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In Reply to: RE: How to improve a lousy receiver? posted by KanedaK on March 22, 2017 at 03:08:41
Forget the receiver, she most likely won't listen to radio anyway and get one of these. It's a Kenwood KA-4006, sweet little amp that can be found on eBay for a song. Nice aluminum faceplate and knobs, wood side panels, and did I mention it's oh so schveet sound?
Well thanks all for the (good) suggestions, and I'm fully aware there are better amps available, even for cheap (we don't have goodwill in Brussels tho).
However, the receiver is bought and shés getting it tomorrow.
As I enjoy tweaking electronics, I'm merely looking to improve this one in the meantime.
What's more, the receiver is 2x 80w / 8ohms which can be helpful with the 88dB JBL for those accusional party moments, so if I can make it a bit better for a few euros, I would try.
Next time try posting what your real objective is. Some of us were trying to save you from yourself; that is your trying to make a silk purse out of a sows ear. However, if that is what you want to do say so if you want advice on how to do it.
Well I thought it was all written in my first post, but maybe I wasn't clear enough, my apologies.
My feeling about hi-fi is that passive components are responsible to 50% of an amplifier (lack of) good sound.
I mean if you look at the difference between a 150$ amplifier and a 600$ amplifier (high-end being a different story of course), what differs most is the quality of the parts.
I'm not trying to make a bad amplifier turn into a good amplifier. I'm just trying to make this one a little bit better until she has the $ to upgrade.
Considering what I see inside the amp, improving on what's there should be too hard.
I've ordered some Nichicon FW main caps. Cheap enough, will replace 20 years old cheap generic caps.
If there's no change for the better, i will stop there and put the amp back on sale. If it makes a change, I might consider recapping all small lytics as well.
Spray all pots and switches with Caig D-100. Use silver grease on the fuse or Caig. Put a big, fat 10AWG powercord on it with a better plug like the popular, inexpensive P&S. If appropriate I would suggest the Elna Silmic ll capacitors where appropriate. Dampen the chassis and at least the large caps with Mortite rope caulk. Set it on a tripod of brass cap nuts. Change input resistors to something good. It seemed pretty clear what you were asking to me. Your new caps along with a power cord will make a big difference. T456
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