User manual TAG MCLAREN AUDIO 60IRV

record selector knob input selector knob mode selector knob power LED volume knob headphone socket power button RECORD INPUT MODE VOLUME tuner cd aux tape 1 tape 2 tape 3 tape 1 tape 2 tape 3 aux tuner cd pre mute integrated pre - power pre - power av integrated amplifier 60iRv contents 0 2 welcome 0 8 key features 1 0 getting started 1 4 selecting an input 1 6 operating modes 2 1 volume control 2 2 muting 2 3 headphones 2 4 grounding 2 5 connecting loudspeakers 3 3 running in and warming up 3 4 care and maintenance 3 6 technical data 4 0 international standards 1 right channel 2 2 left channel 1 mute LED remote control window fuse carrier loudspeaker terminals (right) loudspeaker terminals (left) power amplifier input sockets tape in/out sockets input sockets 220-240V ~ 50-60Hz Fuse: T2.5A L 250V OUTPUT OUTPUT in 1 out 2 out 3 in out TA P E 2 in out 1 in aux SOURCE tuner cd left POWER AMP right PRE AMP left left left right right right made in United Kingdom serial number 60R 1234567 integrated amplifier 60iRv ground ac supply socket preamplifier output sockets ground terminal Specification shown may var y for different countries welcome to a new partnership . . i n h i - p e r fo r m a n c e , h i - f i d e l i t y All TAG companies perpetually strive for, and achieve, excellence and highperformance in every area of their business. These qualities are demonstrated in the fastidious standards that make TAG Heuer Derek Scotland (on the left) ­ Technical Director Peter Stevens ­ Chief Industrial Designer Dr. Zucker ­ Chief Executive TAG McLaren Audio has been created with celebrating a TAG McLaren victor y one aim in mind: to produce the best highfidelity audio and audio-visual systems available. Now the first fruits of that Now, this blend of talent and expertise has been combined with the award-winning experience of Audiolab to create a company with a technical advantage and access to resources second-to-none in the high end audio industry TAG McLaren Audio. Throughout the F3 Series development process, quality, performance and reliability have been paramount, resulting in unparalleled performance, operational excellence and sheer listening pleasure. alliance are ready ­ a unique new range of audio products. watches some of the world's most admired; in the teamwork that makes TAG McLaren's motor racing team one of the most successful in Formula One; and in the advanced electronics technology that makes TAG Electronic Systems the first choice for many Formula One constructors and high-performance car makers. 03 welcome welcome versatile input and recording selection Thank you for purchasing the TAG McLaren Audio integrated amplifier 60iRv. The 60iRv has six selectable inputs and three outputs for recording. For added convenience you can select inputs, adjust the volume or mute the output by remote control. A separate signal path is provided for recording, with its own independent input selector, so you can record one piece of music while listening to another. low intermodulation distortion the quality of music reproduction through an effect that audio engineers call `intermodulation distortion'.This type of distortion moves imperfections that originate outside the hearing range back into the audible frequencies.To minimise this effect,TAG McLaren Audio amplifiers have a frequency response which extends both above and below the range of normal human hearing. exceptional low-frequency response integrated amplifier 60iRv We are convinced it will give you many hours of listening pleasure. The 60iRv is a versatile, remote controlled, integrated amplifier which acts as the command centre for your entire audio system. It can easily be configured to work as a high-performance preamplifier, power amplifier or integrated amplifier, thus allowing you to upgrade your system in the future without losing the investment you have placed in it today. 04 The theoretically-ideal amplifier reproduces sound perfectly over an infinite range of frequencies ­ starting from well below the audible range and extending far above the capabilities of human hearing. Although sound outside the human hearing range of approximately 20 to 20,000 Hz cannot be heard, it can significantly distort The 60iRv uses two different technologies to achieve fidelity at low frequencies. The preamplifier section uses capacitors to block the unacceptable Direct Current (DC) while allowing the desirable sound signals to pass through unimpeded. TAG McLaren Audio has expended many years of design effort on the special 05 welcome welcome circuitry which, without compromising sound quality, accommodates the highquality, low-distortion