IMPORTANT SAFETY INSTRUCTIONS! 1) 2) 3) 4) 5) Read these instructions. Follow all instructions. Keep these instructions. Heed all warnings. DO NOT turn on the ST-60A without the loudspeaker connected. Do not use the ST-60A near water. Be extra cautious when moving the ST-60A during rain or while transporting it over wet surfaces as water might splash onto the amplifier. Clean only with dry cloth. Do not block any ventilation openings and operate in accordance with manufacturer's instructions. Do not install near heat sources such as radiators, stoves or other devices that may produce heat. Do not defeat the safety purpose of the polarization or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding-type plug has two blades and a third grounding prong. The wide blade or the third prong is provided for your safety. If the provided plug does not fit your outlet, consult an electrician for replacement of the obsolete outlet. Protect the power cord from being walked on or pinched, particularly at the plug and the point where it exits the ST-60A amplifier. Only use attachments / accessories specified by B-52 Professional. Unplug the ST-60A during lightning storms and when not in use. Refer all servicing to qualified personnel. Servicing is required when the ST-60A has been damaged in any way such as when power-cord or plug is damaged, liquid has been spilled into the amplifier, the unit has been exposed to moisture or rain, does not operate normally, or has been dropped. To reduce the risk of fire or electric shock, do not expose the ST-60A to rain or moisture. Moisture can damage the ST-60A and can cause corrosion of electrical contacts. Keep the unit out of extended or intense direct sun light. No containers filled with any type of liquid should be placed on or near the ST-60A. Never remove the front or rear panels of the ST-60A while it is connected to an electrical outlet. Important Safety Instructions / Features .........2 Product Information ...........................................3 ST-60A Controls..................................................4-5 Set-up & Warranty Information .........................5-7 Contact Information ...........................................8 INSIDE THIS INSTRUCTION MANUAL 6) 6) 7) 8) 9) This B-52 Stealth Series ST-60A has a 100% pure, all-tube signal path, incredible tone and a wide array of guitarist friendly features. It combines Russian Sovtek 6L6 power tubes with 12AX7 preamp tubes for solid tube tone and classic breakup. This roadworthy head provides serious musicians with monstrous gain, extreme levels of distortion and a sparkling clean channel. Selectable solid-state or tube rectification through a Sovtek 5AR4 ensures complete tonal authenticity. q q ST-60A FEATURES q q q 10) 11) q q q q q q q 12) 13) q q 14) 15) 16) 17) 1/4" input jacks Overdrive channel with gain 1, gain 2 with contour, 3-band EQ and level control Clean channel with level control and 3-band EQ Master volume and reverb Rugged foot switch for channel select, reverb on/off and gain select Push switch for channel and gain select Headphones line out Line level send and return with level controls Line out with level control Selectable external speaker jacks Ground lift switch Rectifier select switch for: Tube A, Tube AB1 and Solid-State Dimensions: 27" x 11" x 11" (W x H x D) Weight: 51 lbs. Power Tubes: Preamp Tubes: Reverb Tube: Rectifier Tube: SOVTEK TUBE CHART 4 5 1 1 x x x x 6L6 12AX7 12AT7 5AR4 2 RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION HEED ALL WARNINGS! WARNING: To reduce the risk or fire or electrical shock do not expose this equipment to rain or moisture. Thank you for choosing the B-52 Stealth Series ST-60A amplifier. This guitar amplifier is perfect for guitarists of every level. Whether you are playing to a stadium crowd of 50,000 or practicing at home in your garage, the ST-60A will produce awesome crunch, smooth mids and crystal-clean highs. It is also capable of producing massive amounts of distortion, perfect for any style from blues to metal. This instruction manual explains all that the ST-60A has to offer, how to operate and control each feature so you can achieve the sound you desire. B-52 HIGHLY recommends that you read this manual carefully and, please, heed all