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FDP Forum / Fender Amps: Vintage (before 1985) / Dlx Rev, 1982, blackface, no "Amp" on face plate!

moleman

usa

The last real bug hunter
Oct 21st, 2015 08:07 PM   Edit   Profile  

Looking for comments and additional knowledge of this edition of Dlx Rev that I just got. So, it's blackface, but where the face plate would normally read "Deluxe Reverb~ Amp" it just has "Deluxe Reverb". The stock speaker (made by Pyle, and is loud and wonderful) branded Fender Special Design is dated 1982 as are a couple transformers (the others trans are 1981and the chassis is 1980), it has fixed baffle board (no drip edge) Velcroed on, and the pull-switch on the Vol pot for Boost (w/back panel footswitch jack). It has the AB763 circuit, totally, with all the best grounding and shielding techniques, and an extra-beefy Power Tran! Sounds like 40 watts with that Pyle speaker. What a great amp. Apparently the pull-boost was designed by Ed Jahns, just before Paul Rivera came to Fender. I've never seen or heard of this edition prior to this. Anybody know more about this, like how many were made during what years?? I can find nothing on that. There is a Wikipedia entry however, on this amp.

amphead4

Cincinnati, USA

Oct 21st, 2015 10:32 PM   Edit   Profile  

Probably a great amp.

I'm not making a derogatory remark about that amp, or any Fender amp from 1982. But I think that was a low point in Fender amp sales, a result of competition from Mesa or whomever had the feature everyone wanted (good sounding master volume or the latest thing, channel switching).

It was like the '70s after the oil embargo and you couldn't give away American cars because everyone wanted a Corolla or Civic. It didn't matter how great American cars had been in the '50s and '60s, they were dead in the '70s. I remember the same thing with Fender amps.

All we did in '82 was buy tube amps cheap and mod them. Pawn shops sold old tube amps for $15 to $30 in the early '80s.

buster strings

Kentucky

Rafe Hollister is a friend of mine
Oct 22nd, 2015 07:13 AM   Edit   Profile  

I have a blackface Fender Champ from the early 80s.
I saw some information online somewhere a while back that described these amps. They were only outfitted with the black faceplate for a year or two. I remember it being described as "silverface with blackface cosmetics." It was just prior to Rivera's stint with the company.

guitarcapo

U.S.A.

Oct 22nd, 2015 10:52 AM   Edit   Profile  

The last PTP amps Fender ever made. I love my Rivera Concert II amps

Hammond101
Contributing Member
*********

So. Cal. USA

Oct 23rd, 2015 09:59 AM   Edit   Profile  

I believe the pull boost was added to the DR in about '77. The amp did not change electronically in the '80-'82 black face versions. Only the cosmetics were changed. SF Fenders had a bad rap at this time that they didn't deserve.

Fortunately, the DR was one of the Fender amps that didn't change much from its introduction as a black face amp through the silver era (with the exception of pull boost) the back to a BF look.

Without the pull boost engaged (a good thing) the amp is basically a Fender Deluxe Reverb not unlike the BF amps of the '60s.

The link shows what's under the hood. If you compare this to a AB763 schematic there is little difference.

Pull boost DR Schematic

moleman

usa

The last real bug hunter
Oct 23rd, 2015 05:02 PM   Edit   Profile  

The pull boost doesn't sound too bad on this. I don't like it on a Princeton I have, and it uses the same circuit as this DR for the boost.

slider313

NC

Oct 24th, 2015 11:16 AM   Edit   Profile  

The Deluxe Reverb changed but not as drastic as the larger models. The biggest difference between original blackface Deluxe Reverb's and the later silverface models, post 1969, is the use of the 5U4 rectifier. This alone changes the sound and the way the amp responds. The power transformer spec must have also changed as the B+ remained the same, on the schematics, from the earlier model that used a GZ34.

carsten

on the rhine

Oct 25th, 2015 11:41 AM   Edit   Profile  

Hi!

These were the very last of the "silverface"-era. Essentially the same amp as any post ´77 DR.
If you don´t pull the boost they sound just fine!
The major drawback is that many of the very late sf-amps used particle-board for the cabinets instead of plywood.
It´s debatable wether this sounds worse, but they sure are more heavy ;-)
Not sure if this is the case with yours, as I´ve seen both types...
Otoh - my ´79 Princeton Reverb has a plywood cab, but it´s still on the heavy side...

cheers - C.

Peegoo
Contributing Member
**********
**********
****

Chain Smokin'

Gas Station Attendant
Oct 28th, 2015 11:11 PM   Edit   Profile  

It's not P2P, it's tagboard construction just like the old ones. Fenders were never P2P.

This is P2P. No board of any kind :o)

Roly
Contributing Member
**********
********

Whitehorse Canada

I don't get out much
Oct 29th, 2015 12:45 AM   Edit   Profile  

Mr. Goo

Is that your work in the link?

It's nicely done. Most P2P stuff is a rats nest.

fujitrekker
Contributing Member

USA/Baja AZ

Nov 20th, 2015 09:02 PM   Edit   Profile  

I recently acquired an '81 DR and have found that the preamp section is essentially AB763 but there are definitely some changes to the PI, not to mention the reverb and tremolo circuits. I replaced the GZ34 rectifier that came with mine with the specified 5U4GB and also installed a newer Jensen C12Q with the felt dust cap mod and it sounds pretty good. The obvious question is - what if I fully convert to AB763? Anyone ever done this? I am initially wondering about the PI. Mine has 330K ohm resisters on the grids (pins 2 & 7) instead of the 1meg resistors specified by AB763. The cathodes (pins 3 & 8) are tied to a 680 ohm resistor instead of the 470 ohm resistor indicated by AB763. These three resistors are tied to a 22K resistors instead of the 27K specified by AB763. Anyone have any ideas of the impact of this? More headroom? There don't appear to be any changes to the biasing of the power tubes. Any suggestions would be greatly appreciated.



socal
Contributing Member

California

Jun 19th, 2019 04:36 PM   Edit   Profile  

As mentioned above, it's a Silverface (basically) with the re-introduced factory Blackface faceplate. I have an '81 PR that's the same. Basically Silverface circuitry with the factory Blackface faceplate. I have seen DRs & TRs with the same config.

FDP Forum / Fender Amps: Vintage (before 1985) / Dlx Rev, 1982, blackface, no "Amp" on face plate!




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