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Old 14th February 2003, 07:39 PM   #1
dc is offline dc
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Join Date: Dec 2001
Location: NYC
Default DIY equivalent to Bryston PowerPacs?

I'd like to build small amps for the top 3 drivers into the rear of a 5-way system I'm building. The subs will be monopole but upper bass through super tweeters will be dipole. Subs and upper bass will probably be driven by a K2 on each side.

My goal is to be able to produce 111dB at the listening position, which is 1m high, 2.5m away from source. Amplifier goals (perhaps too idealistic) are:
1. fully balanced
2. low distortion (preferably < 0.05% worst case)
3. at least 50W per channel (100-150W would be better for squawker)
4. small footprint

I've been looking at the Gainclone (especially the Gainclone-X and Bridged threads), and thinking this might be a great place to start. I'd place the power supplies in separate enclosures in my rack with power cords and Mogami balanced interconnects together in a tube out to the amplifiers, mounted to the speaker. I saw comments on the Peter Daniel thread re his Gainclone that indicate there is a need to damp these units from vibration.... Maybe they would not perform so well mounted to a baffle?

Attached is a table with some specs related to the chosen drivers.

Any thought would be appreciated.

Thanks.

Brad
Attached Files
File Type: zip amp suggestions table.zip (9.8 KB, 59 views)
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