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Audio and Video Talk
The Vintage Audio Section
NAD vs NAD integrated amp
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<blockquote data-quote="ingenieus" data-source="post: 993768" data-attributes="member: 13716"><p>Remember that the 3020i may be a classic but it was only ever a low budget entry model amplifier. The 705 seems more upmarket, going by the looks and remote control ability. I have never owned or heard one, though. I wouldn't bother with this as an "upgrade" but a classic is a classic. If you must, get the 3020i for its own sake.</p><p></p><p>Here is the 3020i circuit. It is fairly basic.</p><p></p><p><img src="http://p10hifi.net/planet10/manuals/3020i_schematic.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>The 705 circuit is a bit more sophisticated, It uses opamps versus the discrete transistors in the 3020i.</p><p></p><p>https://www.vintageshifi.com/repertoire-pdf/pdf/telecharge.php?pdf=Nad-705-Service-Manual.pdf</p><p></p><p>And that's my two cents worth that you are getting for free. </p><p></p><p>I had a 3020 back in the early eighties. Bought it for R199 at Hi-fi Installations in Sunnypark Centre, Pretoria. Good times! </p><p></p><p>Unfortunately I did not keep it very long - about two years I think. The upgrade bug bit and it was replace by three other amps. I really should have kept it... :roll:</p></blockquote><p></p>
[QUOTE="ingenieus, post: 993768, member: 13716"] Remember that the 3020i may be a classic but it was only ever a low budget entry model amplifier. The 705 seems more upmarket, going by the looks and remote control ability. I have never owned or heard one, though. I wouldn't bother with this as an "upgrade" but a classic is a classic. If you must, get the 3020i for its own sake. Here is the 3020i circuit. It is fairly basic. [IMG]http://p10hifi.net/planet10/manuals/3020i_schematic.gif[/IMG] The 705 circuit is a bit more sophisticated, It uses opamps versus the discrete transistors in the 3020i. https://www.vintageshifi.com/repertoire-pdf/pdf/telecharge.php?pdf=Nad-705-Service-Manual.pdf And that's my two cents worth that you are getting for free. I had a 3020 back in the early eighties. Bought it for R199 at Hi-fi Installations in Sunnypark Centre, Pretoria. Good times! Unfortunately I did not keep it very long - about two years I think. The upgrade bug bit and it was replace by three other amps. I really should have kept it... :roll: [/QUOTE]
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Audio and Video Talk
The Vintage Audio Section
NAD vs NAD integrated amp
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