Owner’s Manual Model Reference 610T MONOBLOCK POWER AMPLIFIER 3900 ANNAPOLIS LANE NORTH / PLYMOUTH, MINNESOTA 55447-5447 / PHONE: 763-577-9700 FAX: 763-577-0323
Model Reference 610T DISPLAY ADJUST V1 Bias adjustment pot. ADJUST V2 Bias Adjustment pot. Selects individual tube locations for display of bias level. Infrared eye for remote control. POWER SCALE DISPLAY /FUNCTION Selects power output for display via moving logarhithmic bar graph: 0-10 watts, 0-30, 0-100, 0-300, 0-600. BIAS Selects bias level display, bias level adjust, power output, line voltage. OPERATE ● ● STANDBY STANDBY OFF OPERATE Turns amplifier on to Standby or Operate, and to off.
Model Reference 610T INTENSITY HOURS Adjusts level of display illumination. Seven levels including off. Displays accumulated hours of vacuum tube service life. DOWN UP POWER SCALE Displays bias level in mA of each output tube. (See bias adjustment instructions in owners manual.) DOWN Selects power output via moving logarhithmic bar graph: 0-10 watts, 0-30, 0-100, 0-300, 0-600.
Model Reference 610T INPUT (200K BAL) REFERENCE 610T POW ER AMPLIF I ER PLYMOUTH, MINNESOTA MADE IN U.S.A.
Model Reference 610T Preface Please take time to carefully read and understand the following information and instructions before you install or attempt to operate your Audio Research Reference 610T vacuum tube monoblock power amplifier. Becoming familiar with important facts about your amplifier and its correct operating procedures will help assure maximum musical satisfaction and reliable operation. Packaging Save all packaging accompanying this product.
Model Reference 610T Warnings 1. To prevent fire or shock hazard, do not expose this product to rain or moisture. 2. This unit operates on voltages which can cause serious injury or death. Do not operate with covers removed. Any necessary servicing should be carried out by your authorized Audio Research dealer or other qualified electronics technician. 3. Use only the plastic insulated screwdriver included with this unit when making front panel bias adjustments. 4.
Model Reference 610T In the event of A. C. interruption or low-A. C. line conditions while in “Operate”, the amplifier automatically mutes the output without indication in the display. When sufficient A.C. supply resumes, the amplifier will enter its normal two-minute warm-up cycle. cables, securely fasten the (-) speaker lead to the appropriate (-) terminal, then the (+) lead to the matching (+) terminal. following your speaker manufacturer's impedance specification.
Model Reference 610T 2. Attach supplied power cord to rear IEC inlet of amplifier, and plug other end into grounded A. C. power receptacle. 3. Turn on preamp and all other components; mute preamp output. 4. Turn Reference 610T front-panel control from Off to Operate; a two-minute mute/warm-up cycle will follow. 5. Select display function desired. 6. Unmute preamplifier output, initiate source component signal, and adjust gain as appropriate. Shut-Down: 1. Mute preamplifier output. 2.
Model Reference 610T Specifications POWER OUTPUT: 600 watts continuous at 16 ohms from 20Hz to 20kHz. 1kHz total harmonic distortion typically 0.5% at 600 watts, below .05% at 1 watt. Disposal and Recycling Guidelines To dispose of this electronic product, do not place in landfill.
