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Bryston 270 amplifier

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colhogan

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Bryston 270 amplifier
« on: 27 Dec 2025, 12:50 am »
Hey guys. I just picked up one of these as a curiosity for literally $40.00.
I have no real use for it in my current  audio system, but thought it looked cool just the same same!
Serial number is : 270100.
I haven't been able to find any pictures of the insides yet. Does anyone happen to have some?
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FullRangeMan

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Re: Bryston 270 amplifier
« Reply #1 on: 27 Dec 2025, 01:09 am »
Quote from: colhogan on 27 Dec 2025, 12:50 am
Hey guys. I just picked up one of these as a curiosity for literally $40.00.
I have no real use for it in my current  audio system, but thought it looked cool just the same same!
Serial number is : 270100.
I haven't been able to find any pictures of the insides yet. Does anyone happen to have some?
Its a Mono version of the 3B, so search for 3B.
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colhogan

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Re: Bryston 270 amplifier
« Reply #2 on: 27 Dec 2025, 01:21 am »
What specifically  should I  search for in " Google  images"?
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FullRangeMan

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Re: Bryston 270 amplifier
« Reply #3 on: 27 Dec 2025, 01:47 am »
Quote from: colhogan on 27 Dec 2025, 01:21 am
What specifically  should I  search for in " Google  images"?
Bryston 3B
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colhogan

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Re: Bryston 270 amplifier
« Reply #4 on: 27 Dec 2025, 01:58 am »
I did a search under " Bryston 370".
It looks nothing Iike the 270 unit I have.
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FullRangeMan

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Re: Bryston 270 amplifier
« Reply #5 on: 27 Dec 2025, 02:42 am »
Quote from: colhogan on 27 Dec 2025, 01:58 am
I did a search under " Bryston 370".
It looks nothing Iike the 270 unit I have.
Correct, they may be somewhat different.
Do you have any photo from your amp ?
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rob80b

Re: Bryston 270 amplifier
« Reply #6 on: Yesterday at 05:14 pm »
From the manual...
"GENERAL DESCRIPTION
Bryston's 270 power amplifier is a "70 VOLT" monaural version of the 2B and consists of a single amplifier
module - with a "42v power supply - which can deliver 65 watts into 8 ohms (120 watts into 4 ) via the
DIRECT output or into 60 watts via the 70 VOLT output transformer."
Quote from: colhogan on 27 Dec 2025, 12:50 am
......
I haven't been able to find any pictures of the insides yet. Does anyone happen to have some?
So should be similar to the original 2B..but half only.  :thumb:
https://www.audiocircle.com/index.php?topic=184949.0



https://web.archive.org/web/20060219201946/http://www.bryston.ca/BrystonSite05/pdfs/LegacyPowerAmplifiers/270-USER-MANUAL.pdf
And everything else..: )
https://web.archive.org/web/20060117020104/http://www.bryston.ca/BrystonSite05/BrystonDocs.html
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FullRangeMan

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Re: Bryston 270 amplifier
« Reply #7 on: Yesterday at 11:25 pm »
Thankyou Rob. The amp based on the 3B is the 370.
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colhogan

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Re: Bryston 270 amplifier
« Reply #8 on: Yesterday at 11:51 pm »

It doesn't look anything like a 3B inside.I'm assuming the transformer is for the 70 volts




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colhogan

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Re: Bryston 270 amplifier
« Reply #9 on: Yesterday at 11:56 pm »
Can anyone give me an approximate date of production?
I'm thinking 1991-92.
It has the old "Rexdale " address on the back pannel. I believe that Bryston moved to the Peterborough facility about 1993,so this was made previously.
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FullRangeMan

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Re: Bryston 270 amplifier
« Reply #10 on: Today at 12:15 am »
Quote from: colhogan on Yesterday at 11:56 pm
Can anyone give me an approximate date of production?
I'm thinking 1991-92.
It has the old "Rexdale " address on the back pannel. I believe that Bryston moved to the Peterborough facility about 1993,so this was made previously.
Email Mike Pickett at Bryston:
[email protected]
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