Barney Oliver Amplifier: HP Team Produces Superb Stereo Units (Sorry, All Sold Out)

Steve Eddy · 25th December 2010, 04:05 PM

kurt s posted this over at Audio Asylum. Thought it would be of interest here.

The Barney Oliver Amplifier Story

se

adason · 26th December 2010, 07:31 PM

Hi Steve Eddy,
I like the buffer circuit. I wonder why it needs +/-10 and +/-20 volts. Could it be converted to only higher voltage supply with just two more resistors? I am no expert, but some here could have a look at it and tell me.
ed

john curl · 26th December 2010, 07:43 PM

Steve, this is the project for YOU! Go for it.

Zero Cool · 26th December 2010, 08:17 PM

I have recently had the pleasure of working on one of these! some dried up caps in the power supply and a blown output transistor but it runs now! very rare piece! but very cool!

Zero Cool · 26th December 2010, 08:19 PM

sadly the original wood sides and top are missing but the screws for the wood sides were located...the wood sides are probably tucked away somewhere in our massive warehouse.

tryonziess · 26th December 2010, 08:49 PM

I can not even begin to believe something like this could be accomplished in today's corporate environment. I feel good that the generation I am from was the same as this group. We need more ideas like this. People actually gave of themselves to make this happen. Not just a bunch of emails and promises.
I wonder how many of the original units are still usable today?
Thanks for digging this article up and sharing.

Tad

MnDon · 21st January 2011, 04:27 PM

I worked at the plant where the Barney Oliver amplifiers were built in the 70's, and have one in perfect condition. DOes anyone want to buy it?

SY · 21st January 2011, 04:34 PM

How much?

MnDon · 21st January 2011, 04:38 PM

Make a bid. I don't know what shipping will cost, but I can find out. It is heavy.

MnDon · 21st January 2011, 04:41 PM

Make an offer.

25th December 2010, 04:05 PM	#1
Steve Eddy diyAudio Member Join Date: Sep 2002 Location: Sacramento, CA	Barney Oliver Amplifier: HP Team Produces Superb Stereo Units (Sorry, All Sold Out) kurt s posted this over at Audio Asylum. Thought it would be of interest here. The Barney Oliver Amplifier Story se __________________ Q Keeping it simple since 1998

26th December 2010, 08:17 PM	#4
Zero Cool Audio Junkie diyAudio Member Join Date: Sep 2004 Location: MN	I have recently had the pleasure of working on one of these! some dried up caps in the power supply and a blown output transistor but it runs now! very rare piece! but very cool! __________________ It's not about what you can BUY...It's about what you can BUILD!

26th December 2010, 08:19 PM	#5
Zero Cool Audio Junkie diyAudio Member Join Date: Sep 2004 Location: MN	sadly the original wood sides and top are missing but the screws for the wood sides were located...the wood sides are probably tucked away somewhere in our massive warehouse. __________________ It's not about what you can BUY...It's about what you can BUILD!

21st January 2011, 04:34 PM	#8
SY diyAudio Moderator Join Date: Oct 2002 Location: Austin, TX Blog Entries: 1	How much? __________________ “Listening to records is like ****ing a picture of Brigitte Bardot.” - Sergiu Celibidache

21st January 2011, 04:38 PM	#9
MnDon diyAudio Member Join Date: Jan 2011	Barney Oliver Amplifier Make a bid. I don't know what shipping will cost, but I can find out. It is heavy.


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26th December 2010, 07:31 PM	#2
adason diyAudio Member Join Date: Nov 2004 Location: home sweet home	Hi Steve Eddy, I like the buffer circuit. I wonder why it needs +/-10 and +/-20 volts. Could it be converted to only higher voltage supply with just two more resistors? I am no expert, but some here could have a look at it and tell me. ed

26th December 2010, 07:43 PM	#3
john curl diyAudio Member Join Date: Jul 2003 Location: berkeley ca	Steve, this is the project for YOU! Go for it.

26th December 2010, 08:49 PM	#6
tryonziess diyAudio Member Join Date: Apr 2007	I can not even begin to believe something like this could be accomplished in today's corporate environment. I feel good that the generation I am from was the same as this group. We need more ideas like this. People actually gave of themselves to make this happen. Not just a bunch of emails and promises. I wonder how many of the original units are still usable today? Thanks for digging this article up and sharing. Tad

21st January 2011, 04:27 PM	#7
MnDon diyAudio Member Join Date: Jan 2011	I worked at the plant where the Barney Oliver amplifiers were built in the 70's, and have one in perfect condition. DOes anyone want to buy it?

21st January 2011, 04:41 PM	#10
MnDon diyAudio Member Join Date: Jan 2011	Make an offer.

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