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RE: KT88/6550 Reliability and Sound in Your Amp

This is easy.
Dynaco Stereo 80's. Many 1995 in USA.
515vdc plate.
Individual bias on all output tubes. Biased at 45 ma.
Great tight and powerful bottom end. Clarity in mids and higher freqs.
I use these because I sell them - wholesale and retail so it's good to know the product.
One quad has lasted almost 10 years now and use has barely dented readings for transconductance and bias drift.
I like these a lot.
You might too!


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