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-   -   1R capable D amp (http://www.diyaudio.com/forums/class-d/88203-1r-capable-d-amp.html)

supra 12th October 2006 11:39 PM

1R capable D amp
 
Are there any D class amps capable of full power into 1 Ohm?
I have a pair of horror 'stats. Some D class manufacturers make a big deal of load tolerant response , but the same amps cant deliver full power into 1 Ohm, which ok is a big ask. And to make it even more difficult the 'stats Z is problematic at high frequencies where the amps output Z rises.
Any comments?

luka 13th October 2006 09:02 AM

many of the are because of the high current that they can deliver, while not heating much.I thing people are using D-amps for subs, while they use bipolar for mid-high, where power si lower.

lucpes 13th October 2006 10:40 AM

UcD's are supposed to be tested with an 1R load before leaving the vendor (Hypex).

ssanmor 13th October 2006 11:23 AM

Coldamp modules are operational at 1 ohm also, until the current limit acts, at around 25A. That allows 300W aprox, doesn't worth the pain, imho. It is better to go to 2ohm at least.

tbr 13th October 2006 06:13 PM

I drove my 1R Apogee Scintillas with ZapPulse 2.2s, and drive them now with UcD 400s. No problems at all.

raintalk 13th October 2006 10:32 PM

Zapulse 2.3SE shows 1000W at 1R with +- 58V
http://www.lcaudio.com/index.php?page=70


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