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Old 24th December 2012, 03:34 PM   #1
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Default Noob easy to build class a

...without adjustable trimpots.?
I would love to build a class a amp, but it would have to be really simple, I have only buildt a chipamp and a small cmoy and a riaa before, so even the F5 Looks scary with all the wires, thermistors and such.....any ideas?
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Old 24th December 2012, 03:49 PM   #2
Mooly is online now Mooly  United Kingdom
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Try the original (and I mean original) JLH69.

This link should work,
The Class-A Amplifier Site
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Old 24th December 2012, 05:45 PM   #3
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I do consider it. I see kk-pcb sells pcbs for it, does anyone have any experience eith this site?
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Old 24th December 2012, 05:48 PM   #4
Mooly is online now Mooly  United Kingdom
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The JLH is simple enough to construct with point to point wiring (to see if you like it).

I've no experience of the company you mention...
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Old 24th December 2012, 10:14 PM   #5
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29 Euros for a pair of small boards seems very expensive. You can purchase complete kits of parts for that sort of money. Here is just one example of what is available. Don't forget that you will need a well designed power supply for these types of amplifier and if you want to use PCBs for all your construction, you'll need one for that also.

2 x John Linsley Hood JLH 1969 Class A Amplifier Bare PCB | eBay
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Old 24th December 2012, 10:29 PM   #6
jaycee is offline jaycee  United Kingdom
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Also dont forget it's class A.. you need a BIG heatsink... bigger than youre thinking of... then twice that size. I hope it's cold where you live
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