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Woodson W150-2 [message #27728]

Thu, 12 March 2020 16:50

jammy5152
Messages: 62
Registered: May 2018
Location: Georgia

Member

Anyone know where I can get a schematic for a Woodson W150-2 Guitar Amplifier?
It was part of the Kustom Series along with Plush, Kasino, Kustom etc....
I know that some of the circuit boards were used in different amplifier
This amp was made 1970's

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Re: Woodson W150-2 [message #27729 is a reply to message #27728]

Fri, 13 March 2020 05:52

stevem
Messages: 4775
Registered: June 2004
Location: NY

Senior Member

What issues are you having with it?

PS, kustom electric's corp never made Plush amps, they where a totally different brand and mostly copy's of Fender tube amps, not solid state like Vinttage Kustom!

[Updated on: Fri, 13 March 2020 07:17]

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Re: Woodson W150-2 [message #27753 is a reply to message #27729]

Fri, 03 April 2020 23:30

oren hudson
Messages: 274
Registered: March 2008
Location: Gastonia, NC

Senior Member

No Message Body

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Re: Woodson W150-2 [message #27754 is a reply to message #27729]

Fri, 03 April 2020 23:37

oren hudson
Messages: 274
Registered: March 2008
Location: Gastonia, NC

Senior Member

I checked my Woodson file for schematics. Unfortunately, I don't have any. However, I discovered info following up a little more on what was mentioned about their heritage. There is somewhat of a Kuston connection. Thomas Woodson did the Woodson line. He is the brother-in-law of Bud Ross, our Kustom guy. Cool

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Re: Woodson W150-2 [message #28545 is a reply to message #27729]

Tue, 19 April 2022 09:22

jammy5152
Messages: 62
Registered: May 2018
Location: Georgia

Member

Sorry, I just saw this question....
My Woodson has a hum coming from it that seems to lower in sound with the volume but you can still hear it...
I'm thinking that DC might be the problem
This amp has dual rail power supply ...maybe positive / negative problem...

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Re: Woodson W150-2 [message #28547 is a reply to message #27728]

Tue, 19 April 2022 11:43

stevem
Messages: 4775
Registered: June 2004
Location: NY

Senior Member

are there PC numbers on the boards in your Woodson?

If your reading a D.C. Voltage on the speaker jack then the output Transistors could have gone too far away from being matched , or values of the resistors that bias those Transistors may have drifted.

If your reading an AC voltage on the speaker jack then it's likely time for new power supply rail filters .

[Updated on: Tue, 19 April 2022 11:49]

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Re: Woodson W150-2 [message #28548 is a reply to message #28547]

Tue, 19 April 2022 18:32

jammy5152
Messages: 62
Registered: May 2018
Location: Georgia

Member

P.C. Board number PC5116..I'll check these voltages you mentioned...
Thanks

[Updated on: Tue, 19 April 2022 18:32]

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Re: Woodson W150-2 [message #28549 is a reply to message #27729]

Tue, 19 April 2022 18:42

jammy5152
Messages: 62
Registered: May 2018
Location: Georgia

Member

You're correct..they did not make Plush and are connected to Earth Sound Research with Fender Pre-CBS technology and had connection with companies for the Tuck and Roll...👍

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Re: Woodson W150-2 [message #28550 is a reply to message #27728]

Tue, 19 April 2022 19:43

stevem
Messages: 4775
Registered: June 2004
Location: NY

Senior Member

I see that music parts.com list a schematic for a Woodson lead amp w2-12.
I wonder if this is the same as your model.
This schematic is listed as being off line which means you will have to email them to have them make a copy for you.

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Re: Woodson W150-2 [message #28552 is a reply to message #28550]

Wed, 20 April 2022 08:49

jammy5152
Messages: 62
Registered: May 2018
Location: Georgia

Member

stevem
They emailed me back and they don't have it...I have found family members who are Woodson kin and sent them an email concerning this...I hope they don't think I'm a stalker...

[Updated on: Wed, 20 April 2022 08:49]

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Re: Woodson W150-2 [message #28554 is a reply to message #27728]

Wed, 20 April 2022 10:17

rodak
Messages: 516
Registered: October 2001
Location: Georgia

Senior Member

I think I've heard of Woodson, but never knew anything about them, so thanks for the info. Looked them up on eBay, and boy, they sure do look "Kustom-ish"!

As for Earth/Plush, they weren't related, except that Earth copied some of Plush's designs, then went on to copy Peavey's designs. Good article here goes into that:

http://www.pedalhaven.com/history-earth-sound-research-ampli fiers/

Always nice to learn more about obscure amp history.

www.combo-organ.com

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Re: Woodson W150-2 [message #28556 is a reply to message #27728]

Thu, 21 April 2022 11:39

jammy5152
Messages: 62
Registered: May 2018
Location: Georgia

Member

Thomas Woodson was the brother in law to Bud Ross
Due to lack of interest in i Kustom tuck and roll by other musicians , Ross decided to branch out with
other designs without tuck and roll material...
Woodson for one...that's why Woodson is similar to Kustom even with some PC board design but Kustom only went so far with PC Board numbers..That's why my PC board number is 5116...

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