SKU: 15827006044

DYNACO ST-70 6GH8A / 6GH8 PC-3 DRIVER BOARD PARTIAL KIT (PCB + Platinum Matched Pair Mullard ECF82 NOS NIB)

Sale price$68.39 Regular price$75.99
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Ships within 48 hours · Estimated delivery Jul 23 - Jul 28

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Description

DYNACO ST-70 6GH8A / 6GH8 PC-3 DRIVER BOARD PARTIAL KIT (PCB + Platinum Matched Pair Mullard ECF82 NOS NIB)DYNACO ST 70 6GH8A 6GH8 PC 3 DRIVER BOARD PARTIAL KIT (PCB + Platinum Matched Pair Mullard ECF82 NOS NIB) This is Dynaco ST 70 driver board PC 3. Its developed and designed to be drop in replacement and it follows original wire hole layout, but its 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

DYNACO ST-70 6GH8A / 6GH8 PC-3 DRIVER BOARD PARTIAL KIT (PCB + Platinum Matched Pair Mullard ECF82 NOS NIB)

 

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 single layer board with solder rings at the bottom layer.  Solder reflow process is done at the bottom layer and blue solder mask is applied at the bottom side. 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 or we can provide it.

In this KIT you'll get one brand new PCB and one NOS NIB matched pair (two tubes) ECF82 Mullard in original boxes. 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.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 15827006044

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4.4 ★★★★★
Based on 25 reviews
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yoyi
New York, US
★★★★★ 5
True pruduct! Like Magic!
Size: 4 oz Kit, Size: 4 oz Kit
Like magic!! Ived tried so many pruduct, specialy those lies on tick tock products, nothing but fakes. But this one is aswome and does what it says it does. Proof with pics attached. I have washe my car bith brush and has not fade or washed off. I only used 1 pass and looks like new! Worth every penny!!
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Reviewed in the United States on May 2, 2026
W
Verified Purchase
Wilrob
Belleville, US
★★★★★ 5
It really does the job!
Size: 8 Oz
This stuff actually works really well. It brought all my plastic back to life. And although I don't think it's designed to use on metal my toolbox is black and it looked faded and I did the toolbox with it and it looks brand new now. There's a die in this product that makes it last longer than most other products I believe. And if your plastics are really bad like some of mine were give it to treatments and you'll be amazed. You have to let it dry for a while it will be sticky depending on the climate for a day or so but it's pretty much dry it won't you know smudge or anything but it just feels sticky to the touch for a day or two. I've been through the car wash a few times since I treated it and it didn't hurt that new finished. I do recommend this product.
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Reviewed in the United States on May 20, 2026
B
Verified Purchase
Blake S
West Palm Beach, US
★★★★★ 5
Excellent results, easy to use, impressed!
Size: 8 Oz, Size: 8 Oz
I used the glide coat ceramic sponge applicators (it’s what I had) and the absorption was perfect. Application on trim pieces was super easy. Had to get a little particular around my mirrors and window trim (I didn’t tape, oops) I used 4-5 throwaway microfiber towels to wipe excess. Super pleased with 1st coat, may go back for seconds on my tonneau. I left each section to cure for about 7 minutes then wiped with towel. Leaves a nice matte finish that pulls out the sparkles in my Raptor trim. No sticky residue leftover.
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Reviewed in the United States on March 9, 2026
S
Verified Purchase
SAM
Alexandria, US
★★★★★ 4
Very good but over priced!
Size: 8 Oz, Size: 8 Oz
Great product and works very well. I was disappointed because of the high price and the small size bottle. But other than that it’s a very good product and makes my work van look clean, shiny clean. My van is white, but it was easy to clean it if I missed up. Good but over priced!
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Reviewed in the United States on January 29, 2026
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Verified Purchase
Rhi
Lowell, US
★★★★★ 5
Super good
Size: 4 oz Kit, Size: 4 oz Kit
Super easy to use and seems to dry quickly. I think it’s a great value for the price. I can’t say how long the results last for but the process is easy enough and the results are good enough that I’d be down for doing it every couple months. It dries black and made my trim look brand new. Honestly the hardest part was just taping around the side mirrors. You should definitely get this if you’re on the fence about it.
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Reviewed in the United States on March 24, 2026

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