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<blockquote data-quote="Internet King" data-source="post: 121910" data-attributes="member: 549"><p>Analog Devices AD8610/AD8620</p><p> Cost, single: $8.00 (AD8610) Vmin, 0.5V into 33 Ω: 5.7V </p><p> Cost, dual: $13.33 (AD8620) Vmin, 2.0V into 330 Ω: 7.6V </p><p></p><p><strong>This is quite possibly the best chip for battery-powered amps</strong>, period. Its voltage tolerance is among the lowest of all the chips I mention here, it has good output current abililty, it has among the lowest supply current of any chip reviewed here, and above all it sounds good.</p><p></p><p>What does it sound like? Well, take the AD823, and remove some of the aggressive harshness. Add a bit of detail and smoothness from the AD843. That's the 8610. It's not a smooth chip, just not harsh. It's not the most detailed chip, but not heavily veiled, either.</p><p></p><p>This chip is rare in that it is only rated for a 26V supply. (Absolute maximum is 27.3V.) Another oddity is that it is only available in SOIC versions, so you need to mount it on a Brown Dog adapter to use it in amps that use DIP chips.</p><p></p><p>Bottom line: <strong>This is a contender for my favorite chip of all time, especially in battery-powered amps.</strong> When paired with an aggressive or very revealing system, this chip can be unpleasant. This chip is at its best complementing a smooth, laid-back system.</p><p></p><p><a href="http://tangentsoft.net/audio/opamps.html" target="_blank">http://tangentsoft.net/audio/opamps.html</a></p></blockquote><p></p>
[QUOTE="Internet King, post: 121910, member: 549"] Analog Devices AD8610/AD8620 Cost, single: $8.00 (AD8610) Vmin, 0.5V into 33 Ω: 5.7V Cost, dual: $13.33 (AD8620) Vmin, 2.0V into 330 Ω: 7.6V [B]This is quite possibly the best chip for battery-powered amps[/B], period. Its voltage tolerance is among the lowest of all the chips I mention here, it has good output current abililty, it has among the lowest supply current of any chip reviewed here, and above all it sounds good. What does it sound like? Well, take the AD823, and remove some of the aggressive harshness. Add a bit of detail and smoothness from the AD843. That's the 8610. It's not a smooth chip, just not harsh. It's not the most detailed chip, but not heavily veiled, either. This chip is rare in that it is only rated for a 26V supply. (Absolute maximum is 27.3V.) Another oddity is that it is only available in SOIC versions, so you need to mount it on a Brown Dog adapter to use it in amps that use DIP chips. Bottom line: [B]This is a contender for my favorite chip of all time, especially in battery-powered amps.[/B] When paired with an aggressive or very revealing system, this chip can be unpleasant. This chip is at its best complementing a smooth, laid-back system. [url]http://tangentsoft.net/audio/opamps.html[/url] [/QUOTE]
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