yes, they do bear a resemblance. But they're Haufe trannies. This one is the first type Filtek, before it was called Filtek.
they need new caps. Going to drop in Panasonic FC.
These are a bit sweeter than the MK3d (picture below) I got. I want to put 16 Filteks in my desk. Not sure which ones. Go all Filtek MK3d? Or also 4 of these? I'll have to sell the rest. Someone suggested 24 channels, that is also possible if I win the lottery.
Just for the heck of it (I'm duplicating CDs and I'm bored), here's the inside of something cheap... An SM Pro Audio PR4V mic preamp, a real el-cheapo, just bought it to see what it will do and as an emergency backup...
Here's one of my 50 watt universal bias protos, teflon wire throughout, hand bent and cut .1" aluminum chassis, designed with layout upside down and backwards so tubes are upright and jacks are on the left (all by me of course) and filter caps on the inside. It sounds great through a 4-12 cab:
Have you guys seen the photos of the guts of the Elysia compressors (the Alpha and the Mpressor)? Go to elysia: HIGH END AUDIO and click on each product, then on the TECHNOLOGIES tab. You can click on the little photos scattered through the text to see big glorious photos of the insides of these things. Really well done.