Bryston 4B 2 Channel Power Amplifier
Bryston 4B 2 Channel Power Amplifier
Current Price: 305.00
Current Bids: 3
Click here to purchase Bryston 4B 2 Channel Power Amplifier on eBay!
The Bryston 4B NRB's amazing bass response was solid, deep, fast,
powerful, and well-defined. It seemed to have just the right mix of
"snap" and "slam," giving the bass a clean, etched leading edge,
followed by a massiveness and weight not heard with other amplifiers. As an upper-range amp, the Bryston 4B proved clean, fast, and very dynamic. The input impedance of the Bryston measured just over 33k ohms at the
balanced inputs, just over 47k ohms at the unbalanced. Measured voltage
gain into an 8 ohm load was 30.2dB in either configuration. (Normally,
there is 6dB greater gain in a balanced configuration.) The measured
output impedance of the Bryston was under 0.06 ohms at or below 1kHz,
increasing to a maximum of 0.13 ohms at 20kHz, which is still very low.Description: Solid-state stereo power amplifier. Output power:
250W continuous into 8 ohms (24dBW), 400Wpc rms continuous into 4 ohms
(23dBW); 800W continuous into 8 ohms in bridged mode (29dBW). Current
delivery: 16A continuous, 48A peak, per channel. Frequency response:
1Hz–100kHz, ±3dB for 1W output. S/N Ratio: hum and noise, 108dB below
rated output, 90dB IHF. Input sensitivity: 1.4V for 250Wpc into 8 ohms.
Voltage gain: 30dB. THD+noise: 20Hz–20kHz, 0.01%. IM distortion
(60Hz+7kHz, 4:1, SMPTE method): less than 0.01% at rated power. Damping
factor: greater than 500 at 20Hz, at 8 ohms (equivalent to an output
impedance of less than 0.016 ohms). Input impedance: 50k ohms
unbalanced, 30k ohms balanced. Polarity: non-inverting.Dimensions: 16 3/16" (411mm) W by 7 1/8" (181mm) H by 13½" (343mm) D. Weight: 40.1 lbs (20.2kg) net.This amp is in tip top working Shape, Comes with the original box, and original paper work/manuals. Audiophile/ Steriophiles know the quality of this amp.
Click here to purchase Bryston 4B 2 Channel Power Amplifier on eBay!
This auction is valid until 2011-02-08T16:35:47.000Z
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