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Hey there all you reviewers out there.
I'm working on an experiment to compare a vintage receiver/speaker combination with a modern receiver/speaker combination and I want to be able to switch between the two systems on the fly.
That is to play the source and switch between the two systems in order to compare them as quickly as possible. However I am worried about blowing up the receivers or otherwise damaging them by doing what is essentially plugging in a component with everything on.
Is it even possible?
A simple A/B switch box will do the job. "Send it here, send it there". However, your larger issue is to match levels on both amps. Even a half dB difference will make one sound better than the other. I'd suggest using a test record/CD and a good SPL meter to match the levels at, say, 1000 Hz, at the exact position where you'll be listening.
Beyond that, there is the issue of speaker placement, since two pairs of speakers can't be in the same place at the same time, and we all know how some audiophiles can be when it comes to an inch or two of placement differences. ;)
The souce powers BOTH items at teh same time.
Use mute switches on the tested items or the actual volume controls.
Brilliant! One of those "right in front of your nose" solutions.
That will work!
Check out Audio by by Van Alstine.
They sure do! I wonder if they rent it out? A thousand clams is too rich for this kid's blood.
Or do a search - someone must have one to rent.
Short periods of listening are not really productive. Settle in and let the system talk to you. You'll soon learn which one you like more or you will learn that both are different but still enjoyable.
...but I would recommend comparing them differently.
Listen to one combination for a few hours with a variety of music, then measure loudness and switch.
Match loudness and repeat last couple of songs, then just listen for a while. Then switch back and listen.
This will tell you much more than quick switching.
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