capacitors that must be used. straight line technology The circuit has been painstakingly designed to avoid any possibility of signals picking up interference and to minimise the effects of intermodulation. sophisticated muting large power supply (which accounts for the high weight of the 60iRv) and highlyspecified output circuitry.The output terminals are duplicated for your convenience in case you wish to bi-wire your loudspeakers. future-proof The 60iRv combines the convenience of an integrated amplifier with the versatility to easily upgrade to separates at a later stage. In the power amplifier section, a feedback circuit eliminates DC offset voltage and allows the signal path to be direct coupled without any capacitors.This arrangement, which we at TAG McLaren Audio call `Straight Line Technology', is easy to describe but not easy to realise.The design has taken our expert engineers years to perfect. supersonic high-frequency response The 60iRv has a sophisticated muting system, which stops you hearing loud, annoying switching noises and protects the amplifier and loudspeakers. substantial power In order to reproduce high frequencies, the 60iRv is constructed using highlyrated, high-precision components. 06 The 60iRv's power rating of 60 watts is very conservative, as the 60iRv can typically provide 72 watts into 8 , 115 watts into 4 , and 150 watts into 2 for a short period. Performance of this calibre is essential to drive even the least sensitive loudspeakers without distortion, and has been achieved through the use of a very The 60iRv is future-proof. It is the perfect amplifier if you want to upgrade your audio system at a later stage.The 60iRv circuitry can easily be split into its separate preamplifier and power amplifier sections, allowing you to use higher-grade component units, such as our preamplifier PA20R or our stereo amplifier 100P. Even bi-amping, using an amplifier such as our 60P or 100P, becomes a straightforward upgrade. 07 key features key features · `Straight Line Technology' feedback paths with direct coupled signal and · · Three stereo outputs for recording Headphone output for a wide range of impedances with automatic muting when headphones are plugged in Volume control and input selector can be operated manually or by remote control Remote control also operates selected TAG McLaren Audio F3 Series CD players Sorbothane® sonic isolation feet, specially designed by TAG McLaren Audio(1) · Versatile integrated amplifier, with relay-switched, independent preamplifier and power amplifier sections, giving a future-proof upgrade path to higher-grade separates High-quality audio components Rated 60 W, typically 72 W into 8 continuous (rated 95 W, typ. 115 W into 4 and rated 130 W, typ. 150 W into 2 for short periods) Mains supply interrupt monitor Class A preamplifier stage Direct input to power amplifier section Six line level inputs for: CD, tuner, auxiliary, and three tape recorders Independent input selection for listening and tape recording Four pairs of loudspeaker terminals (for bi-wiring or multi-room) Two low-impedance stereo outputs from preamplifier to allow long cable runs · · · · · · · · · · · · 08 1. For the very best performance we recommend that our units are placed on individual shelves and are not stacked one on top of another 09 getting started getting started We know you are keen to get your 60iRv working. This section will have you listening to your favourite music as quickly as possible. If you fold out the front cover of this booklet you will locate diagrams which will help you find your way around your 60iRv(1). loudspeaker connection Use high-quality loudspeaker cable terminated in BFA plugs(3) to connect the red(4) terminal of your right loudspeaker to one of the red terminals marked OUTPUT right channel on the back of the 60iRv(5). Then connect the black terminal of your right loudspeaker to one of the black terminals marked OUTPUT right channel on the back of the 60iRv. Connect the left loudspeaker to a pair of left channel terminals in the same way. right speaker left speaker in out OUTPUT 1 right channel 2 before you start Make sure that all the components of your audio system are disconnected from the AC supply whenever you change any connections. loudspeaker terminals On the back of your 60iRv you will find four pairs of loudspeaker terminals, each pair consisting of one red and one black. The terminals on the back of the 60iRv use BFA(2) sockets. The BFA plug pushes into the middle of the terminal. 1. 