Bryston BHA 1F

MPN #43121

$2995.00

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Reference headphone amplifier for balanced and traditional single-ended headphones

The BHA-1 is compatible with both traditional (single-ended) and balanced headphones.

Inputs: Balanced XLR Pair, Single Ended Pair (RCA), 3.5mm Stereo Mini Jack (MP3 Player Source, etc.)
Outputs: Balanced XLR (4 Pin Stereo), Balanced XLR Pair (3 Pin Left/Right), ¼" Headphone Jack
Control: Remote Trigger Input ( 5 - 12V AC/DC @10mA)

Features

Balanced outputs

Balanced dual mono circuitry

Left/Right balance control

Six fully discrete Class A Bryston operational amplifiers

14dB or 20dB gain

10k input impedance

High quality noble stereo volume control (laser trimmed)

Gold plated input and output connectors

Multiple headphone drive capability

Specifications

Load @ 600 Ohms:
Hi - 10.9V Out @ 001% Power 200 mW
Lo - 5.45 V Out @ 001% Power 50 mW
Lo - 2.50 V Out @ 001% Power 10 mW
Lo - 788 mV Out @ 001%¹ Power 1 mW

Load @ 300 Ohms:
Hi - 10.8 V Out @ 001% Power 390 mW
Lo - 5.40 V Out @ 001% Power 50 mW
Lo - 1.79 V Out @ 001% Power 10 mW
Lo - 583 mV Out @ 001%¹ Power 1 mW

Load @ 80 Ohms:
Hi - 10.4 V Out @ 002% Power 1.35 W
Lo - 5.20 V Out @ 001% Power 383 mW
Lo - 887 mV Out @ 001% Power 10 mW
Lo - 345 mV Out @ 003% Power 1 mW

Load @ 32 Ohms:
Hi - 9.65 V Out @ 0.150% Power 2.9 W²
Lo - 4.84 V Out @ 002% Power 732 mW
Lo - 578 mV Out @ 001%¹ Power 10 mW
Lo - 185 m V Out @ 005%¹ Power 1 mW
Lo - 4.00 V Out @ 001% Power 500 mW³

Input Impedance:
10K ohms single ended (unbalanced)
+15K/-5K ohms double ended (balanced)

Sensitivity:
HI (approx 20 dB) setting: 70mVin = 100 mWout into 50 ohms (500mVin = 5Vout) LO (approx 14 dB) setting: 140mVin = 100 mWout into 50 ohms (500mVin = 2.5Vout)

Distortion:
THD+noise: < 0.005% 20 Hz to 20 kHz
IMD: < 0.001% 60 Hz + 7 kHz mixed 4:1

Noise:
Measured with input shorted (20 Hz to 20 kHz.)
>103 dBv (with 20 Hz to 22 kHz band pass filter)

Frequency Response:
20 Hz to 20 kHz @ ± 0.1 dB.

Power Bandwidth:
<1 Hz to over 100 kHz

Power Consumption:
50 Watts

Heat Load:
130 BTU/hr

Physical:
2.75" (2" W/O feet) H x 17" W x 12.25" D (17" faceplate)
69.85mm (50.8mm W/O feet) H x 431.8mm W x 311.15mm D (431.8mm faceplate)
2.75" (2" W/O feet) H x 19" W x 12.25" D (19" faceplate)
69.85mm (50.8mm W/O feet) H x 482.6mm W x 311.15mm D (482.6mm faceplate
13.25 Ibs

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