warnings. ST-60A 60-WATT ALL-TUBE LEAD GUITAR AMPLIFIER! B-52 Stealth Series Speaker Cabinets ST-412V - 280-Watt RMS Cabinet - Slant ST-412S - 280-Watt RMS Cabinet - Straight ST-212S - 140-Watt RMS Cabinet - Straight The B-52 ST ST-412V and ST-412S are a perfect complement to the ST-60A all-tube amplifier. They offer awesome tone and incredible projection. With four Celestion Vintage 30 speakers, these cabinets provide tight bass, fat mids, and smooth harmonically rich highs. The ST-212S provides similar tonal qualities in a 2x12" cabinet. FEATURES: q 4 x 70 Watt Celestion Vintage 30 speakers q Black Grille Cloth/white piping q Metal handles and rubber feet q Detachable casters q Distinctive black vinyl finish. (Matches ST-series amplifiers) ST-212S (Recommended for use with ST-60A) ST-412V ST-412S HEARING DAMAGE, PROLONGED EXPOSURE TO EXCESSIVE SPL B-52 Stealth Series amplifiers and speakers, including the ST-60A, are capable of producing sound pressure levels (SPL) sufficient to cause permanent hearing damage to performers, production crews or people in the audience. Hearing protection devices such ear-plugs are recommended. Caution should be taken to avoid extended SPL is excess of 90 dBA. AMPLIFIER MODULE PRECAUTIONS Do not attempt to service the ST-60A by yourself. Refer all servicing to a B-52 Stealth Series Authorized dealer. Service is required when the ST-60A has had liquid spilled on or inside the unit, has been damaged in any way, has been exposed to rain or moisture, does not operate normally or has been dropped. WARNING - SHOCK HAZARD: To reduce the risk of fire or electrical shock, do not expose this unit to rain or moisture. Do not operate your ST-60A near a pool or other standing water. Make sure all blades on the polarized power plug are fully inserted into the power source. Ensure the power cord is not stretched, pinched or otherwise abused. Ensure the power cord is routed to avoid foot traffic. Your ST-60A amplifier should be cleaned only with a dry cloth. 3 ST-60A - Front Panel Features & Descriptions ON ON MASTER CLEAN POWER STANDBY ST-60A - Rear Panel Features & Descriptions CC S/No.: SEND RETURN EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE RISK OF ELECTRIC SHOCK DO NOT OPEN preset the output levels of both the Clean and Overdrive POWER ON/OFF SWTICH: Turns the ST-60A on and off. Channels. STANDBY ON/OFF SWITCH: Allows the ST-60A to remain 5. REVERB10 turned ON for limited periods of inactivity without the risk of CONTROL: Adjusts the amount of reverb produced0by 10 0 10 0 10 0 10 10 0 0 PHONES the amplifier. To increase the amount of reverb BASS turn clockwise. damaging/over-heating the amplifier tubes. When the Standby POWER STANDBY MIDDLE TREBLE VOLUME REVERB switch is in the STANDBY position the ST-60A is in a non- MASTER CLEAN CHANNEL - TREBLE: Adjusts the amount of high 6. All-Tube Professional Amplifier frequency boost or cut as desired in the clean channel. operational setting. When in Standby the tubes remain hot and ready for use. When the Standby switch is in the Turning the Treble control clockwise will sharpen your sound, alternatively, turning the control counterclockwise softens ON position the ST-60A is operational and should not be left 3 1 2 4 your sound. 6 5 7 8 9 inactive. DO NOT turn on the ST-60A or have the Standby switch set to ON without it connected to a loudspeaker. 7. CLEAN CHANNEL - MIDDLE: Adjusts the amount of mid-range frequencies as desired in the clean channel. Turning the middle 3. INPUT / PHONE JACK: Connects headphones to the ST-60A. 4. MASTER VOLUME: Controls the overall signal level of the control clockwise will increase the amount of punch in your ST-60A. To increase the overall signal and/or volume, rotate sound. Setting the control all the way to the left will make your the control clockwise. The Master volume control allows you to music sound more hollow. 