2. The diagram shows a standard loudspeaker arrangement (6) Throughout this instruction manual (except in titles), bold print indicates the lettering that you will find on the panels of your 60iRv In models for countries where the AC supply is115 V, the terminals accept 4 mm `banana' plugs instead of BFA plugs. 4 mm plugs are not permitted in Europe. Please see page 25 for more details of the terminals If you prefer to use a cable which does not have BFA plugs, please see page 26 If your loudspeaker terminals are not colour coded ­ red corresponds to positive (+) or signal and black corresponds to negative (-) Each pair of terminals is marked 1 and 2. You can use either 1 or 2; they are connected together internally The diagram is for illustrative purposes only; it is not to scale and does not show all connections. Please see page 25 for more details on connecting loudspeakers 3. 4. 5. 6. 10 11 getting started getting started sound source connection You will need a source of audio signals (such as our CD player CD20R or our tuner T20) to feed into your 60iRv. Use a goodquality, screened phono-phono audio cable to connect the phono output sockets of your sound source to the appropriate pair of left and right sockets marked SOURCE aux, tuner, cd or TAPE in 1, in 2 or in 3 on the back of your 60iRv(1). setting controls Turn the VOLUME right down (all the way anticlockwise). Set the INPUT selector to the input to which you connected your sound source. Set the MODE selector to the integrated position(3). VOLUME INPUT tuner power connection Check that the power button is out so that power is off when you plug in(2). Using the cable supplied, connect the socket on the back of your 60iRv to an AC supply outlet. For the best sound quality, we recommend that you do not use multi-plug adaptors. switch on Press the power button in. The blue power LED will come on. Wait for about 20 seconds until the mute LED on the front panel goes out(4). Start playing your sound source. aux tape 1 tape 2 tape 3 cd MODE mute pre integrated pre - power pre - power av Turn up the VOLUME, sit back and enjoy the music. 1. 2. 3. 4. The inputs for cd, tuner, aux, TAPE 1, TAPE 2 and TAPE 3 are all the same electrically. They are named for your convenience The power button is a latching switch. One press will hold it in, the next will release it The operating modes are explained on page 16 The output is muted when the power is switched on to allow all the voltages to stabilize. This protects your 60iRv and your loudspeakers and prevents unpleasant switching noises from upsetting your listening experience 12 13 selecting an input selecting an input Your 60iRv has six line level inputs which can be selected by name(1). The input for listening can be selected independently from the input for recording so you can listen to one source and record another at the same time. inputs for recording The signal from the input that you select for recording will be sent to the record output sockets marked TAPE out 1, out 2 and out 3(4). To select your source for recording, turn the RECORD selector until the mark on its side points to the name of the input that you want to record(5). out 3 in out TA P E 2 in out 1 in left E MP right RECORD tuner cd aux tape 1 tape 2 tape 3 inputs for listening The signal from your chosen input source will be amplified and sent to the loudspeaker terminals, the headphone socket and the preamplifier output. To select your source, turn the INPUT selector until the mark on its side points to the name of the input that you want to listen to. INPUT tuner aux tape 1 tape 2 tape 3 cd The record output is not affected by the muting or volume controls. using the remote control You can also select an input for listening by pressing the button on the remote control marked with the name of the input(3). The remote control can also be used with selected TAG McLaren Audio F3 Series CD players. For details, please see the separate remote control instructions. 1. 2. 3. The inputs for cd, tuner, aux, TAPE 1, TAPE 2 and TAPE 3 are all the same electrically. They are named for your convenience In some operating modes the preamplifier output is isolated (see page 16) When you use the remote control, the INPUT knob on the front panel will turn automatically to point to the input selected. Make sure that nothing interferes with the free movement of the knob when you use the remote control The TAPE out 1, out 2 and out 3 sockets are connected together internally and are identical electrically A loop is created if a tape recorder output and input are both connected to your 60iRv and the same tape recorder is selected as the record input. This may cause feedback if your recorder is set to record. To avoid this possibility we recommend that you select the input for recording before you set your recorder to record. 