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DIY Amp for HE-6?

post #1 of 3
8/24/11 at 2:08pm
Thread Starter 

Since there are no commercial HP amps out there that put out the 8+WPC RMS @ 50ohms the HE-6 is recommended, are there any DIY offerings out there?  I've heard the Gainclone design is very similar to the Dark Star.  Anything else that puts out a similar amount butt-kick?

 

I have of course heard of Beta22s with 10X gain (2/3 CH.) or 5X gain for 4 CH. being able to power the HE-6 but just how much wattage would that put out and is there anything else?  Anything tube-based for example?

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post #2 of 3
8/24/11 at 2:42pm

The simple answer is it depends on your source. An unbalanced b22 can swing best case 15 volts which is 'only' about 4.5 watts. A balanced b22 doubles the voltage swing which then will put 4 times the power out, or 18 watts. You would have to tailor your gain to your source to get this maximum output swing. Also, if you actually put 18 watts into the he-6 you will probably go deaf - it will be 126 dB or so. A dynahi/dynamite would be other good solid state options.  

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post #3 of 3
8/24/11 at 3:02pm
Thread Starter 

Ok.  That pretty much means there's no practical alternative to a speaker-amp.  A 4CH Beta, if commissioned will cost me a lovely amount of cash.

 

What about this gainclone design?  Can it be tailored to deliver high power and is it any good? 

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