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DYNACO ST-70 6GH8A / 6GH8 COMPLETE STUFFED PC-3 PHENOLIC LOOK DRIVER BOARD. This is Dynaco ST-70 driver board PC-3. You can find many quality NOS tubes of any of these types for normal prices and you can enjoy tube rolling with this driver board.
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Try a Quad in your ST-70, Marantz 8B, MArantz 9, QuickSilver MX-190 (Octet), or a Pair or Quad in your Marshall or any Guitar amplifier that uses El34 tubes. The sound of these El34s is romantic and warm, reminiscent of the NOS Mullard, in fact we think they are better.
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We have a collection of more than 15,000 original owners manuals, service manuals, and original dealer literature. Use the search feature to search for your make and model. -Original manuals often containlarge fold-out schematics.
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This has been upgraded to 6SN7GT tubes. Check pictures. Works perfect. Nothing to do but use it. Cover included. The 5AR4 tube is a Mullard. The 6SN7GTB's are Sylvania. The EL34's are GT.
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AS REQUESTED - DYNACO STEREO 70 HIGH END CAPACITOR UPGRADE KIT. MICAS TOLERANCE 5% MIN. BOTH CHANNELS OF THE ST-70 INCLUDING 2 NEW 50 OR 68 MFD 100 VOLT ELECTROLYTIC BIAS CAPACITORS CRUCIAL FOR LOW HUM SPECIFICATION.
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We have a collection of more than 15,000 original owners manuals, service manuals, and original dealer literature. Use the search feature to search for your make and model.
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2 X high quality socket adapters allows using a 6U8A/6EA8 or 6GH8A to replace the 7199 in the Dynaco ST-70. Compare to the price of 2 X 7199 tubes, if good ones can be found.
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