SKU: 34216338286

DYNACO ST-70 6GH8A / 6GH8 COMPLETE STUFFED PC-3 DRIVER BOARD (Retro Phenolic Look) WITH TUBES (NOS Platinum matched pair of 6GH8A EI Philips)

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Description

DYNACO ST-70 6GH8A / 6GH8 COMPLETE STUFFED PC-3 DRIVER BOARD (Retro Phenolic Look) WITH TUBES (NOS Platinum matched pair of 6GH8A EI Philips)DYNACO ST 70 6GH8A 6GH8 COMPLETE STUFFED PC 3 DRIVER BOARD (Retro Phenolic Look) WITH TUBES (NOS Platinum matched pair of 6GH8A EI Philips) 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 6GH8 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

DYNACO ST-70 6GH8A / 6GH8 COMPLETE STUFFED PC-3 DRIVER BOARD (Retro Phenolic Look) WITH TUBES (NOS Platinum matched pair of 6GH8A EI Philips)

 

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 6GH8 / 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.

This is complete board! One brand new PCB, ceramic sockets, Hi Quality MKP coupling capacitors, silver mica capacitors, metal film, metal oxide and carbon oxide resistors and one NOS matched pair (two tubes) of 6GH8A EI Philips. 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.

All coupling capacitors are high quality MKP Metallized Polypropylene (PP) Capacitors. 120nF are used vs original 100nF, for a bit better bass response. Also silver mica capacitors are used, metal film, metal oxide and carbon resistors for good performance and lowest hum.

Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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SKU: 34216338286

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4.6 ★★★★★
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Allen Masi
Lowell, US
★★★★★ 5
This is a gorgeous pocketbook. You will enjoy it.
I absolutely love this pocketbook. It’s roomy enough for everything. I know some people said you could put a laptop in it. I do not see that really happen unless it’s something very small. The stitching on the sides of it prevent it from opening very wide, I love the color of the leather. I think it’s beautiful for the fall and winter months. I would definitely buy it again. I feel it’s a good value for the money.
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Reviewed in the United States on September 21, 2025
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Daisy
Battle Creek, US
★★★★★ 1
Iswee bag
The bag has dark shades in the corners. While the rest of the bag is light brown . Seller should replace
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Reviewed in the United States on March 18, 2025
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kathy eldridge
Belleville, US
★★★★★ 5
Excellent quality
Color: Coffee
Great purse
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Reviewed in the United States on April 10, 2026
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Amazon Customer
West Palm Beach, US
★★★★★ 5
A roomy leather tote
Color: Coffee, Color: Coffee
Firstly, the color of this bag was something I’ve been looking for awhile. I like that it’s structured and is just the right size to carry a lot of items without being too big. I was also impressed with the amount of pockets. I was going to buy a Portland Leather bag but learned they are unlined. Well this has lining. The stitching looks pretty decent, too. If you are looking to buy a leather bag for a good price, I’d pick one up now before tariffs kick in on leather goods!
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Reviewed in the United States on August 9, 2025
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Lucy Ray
Los Angeles, US
★★★★★ 5
Very Nice For The Price
Color: Nude
I wanted a plain neutral colored clutch purse to carry at a wedding. This was one is inexpensive, but does not look cheap. It will easily hold a lipstick, compact, small hair rush, and my phone. It comes with detachable chain that you can use if you want to, but I think it looks more dressy without it. I am sure this will suit your needs if you want a decent clutch purse that doesn't cost a lot of money.
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Reviewed in the United States on April 16, 2026

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