DYNACO ST-70 6GH8 ECF82 Driver board PCB + matched pair 6GH8A EI Philips NOS NIB

Description

DYNACO ST-70 6GH8A / 6GH8 PC-3 DRIVER BOARD PARTIAL KIT (PCB + TUBES)
This is Dynaco ST-70 driver board PC-3. It’s developed and designed to be drop in replacement and it follows original wire hole layout, but it’s modified to use widely available 6GH8A / 6KD8 / ECF82 tubes instead of obsolete and hard to find 7199 tubes.  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.  It’s also modified to accept modern and NOS coupling capacitors of various types and dimensions.
It’s made of hi quality epoxy fiberglass FR4 material 1.6mm (0.062’) thickness, it’s double sided with solder rings on top layer.  Solder reflow process is done on both layers and also inside every hole and blue solder mask is applied on both sides.
All connections and elements on the board are silkscreened with original DYNACO numbering, so you can use original DYNACO ST-70 manual to complete it.
In this KIT you'll
get one brand new PCB and one NOS NIB matched pair (two tubes) of 6GH8A EI Philips in original EI boxes
. They are made back in 80s in EI tube factory, under Philips licence and with some of genuine Philips materials. They were intended for export, so they have passed strict quality control. Every pair is selected from the same batch with same date codes and tubes are real platinum matched pairs, tested on my calibrated METRIX U61-B tester.
Please note that I’m responsible for PCB and tubes only, and once soldered to, all warranties and guarantees are voided except where the quality of the board and tubes. Please note too, that you'll get just PCB and tubes, without sockets, resistors and capacitors.
DYNACO ST-70 Stereo 70 ST70 - 6GH8A 6GH8 PC-3A DRIVER BOARD PARTIAL KIT
(Brand NEW PCB + NOS NIB MATCHED PAIR 6GH8A EI PHILIPS)
I collect tubes and tube gear for more then 35 years and I start to sell recently, please be sure to check my other items and visit my store for more rare NOS tubes and parts.
If you buy any item on ebay from me and for if you are not fully satisfied for any reason or have any complains, please send me message before leaving negative or neutral feedback or opening a case. I really do care about your satisfaction and I’ll do my best to solve any kind of problem.
I have more than 250000 NOS tubes in stock and just small part is listed here, if you are interested in any specific tube or part, please send me message.
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