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SE84 Diy Bridging to Mono (Read 1674 times)

rroot

Verified Member

Posts: 1

SE84 Diy Bridging to Mono
10/03/08 at 09:53:49

Hi
I recently purchased 2 diy amps and want to
bridge them to mono. The assembly manual is
not specific about how to bridge them.
I noticed in a review of the original zen he explained how to do it .
This sounds complicated. Is there a way when assemblying them to bridge them on the board , What I mean can you bridge the 2 output transfromers in series istead of at the speaker outs.
Can I use 4 ohm speakers. in that cofiguration.
If the above is not possible I still neeed to know how to bridge using the speaker outs.
Thanks for your patience .I'm long time tube fan but new to set building
Thanks Randy

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Steve Deckert

Administrator

If the 1st watt
sucks why continue?

Posts: 2217

Re: SE84 Diy Bridging to Mono
Reply #1 - 10/06/08 at 23:21:16

To bridge an SE84DIY you series or parallel (your choice) the speaker output jacks and use a Y-Cable to feed both input jacks. This could easily be done on the board with additional jumper wires. When bridged each channel of the amp effectively sees half of the speaker load, so an 8 ohm speaker becomes 4 ohm. The amp is stable all the way down to a dead short, and would be perfectly happy if it saw a 2 ohm load - so yes you could use 4 ohm speakers in that configuration.

-Steve

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Kaloyanr Verified Member Posts: 12	Re: SE84 Diy Bridging to Mono Reply #2 - 09/29/11 at 23:40:39 Can someone show at the picture how it make- parallel and serial. I have to be sure. thanks This is Parallel or serial?
Back to top	« Last Edit: 10/27/11 at 01:23:24 by Kaloyanr » IP Logged

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