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PostPosted: Sun Jan 28, 2018 7:48 pm 
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Mark I

Joined: Fri Jan 26, 2007 7:10 pm
Posts: 48
Location: JMC Academy, Sydney
I have a IIC+ with reverb only.

When I plug a regular TS latching switch into the jack on the underside of the amp, switching it on and off just makes the reverb go between where it's set and then a little quieter. Not really turning it off.

Do I need a TRS jack on the switch?

My understanding is that the amps without GEQ just used a TS cable to switch the reverb.

Anyone been down this road?

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'in order to realise our creative visions, it is essential that we develop the craft of our instrument' - john petrucci


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PostPosted: Mon Jan 29, 2018 3:45 am 
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Mark II

Joined: Fri Jul 28, 2006 5:58 pm
Posts: 104
Location: Europe
I can check with my Mark III that also has reverb. I never tried switching the reverb as I mostly set and forget it. I will report when I get around to it.

Cheers Stephan


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PostPosted: Sun May 06, 2018 6:31 pm 
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Mark I

Joined: Fri Jan 26, 2007 7:10 pm
Posts: 48
Location: JMC Academy, Sydney
Just thinking now - I might need to use a TRS and have the REV closing on the ring

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'in order to realise our creative visions, it is essential that we develop the craft of our instrument' - john petrucci


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PostPosted: Sun May 06, 2018 8:49 pm 
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Mark II

Joined: Tue Mar 25, 2014 10:14 pm
Posts: 99
Location: New York City
A TS will do...what you have is the reverb circuit where the footswitch control doesn't turn the reverb on and off...it's actually a reverb pad of sorts. It lifts/inserts a series resistor on the reverb recovery tube cathode. This is the bain of all reverb complaints on late IIC+'s and Mark III's as well... A simple rewiring of this tube opens the reverb right up and will give you a true on/off.


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