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Old 14th July 2013, 02:59 PM   #11
tinitus is offline tinitus  Europe
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Quote:
Originally Posted by AudioSan View Post
.... +/-65V rails???
realistic power........ 400Wrms at 4ohm.
maybe even a 4ohm load would close it down if pushed hard ?
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Old 14th July 2013, 03:12 PM   #12
jaycee is offline jaycee  United Kingdom
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Originally Posted by nano nano View Post
might be 1000wat PMPO
Pretty Meaningless Power Output
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Old 14th July 2013, 03:14 PM   #13
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i thinks,, namec just a joke if can out 1kw RMS ,,
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Old 14th July 2013, 03:21 PM   #14
mcd99uk is offline mcd99uk  United Kingdom
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Quote:
Originally Posted by jaycee View Post
Pretty Meaningless Power Output
what do you mean meaningless? Marketing types love it.
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Old 14th July 2013, 03:28 PM   #15
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Quote:
Originally Posted by tinitus View Post
maybe even a 4ohm load would close it down if pushed hard ?
Nah, ... maybe it can be done

How to make it real 500Wrms at 4 ohm?
Can we modified it?

So we can call it 1000Wrms stereo
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Old 14th July 2013, 03:35 PM   #16
jaycee is offline jaycee  United Kingdom
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What I dont get is that if you can get Sanken output transistors, presumably the MT-200 types, why on earth would you not be able to get better driver transistors than TIP41/2? VAS stage is another matter but even the MJE340/350 would work well here. And why diode biasing?
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Old 14th July 2013, 03:36 PM   #17
mcd99uk is offline mcd99uk  United Kingdom
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It looks like a subwoofer amp to me. Everything looks crude.

Then for that sort of output power would a triple EF not be a good idea?
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Old 14th July 2013, 04:02 PM   #18
brig001 is offline brig001  United Kingdom
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More seriously, would you want to operate an amplifier of that power with no protection against DC, short circuits etc. Wouldn't plug my speakers into it.

Brian
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Old 14th July 2013, 07:09 PM   #19
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stupid PA, i would rather to built BA1200 by APEX
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Old 15th July 2013, 04:37 AM   #20
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there power amplifier made in. indonesian
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