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ABY'ing Channels on Vox Heritage AC15

Stoney Stomp

Member
Messages
56
Hey there...
I recently gave up on my Orange AD30TC for a Vox Heritage AC15 and i'm not in the slightest bit unhappy about it! :) I love the tone and the new brightness and sparkle that it adds...even with my Les Paul.

I did have a question though and thought maybe someone here could help.
I've heard tale of some people using an ABY box to run both channels independently and together. I was curious to know if anyone knew how safe this was...and also, if there were any phasing issues?

Ideally...I'd love to use the Top Boost channel for mildly dirty/cleanish and then run it WITH the EF86 channel for my drive channel (because it's fantastic!) but keep the top boost running as well for some added sparkle.

can anyone offer any help here?

Thanks!
 

ruger9

Silver Supporting Member
Messages
9,421
I don't know about running the channels TOGETHER, but I would think you couls use an A/B box to run the channels independently without hurting anything.

Cool question, BTW! Never thought of that one on the AC15...
 

hamfist

Member
Messages
1,595
I used to run my Heritage AC30 (exactly the same pre-amps as your AC15) with an ABY box. it's completely safe, and will not damage your amp.
I never liked playing both channels together though. I don't know if that was just down to my personal preference or phasing issues. i suspect that the two channels are out of phase with each other.
 

mobis8

Member
Messages
611
I think that it is completely safe. I have even been told it is safe to play guitar through once channel, and run bass or even a mic for vocals in the other...
 

epluribus

Member
Messages
9,170
Got a schematic? Sometimes jumpering is good, sometimes it eats signal or loads your pups, sometimes it does nothing at all.

--Ray
 

distorted noise

Silver Supporting Member
Messages
689
try doing the input crossover. i did it and it sounds great. put one lead into the hi input of the top boost then into the low input of the first channel then plug your guitar lead into the hi input of the first channel. this should work and both volumes work together.
 

Kiwi

Silver Supporting Member
Messages
4,078
I used to run my Heritage AC30 (exactly the same pre-amps as your AC15) with an ABY box. it's completely safe, and will not damage your amp.
I am using an A/B/Y box with my Heritage AC30 as well. Works fine. I set the inputs, knobs and switches to deliver jangle clean on the TB channel and a gained up sound on the EF86 channel. You can run them together. Like a footswitchable two-channel amp now.

Enjoy!

=K
 

Stoney Stomp

Member
Messages
56
try doing the input crossover. i did it and it sounds great. put one lead into the hi input of the top boost then into the low input of the first channel then plug your guitar lead into the hi input of the first channel. this should work and both volumes work together.
Hmm..intriguing! just use a standard patch?
Thanks for that!
 

Stoney Stomp

Member
Messages
56
I am using an A/B/Y box with my Heritage AC30 as well. Works fine. I set the inputs, knobs and switches to deliver jangle clean on the TB channel and a gained up sound on the EF86 channel. You can run them together. Like a footswitchable two-channel amp now.

Enjoy!

=K
Do you dig the way the two channels sound together? no phasing issue?
 




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