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Post subject: Deluxe reverb reissue
Posted: Tue Sep 07, 2010 12:35 pm
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Hello everyone, I took advantage of " The LIST " at G.C weekend sale. And got a drri at a great deal. I have acouple questions, I noticed on the on/off and standby toggle switches they got rubber covers on them ? Ive never seen these before on fender amps. Is this somthing new for the reissues ?....also your thoughts on the bright cap removall. I play a jaguar and the two together is very bright sounding...hurts the ears. Other than that amp sounds good, will do a tube swap soon and look into speakers to. Thanks Tom


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Posted: Tue Sep 07, 2010 1:58 pm
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Congrats on the new DRRI!

Read this thread regarding the rubber boots on the switches: http://www.fender.com/community/forums/ ... hp?t=43172

As for clipping the bright cap on the vibrato channel, if you play with the volume on the vibrato channel past 4 the cap is out of the circuit anyway. And give the speaker some time to break in. I found I did not need to clip the bright cap in mine when considering these things.

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Posted: Tue Sep 07, 2010 2:10 pm
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metropolis74 wrote:
As for clipping the bright cap on the vibrato channel, if you play with the volume on the vibrato channel past 4 the cap is out of the circuit anyway. And give the speaker some time to break in. I found I did not need to clip the bright cap in mine when considering these things.


+1

On my DRRI I had the pre-amp reconfigured so that the effects are available on both channels. Thus, I use the "normal" inputs for a Strat and reserve the "vibrato/bright" channel for my Les Pauls while having the reverb and tremolo on tap for either side.

HTH

Arjay

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Posted: Tue Sep 07, 2010 2:17 pm
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+1 for Retro and Metro, C10 is shorted by the vol pot !

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Posted: Tue Sep 07, 2010 2:50 pm
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Retroverbial wrote:

+1

On my DRRI I had the pre-amp reconfigured so that the effects are available on both channels. Thus, I use the "normal" inputs for a Strat and reserve the "vibrato/bright" channel for my Les Pauls while having the reverb and tremolo on tap for either side.

HTH

Arjay


That's a good set up!

Did you do the "Fritz Mod" to add reverb and tremolo to the Normal channel?:
http://www.fenderforum.com/userphotos/i ... ecid=48201
and
http://www.fenderforum.com/userphotos/i ... ecid=64923

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Posted: Tue Sep 07, 2010 7:05 pm
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Great Info guys, Thank you. No mods yet. The first thing I want to do is re bias the amp. Bring it up to 25-27 ma. Re tube a few tubes, and maybe speaker. I like the weber 12f150 or the California. But I hear the stock speaker sounds good after a good break in. Any other info on tubes would be great to or guidelines.....Thanks


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Posted: Tue Sep 07, 2010 10:51 pm
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sidewalksurfer wrote:
Great Info guys, Thank you. No mods yet. The first thing I want to do is re bias the amp. Bring it up to 25-27 ma. Re tube a few tubes, and maybe speaker. I like the weber 12f150 or the California. But I hear the stock speaker sounds good after a good break in. Any other info on tubes would be great to or guidelines.....Thanks


These amps are usually biased pretty "cold" from the factory -- 25 to 27 ma should liven things up substantially. Mine was a used model from '96 (made in Brea, CA) with the stock GT tubes. Those were immediately swapped out for some NOS Amperex 12AX7's, Westinghouse 12AT7's, and a pair of gray-plate GE 6V6's, with a Sov-Tek 5AR4. Biased at 27 ma. My OEM speaker was an Eminence which sounded fine although many find that the bass "flabs out" when the amp is pushed (likewise with the alternate re-issue Jensen C12K that was also periodically used). These re-issue amps (like the originals) really sound their best with an alnico speaker......either a Weber, JBL, Tone Tubby, etc.

Best of luck with the new amp, HTH

Arjay

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Posted: Wed Sep 08, 2010 5:49 am
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metropolis74 wrote:
Retroverbial wrote:

+1

On my DRRI I had the pre-amp reconfigured so that the effects are available on both channels. Thus, I use the "normal" inputs for a Strat and reserve the "vibrato/bright" channel for my Les Pauls while having the reverb and tremolo on tap for either side.

HTH

Arjay


That's a good set up!

Did you do the "Fritz Mod" to add reverb and tremolo to the Normal channel?:
http://www.fenderforum.com/userphotos/i ... ecid=48201
and
http://www.fenderforum.com/userphotos/i ... ecid=64923



Not clear to me what the 2nd link mod does...

-T

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Posted: Wed Sep 08, 2010 9:20 am
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tyronne wrote:


Not clear to me what the 2nd link mod does...

-T


Same mod as the 1st link. It goes along with the 1st link, it's a pic of the modded circuit board as opposed to just showing the schematic in the 1st link. It puts the Normal and Vibrato channels in phase so you can jumper them and adds reverb and tremolo to the Normal channel.

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Posted: Wed Sep 08, 2010 9:33 am
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metropolis74 wrote:
Did you do the "Fritz Mod" to add reverb and tremolo to the Normal channel?


Indeed, the very one.

So easy even a caveman can do it.

:mrgreen:

The next time I happen to have my TRRI chassis opened up for servicing I'm gonna mod it in a similar fashion as well.

Arjay

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Post subject:
Posted: Wed Sep 08, 2010 9:35 am
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metropolis74 wrote:
tyronne wrote:


Not clear to me what the 2nd link mod does...

-T


Same mod as the 1st link. It goes along with the 1st link, it's a pic of the modded circuit board as opposed to just showing the schematic in the 1st link. It puts the Normal and Vibrato channels in phase so you can jumper them and adds reverb and tremolo to the Normal channel.


Thank you for the explanation!

-T

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