Pioneer SX 780 upgrade to the STK 0050 module II. Is it worth it?
This pioneer sx780 is being upgraded to the new STK 0050 module II , is it worth it? I will be comparing with the original Darlington STK's before and after with the new STK 0050 module II, more power? better sound?? watch my video and find out ....

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Marantz 2230 blowing main fuse and one fuse under the hood. find out why?

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Pioneer SX-880 with a short circuit...

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Is it Restorable? Pioneer SX-1980

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The HiFi Gear We All Wanted But Could Never Afford

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Which STK-0050 Is Best STK-0050? I Don't Know!

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Pioneer SX 780 vs SX 980: Which Receiver Should You Buy?

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pioneer SX 770 stored for 30+ years

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Pioneer SX-828 with serious issues/short circuit and blowing fuse every time.

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Little Motor Drive Repair

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Pioneer SA-6800 relay stays on protective mode...no sound

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Rescuing a Mangled Sansui G-22000 Stereo Receiver

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The QSC Amplifier Fan

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Making A Pioneer SX-838 Reliable!

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9 Secret Vintage Stereo Upgrades You Didn’t Know About… Until Now!

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Pioneer SX-5580 in for service, bias on the left extremely high

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Vintage Receiver Repair - finding a noisy transistor

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Bluesound Node 2 red light error

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YAMAHA's Professional Amp

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