Xenophon
500+ Head-Fier
- Joined
- Apr 15, 2013
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The 339 IS high end.
+1 I've seen amps from 'reputed' brands selling at 5-6 times the price opened up only to find lower grade components, shoddy and sometimes unsafe builds etc. The DV/LF amps are very good as far as quality goes but their marketing is a disaster, that's what keeps 'em down.
If you absolutely want to mod then I'd advise you to start studying electronics and go from there. On my 337 the power supply was upgraded, caps changed...but I don't know what the present 339 config is, except for the caps change that was mentioned. It's a good product as it is.