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December Birthdays
What's the Fender '63 Reissue Reverb Tank Tube Mod?
Joined: Oct 12, 2008 Posts: 29 Boston |
Posted on Oct 12 2008 07:27 PM
I've read a few comments here about a easy mod for the Fender '63 Reissue Reverb Tank involving tubes. What does this entail exactly? I know that there is a much more complicated mod which involves rewiring the circuit but this one sounds like something I could do myself. —Paul |
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Joined: Aug 29, 2008 Posts: 694 Surf City |
Posted on Oct 12 2008 07:33 PM
Well, you could always change the tubes... —
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Joined: Oct 12, 2008 Posts: 29 Boston |
Posted on Oct 12 2008 07:37 PM
Is that the mod? I found a link here to the "63 Reverb Reissue Cap & Tube Mod Page" but it was under construction. —Paul |
Joined: Feb 25, 2006 Posts: 19284 Des Moines, Iowa, USA 
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Posted on Oct 12 2008 07:46 PM
Did you try searching the forums? http://home.comcast.net/~rmessick2/ As for the tube swap, swap a NOS 6K6 for the stock 6V6. —Site dude - S3 Agent #202 "It starts... when it begins" -- Ralf Kilauea |
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Joined: Aug 29, 2008 Posts: 694 Surf City |
Posted on Oct 12 2008 07:49 PM
It's technically a mod, but it's like the most common and easy mod. —
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Joined: Feb 25, 2006 Posts: 19284 Des Moines, Iowa, USA
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Posted on Oct 12 2008 08:07 PM
Oh and welcome to the site! BTW, please use the search feature as there are literally a hundred threads on reverb units and mods. Enjoy. —Site dude - S3 Agent #202 "It starts... when it begins" -- Ralf Kilauea |
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Joined: Sep 24, 2007 Posts: 2728
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Posted on Oct 12 2008 08:15 PM
This post has been removed by the author. Last edited: Sep 23, 2009 20:26:56 |
Joined: Apr 15, 2008 Posts: 1281
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Posted on Oct 12 2008 08:43 PM
You know, something that would really improve the search function would be the ability to search in topic title ONLY. Just a thought. |
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Joined: Oct 12, 2008 Posts: 29 Boston |
Posted on Oct 12 2008 09:02 PM
Thanks - great to be aboard! Lots of great stuff here - I'm loving it! I did search the site and I did find that link but the mod page is under construction. What can I expect from the tube swap - warmer sound? —Paul |
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Joined: Feb 25, 2006 Posts: 19284 Des Moines, Iowa, USA
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Posted on Oct 12 2008 09:37 PM
Replacing the 6V6 with a NOS 6K6 will take some of the harshness out. —Site dude - S3 Agent #202 "It starts... when it begins" -- Ralf Kilauea |
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Joined: Sep 23, 2008 Posts: 349 Montclair, NJ |
Posted on Oct 13 2008 11:14 AM
Getting a good NOS 6K6 does eliminate some harshness. I heard contrary opinions on swapping the pre-amp tubes. My experience was positive on this. The stock tubes were forgettable. Some good NOS stuff in there added depth, richness to the tone. Past that (and the capacitor mod, which helped a tiny bit), best thing I did was swapping out the tank. The new tanks seem to be all over the place in quality and tone. Luck of the draw. Mine was harsh, even after the other mods. Tossed it and used another. Huge difference. Great sound now. |
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Joined: Oct 12, 2008 Posts: 142 Houston, TX |
Posted on Oct 16 2008 07:50 PM
I've got a 6K6 NOS tube ready to go in my Reverb Unit. Does the unit have to be adjusted (bias?) when going from the 6V6 to the 6K6? |
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Joined: Sep 24, 2007 Posts: 2728
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Posted on Oct 16 2008 07:53 PM
This post has been removed by the author. Last edited: Sep 23, 2009 20:35:09 |
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Joined: Oct 12, 2008 Posts: 142 Houston, TX |
Posted on Oct 16 2008 07:59 PM
Hey thanks again zak! Sorry for all the questions. I'm just trying to do this correctly. You have been a great help as well as all the members here!!! I thank them for all their suggestions. |
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Joined: Nov 22, 2007 Posts: 901 Portland, OR
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Posted on Oct 17 2008 02:05 PM
Ummm....tell that to Fender then!! The reason the RI sounds better with the 6K6 is that the RI IS the original design which was for a 6K6. You can interchange the 6K6/6V6 and it will work either way (6K6 in RI or 6V6 in vintage unit) but in my opinion it sounds better if you use a 6K6 in either one (the way it was intended by design) or you change a resistor to rebias it properly for the 6V6 which Fender for whatever reason decided not to do.
Not according to Fender or they would have biased it properly with a different value resistor when they shipped it with the 6V6! |
Joined: Jul 10, 2007 Posts: 916 San Pablo, CA
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Posted on Nov 22 2008 09:34 PM
ok im going to free ride on this thread. i found this in some book i had. anyone try this? is this recommended ? it mentions that shim mod another member posted not so long ago.
-Zanti Instagram: |
Joined: Nov 08, 2006 Posts: 80 Vienna, Austria
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Posted on Apr 22 2009 05:02 PM
so theres and what are the other tube swaps i heard of? there should be some more than the 6V6 > 6K6 swap, shouldn't there |
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Joined: Aug 20, 2008 Posts: 654 California |
Posted on Dec 10 2009 04:51 PM
Anyone ever try the epoxy and wood shims mentioned above? |
Joined: Jun 26, 2009 Posts: 99 Austria
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Posted on Mar 30 2010 02:50 AM
Hi guys, I just did the "wood-shim-mod" to my brand new Reverb RI (made in U.S.A). And I'm amazed. The sound is much better now. Before I did it I had to turn up the Dwell and the Mix almost fully to get some decent verb - and it was muddy and had barely any defined drip. So I opened up the front and unhooked the pan to find out that the input transducer was loose. It could be jiggled up and down easily. So I simply jammed a piece of a toothpick between the top of the coil and the metal part. The result is great, all the muddiness is gone and the drip is awesome! —
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Joined: Mar 02, 2006 Posts: 11053 Berkeley, CA
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Posted on Mar 30 2010 06:13 AM
Welcome Irv78. Exactly, it's a simple and very effective mod. I've found that pans with loose transducers have a sort of flutter echo quality, not a smooth decay. It's worth the trouble for all of you reverb tank owners to inspect your pan at some point, wiggle the transducers (the little coils on each end) and if they move at all, try jamming a tooth pick in the gap on the bottom between the transducers and the metal plates they sit in then break off the tooth pick leaving the shim. I'm not convinced about the epoxy but I may try it on one of my pans just to see. —Danny Snyder Playing keys and guitar with Combo Tezeta Formerly a guitarist in The TomorrowMen and Meshugga Beach Party Latest surf project - Now That's What I Call SURF |
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