Bryston BHA-1 Owner'S Manual Download Page 2

IMPORTANT SAFETY INSTRUCTIONS

The lightning flash with arrowhead symbol within an equilateral triangle, is intended to alert the user to the presence of un-insulated 
“dangerous voltage “ within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons

.

 

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance 
(servicing) instructions in the literature accompanying the product.  

1. 

Read these instructions.

2. 

Keep these instructions.

3.    Heed all warnings.
4. 

Follow all instructions.

5. 

Do not use this apparatus near water.

6. 

Clean only with dry cloth.

7. 

 Do not block any ventilation openings.  Install in accordance with the manufacturer’s instructions.

8. 

 Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.

9. 

 Do not defeat the safety purpose of the polarized or grounding-type plug.  A polarized plug has two blades with one wider than the other.  A 
grounding type plug has two blades and a third grounding prong.  The wide blade or the third prong are provided for your safety.  If the pro-
vided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.

10.   Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the 

apparatus.

11.  Only use attachments/accessories specified by the manufacturer.
12.   Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus.  When a cart is used use 

caution when moving the cart/apparatus combination to avoid injury from tip-over.

13.   Unplug this apparatus during lightning storms or when unused for long periods of time.
14.   Refer all servicing to qualified service personnel.  Servicing is required when the apparatus has been damaged in any way, such 

as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been 
exposed to rain or moisture, does not operate normally, or has been dropped.

WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE.
DO NOT EXPOSE THIS EQUIPMENT TO DRIPPING OR SPLASHING AND ENSURE THAT NO OBJECTS FILLED WITH LIQUIDS, SUCH AS VASES, ARE 
PLACED ON THE EQUIPMENT.
TO COMPLETELY DISCONNECT THIS EQUIPMENT FROM THE AC MAINS, DISCONNECT THE POWER SUPPLY CORD PLUG FROM THE AC 
RECEPTACLE.
THE MAINS PLUG OF THE POWER SUPPLY CORD SHALL REMAIN READILY OPERABLE.

BRYSTON LIMITED WARRANTY

Bryston analog audio products are warranted to be free from manufacturing defects for twenty (20) years from the original date of manufacture. The 
warranty includes parts and labour.
Bryston Digital products and cables are warranted for five years from the original date of manufacture. The warranty includes parts and labour. 
Bryston products having motorized moving parts, excluding motorized volume controls, are warranted for three years from the original date of manu-
facture. The warranty includes parts and labour. 
Bryston will remedy the problem by repair or replacement, as we deem necessary, to restore the product to full performance.  Bryston will pay return 
shipping costs for the full length of the specific product’s warranty.
In the event of a defect or malfunction, contact Bryston’s repair centers for return authorization. Products must be returned using original packaging 
material only. Packing material may be purchased from Bryston if necessary. This warranty is considered void if the defect, malfunction or failure of the 
product or any component part was caused by damage (not resulting from a defect or malfunction) or abuse while in the possession of the customer. 
Tampering by persons other than factory authorized service personnel or failure to fully comply with Bryston operating instructions voids the warranty. 
This warranty gives you specific legal rights and you may also have other rights which may vary from province to province and country to country.
As of 2006-02-22 Bryston will only warranty Bryston products purchased through authorized Bryston dealers.  Bryston products with a date code 
of 0608 or higher (date code format is “yyww”, where “yy” is the two least significant digits of the year and “ww” is the week of the year) must be 
accompanied by a copy of the bill-of-sale from a 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.

Postal address:  P.O. BOX 2170, Stn.  Main

 

PETERBOROUGH, ONTARIO

 

CANADA  K9J 7Y4

Courier address:  677 NEAL DRIVE
 

PETERBOROUGH, ONTARIO

 

CANADA  K9J 6X7

PHONE: 705-742-5325

FAX: 705-742-0882

E-mail: [email protected]

79 COVENTRY ST., Suite 5
NEWPORT, VERMONT
U.S.A.   05855-2100

PHONE: 802-334-1201

FAX:  

802-334-6658

E-mail: [email protected]

BRYSTON SERVICE in CANADA

:

BRYSTON SERVICE in the USA

:

contact your local distributor

 or

CHECK OUR WEB SITE: 

www.bryston.com 

E-MAIL BRYSTON DIRECTLY: 

[email protected]

FAX BRYSTON DIRECTLY: 

01-705-742-0882

PHONE BRYSTON DIRECTLY: 

01-705-742-5325

BRYSTON SERVICE outside Canada and the USA

:

Summary of Contents for BHA-1

Page 1: ...BHA 1 OWNER S MANUAL...

Page 2: ...anufacturing defects for twenty 20 years from the original date of manufacture The warranty includes parts and labour Bryston Digital products and cables are warranted for five years from the original...

Page 3: ...Input Select Switch Gain Select Switch Volume Control Balance Control Balanced Outputs Single Ended Output Status LED Page 4 Power Switch Rear Panel Legends Power Inlet Fuse Drawer Fuse Label Warnings...

Page 4: ...ors The BHA 1 should not be installed in tight enclosed areas Bryston recommends that at least 6 inches of space be provided to the rear of the amplifier for properly dressing input output and power c...

Page 5: ...airs of unbalanced headpones DO NOT use the balanced output jacks as this could damage the BHA 1 Each half of either balanced output is driven from a separate amplifier in a bridged configuration for...

Page 6: ...osi tive phase and pin 3 is the negative phase See page 5 and 6 for more wiring details 6 BALANCED OUTPUT 4 PIN XLR This 4 pin XLR jack is wired in parallel to the dual 3 pin XLR jacks see above there...

Page 7: ...via the Remote Trigger Input on the rear panel se Rear Panel item 11 and also Remote Turn On on page 5 REAR PANEL 10 IEC 60320 C14 POWER INLET Mates with C13 power cord connector 11 FUSE DRAWER Turn...

Page 8: ...model codes electrical ratings serial number manufacturing date code yyww where the first two digits represent the two least significant dig its of the year and the last two digits represent the week...

Page 9: ...put is non polarized so either output wire can go to either input pin Tighten wires with no more than 0 5Nm torque BHA 1 SPECIFICATIONS POWER OUTPUT Maximum 6 Watts per channel into 32 Ohms at 1 THD R...

Page 10: ...D H12 1560 OD LEFT VRBB BAL R1L 4K99 C1L 270p C1R 270p R1R 4K99 R2 100K 3CF 100p 3CH 47p 4CF 100p 4CH 47p D2 S1G D1 S1G D3 S1G RIGHT VRBA BAL 7R7 5R11 7R8 5R11 7R6 5R11 7R5 5R11 7R4 5R11 7R3 5R11 7R1...

Page 11: ...BHA 1 HEADPHONE AMPLIFIER BHA 1 EXTERNAL DIMENSIONS...

Page 12: ...rviceable parts inside the BHA 1 Please refer any servicing to qualified personnel 300028 3 BHA1 20120314 BRYSTON LTD PETERBOROUGH ONTARIO CANADA BHA 1 MODEL CODES as found on the data plate label on...

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