The Audio Research GSpre
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Condition | |
Payment methods | |
Ships from | Venice, CA, 90291 |
Ships to | United States |
Package dimensions | 28.0" × 35.0" × 20.0" (40.0 lbs.) |
Shipping carrier | FedEx |
Shipping cost | $110.00 |
Original accessories | Remote Control, Box, Manual |
Average | Research Pricing |
"Audio Research GSPre" Stereo Vacuum Tube Line and Phono Preamplifier with Headphone Amplifier
- This preamplifier retails new at $15,000.
- The GSPre is both a line stage and phono stage, with programmable functionality and flexibility, making it the perfect solution to adapt and grow in your system.
- The phono stage is no mere afterthought - but a separate, vacuum tube-powered circuit providing enough gain for a variety of phono cartridges.
- The GSPre includes a headphone amplifier capable of driving a range of headphone impedances.
- The front panel layout is designed to simply and clearly display all functions and information.
- 3 - single-ended inputs.
- 2 - pairs of balanced inputs, BAL1 and BAL2 (XLR).
- 1 - pairs of single-ended (RCA output).
- 1 - pair of balanced (XLR) outputs, Main 1 and Main 2, to connect the GSPre to a power amp.
- This GSPre is equipped with all steel/remote...not the plastic version.
- Original double box for shipping.
- Original manual.
- The GSPre measures 19W” x 7.75”H x 17.25”D and weighs 25 pounds.
- This particular piece was purchased from the largest authorized dealer of Audio Research located here in Southern California.
- The tube set is original with 2584 hours... just breaking in (5k+ hours rated tube life).
SPECS
• Pure Class-A differential amplifiers in the Line stages, no feedback.
• Pure Class-A SE amplifiers in the Phono stages, no feedback.
• VF display with Blue LED’s for Phono Loads and mode selected, and rotating Volume & Input Select encoder.
• Hand held IR Remote and RS-232 and remote IR inputs for whole home audio system.
• Balance and SE input/output.
• 7 levels of voltage regulation and a low noise R-core power transformer.
• Phono stage features low noise JFET inputs and 6H30 outputs as well as programmable loading.
• Line stage features low noise JFET inputs and 2 parallel 6H30 outputs.
• Features custom designed coupling capacitors in the line and phono stages.
• +12v trigger output to turn on power amplifier and other system components.
• Low distortion vacuum tube headphone amplifier designed for driving a wide impedance range, 30-300 ohms.
• Removable 15A IEC power cord.
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