Bryston BHA 1F

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)

• 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

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