Audio Research - Reference 5SE - Vacuum Tube Preamplifier - Black - Certified Pre-Owned (Excellent Condition)

The Audio Research Reference 5SE is a world-class vacuum tube preamplifier that delivers extraordinary transparency, dimensionality, and musical realism. Built upon the acclaimed Reference Series platform, the REF 5SE reveals the finest details within every recording while preserving the warmth, texture, and emotional impact that have made Audio Research legendary among audiophiles.

Featuring a fully balanced design with multiple balanced and single-ended inputs and outputs, the REF 5SE effortlessly integrates into virtually any high-end audio system. Its refined tube circuitry produces an expansive soundstage, exceptional low-level detail, and effortless dynamics, allowing music to emerge with remarkable clarity and natural tonal balance. Even today, the REF 5SE remains one of Audio Research's most sought-after preamplifiers, sharing much of the performance and sonic character found in its flagship successors.

This certified pre-owned unit is finished in Black and is in excellent condition. It includes a fresh set of genuine Audio Research matched tubes with only approximately 242 hours of use, the desirable original metal remote control, and the original factory double box and packing materials.

FEATURES

• Certified pre-owned in excellent condition
• Fresh genuine Audio Research matched tubes (approximately 242 hours)
• Fully balanced vacuum tube preamplifier design
• Six balanced and six single-ended inputs
• Three balanced and three single-ended outputs
• Home theater bypass (Unity Gain Processor input)
• Original metal remote control included
• Original factory double box and packing included
• Legendary Audio Research transparency and musicality

SPECIFICATIONS

• Tube Complement: Four 6H30P dual triodes, 6550C and 6H30P power supply regulation
• Frequency Response: 0.2 Hz – 200 kHz (±3 dB)
• Voltage Gain: 12 dB Balanced, 6 dB Single-Ended
• Total Harmonic Distortion: <0.01% at 2V RMS
• Input Impedance: 120kΩ Balanced, 60kΩ Single-Ended
• Output Impedance: 600Ω Balanced, 300Ω Single-Ended
• Maximum Input: 20V RMS Balanced, 10V RMS Single-Ended
• Rated Output: 2V RMS Balanced
• Maximum Output: 30V RMS Balanced (<0.5% THD)
• Noise: 1.7µV RMS (109 dB below rated output)
• Power Consumption: 2W Standby, 130W Operating
• Dimensions (W × H × D): 19" × 7" × 15.5"
• Weight: 30.4 lbs