daisychain

[teanett]

i tried a two amp setup today.
first i used a splitbox, but didn't really like it. it clearly sucked tone, so i ended up
daisychaning the amps wich sounded better and felt a lot more natural.

how does it technically work? the original signal still reached the first amp (seemed like it to me) but what happens to the signal then, is the second amp affected by the first preamp? where does the split happen?

do u know? do u know? do u know?

[teanett]

nobody???

[John Phillips]

It taps off a part of the input signal via the resistors of the input jacks. The signal to the second amp is not affected by the first amp, and is still driven entirely by the source. There is a small amount of extra loading caused by running both amps in parallel, just as there is with a splitter box. It's marginally less because the two input resistors are in series with the signal going to the second amp, but small enough to not make a great deal of difference. The signal reaching the second amp is also marginally weaker than it would be if you were plugged directly into it, for the same reason.

[teanett]

hello john!

thanks for the info (again).

i can feel a difference. is there a way to get the full signal to the first amp?
going out from the line out of amp 1 (deluxe 2)creates humming in the second amp (classic 30). i guess this is a ground problem. can this be fixed? or do i have to get another rivera era deluxe?

the experiment with the highly rated lehle dual was rather disappointing.

[John Phillips]

You can get a full signal to both amps if you run them from a buffered splitter box, or even just with a buffered pedal in line before the normal splitter.

The reason using a conventional passive splitter changes the tone is because the input impedance of both amps is now loading the signal. A buffer will cure that.

BTW, are you talking about daisy-chaining - which is where you connect the inputs of two amps together, so each sees the same input signal - or slaving, where you connect the output of one amp to the input of another? (It sounds like the second, from what you said.)

Ground loops are a potential problem both ways, but more of a problem with slaving since the noise from the first amp is then amplified by the second.

[teanett]

i'm referring to daisychaining.
slaving results in a big hum in the second amp.

i will try a buffered pedal in front of the lehle.

should this work?:

fuzz-rotovibe (buffer)- od- splitter


thanks again.