4. 5. 14 15 operating modes operating modes The highly-flexible 60iRv will take you into the world of highperformance audio separates. To provide full versatility, the 60iRv consists of a high-fidelity preamplifier and a high-performance power amplifier inside the same unit. The MODE selector controls relays which connect the preamplifier to the power amplifier and to the outside world in different configurations, without affecting the sound quality. The function of each mode is explained on the following pages. integrated amplifier mode Turn the MODE selector to integrated if you want to use the preamplifier in conjunction with the power amplifier in your 60iRv as one integrated unit. In this mode, the output of the preamplifier is connected internally to the input of the power amplifier. The preamplifier output sockets and the power amplifier input sockets are both isolated and cannot be used. The signal from your chosen sound source will be amplified and sent to the loudspeaker terminals. MODE mute pre integrated pre - power pre - power av selecting the mode To select the operating mode, turn the MODE selector until the mark on its side points to the name of the operating mode that you require(1). You can also use the MODE selector to mute the 60iRv (see page 22). MODE mute pre integrated pre - power pre - power av source in This diagram shows the connections inside the 60iRv when it is set to integrated mode (2) preamp power amp 1. 2. As you change modes you will hear a clicking sound as the relays change their settings In this diagram, and those that follow, this symbol means that the relay switch is open and the signals are blocked, while this symbol means that the switch is closed and the signal is connected. The black lines show which signal route is active 16 17 operating modes operating modes pre mode Turn the MODE selector to pre if you want to use your 60iRv as a stand-alone preamplifier without the power amplifier. You may want to do this if, for example, you have another, higher-quality, power amplifier (such as our 100P). In this mode, the power amplifier section of the 60iRv is fully isolated and switched off. To listen to your sound sources, you need to connect the preamplifier output of the 60iRv to one or more external power amplifiers. MODE mute pre integrated pre - power pre - power av pre-power av mode Turn the MODE selector to pre-power av(1) if you want to use the preamplifier and power amplifier sections of your 60iRv separately. The internal connection between the preamplifier and the power amplifier is opened. This mode is useful for connecting external sound processors, such as surround sound decoders or loudspeaker equalizers, between the preamplifier and the power amplifier. MODE mute pre integrated pre - power pre - power av source in source in (connect to external power amplifier) sound processor preamp out preamp power amp in power amp This diagram shows the connections inside the 60iRv when it is set to pre-power av mode, an optional sound processor is shown for illustration pre-amp out This diagram shows the connections inside the 60iRv when it is set to preamplifier mode preamp power amp 1. av stands for audio visual 18 19 operating modes volume control pre-power mode Turn the MODE selector to pre-power if you want to use the power amplifier in your 60iRv in conjunction with an external amplifier (such as our 60P or 100P), as part of a multiple amplifier arrangement (e.g. for loudspeakers in another room or for bi-amping as described on page 29). In this mode, as in the integrated mode, the output of the preamplifier is internally connected to the input of the power amplifier. However, the preamplifier output sockets are also active and can be used to send signals to another amplifier. The power amplifier input sockets are isolated and cannot be used. MODE mute pre integrated pre - power pre - power av The VOLUME knob alters the signal level of the loudspeaker terminals, the headphone socket and the preamplifier output(1). It does not affect the output from the record sockets (TAPE out 1, out 2 and out 3). volume Turn the VOLUME knob clockwise to increase volume and anticlockwise to decrease volume. When supplied with an input with a peak level of 2 V rms (the typical output from a CD player), your 60iRv gives its full rated output with the VOLUME knob in the middle of its travel. Turning the knob past this point may distort the sound and could damage your loudspeakers. Alternatively you can use the volume + button on the remote control to increase volume and the volume ­ to decrease it(2). VOLUME source in (connect to external power amplifier) pre-amp out This diagram shows the connections inside the 60iRv when it is set to pre-power mode preamp power amp 1. 