I have an excellent example of the Audio Research Reference 5 preamp for sale.
Black face-plate, and a relatively new set of tubes from ARC (76 hours, as shown in the photo).
Also, at my asking price, I will throw in an excellent 10 foot 20A Tara Labs Apollo power cord ($449 value) that takes this preamp to a whole new level.
This preamp sounds fabulous, very revealing and transparent, yet always satisfyingly musical.
SPECS & PRICING
Type: Tube linestage preamp
Frequency response: 0.2Hz–200kHz +0, –3dB
Distortion: Less than 0.01% at 2V RMS balanced output
Gain: 12dB balanced output, 6dB single-ended output
Input impedance: 120k ohms balanced, 300k ohms single-ended
Output impedance: 600 ohms balanced, 300 ohms single-ended
Maximum input: 20V RMS balanced, 10V RMS single-ended
Rated output: 2V RMS balanced, 1V RMS single-ended
Tube complement: Four 6H30P dual triodes, plus one (each) 6550C and 6H30P in the power supply
Dimensions: 19” x 7” x 15.5”
Weight: 30.4 lbs.
Audio Research Corporation
3900 Annapolis Lane North
Plymouth, MN 55447
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