Hoffman Amplifiers Tube Amplifier Forum

Amp Stuff => Tube Amp Building - Tweaks - Repairs => Topic started by: TubeGeek on February 16, 2012, 12:03:10 pm

Title: Princeton Reverb cabinet plans
Post by: TubeGeek on February 16, 2012, 12:03:10 pm

Does anyone have access to blackface princeton reverb cabinet plans?

I have a project coming up where I'll need a natural wood cabinet built.  If I have a local builder do the cab for me, he needs plans.

Title: Re: Princeton Reverb cabinet plans
Post by: Willabe on February 16, 2012, 01:35:02 pm

If no one post it, I have a BF PR that I would measure up for you.


                        Brad    :icon_biggrin:

Title: Re: Princeton Reverb cabinet plans
Post by: jjasilli on February 16, 2012, 01:42:45 pm

Have you considered a 12" speaker?

Title: Re: Princeton Reverb cabinet plans
Post by: volvo on February 16, 2012, 01:50:03 pm

I think this is what you are looking for

Title: Re: Princeton Reverb cabinet plans
Post by: Willabe on February 16, 2012, 02:08:39 pm

Hey Volvo,

Where did you get that? Is it from a web site that has most or all of the Fender cab plans?


                          Brad      :icon_biggrin:

Title: Re: Princeton Reverb cabinet plans
Post by: Willabe on February 16, 2012, 02:17:18 pm

Quote from: jjasilli on February 16, 2012, 01:42:45 pm

Have you considered a 12" speaker?

+1 on what jjasilli said.

But, watch out if you go with a ceramic 12" in that cab. I put a ceramic 12" in a tweed deluxe cab which is close in size to a BF PR, and the mag was too close to one of the output tubes, darn thing light up like a light bulb.

Had to make a new speaker baffle to move the speaker away from the power tube.


                  Brad     :icon_biggrin:

Title: Re: Princeton Reverb cabinet plans
Post by: TubeGeek on February 16, 2012, 04:28:12 pm

Yes, this is going to use a 12" speaker.

Still putting details together.  I am thinking of using an alnico speaker (Weber 12a125?) in this amp.  This project will be much like the attached pic except have a natural stained wood cabinet.

Last time I built this circuit I used Weber transformers.  This time around I am leaning to using Heyboer's.

Thanks for finding that drawing!  :worthy1:

Title: Re: Princeton Reverb cabinet plans
Post by: jjasilli on February 16, 2012, 04:41:09 pm

I fit a 12" speaker in the stock Princeton cab --used a jig saw to enlarge the 10" hole in the stock baffle board --  but then had to grind away a bit of the speaker frame to clear the PT.

Title: Re: Princeton Reverb cabinet plans
Post by: Willabe on February 16, 2012, 05:23:47 pm

I see that the speaker in the pic is off center away from the power tubes.

Nice looking amp.


             Brad      :icon_biggrin:

Title: Re: Princeton Reverb cabinet plans
Post by: volvo on February 19, 2012, 03:52:49 pm

Sorry I have not seen your post Brad - I have been on weekend trip. I found it on this website:
http://www.brieskorn.de/int/index.html (http://www.brieskorn.de/int/index.html)

aage

Title: Re: Princeton Reverb cabinet plans
Post by: tdvt on February 20, 2012, 03:52:35 pm

Quote from: volvo on February 19, 2012, 03:52:49 pm

Sorry I have not seen your post Brad - I have been on weekend trip. I found it on this website:
http://www.brieskorn.de/int/index.html (http://www.brieskorn.de/int/index.html)

aage

Thanks for that link, he has a really nice site!

Title: Re: Princeton Reverb cabinet plans
Post by: Willabe on February 20, 2012, 04:00:12 pm

Quote from: volvo on February 19, 2012, 03:52:49 pm

Sorry I have not seen your post Brad

Thanks volvo.

Title: Re: Princeton Reverb cabinet plans
Post by: TubeGeek on February 20, 2012, 07:28:34 pm

Quote from: volvo on February 19, 2012, 03:52:49 pm

Sorry I have not seen your post Brad - I have been on weekend trip. I found it on this website:
http://www.brieskorn.de/int/index.html (http://www.brieskorn.de/int/index.html)

aage

There is lots of nice info there, thanks!