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Amp up FAOW #2
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Old 18th May 2019, 11:31 PM   #21
Jenghis is offline Jenghis
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Originally Posted by juanitox View Post
to confuse you a little more, i will add if you ll buy any of these big Vfets don't waste it for a sissy 5W amplifer . go directly to the Nelson 2SK77B type amplifier (burning amp 2015) it is a killing machine at 1W /5W or as high as your heatsink and power supply can go. .

a freak

Haha yes, I have considered the MOSFET version with schade feedback. A very serious amplifier with lots of voltage and current to make lots of heat.
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Old 19th May 2019, 04:46 AM   #22
xrk971 is online now xrk971  United States
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Amp up FAOW #2
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Originally Posted by Dennis Hui View Post
Try ebay. Another part to consider is 2sk182.

3.5V RMS output will only give you around 1.5W into 8 ohms with the mofo (or F4).
That’s why the AKSA Lender and Melbourne/Yarra preamps were designed for. No unobtanium and able to drive 25w amps to clipping (40Vpp) if desired.

AKSA's Lender Preamp with 40Vpp Output

The YARRA Preamplifier/HPA for Melbourne DB Group Buy
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Old 19th May 2019, 05:49 AM   #23
Jenghis is offline Jenghis
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Originally Posted by xrk971 View Post
Thatís why the AKSA Lender and Melbourne/Yarra preamps were designed for. No unobtanium and able to drive 25w amps to clipping (40Vpp) if desired.

AKSA's Lender Preamp with 40Vpp Output

The YARRA Preamplifier/HPA for Melbourne DB Group Buy
Funny you mention that, I was just reading about your Aksa Lender Alpha 20w amplifier. I like the fact it uses easily obtainable parts. Might be more practical for me since I may have difficulty sourcing parts for the other amplifiers discussed here (as much as I would love to build them).

Are PCB's available? I'm building a pair of your FAST RS225 speakers right now, so I bet it would be a good match. I don't need a lot of power. My listening space is small, and my listening levels are pretty modest.
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Old 19th May 2019, 07:41 AM   #24
xrk971 is online now xrk971  United States
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Yes, please order Alpha 20 from my shop.
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