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USAFA: Audigy 4 (roommate's computer) ---> DIY GB-150D-based integrated amp (stereo configuration, remote-controlled, power-on delay for output, and heavily class-A biased (3.9mA/channel) LM4562NAs used in preamp section) ---> Yamaha NS-527 (modified with Vifa 6 1/2" woofers, Panasonic film caps in crossover, and heftier internal wiring)
Ghey-C'97 (my piece-o-crap issued laptop) ---> PPAv2 (class-A biased AD8620 (2.5mA/channel), 8600uF pre-regulator, LM338 high-current regulator, 40mA/channel output bias) ---> Grado SR-225 (yes, I bring my headphones home from the Academy during leave)
How are you going to case the rest of it, or are we looking at the final product? Also, I notice you only used white phono jacks on the output; is there any reason for that? And how will things work out with non-rechargeable 9Vs? I was considering the Bugle for my eventual switchbox project (nothing in comparison to Steinchen's though), but settled with the much simpler VSPS. Anyway, kudos on the build. You always have fine work and photography.
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"Ears that hear and eyes that see - the LORD has made them both." Proverbs 20:12
Team University-fi | Team Edmonton-and-Surrounding-Urbanities(1)(2)
How are you going to case the rest of it, or are we looking at the final product?
That's all she wrote for now. And the inputs and outputs are labeled which negated the need to use color coded RCAs.
Also, as I said, eventually (read: soon) I'll build the matching power supply which will supplant the batteries. For now I'll burn through a set of batteries every ~15hrs or so which should serve as good motivation to get going on the PS.
I was actually considering doing something like this. I have a processor left over from a robot. Don't suppose I could sneak a peek at your code If not, no problem. Great build
The pushbuttons are from APEM. I ordered a bunch of them a while ago. When I started to build the switchbox they had been discontinued, that's why I had to restrict myself to 6 in- and outputs and wasn't able to utilize the full capability of boards and software. The buttons of this size (AV-06 series) are still available with domed top but unfortunately not with flat top. The AV-09 series is available both flat and domed, but those would be too large. Btw, one button is aprox 6 EUR ~ $9.
<snip>
Originally Posted by swt61
HOLY COW!
That's absolutely gorgeous steinchen!
Do you mind if I ask where you sourced those metal buttons?
Here's my latest little project, it's a Hagerman Bugle mounted on a wooden base made by me out of Cherry.
My eventual plans include the matching power supply but I want to try dialing in the cart (and possibly replacing it) first to see if I'm in it for the long haul with vinyl.
You deserve some kudos for your work too. Though that is a bad-ass switchbox Steinchen.
My recommendation, put a polycarbonate or clear acrylic box over it.
Linear Mode
