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FDP Forum / Fender Amps: Vintage (before 1985) / Y Splitter for Speaker Cab?



Oct 5th, 2016 04:59 PM   Edit   Profile  

Anyone see a problem with using a Y Splitter into the input jack of a Bandmaster 2X12 speaker cab so that two amps can share it. Not planning on using both amps at the same time. Bandmaster Reverb Amp would be connected as usual to the cab with one cable, a Pro Reverb Ext. Speaker jack connected to the same input of the Bandmaster cab using the Y Splitter with a second cable. Depending on which amp I'm using at the time I would be using the 2X12 cab.

Contributing Member

So. Cal. USA

Oct 5th, 2016 05:16 PM   Edit   Profile  

Yes I do see a problem. You need to disconnect the head not being used otherwise you will be sending the output of the amp in use to the output transformer of the amp not in use.

I don't like these hookups, two amps one cab. Even when controlled by switches, not just Y cables, eventually a mistake is made and the smoke is let out of something.

The only way to do this right is with a complete disconnect and only one speaker cable connect to the cab at a time. No Ys, no switches, just one cable to swap between amps and the cabinet.



Oct 5th, 2016 05:37 PM   Edit   Profile  

So even though the one amp isn't powered up the signal from the second amp can damage the output tranny anyway. I'm not positive but I vaguely remember reading something about this years ago but it was a long time ago and honestly I don't remember the advice.
Swapping the cable from one amp to the other is what I've been doing and it's not a big deal just a little hard to get at because the amps are close to the wall. Maybe I should mount a mirror behind the Amps so I can see the jack to get the cable plug into a little easier. I was looking for an easier way to do this,
A good thing I asked before trying it. Thanks Hammond101

(This message was last edited by roadhog96 at 07:38 PM, Oct 5th, 2016)

Contributing Member

Cincinnati, USA

Oct 6th, 2016 07:21 AM   Edit   Profile  

Agree with Hammond101 all the way!



Oct 6th, 2016 04:18 PM   Edit   Profile  

"Flirtin' with disaster".


Omaha, USA

Oct 12th, 2016 09:53 AM   Edit   Profile  

I have seen hot smoke and sassafras when my buddy did that.
So, don't do it!

Steve Dallman
Contributing Member

Merrill, Wisconsin

Age is just a number...mine is big
Oct 15th, 2016 08:25 AM   Edit   Profile  

Very, very bad idea.



Oct 15th, 2016 09:16 AM   Edit   Profile  

Not to worry, that idea was tossed after the first post from Hammond101. Not going to chance causing any damage just for the sake of convenience. Physically swapping the speaker cable is what I'm going to continue doing. Thanks for everyone's feedback.

(This message was last edited by roadhog96 at 11:17 AM, Oct 15th, 2016)



Nov 13th, 2016 10:17 AM   Edit   Profile  

@heynorm- nice Bubble Puppy reference!

FDP Forum / Fender Amps: Vintage (before 1985) / Y Splitter for Speaker Cab?

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