8. CLEAN CHANNEL - BASS: Adjusts the amount of low frequency boost or cut as desired in the clean channel. Adding WARNING: SHOCK HAZARD! bass will increase the warmth of your sound. To reduce the risk of fire or electrical shock, do not expose this unit to rain 9. CLEAN CHANNEL - VOLUME: Controls the overall signal level or moisture. Do not operate your ST-60A near a pool or other standing CAUTION of the clean channel. Adjusting the volume control enables you FOOT SW LINE OUT water. Make sure all blades on the polarized power plug are fully EFFECTS inserted RISK OF ELECTRIC SHOCK to produce sparkling clean sounds to crunchy, dirty blues. Lower DO NOT OPEN into the power source. Ensure the powercord is not stretched, pinched or settings will produce pure clean tones. Turning this control clockCAUTION: TO REDUCE THE RISK OF LEVEL LEVEL otherwise abused. Ensure the power cord is routed to avoid foot traffic. LEVEL FIRE, REPLACE ONLY WITH THE SAME wise will gradually produce moderate distortion. TYPE OF FUSE. Your ST-60A amplifier should be cleaned only with a dry cloth. WARNING: TO REDUCE THE RISK OF 10. CHANNEL SWITCH: Push switch selects between the clean FIRE OR ELECTRICAL SHOCK, DO NOT 1. 2. ON 1 ON 2 All-Tube Professional Amplifier ST-60A PHONES MASTER 0 10 REVERB 0 10 TREBLE 0 10 MIDDLE 0 10 0 BASS 10 VOLUME 0 10 3 4 MASTER 5 6 7 CLEAN 8 9 ST-60A GAIN & CHANNEL REVERB All-Tube Professional Amplif ST-60A CAUTION CAUTION: TO REDUCE THE RISK OF FIRE, REPLACE ONLY WITH THE SAME TYPE OF FUSE. WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRICAL SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE LINE OUT 21 LEVEL 22 23 LEVEL EFFECTS 24 25 LEVEL 26 FOOT SW 28 27 GAIN & CHANNEL REVERB CC S/No.: SEND RETURN All-Tube Professional Amplif ST-60A 21 22 23 24 25 26 27 28 4 21. LINE OUT JACK: Connects the ST-60A to an external linelevel device such as a mixing board. 22. LINE OUT LEVEL CONTROL: Controls the output level of the Line Out Level. 23. EFFECTS - SEND JACK: Connects to the ST-60A to the input off an effects unit. 24. EFFECTS - SEND LEVEL: Controls the sending level output to an effects unit. 25. EFFECTS - RETURN LEVEL: Controls the input level of the returning signal from an effects unit. 26. EFFECTS - RETURN JACK: Connects the ST-60A to the output of an effects unit. 27. FOOTSWITCH - GAIN AND CHANNEL SWITCH: Switch between Gain 1 and Gain 2 in the overdrive Channel. Also switches between clean and overdrive channel. 28. FOOTSWITCH - REVERB INPUT JACK: Connects footswitch to turn Reverb On/Off. 29. SPEAKER SELECT SWITCH: Allows you to select appropriate CH. SW. OVERDRIVE GAIN SW. INPUTS VOLUME 0 10 TREBLE 0 10 MIDDLE 0 10 0 BASS 10 CONTOUR 0 10 GAIN2 0 10 GAIN1 0 10 LOW HIGH CH. SW. ier and overdrive channels. Activated LED lights indicate which indicate which channel is currently use. channel is in use. 18. OVERDRIVE CHANNEL - GAIN 1: Adjusts the amount of 11. OVERDRIVE - VOLUME: Controls0the overall signal level of the0 10 0 10 0 10 distortion in Gain 1. (Activated LED indicates in use). 10 10 10 0 0 10 0 HIGH LOW overdrive channel. TREBLE LOW: 19. INPUT CONNECTOR - GAIN1Connects your guitar to the BASS GAIN2 MIDDLE CONTOUR VOLUME 12. OVERDRIVE CHANNEL - TREBLE: Adjusts the amount of high ST-60A. B-52 recommends that you always use a cable that is frequency boost or cut as desired in the overdrive channel. screened or shielded. Turning this control clockwise adds clarity to your sound. 20. INPUT CONNECTOR - HIGH: Connects your guitar to the ST-60A. B-52 recommends that you always use a cable that 13. OVERDRIVE CHANNEL - MIDDLE: Adjusts the amount of 10 mid-range frequencies as desired in13 overdrive 14 11 16 17 12 15 is screened or shielded. 18 19 20 the channel. [Try both inputs and use the one that sounds best to you. The Similar to the Clean Channel function, the O.D. Channel Middle bottom line is trust your ears!] control adds body and punch to your sound. 14. OVERDRIVE CHANNEL - BASS: Adjusts the amount of low frequency boost or cut as desired in the overdrive channel. Bass AMPLIFIER PRECAUTIONS is B-52's signature. Turning this control clockwise increases depth and low-end punch to your music. Do not attempt to service the ST-60A by 15. OVERDRIVE CHANNEL - CONTOUR: Adjusts the overall tone quality of Gain 2 in the overdrive channel. Low contour settings yourself. Refer all servicing to a B-52 emphasize middle frequencies. A higher setting will notch the Authorized dealer. Service is required when mid-range to produce the deep crunch sounds characteristic in LOUDSPEAKER OUTPUTS the ST-60A has had liquid spilled on it or has most heavy metal type music. 100 WATTS RMS 16. OVERDRI ...