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Steinhart tvp502e integrated amp
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<blockquote data-quote="Ampdog" data-source="post: 95821" data-attributes="member: 144"><p>In my search for complete KT90 data, I came upon this:</p><p></p><p>www.diyaudio.com/forums/tubes-valves/48210-kt88-vs-kt90-bench-test.html</p><p></p><p>Somewhat OT but perhaps of interest to fellow designers: Rich Walters is reliable audio electronics engineer of long standing. From other sources I gathered that the KT90 was a rather hurried entry into the audio 'super'-valve field, with no audio test results available. It is also quite expensive.</p><p></p><p>I favoured it for a high-end tube design, but no longer after the above. If one considers pairs/stage, 6L6GCs offers Pa=60W, Ia.peak=1A, heaters 6,3V @ 1,8A. For EL34 with higher allowed Va there will be Pa=50W etc.</p><p></p><p>I realise that this does not exactly fit the bill for the original request - still.</p></blockquote><p></p>
[QUOTE="Ampdog, post: 95821, member: 144"] In my search for complete KT90 data, I came upon this: www.diyaudio.com/forums/tubes-valves/48210-kt88-vs-kt90-bench-test.html Somewhat OT but perhaps of interest to fellow designers: Rich Walters is reliable audio electronics engineer of long standing. From other sources I gathered that the KT90 was a rather hurried entry into the audio 'super'-valve field, with no audio test results available. It is also quite expensive. I favoured it for a high-end tube design, but no longer after the above. If one considers pairs/stage, 6L6GCs offers Pa=60W, Ia.peak=1A, heaters 6,3V @ 1,8A. For EL34 with higher allowed Va there will be Pa=50W etc. I realise that this does not exactly fit the bill for the original request - still. [/QUOTE]
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