Audio research ref 3 owners manual

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Model Reference 3 V ACUUM T UB E PRE AMPL IFIE R R E F E R E N C E 3 HI GH DEFI NI TIO N ® POWER PROC BAL/SE MUTE VOLUME SELECT INPUT D I S P L A Y MODEL REF 3 STEREO PREAMPLIFIER WARNING TO PREVENT FIRE AND SHOCK HAZARD, DO NOT EXPOSE THIS DEVICE TO RAIN OR MOISTURE. PLYMOUTH, MINNESOTA MADE IN U .S .A. SERIAL VOLTS 3A FUSE SLO-BLO T2A (230V) 200 WATTS MAX 50 /60 HZ ˜ +12V C D C D TUNER TUNER R I G H T R I G H T R I G H T R I G H T PHONO PHONO VIDEO VIDEO AUX 1 AUX 1 VAUX 2 VAUX 2 PROCESSOR PROCESSOR RECORD OUT RECORD OUT MAIN OUTPUTS MAIN OUTPUTS UNIT MUST BE OPERATED IN A HORIZONTAL POSITION. -DO NOT OPERATE WITH COVERS REMOVE D- UNIT CONTAINS VOLTAGES WHICH MAY BE HAZARDOUS.

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Model Reference 3 NOTE: All Reference 3 functions are available on the REF 3R hand held remote controller. All functions are indicated in the display window as they are selected. See Description of Controls in this manual for more information. C D PHONO AUX 1 AUX 2 TUNER VIDEO DISPLAY POWER MUTE VOL DN VOL UP BAL L BAL R BAL/ SE HOURS INVERT MONO PROC MODEL REF 3R Adjusts illumination of display to six levels plus off. Turns power on /off. Select one of six available audio inputs. Adjusts volume up. Visible as bar graph and numerically in display window. Adjusts volume down. Visible as bar graph and numerically in display window. Input for external A -“V processor. Provides unity gain, disabling volume controls. NA appears in display window. Sums L and R input for mono output from any source selected. Displays number of operating hours vacuum tubes have been in service. Mutes output of the Reference 3. Select as appropriate for Balanced (BAL) or Single-Ended (SE) input for each source. Adjusts balance left or right. Bar graph appears in display window. Inverts absolute phase of all outputs. l n PLYMOUTH, MINNESOTA, U.S.A.