2. In some operating modes, the preamplifier output is isolated (see page 16) When you use the remote control, the VOLUME knob on the front panel will turn automatically. Make sure that nothing interferes with the free movement of the knob when you use the remote control 20 21 muting headphones The mute controls switch off the signal from the loudspeaker terminals, the headphone socket and the preamplifier output. They do not affect the output from the record sockets. There are two ways of manually muting the output: you can use the MODE selector on the front panel or you can press the mute button on the remote control. An LED on the front panel indicates that the 60iRv is muted. MODE headphone connection Turn the VOLUME down before you connect your headphones. Insert the headphone plug into the 1/ (6.3 mm) stereo jack 4" socket on the front panel of your 60iRv(1). loudspeaker muting mute pre integrated pre - power pre - power av When you plug in your headphones, the loudspeaker and preamplifier outputs are automatically muted(2). muting using the mode knob Turn the MODE selector until the mark on its side points to mute to switch off the output as described above. muting using the remote control Press the mute button on the remote control to switch the output on and off(1). The output will also switch back on if you turn the VOLUME knob. automatic muting The 60iRv also mutes briefly whenever you change an INPUT or a MODE until all voltages have stabilized. 1. 1. If the 60iRv has been muted using the MODE selector then the mute button on the remote control has no effect If you want to use headphones which have the smaller 1/8" (3.2 mm) jack plug, you should obtain an adaptor from your retailer. Remove the adaptor from the socket when you are not using the headphones or the output will remain muted Plugging in headphones also isolates the power amplifier input 2. 22 23 grounding connecting loudspeakers The AC mains supply normally operates at either 50 or 60 Hz (depending on which country you are in). Under some circumstances, this can cause an audible hum in your loudspeakers. Should you have any problems with hum in your system, please contact your retailer. The connection between your 60iRv and your loudspeakers is crucial to the sound quality of your entire audio system. Please follow these recommendations to achieve the best results. Your 60iRv is specified to operate with 8 loudspeakers, but it can be used with 4 loudspeakers. The 60iRv may also be connected to loudspeakers which have a transient impedance of less than 4 (1). Always switch off your 60iRv before changing any connections. Always use high-quality loudspeaker cable. avoiding hum To minimise the possibility of mains hum in your system: do not link the ground terminals of separate audio units together. use screened cable for your signal connections and keep the left and right channel cables close together. loudspeaker terminals grounding your system All the units in the TAG McLaren Audio F3 Series are double insulated and do not require safety ground connections. Although a ground terminal is provided on the 60iRv, for your convenience your system does not need to be connected to ground (audio engineers call this `floating`). However, if you want to ground your system, please contact your retailer who will be able to assist you. On the back of your 60iRv, you will find four pairs of loudspeaker terminals, each pair consisting of one red and one black terminal. Two pairs are provided for each stereo channel (i.e. right and left) to allow you to `bi-wire' the loudspeakers as explained on page 28. OUTPUT 1 right channel 2 1. These ratings are for music signals only. If the 60iRv is amplifying a continuous sine wave, an 8 load must be used 24 25 connecting loudspeakers connecting loudspeakers connection methods We recommend that you use loudspeaker cables terminated in BFA plugs or spade terminals. These plugs are designed to fit the terminals on the back of the 60iRv(1). The BFA plug and socket ensures that you cannot touch the high-voltage output conductors. Screw the knob of the terminal all the way in and push the plug into the centre of the knob. If you do not have BFA plugs, you can use `spade' connectors. Unscrew the terminal enough to push the spade into the slot in the side of the terminal, then tighten the terminal by hand. You should not use tools to tighten the terminal; over-tightening will reduce the sound quality. If you choose to use bare wire, there is a hole in the side of the terminal to accommodate it. Make sure that there are no strands of wire sticking out of the terminal. standard connection The simplest way to connect your loudspeakers is to run a single cable (consisting of two wires) to each one. For each stereo channel connect the red terminal on the loudspeaker to the red terminal on the 60iRv labelled OUTPUT 1 (1). Repeat for the black terminals(2). If your loudspeaker has separate connections for high and low frequencies, make sure these are linked together. right speaker hf in lf out lf left speaker hf This diagram shows a 60iRv connected to loudspeakers with a single input (3) 1. 