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Channel: replacement – RETROVOLTAGE
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Fixing a Dumpster Laptop – Dell Inspiron 1545 with Broken LCD Screen [Step by...

My apartment has what I like to affectionately call the “free pile”, where neighbors leave things they were throwing out but might have too much value to throw in the compactor outright. I’ve left a...

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Bose 901 Series 1 Active Equalizer Repair [Vintage Hi-Fi]

(Looking for info about having your own equalizer repaired, or want to buy parts to fix it yourself? Bose 901 Active Equalizer Repair Page) 07/25: While some other projects have been pending...

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Bose 901 Series 1 Equalizer Repair (Deux)

A client recently engaged me to repair his Bose 901 Series 1 equalizer. This second one was in a bit worse shape electrically than the previous one I’ve written about, with one channel entirely dead...

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Thrift Store Jamo MPA-101 Repaired – She’s Back Up and Running!

I started working on a Jamo MPA-101 amplifier back in August for a friend and after some early work it sat for a while. He’s re-doing his audio system at home so I spent a few hours to finish...

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Harmony H500 Solid State Guitar Amplifier Repair

And now for something a little different, this time it’s a vintage guitar amplifier: the Harmony H500. The owner sent it to the shop out of the cabinet to be serviced since it quit putting out any...

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Bose® 901 Series IV Active Equalizer #221114 Repaired

From the Rain City Audio Repair Blog: Another Bose® 901 Series IV Active Equalizer came through the shop, this one serial #221114. It’s owner reported that it had lost one channel, so it was clearly...

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