Khron's Cave

Right, so i had been on the hunt for the cheapest way i could get a 1x12" or 2x12" guitar cab for a while now - mainly because i l...

Over on the Badcaps.net forums , a thread was started all the way back in 2010 , about power supply issues in these arguably "classic&q...

For background / context: https://mehlau.net/audio/multisub_geddes/ I had been off-and-on "hunting" for a twin, for my Jamo Sub ...

This just came in, with the symptom description of "will no longer turn on". Fair enough, sounds like a power supply issue then. A...

It took the best part of an evening and a couple hours the next day, but i managed to lift the schematic for the whole preamp board. I als...

This JBL Charge 3 came in last week in need of a micro-USB (charging) connector replacement. First thing i did was to look up how to take a...

My bandmate got his hands on this Joyo ZoMBie about a week or two back; it was sold as faulty. No idea how or why, but there's somethin...

A client brought in this Tivoli Model One the other day, with symptoms of (lots of) noise. Once again, i went against the mantra of "d...

A good buddy and neighbour of mine had one of his amps kick the bucket in the middle of a gig (one i was helping out on, as well). On the br...

I got this handed in by a local friend the other day. It was apparently bought in Singapore a good few years ago, hasn't been used in qu...

A local buddy just brought this German beastie in, citing a dicky DI output, and an unhealthy-sounding fan. Well, when i say "German&qu...

Since the "unofficial" theme of this blog seems to be repair, recycling and repurposing (more or less), i finally got around to ge...

So i had this old Fisher RS-1022 Studio Standard stereo receiver brought in, with one of the fuses in-line with the speaker outputs blown. F...