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Can I use a Y connector on pre-outs?

2738 Views 5 Replies 3 Participants Last post by  Otto
G
Hi: I want to use the volume controlled pre-outs on my integrated amp to feed the inputs on another amp and also to feed a pair of subwoofers, so can I use the left and right pre-outs and place a "Y" connector on each,so I have two outs from each, (left and right) or will I create a problem for my integrated? Thanks, Huck:dunno:
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That will be fine. Each side of the Y connector will realize a 3 dB drop in output, but you should be able to easily adjust for that with your level controls.
If you care about cable quality these splitters are very transparent and shouldn't degrade the signal:
http://www.musicdirect.com/products/detail.asp?sku=AMCTY01

Their benefits include: tight connection, teflon dialectric.
G
Thanks!! Huck
so can I use the left and right pre-outs and place a "Y" connector on each,so I have two outs from each, (left and right) or will I create a problem for my integrated?
Yes, you can use a "Y" adapter on this output. There will be no drop in output, as the preamp acts as a voltage source. The split signals are in parallel, and as such remain the same voltage since the current is quite low as a result of the rather large impedance mismatch between the preamp output (typically 100 ohms) and a power amps input (typically 10K to 50K). This type of interface is known as a voltage bridge and may be successfully split many times before any degradation is realized.

brucek
I was wrong about the 3db drop, then. My apologies.
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