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Post new topic Do you know who designed the Nashville-Pro Steel Amp?
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Author Topic:  Do you know who designed the Nashville-Pro Steel Amp?
Bob Lawrence


From:
Beaver Bank, Nova Scotia, Canada
Post  Posted 7 Jan 2015 7:59 am    
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I've see this amp talked about on the Steel forum a few times but I've never seen any schematics or info on who actually designed it. Over the holidays I was reading through an older audio magazine and came across an article from the designer of the amp with references to the project info and schematics.
The project started in 1975 and the amp was produced by the Gretsch division the the Baldwin Piano and Organ company.

So who knows who the designer actually is? Very Happy
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Brad Sarno


From:
St. Louis, MO USA
Post  Posted 7 Jan 2015 8:44 am    
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Wasn't that a Ken Cain design virtually identical to the Sho-Bud single channel amp?

Basically a JFET variation on a Twin Reverb...


B
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Bob Lawrence


From:
Beaver Bank, Nova Scotia, Canada
Post  Posted 7 Jan 2015 8:55 am    
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@ Brad

re: Ken Cain design virtually identical to the Sho-Bud single channel amp?

It may be similar, I haven't compared it however, It wasn't designed by Ken Cain Very Happy

I'll give a clue about the designer's :

Clue 1: It was a husband and wife team that were hired as consultants. Winking
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Frank De Vincenzo

 

From:
The Garden State
Post  Posted 7 Jan 2015 9:55 am    
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Bob Lawrence wrote:
@ Brad

re: Ken Cain design virtually identical to the Sho-Bud single channel amp?

It may be similar, I haven't compared it however, It wasn't designed by Ken Cain Very Happy

I'll give a clue about the designer's :

Clue 1: It was a husband and wife team that were hired as consultants. Winking


Who are Les Paul and Mary Ford?
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Bob Lawrence


From:
Beaver Bank, Nova Scotia, Canada
Post  Posted 19 Feb 2015 4:37 am     Clue 2 - Jim Evans Designed the Sho Bud Amps
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Clue 2: Jim Evans Designed the Sho-Bud Amps not Ken Cain.

Re: Ken Cain design virtually identical to the Sho-Bud single channel amp?

So I came home and quit my day job at McGuire Sound System, a commercial sound business. Wound up in the amp business from 1965-69. Built all the amps for Sho-Bud and put their name on them. The contract finally ran out. I’d fly up there on weekends and do the work. Sho-Bud would send a plane for me. Sometimes I’d fly commercial.

The contract finally ran out, so I thought I’d be out of the amp business but still kept getting calls.

Info Source:
http://www.jewellhousetribute.com/jim-evans.html

But it wasn't Jim Evans on this design Smile
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Doug Earnest


From:
Branson, MO USA
Post  Posted 19 Feb 2015 12:24 pm    
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Woody Woodell
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Bob Lawrence


From:
Beaver Bank, Nova Scotia, Canada
Post  Posted 19 Feb 2015 1:14 pm    
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@Doug Earnest

re:Woody Woodell

No, sorry Doug but you can read Woody's answer to the question in this old post:

http://steelguitarforum.com/Forum11/HTML/004495.html

The Cain and Sho-Buds were designed by Kenneth Cain. The tone was very similar, possibly the Cain a little smoother with the higha a little tamer. Both sounded great! A good example of a Cain being put to good use was Lloyd Green playing thru one on Mel Street's recording of "Borrowed Angel".
I believe the Gretsch is the same circuit as the Cain. I'll send you a copy of both.

re:The Cain and Sho-Buds were designed by Kenneth Cain

We know that's not correct.

re:I believe the Gretsch is the same circuit as the Cain.

That's not correct either.

Because you got the answer wrong I think you should send me one of your beautiful Stage One Pedal Steel guitars ( I really like light blue) Laughing
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Jerry Kippola


From:
UP Michigan, USA
Post  Posted 19 Feb 2015 2:17 pm    
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OK, who designed the Sho Bud Studio/Stage 500, avail as a single, and dual channel, around '76? It is a different design, and at least double the power. ?
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Larry Robbins


From:
Fort Edward, New York
Post  Posted 19 Feb 2015 3:08 pm    
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I have one of those Gretsch Nashville amps and it sounds sweet! Very Happy can anyone tell me when they were made?
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Bob Lawrence


From:
Beaver Bank, Nova Scotia, Canada
Post  Posted 19 Feb 2015 4:13 pm    
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@Larry Robbins

Re: Gretsch Nashville amps

Date: 2, Oct,1976 (on the schematic)
Name: Nashville Pro
Model : GP60
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Larry Robbins


From:
Fort Edward, New York
Post  Posted 19 Feb 2015 4:24 pm    
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Thanks Bob!
any chance you could steer me to a schematic?
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Bob Lawrence


From:
Beaver Bank, Nova Scotia, Canada
Post  Posted 19 Feb 2015 6:49 pm    
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@ Larry Robbins

re: Schematic

Larry,

I would be more that happy to do that for you. Just give me some time to dig out the info again.

Bob
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Bob Lawrence


From:
Beaver Bank, Nova Scotia, Canada
Post  Posted 19 Feb 2015 6:57 pm    
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Nashvile Pro GP60C Preamp ( you can click the image and right click your mouse to save it)

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Bob Lawrence


From:
Beaver Bank, Nova Scotia, Canada
Post  Posted 19 Feb 2015 7:07 pm    
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Power Amp





There is not schematics for the power supply.All I know it that it supplies 46 Volts DC.
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Larry Robbins


From:
Fort Edward, New York
Post  Posted 20 Feb 2015 2:29 pm    
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Thank You! Smile
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Robert Parent

 

From:
Gillette, WY
Post  Posted 21 Feb 2015 4:36 am    
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Ditto, Thank you..... I really enjoy looking at old amp schematics.

Robert
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