2. The pairs of terminals are marked 1 and 2. You can use either 1 or 2 as they are connected together internally Connecting black to black and red to red ensures that the`phasing' is correct. If this is wrong it can affect the sound. If your loudspeaker terminals are not colourcoded, black corresponds to negative (-) and red corresponds to positive (+) or signal. Please refer to your loudspeaker manual for details This diagram, and those that follow, are for illustrative purposes only; they are not to scale and do not show all connections 1. The BFA connector complies with current EU safety standards, which do not allow the use of 4mm `banana' plugs. 4mm terminals are permitted (and are fitted to the 60iRv) in countries where the AC supply is 115 volts 3. 26 27 connecting loudspeakers connecting loudspeakers bi-wiring With many high-quality loudspeakers, you can make separate connections to the high- and low-frequency drivers(1). In such cases, you may want to run separate cables for the high and low frequencies as shown in the diagram. To do this, you will need to remove the links, provided as part of the loudspeaker, which connect the drivers. Please refer to your loudspeaker instructions to find out how to do this. Bi-wiring provides separate paths for high- and low-frequency signals, improving the sound quality in many cases. right speaker hf in out left speaker bi-amping To improve the sound further, you can use separate amplifiers for high and low frequencies. This will allow you to increase the volume without distorting the sound. As each amplifier is operating in a smaller bandwidth, intermodulation distortion may also be reduced. Set your 60iRv to pre-power and connect PREAMP out on the 60iRv to the input of a second power amplifier (such as our 100P). Connect the 60iRv to the high-frequency drivers and the 100P to the low-frequency drivers(1). This diagram shows a hf in right speaker hf out left speaker hf 60iRv bi-wired to loudspeakers This diagram shows a 60iRv connected to a TAG McLaren Audio 100P stereo power amplifier for bi-amping lf lf lf lf in out 1. The `driver' is the mechanism inside the case of the loudspeaker which actually makes the sound. Most high-quality loudspeakers have drivers for high, low and often middle frequencies and the capability to connect them separately. However, the lack of this facility is not necessarily a sign of low quality (as some of the finest loudspeakers in the world have proved) 1. This simple connection method works with any combination of TAG McLaren Audio F3 Series amplifiers because they have matched gains. If you want to connect a different manufacturer's amplifier, you may need to use an active crossover or a gain-setting facility. Please contact your retailer for advice if you wish to do this 28 29 connecting loudspeakers connecting loudspeakers bi-amping alternative arrangement If your second amplifier is matched to your 60iRv (as is the case with our 60P), you can connect it as shown here. Set your 60iRv to pre-power av. On the 60iRv connect PREAMP out 1 right to POWER AMP in right and also connect PREAMP out 2 right to POWER AMP in left. Next, connect PREAMP out 1 left on the 60iRv to INPUT left on the 60P. Finally, connect OUTPUT left to OUTPUT right on the 60P. On each amplifier connect one of the stereo outputs to the high-frequency driver and the other to the low-frequency driver. right speaker hf left speaker using monoblocs You may prefer to use two monoblocs(1) (such as our 125M), in conjunction with your 60iRv. This arrangement has the added advantage of allowing you to place each amplifier close to the loudspeaker it is feeding, thus enabling you to connect them together with short cables. Set your 60iRv to pre. Connect PREAMP out left on the 60iRv to INPUT on one of the monoblocs and PREAMP out right to INPUT on the other monobloc. Connect each monobloc to a loudspeaker(2). This diagram shows a 60iRv connected to two in out This diagram shows a hf right speaker hf left speaker hf TAG McLaren Audio 125M monobloc mono power amplifiers 60iRv connected to a TAG McLaren Audio 60P stereo power amplifier for bi-amping lf lf lf lf in out in out in out in out 1. 