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Topic: Reverb in a Twin |
Bobby Nelson
From:
North Carolina, USA
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Posted 13 Feb 2019 12:35 pm |
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| I read somewhere on the forum (and can't find it now), that you can reroute the reverb circuit of a Twin Reverb into channel one, by rerouting the reverb input wire into the first channel input jack, giving you more control of the reverb circuit. It seems that this might make the reverb circuit a little more like a stand alone, 3 knob Fender reverb. Is this a worthwhile mod (or trick, as it may be). |
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Josh Yenne
From:
Sonoma California
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Posted 14 Feb 2019 12:16 am
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| Not really sure what you’re talking about on that modification. Obviously lots of people modify it so the reverb is in the first channel as well but I’m not really sure what you’re talking about. |
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Ken Morgan
From:
Midland, Texas, USA
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Posted 14 Feb 2019 6:42 am
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If you mean taking the wire from the tak itself and plugging it into channel 1 instead of the usual Reverb return jack, yes it works, but be careful with volume. It does give a different sounding event than the as-designed method...not better or worse, just different.
I’ve done it a Les Psul, found using the #2 input, worked better for me .
_________________
67 Shobud Blue Darling III, scads of pedals and such, more 6 strings than I got room for
Ken Morgan
Midland, TX |
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Bobby Nelson
From:
North Carolina, USA
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Posted 14 Feb 2019 11:28 am
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| Thanks Ken, I'm planning on giving it a try. |
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Kevin Mincke
From:
Farmington, MN (Twin Cities-South Metro) USA
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Posted 14 Feb 2019 1:07 pm
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| There is a mod you can do and was fairly popular back in the day when a couple instruments were using both channels (normal/vibrato) at the same time. I have it on one of my Twins (74) and it was done by the original owner shortly after he purchased it new along with the 15" Fender orange basket JBL. I'm not certain what is done to reroute to the left two "normal" inputs. |
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Mark McCornack
From:
California, USA
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Posted 14 Feb 2019 3:16 pm
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There is an interesting website called “fenderguru.com†where the author references this mod, as well as some other interesting things people do with Fender tube amps. Under the Vibrolux Reverb section, look for the paragraphs titled “Use normal channel for reverb control. Adjust EQ and depth of reverbâ€. Aside from this item that I believe directly addresses your issue, I think you’ll find some other interesting bits in there. Mark  |
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Brett Lanier
From:
Madison, TN
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Posted 14 Feb 2019 4:53 pm
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| You need an RCA to 1/4" adapter to do it, but yeah, you can do it. You could also experiment with putting a lower gain preamp tube in V1 when routing the reverb this way. It's pretty cool actually. Gives you some control over the eq on the reverb. |
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Mark McCornack
From:
California, USA
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Posted 14 Feb 2019 5:16 pm
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A nice thing about this little experiment is you don’t have to do any hard modifications to the amp or even pull the chassis. In fact, it’s not even really a “mod†to the amp at all. Very recoverable. Keeps your fingers out of lingering high plate voltages and other peril too!
If you do this experiment, please post as to what your results are and your opinion of this scheme.
Cheers,
Mark  |
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Steven Paris
From:
Los Angeles
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Posted 14 Feb 2019 8:42 pm
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Use normal channel for reverb control – Adjust EQ and depth of reverb.
Plug your guitar into the vibrato channel, then unplug the reverb return cable on the back of the amp (the one that comes from the reverb tank output) and plug it into the normal channel input. You will need a converter to go from male phono/RCA jack to a 1/4″ male jack. You may now use the normal channel as a reverb control where you can adjust the depth and tone using the volume, bright switch, treble and bass knobs (and mid if you have a Twin Reverb). The reverb knob on the vibrato channel will have no effect any longer.
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Emmons & Peavey |
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Bobby Nelson
From:
North Carolina, USA
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Posted 15 Feb 2019 10:04 am
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Thanks guys, as soon as I can find an RCA-14" adapter, I'm going to give it a try.
Mark, that was my thought exactly, as I don't plan on any "hard wired" mods on my Twin.
Steve, I think that this is the post I read somewhere - thanks. |
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Mark McCornack
From:
California, USA
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Posted 15 Feb 2019 11:28 am
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Yes Bobby, the above is a verbatim excerpt from the “fenderguru.com†web site I reffered to. Take a look at that some time. Loads of interesting little tricks and ideas of things you can do on Fender amps.
Mark  |
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Steve Spitz
From:
New Orleans, LA, USA
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Posted 15 Feb 2019 3:11 pm
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It sounds like a cool mod. Unfortunately, I had to have the reverb on both channels, so I can’t send reverb to a channel with reverb.
One cool feature of the two channel reverb mod, you can “ jump†the channels, and put a delay stompbox in between. Now the volume on the second channel controls the amount and tone of delay. It sounds great. |
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