User manual ROLLS HA43

HA43 HEADPHONE AMPLIFIER pwr 10 8 6 4 2 0 MADE IN U.S.A. 10 8 6 4 2 STEREO INPUT 0 LIMITED WARRANTY This product is warranted to the original consumer purchaser to be free from defects in materials and workmanship under normal installation, use and service for a period of one (1) year from the date of purchase as shown on the purchaser's receipt. The obligation of Rolls Corporation under this warranty shall be limited to repair or replacement (at our option), during the warranty period of any part which proves defective in material or workmanship under normal installation, use and service, provided the product is returned to Rolls Corporation, TRANSPORTATION CHARGES PREPAID. Products returned to us or to an authorized Service Center must be accompanied by a copy of the purchase receipt. In the absence of such purchase receipt, the warranty period shall be one (1) year from the date of manufacture. This warranty shall be invalid if the product is damaged as a result of defacement, misuse, abuse, neglect, accident, destruction or alteration of the serial number, improper electrical voltages or currents, repair, alteration or maintenance by any person or party other than our own service facility or an authorized Service Center, or any use violative of instructions furnished by us. This one-year warranty is in lieu of all expressed warranties, obligations or liabilities. ANY IMPLIED WARRANTIES, OBLIGATIONS, OR LIABILITIES, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, SHALL BE LIMITED IN DURATION TO THE ONE YEAR DURATION OF THIS WRITTEN LIMITED WARRANTY. Some states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you. IN NO EVENT SHALL WE BE LIABLE FOR ANY SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR BREACH OF THIS OR ANY OTHER WARRANTY, EXPRESSED OR IMPLIED, WHATSOEVER. Some states do not allow the exclusion or limitation of special, incidental or consequential damages so the above limitation or exclusion may not apply to you. This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. HA43 Headphone Amplifier · Single input, four output headphone amplifier · Slider volume controls · AC adapter included · Full frequency response · Lots of output level, it's loud. The HA43 is for expanding or generating headphone channels. It has a 1/4" stereo input, four volume controls, four 1/4" stereo output jacks, and is powered by the included AC adapter. The unit has 20Hz to 20kHz frequency response and is small and easy to use. 1 2 Rolls Corporation Salt Lake City, UT 4/04 Owners Manual 4-CHANNEL STEREO HEADPHONE AMPLIFIER 10 8 6 4 2 0 0 HA43 10 8 6 4 2 3 4 INTRODUCTION Thank you for your purchase of the HA43 Headphone Amplifier. The HA43 will power four pairs of stereo headphones for high quality audio monitoring. The unit is intended for sound reinforcement, studio, choir, and other applications where a smaller size is desirable. DESCRIPTION STEREO INPUT: Stereo 1/4" TRS jack for connection to a stereo linelevel source. This jack may also be connected to a stereo headphone output. DC PWR: For connection to the power supply. PWR LED: Indicates that the HA43 has power connected. VOL1 - 4: Controls the level of the indicated channel output. OUT1 - 4: 1/4" stereo TRS jack for connection to stereo headphones. CAUTION: Plugging a mono 1/4" plug into the Headphone Outputs may cause permanent damage to the unit. Use ONLY TRS stereo plugs in these jacks. SPECIFICATIONS Input Impedance: Max Input Level: Input Connectors: Outputs: Output Impedance: Max Gain: S/N Ratio: THD: IMD (SMPTE) Power: Weight: Size: 100K unbalanced +14 dBV Stereo 1/4" TRS phone (4) 1/4" Stereo 1/4" TRS phone 51 each output 20 dB/Channel >90 dB <.008% <.008% 12 VDC adapter 1 lbs (.45Kg) 3" x 4" x 1.25" (8 x 10 x 3.2 cm) STEREO INPUT pwr MADE IN U.S.A. HA43 4-CHANNEL STEREO HEADPHONE AMPLIFIER 10 8 6 4 2 0 10 8 6 4 2 0 10 8 6 4 2 0 10 8 6 4 2 0 1 2 3 4