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Teflon is one of the best dielectric materials out there, but we us them at RF/microwave frequencies. Maybe it's not as effective at low frequencies...oh well, at least those pesky radio towers won't mess up my signal!
Thanks for the link by the way
__________________ Headphones Sennheiser HD650, Audio Technica ATH-W2002, Sennheiser PX100, Sennheiser PX200, Sony MDR-SA5000 Amplification CK²III-D, 3-Channel ί22, SOHA+JISBOS (In Progress), Bijou (In Queue), Yamaha RV-1105 Source PC>Foobar>Hotrodded X-Fi, Cowon Audio X5 30GB, Marantz DV4600, Technics SL1200-M5G, Technics SL-DZ1200 Music Electronica, ambient, IDM, beats, fractal groove, psychedelic, progressive house/trance/breaks, jungle, cinematic soundscapes, avant-garde, abstract, minimal, sonic forms of beauty, light and darkness.
Looks like a good start tharenth! I agree with Eokboy...also you could go with a rocker switch instead of the toggle switch in the front. IMO they don't look too clean and takes away from it.
Good luck and welcome!
Thanks! I've been looking for a nice rocker switch but the problem is I want a round one (easier to make to round hole than a rectangular). A push button would also be nice but 2-pole on-off types are rare. Almost all they sell here are 1- or 2-pole momentary switches. And with my limited machinery it's a struggle to make >13mm diameter holes.
Originally Posted by Ech0
I wonder sometimes that from a distance my MMax is a bit too monochromatic from the front view. The switches, knobs... blend in maybe a bit too much?? Just a thought for when you're putting the finishing touches on your CKKIII.
You have a very good point there. I'll probably change the power switch and the volume knob to something nicer. I could also paint the screws... We'll see.
A general question: Do I really need heatsinks at the output transistors (Q12/13, Q25/26)? My original idea was to attach those trannies to the back plate of the enclosure, but I have yet to find a nice and clean way to do it.
Just finished my second beta22 build. The case is 3 inches high, but really a 2.5inch high case could work too. Shaft extender and knobs are from HiFi DIY Site - VT4C/211 Power Triode. This amp is configured with one pot attenuated input and another unattenuated input to use with a preamp. The internal divider has less-EMF shielding material taped to it.
Mazuki, nice work man, great looking beta build. even with the emf shielding, im a little surprised u arent having any issues with the trafo being SO darned close to those beta 22 boards - no issues tho? what dimensions are that case, its a par-metal one right?
Linear Mode
