3900 annapolis lane north / plymouth, minnesota 55447-5447 / phone: 763-577-9700 fax: 763-577-0323 model reference 210 monoblock power amplifier owner’s manual.
Model reference 210 p o w e r vacuum tube power amplifier reference 210 high definition ® d i s p l a y ● v 2 v 1 infrared eye for remote control bias adjustment pot “on” indicator bias adjustment pot warning to prevent fire and shock hazard, do not expose this device to rain or moisture. Unit must ...
Model reference 210 ref 210 remote comtrol display function read bias v1-6 power scale intensity hours u p u p down down down u p adjusts level of display illumination. Seven levels including off. Displays bias level in ma of each output tube. (see bias adjustment instructions in owners manual.) dis...
Model reference 210 1.
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 210 vacuum tube monoblock power amplifier. Becoming familiar with important facts about your amplifier and its correct operating...
Electronics technician. 3. Use only the plastic insulated screwdriver included with this unit when making front panel bias adjustments. 4. The power cord on this unit is safety-tested and is equipped with a proper grounding plug. If used normally, it will provide a safe earth ground connection of th...
Display of a.C. Line voltage entering the amplifier, shown in large numerals. Amplifier is muted when checking line voltage. Connections input connector: the reference 210 uses a fully bal- anced circuit topology and thus has one balanced xlr in- put connector on the rear panel. It therefore require...
Remote turn-on connections the reference 210 has a built-in 12vdc remote turn-on/off circuit for operation by a master control system in a home theater or large audio system. Use a 3.5mm (.140") diameter mono mini plug to connect to the +12v in jack on the rear of the reference 210. Two identical pa...
Caution: the reference 210 amplifier contains sufficient levels of voltage and current to be l e t h a l. Do not tamper with a component or part inside the unit. Even with the power turned off, a charge remains in the energy storage capacitors for some time. Refer any needed service to your authoriz...
Specifications power output: 210 watts per channel continuous from 20hz to 20khz. 1 khz total harmonic distortion typically 0.5% at 210 watts, below .02% at 1 watt. Approximate actual power available at “clipping” 240 watts (1khz). (note that actual power output is dependent upon both line voltage a...
