Bryston 4B ST Stereo Audio Power Amplifier black - used

€1850,00
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SKU:
br4bst
Condition:
Used
Shipping:
Calculated at Checkout
Power output:
2x 250W @8Ω | 2x 400W @4Ω
Inputs:
XLR | RCA | 6,3mm (1/4) Jack
Construction:
Stereo balanced power amp
Audio channels:
2
Width:
17"
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Features:

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

Total harmonic distortion: <0.007%, 20 Hz- 20 kHz @ 250 Wpc

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

Gold-plated connectors

Specifications:

Inputs: Balanced 1/4″ XLR and unbalanced RCA
Dimensions:
5-1/4 inches (13-3/10 cm) High
19 inches (482-1/5 cm) Wide
15-1/2 inches (39-3/10 cm) Deep
Weight: 42 lbs (18 kg)

Please see pictures for cosmetic condition.  Unit has been tested and works properly. Slight marks of use.