2. A `monobloc' is a single-channel or mono power amplifier For the best sound quality, we recommend that you place each monobloc near the loudspeaker it is feeding and use short loudspeaker leads. Use high-quality phono leads to connect the amplifiers 30 31 connecting loudspeakers running in and warming up tri-wiring Some high-quality loudspeakers have separate drivers for the middle frequency range as well as high and low. In such cases, it may be possible (for details refer to your loudspeaker instructions) to run separate cables for each frequency range to tri-wire the loudspeakers. If you wish to do this, you will need to connect two wires to one terminal. We recommend that you use stackable BFA plugs for this purpose. These are available from your retailer. TAG McLaren Audio equipment is designed to give optimum performance for many years. running in Just like a high-quality car, the performance of your 60iRv will improve during the first few hours of operation. The electronic components will then have reached and settled down to nearperfect specification. warming up other multiple amplifier arrangements The arrangements described above, and on previous pages, are only suggestions and do not cover all the connection possibilities for amplifiers and loudspeakers. If you want to expand your audio system, please contact your retailer who will be happy to discuss your specific requirements. Every time you switch on your 60iRv, the performance will improve until the components reach their optimum operating temperature. 32 33 care and maintenance care and maintenance fuses There is a fuse in the power socket on the back of your 60iRv. To change the fuse, unplug the power cable and pull out the fuse carrier drawer(1). The fuse carrier contains a spare fuse; this is the first one that you see when you open the carrier. There are no other user-serviceable parts inside the 60iRv. service The only service you should do to your 60iRv is described on the left. All other servicing should only be carried out by one of our authorised service agents. If service is required, please contact your authorised TAG McLaren Audio retailer. If your 60iRv is still under guarantee, please refer to the guarantee card which gives you details on how to claim against the guarantee. Please keep the original packaging and use it whenever your 60iRv is transported. cleaning In order to maintain the appearance of your 60iRv, you can clean it as follows: before cleaning, always disconnect your 60iRv from the AC supply. any grease or dirt on the case may be removed with a soft, lint-free cloth moistened slightly with a mild solution of warm water and detergent or washing-up liquid. Do not use any other solutions. Do not use any solvents or abrasives. take great care not to get any liquid inside the case. If this happens, you should have your 60iRv serviced. 1. You cannot open the fuse carrier drawer while the plug is in the socket 34 35 technical data technical data This section is for those of you who really want to know the `insides` of your 60iRv. You will not miss out on any of the functions or performance of your 60iRv if you choose not to read any further. preamplifier output impedance 100 nominal rated output power (both channels driven) 60 W per channel into rated load impedance (8 ) 95 W into 4 and 130 W into 2 for short periods preamplifier maximum output greater than 7.76 V rms record output impedance typical output power (both channels driven) 1 k nominal 72 W per channel into rated load impedance (8 ) 115 W into 4 and 150 W into 2 for short periods record output gain 0 dB (i.e. the record output level is the same as the input level) preamplifier input impedance 20 k nominal power amplifier input impedance 47 k nominal preamplifier input level 175 mV rms (relative to 0.5 V rms preamplifier output) power amplifier input level 782 mV rms (for full rated output) preamplifier gain 9 dB at 1 kHz power amplifier gain 29.0 dB at 1 kHz preamplifier signal to noise 36 greater than 80 dB (relative to 0.5 V rms preamplifier output) 37 technical data technical data power amplifier signal to noise greater than 80 dB (relative to 0 dBW) operating temperature range 10 ­ 35 °C frequency response (-3 dB) 1 Hz ­ 65 kHz ac supply frequency 50 ­ 60 Hz frequency response (20 Hz ­ 20 kHz) ± 0.5 dB ac supply voltage 110 ­ 120 V or 220 ­ 240 V The voltage is marked on the rear of the unit total harmonic distortion + noise less than 0.07% power consumption less than 300 W channel separation greater than 60 dB at 1 kHz dimensions (including feet, terminals and controls)