Bryston BHA-1 Owner's Manual
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Bryston BHA-1 Owner's Manual

Headphone amplifier
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BHA-1
OWNER'S MANUAL

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Summary of Contents for Bryston BHA-1

  • Page 1 BHA-1 OWNER’S MANUAL...

  • Page 2: Important Safety Instructions

    Bryston authorized dealer to qualify for warranty service. The warranty is transferable from the original owner to a subsequent owner as long as a copy of the bill-of-sale from the original authorized Bryston dealer accompanies the re-sale. The copy of the bill of sale to any subsequent owner need ONLY include the Name of the Bryston Authorized Dealer and the Model and Serial number of the Bryston product The warranty will only be honored in the country of the original purchase unless otherwise pre-authorized by Bryston.

  • Page 3: Table Of Contents

    Mini Jack Input Single-Ended Inputs Balanced Inputs Data Plate Wiring Headphones for Balanced Operation Using the BHA-1 with an MPS-2 External PSU ......Page 6 Remote Trigger (Power On/Off) Control Exterior Dimensions ..............Page 7 BHA-1 model codes ..............Back Page...

  • Page 4: Power Conditioners

    Check the label next to the power input con- The BHA-1 has a single, fast acting 5x20mm nector on the rear of the BHA-1 and verify tubular glass fuse, located in a locking drawer your amplifier complies to your local A/C volt- that is integrated into the power inlet (see pg’s...

  • Page 5: Driving Multiple Pairs Of Headphones

    DRIVING MULTIPLE PAIRS OF HEADPHONES While the BHA-1 is capable of driving multiple pairs of headphones from its three outputs (single 4 pin XLR jack, dual 3 pin XLR jacks and 1/4” stereo phone jack) the resultant load impedance should always be greater than 32 Ohms.

  • Page 6: Front Panel Legends

    BHA-1 REAR & FRONT PANEL LEGENDS FRONT PANEL nel output. Pin 1 is ground, pin 2 is the posi- tive phase and pin 3 is the negative phase. 1: INPUT SELECT SWITCH See page 5 and 6 for more wiring details.

  • Page 7: Single Ended Output

    MPS-2 is turned the fuse only with the same type and value as ON but the BHA-1 is turned OFF, the LED will stated on the fuse label on the rear panel next light red to indicate that external power is avail- to the fuse drawer/power inlet module.

  • Page 8: Wiring Headphones For Balanced Operation

    The BHA-1 provides two different connector options for balanced operation: 1) Using a single 4 pin XLR connector (e.g. Neutrik NC4MC-B), the left driver is connected as...
  • Page 9 BHA-1’s front panel status indicator LED will light red. This indicates that power is avail- able to the BHA-1. Once the BHA-1 is turned on, either by the front panel On/Off switch or remotely by via the Remote Trigger connection, the LED will light green.
  • Page 10 BHA-1 OVERALL SCHEMATIC BHA1 FEMALE R5 POWER OP AMPS INPUT BUFFERS POWER OP AMPS PCB7 OUT R 100R PCB5 2R10 6R18 100R 100R 4R18 +20B +20D +20F 4C10 BHA1 MB R5 VRBA 100N 6C10 100N 5R11 BAL OUT 5R11 5R11...
  • Page 11 BHA-1 HEADPHONE AMPLIFIER BHA-1 EXTERNAL DIMENSIONS...

  • Page 12: Bha-1 Model Codes

    BHA-1 MODEL CODES There are no user serviceable parts inside the . Please refer any servicing to qualified personnel. BHA-1 300028-2[BHA1]20120307 BRYSTON LTD., PETERBOROUGH, ONTARIO, CANADA...

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