Scrap-lifier Project Pics

Here are some pics. I’ll give a brief description, but I haven’t got time yet to do a fully labeled diagram.

Here you can see the volume control (centre-left), the smoothing caps (centre, 10,000 uF @ 50V) and fuses and on/off (right).
The chasis is from an old mono 100V line voltage Public Address amplifier.
It’s currently running off a 20vac 200VA torroidal (yes, a bit small). I have plans for a +/- 10A 30V DC regulated power supply to be built and installed in the near future.

View from above. The torroid is just out-of-shot to the right, but you can clearly see the tube, caps and output chips on the heatsink.
Had no problems setting-up, no problems running it.
If the noise-floor got any lower, it’d fall into an underground secret military base.
It was a little ‘bright’ for the first day or so, but now nearly a week in (and ‘on’ 24/7) and it’s starting to sound very good; refined but with bite. Played Toccata and Fuge last night, and I could see every pipe in 3D.

More soon.

AA

About Alacrity Audio Limited

Designed and built in the UK, Alacrity Audio’s Caterthun loudspeaker systems offer unbelievable sound quality in convenient close-to-wall designs.
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