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If you hook up two amplifiers to the same speakers is it basically ok as long as you ensure only one is powered on ... and if you made a mistake what would happen?
One SS, other tube
Follow Ups:
Here is my suggestion-
Yes you can hook-up 2 amps with 1 set of speakers.....but why?
You can do a lot of damage without even trying.
The load from one (the working) amp goes to the speaker BUT it can also continue on to the 2nd (non-working) amp and that can be trouble.Speaker selector switch...NO. Does not solve the issue/problem.
Audio Video Selector Switch Box Splitter...BINGO!
This how I compare amps....you connect your amps (input) to the selector box and you select which amp you want to use and the other amp(s) are in no way in trouble.
The output connects to your set of speakers.The speakers get the direct signal with NO potential of passing the signal on to any other amp.
It works, it is inexpensive and easy to hook-up.
Bottom line...do it this way and be safe.
That is my .02
Good luck.
music has the power to make you happy
Edits: 03/15/15
One mix up and its BLAMO!
ONe or two fried amps.
Oh yeah, I did that once and yes it did blow out both amps.
Sure you will be careful. But just once, and it will happen, is all it takes.
h
Because i can't leave the tube amplifier playing for the dog when I'm away, e.g. at work, that's why.
Why not just get another set of speakers? They're dirt cheap these days. If you can tolerate something new, Parts Express has a pair for $39.00. The sage minds at Stereophile even reviewed them. PE might even have a open-box pair for even cheaper.
If you do what you're suggesting, you'll short out one or both amps. Depending on the protection circuitry scheme, you might even set one on fire. You've obviously already discussed your scheme with you dog, but did you mention the possibility of immolation?
The 2 amps won't even "see" the speaker in the circuit. There'll only be a spark, or several sparks, and then amplifier failure. However, don't take my word for it. Try it out. However, I'd recommend leaving your dog with a kind neighboor while you conduct electrical science expirements.
The two amplifiers outputs must be separated using a speaker selector switch.
.
I have been cautioned against the idea, apparently if the speaker sees both amps at once, (in a non- biamping way), bad things can happen, can't remember what. Maybe best to get a switch that does not even allow for both to play at once, to avoid accidents?
"When the demon is at your door, in the mornin' it won't be there no more"
Steely Dan
Just use banana jacks on the speaker wires and manually plug them into which ever amp you want to use.
Even if you use a switch it only takes a quick contact and you will blow an amp out.
Yeah I guess I should have thought it through a bit more ... lolSometimes I don't mind asking a dumb question when there are folk who can quickly say ... use a speaker switch ;)
Now I think of it, if the SS was on it would see the tube amp as a (large - I suspect) inductive load (that and the speaker) ... doesn't that cause a Naim or Quad (?) amplifier to go radioactive?
The other way around I suspect you'd encounter a capacitor when not "dc" direct ... also not good but don't imagine it world cause anything to pop.
speaker switch
Edits: 03/13/15
Don't even do it with a speaker selector...just get another set of speakers
. I was in a situation where I have my home theater in the same room as my listening system, I ended up using a nice little pair of Minimus 7 for the home theater amp and running the big boys through my tube set up. Couldn't be happier...for now. LOL
"When the demon is at your door, in the mornin' it won't be there no more"
Steely Dan
For the amps which is set to the "off" position, it'll be a no load position. That means, the output stage'll have no load to work into. You'll have solder some goodly sized load resistors for each channel. Otherwise, depending on the amp design, the amps will either have unnessesary circuit stress and parts aging, or total failure.
OTOH, I always say that direct, personal experience is the best teacher. There's nothing like learning about electricity than sticking your finger into a live electrical socket to see what happens and test your wonderful ideas.
I did that once...when I was 3 years old.
You might be playing with fire, literally.
"When the demon is at your door, in the mornin' it won't be there no more"
Steely Dan
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