Help! Looking for original AC30 Layout

HeeBGB · Post by **HeeBGB** » Sun 06/06/04 4:19 pm

Hi Guys,

Can anyone point me to an original AC30 layout? Preferably a top boost.

I have the Hoffman layout but it doesn't have the trem and is not original anyway.

Thanks

Greg

ampkits · Post by **ampkits** » Mon 06/07/04 1:14 pm

Hi Greg,

Uh no reply yet.

My AC30 should be available in August, if still no answers. I can give you the layout then.

The layout could probably be guessed through schematics and pics, but I am getting an old actual board.

Thanks!

Nik

Ethan · Post by **Ethan** » Mon 06/07/04 2:14 pm

Nik,
I wouldn't mind having a look at that either. When you're ready to post it, could you let us know in the "By the BBQ" section?
Thanks-
Ethan

ampkits · Post by **ampkits** » Mon 06/07/04 2:28 pm

Hey Ethan, Greg,

Will do. Hope my drawing skills are up to it. Looks hard to draw, pretty compact..heh..

Nik

Wannatone · Post by **Wannatone** » Mon 06/07/04 3:11 pm

Greg,

check this:
http://vintageamps.com/PlexiPalaceUBBcg ... 279#000000
The layout IÂ´ve posted was taken from a Â´63 non TB AC30/6.
The TB layout isnÂ´t that much different.

Adrian

Ballz · Post by **Ballz** » Mon 06/07/04 3:45 pm

IIRC, the TB components are all added to the power transformer end of the circuit boards - kindly note that both boards are slightly longer than in a non-TB unit (IIRC, the TB upper board is longer than the lower board(?), and they extend towards the power transformer.

The TB tube is the farthest to the right, seen from the bottom, and its plate components are all on the upper board, and its cathode components are all on the lower board. IIRC, the layout keeps the non-TB components in their original places, and just adds the new ones to the right side of the board. I think I have reasonably large gut pictures of both JMI non-TB and TB versions somewhere.

Someone named SteveG did these:
http://www.it.mah.se/amps/vox/ac30_layout_left.jpg
http://www.it.mah.se/amps/vox/ac30_layout_right.jpg

Edit: After checking quickly, it seems I was both right and wrong:
a) it is only the top board that is longer, I think 6 tags longer that the non-TB.
b) The lower board has no extra components on the far right, AFAICS.

Check for yourselves:
http://www.it.mah.se/TB.jpg
http://www.it.mah.se/NONTB.jpg

And, BTW, Adrian, hate to say this, but your drawing still has an error - I canÂ´t find the wires from the PI output to the power amp dept (lower board, big caps, green and white (mostly)wire from connection point at low end of board, the wires go thru the rubber grommet in the chassis.

Or is it me?

Mail me if you need the pics/more pics.
rjSWAPbit.mah.se - exchange the obvious with a @

/Richard

HeeBGB · Post by **HeeBGB** » Mon 06/07/04 8:19 pm

Thanks guys.

Richard- I will take those chassis shots if you have time. Where can I find your email address?

Greg

Ballz · Post by **Ballz** » Tue 06/08/04 1:57 am

rjATbitDOTmahDOTse

/Richard

PS they are 500KB to 900KB a piece, so itÂ´s going to take some time and space.

stevesuk · Post by **stevesuk** » Tue 06/08/04 3:06 am

I have an original 1964/5 ? original grey panel AC30 with top boost and reverb, original footswitch, speakers etc.

What photographs do you need ?

Steve UK

HeeBGB · Post by **HeeBGB** » Tue 06/08/04 9:27 am

Well I'd like to build an AC30TB Using the weber chassis and the original layout, so I am looking for detailed interior shots. Unfortunately for me I have never seen the inside of an AC30 in person. Actually i've never played through one either.

Richard-You should have mail!

Thanks

Greg

stevesuk · Post by **stevesuk** » Tue 06/08/04 10:38 am

I'll get the digital camera out as soon as I can.

Wannatone · Post by **Wannatone** » Tue 06/08/04 12:58 pm

Ballz wrote: And, BTW, Adrian, hate to say this, but your drawing still has an error - I canÂ´t find the wires from the PI output to the power amp dept (lower board, big caps, green and white (mostly)wire from connection point at low end of board, the wires go thru the rubber grommet in the chassis. Or is it me?
/Richard

Yep, youÂ´re right. Thought itÂ´s obvious that they go to the .15 PI coupling caps...

Check my PP post for details. I plan to update the drawings at a time.

Btw, most of the TB components are connected directly to the pots and tube socket. There are just some very few parts on the board.

Greg,

good luck with the project! AC30Â´s rule

Adrian

ampkits · Post by **ampkits** » Wed 06/09/04 2:23 am

Hello,

Cool! There's already a layout. Well, I'll refer to the old board to compare/verify.

On another note, there's one on ebay:

http://cgi.ebay.com/ws/eBayISAPI.dll?Vi ... eName=WDVW

Chassis + board..pretty complete except for some parts. Dont know the guy, but i think he's sold quite some brit amps, altho I think he;s american.

Thanks!

nik

HeeBGB · Post by **HeeBGB** » Fri 06/11/04 12:06 pm

Thanks for the heads up Nik. I ended up buying this one.

ampkits wrote:Hello,

On another note, there's one on ebay:

http://cgi.ebay.com/ws/eBayISAPI.dll?Vi ... eName=WDVW

nik

I think I payed a little too much, but hey it's only money right?
I'll let you guys know when I get it (or if I get it-you know ebay)

Thanks to everyone for all the help

Greg

Wannatone · Post by **Wannatone** » Fri 06/11/04 6:03 pm

Greg,

OMG

well, itÂ´s only money, isnÂ´t it?

Throw in some extra dough and get my near mint Â´71 AC30 w/ rectifier tube.

(I saw a similar one but in much worse condition go for over $2k... This one will be less

Need a 70Â´s Hiwatt??
And a THD 4x10?
Or a handbuilt Â´59 Bassman clone?
How Â´bout a Â´56 White Falcon, bro?
More guts needed?

Adrian

HeeBGB · Post by **HeeBGB** » Fri 06/11/04 10:16 pm

Adrian,

OK I'll take the lot!

But you'll have to wait a couple of weeks for your money because I'm gathering up the $500million to buy Fender at auction (even though it's not really for sale). I may have to bid the extra couple of thousand....you know how it is?

Thanks

Greg

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Help! Looking for original AC30 Layout

Help! Looking for original AC30 Layout