Audio Research - Reference 150SE - Stereo Tube Power Amplifier w/Factory Box - Black

The Audio Research Reference 150 SE is a reference-level stereo tube power amplifier designed to deliver exceptional authority, transparency, dimensionality, and musical realism. The SE version builds upon the acclaimed Reference 150 with significant performance enhancements, including the use of KT150 output tubes, giving the amplifier greater dynamic capability, improved resolution, and effortless control while preserving the natural, engaging presentation for which Audio Research is renowned.

Delivering 150 watts per channel, the Reference 150 SE combines substantial power with the refinement and spacious presentation of Audio Research’s vacuum-tube designs. Its fully balanced signal path, robust regulated power supply, and carefully engineered output stage allow it to confidently drive a wide variety of high-performance loudspeakers. From delicate low-level detail to demanding dynamic passages, the REF 150 SE offers the scale, control, and musical involvement expected from Audio Research’s Reference Series.

This example is finished in Black and is in excellent pre-owned condition. It has only 1,251 hours on the tubes and includes the original factory box and owner’s manual. With low tube hours, excellent cosmetic condition, and its original packaging, this is a particularly attractive example of the Reference 150 SE.

FEATURES:

• Reference Series stereo vacuum-tube power amplifier
• 150 watts per channel output
• KT150 vacuum-tube output stage
• Fully balanced circuit architecture
• Balanced XLR input connectivity
• Audio Research automatic bias monitoring
• Front-panel tube monitoring indicators
• 12V remote trigger capability
• Reference Series construction and component quality
• Designed and manufactured in the USA

SPECIFICATIONS:

• Type: Stereo Vacuum-Tube Power Amplifier
• Power Output: 150 Watts Per Channel Continuous, 20 Hz – 20 kHz
• Power Bandwidth: 5 Hz – 70 kHz (-3 dB)
• Frequency Response: 0.5 Hz – 120 kHz (-3 dB)
• Input Sensitivity: 2.0V RMS Balanced for Rated Output
• Input Impedance: 300k Ohms Balanced
• Output Taps: 4 Ohms, 8 Ohms, 16 Ohms
• Output Regulation: Approximately 0.6 dB, 8 Ohm Load
• Tube Complement: 8 x KT150 Output Tubes, 4 x 6H30 Driver Tubes
• Power Requirements: 105–125 VAC, 60 Hz
• Power Consumption: 700 Watts at Rated Output; 500 Watts at Idle
• Dimensions (W x H x D): 19 x 10.5 x 19.5 in.
• Weight: Approximately 75 lbs.
• Finish: Black

CONDITION:

Excellent pre-owned condition. The Black faceplate and chassis present exceptionally well with minimal signs of previous use. The amplifier currently has only 1,251 hours on the tubes. The original factory box and owner’s manual are included. Please review all photos carefully for the exact cosmetic condition and everything included.