Luxman B-1000f monoblocks 115V

LUXMAN B-1000f - II5V

Former Luxman distributor selling off his personal pair of amps.  I opened our last NOS pair of Luxmam B-1000f monoblocks three years ago in 2021; the amps have never left our home. They are in excellent condition. A bargain compared to what comparable high-end amps sell for these days - expect to spend north of 100k a pair, for something of comparable quality.

These amplifiers have a beautiful liquid midrange, they throw a well-defined three-dimensional soundstage and with the right speakers, they will deliver sledgehammer-like bass.

The B-1000F has an output of 250W (the first 30W in class A) into 8 ohms, 500W into 4 ohms, 1000W into 2 ohms, and 2000W into 1 ohm.

The meticulous attention to detail starts with the B-1000f's transformer, which is wound with a 2mm-thick copper band, insulated with paper and hand-hammered around the core. A single craftsman builds all transformers for this model, finishing only three per week.

A vibration-damping base forms the foundation on which the amp is built, and each section is isolated from the others with shielding and filtering. The circuitry is based on Luxman's proprietary Only Distortion Negative Feedback (ODNF) topology, which works by "isolating noise and distortion at the output from the music signal and sparingly applying negative feedback to suppress them."

The rear panel provides balanced and unbalanced inputs and two speaker outputs that deliver 250 watts into 8Ω (the first 30W in class-A mode), 500W into 4Ω, 1000W into 2Ω, and 2000W into 1Ω (!). Frequency response is spec'd from DC to 150kHz (+0/-3dB) with harmonic distortion of only 0.0007% at 1kHz (balanced) and signal-to-noise ratio of 118dB (A-weighted).

“It is impossible to overdo luxury.
Like most audiophiles on a budget, I'm always looking for the best sound for the dollar I can find. But when confronted with a component that is clearly superior, it would be foolish for me to deny the fact simply because I can't afford it. The Luxman B-1000F is clearly a superior component, possibly the finest amplifier I have ever auditioned.
Is it worth $55,000/pair? Define worth. In its construction, design, and meticulous attention to the smallest detail, no one could mistake the B-1000F for a bargain. But it's hand-built and beautiful, and is the best there is at what it does—and what it does is pretty. Pretty amazing.”

Stereophile,  Wes Philips, February 2011

Specifications
Description: Solid-state monoblock power amplifier. Rated output: 250W into 8 ohms (24dBW), 500W into 4 ohms (24dBW). Peak power: 1000W into 2 ohms, 2000W into 1 ohm. Frequency response: DC–150kHz, +0/–3dB. Nominal voltage gain: 32dB into 8 ohms. Input sensitivity: 1V for full power. Input impedance: 51k ohms (RCA), 67k ohms (XLR). Harmonic distortion: 0.0007% at 1kHz, balanced. Signal/noise ratio: 118dB (A-weighted). Power consumption: 439W (rated power output), 232W (idle), 0.7W (standby). Dimensions: Each: 16.9" (430mm) W by 11.6" (300mm) H by 23.3" (600mm) D. Weight: 141 lbs (64kg) net, 240 lbs (109kg) shipping. Finish: Brushed and polished aluminium.
Years of manufacture: 2005 - 2012

12-month warranty from On A Higher Note.
 

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