Looks good - I like the tough industrial look.
Another completed build to add to the Lineup
Looks good - I like the tough industrial look.
Another completed build to add to the Lineup
Agreed. And volume pot secions don't track either other perfectly, either. I like this option better than adding a separate balance control with associated high-impedance circuitry:
Bourns RK097221005C
A concentric dual-shaft 10k audio taper pot.
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I used 100k now but that may be too high. The balance does not shift that much turning the pot, only when I reach 'the edges' of the potmeter.
That is one spectacular die-cast case, widea! Gorgeous!
If your 100k pot is linear, you can parallel a 22k resistor, wiper to ground, to get a decent approximation of log taper. Of course it'll change the knob position for where you listen most often. But it does lower the output resistance.
Cheers
Gorgeous!If your 100k pot is linear, you can parallel a 22k resistor, wiper to ground, to get a decent approximation of log taper. Of course it'll change the knob position for where you listen most often. But it does lower the output resistance.
Cheers
Boards have arrived and are looking great
Next week I can get the rest of the components.
Almost ready for testing
Attachments
That´s a really nice build and DIY spirit though and through.
Goes to show that you don´t necessarily need a PCB when you know what you´re doing and with PCB its too easy anyway ;-)
Like that little enclosure too; reminds me that I have to drill a couple of holes in my chassis because it gets pretty hot after a while in a sealed enclosure!
Thanks Joensd!
I do have a lot of patience to think through the way I want to have it look and how to fit everything in the small enclosure but not the extra patience to design a PCB and waiting for it to return from the factory. I hoped for the amplifier to function properly but did not know for sure, modifying it is a lot easier with a piece of perfboard.
The components I used like the BC550C and BC560C I had in a box for many years and finally I got a chance to use them. Other components I just recycled. And the components I did not have I got from the only electronics shop left in the city where I live and from China like the perfboard. Example, the on/off switch at the front is very old and the 'housing' of the switch looks like it is made of bakelite plastic...
Anyway, this way I keep the costs fairly low and it stays a hobby.
So, for me thinking how to fit everything is fun, actually making it is the challenge and listening when all is done is the reward...
When you're about to drill holes I advice you to use light oil or WD40 as a lubricant for the drill.
Use a template (like an old piece of perfboard) and preferably new drill bits. And take your time.
Hahaha true, all true!And any modifications to a perfboard build don't stick out like a black eye!
A nice PCB, all pretty and solder-masked and component-designated, is a horrible thing to have to hack up.
Cheers
