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.

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Exchange/Return Notes
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SKU: 34216338286

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4.4 ★★★★★
Based on 5 reviews
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Verified Purchase
InspirationalReader
Pawtucket, US
★★★★★ 5
Great dog toy! Good quality!
Color: brown1
Great quality dog toy! The rope is thick and not easy to break. Fun toy for my medium-sized dog who loves to tug-of-war with me.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 30, 2025
E
Verified Purchase
Edilla
Houston, US
★★★★★ 3
For small dog
Color: brown4, Color: brown4
It's cute for the price, but it's meant for small dogs, it's very easy for medium-sized dogs to destroy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 10, 2026
R
Verified Purchase
Robert A.
Natrona Heights, US
★★★★★ 5
Small Pug Enjoyment For All!
Color: brown1, Color: brown1
We got this toy to replace an earlier purchase for a rope/squeak toy after finding he loved a holiday purchase by an Aunt which squeaked but was not really meant for tugging/heavy playing like he wanted too, for our half pug/schnauzer Mr. Pug. Compared to the first toy and the attempted replacement he ADORES this toy! As you can see in the above picture he has truly laid his claim to it! About the product in general though, we found it surprisingly sturdy all around, even with heavy tugging and aggressive play. The interior padding is durable it seems, and holes where the rope come out have a heavy duty padding for the target dog audience like ours in preventing him from chewing or tearing it up. The crinkly ears were also an enjoyable surprise for him, and the squeaker can move around the torso area of the toy keeping him actively looking for it when he desires it. All in all we would certainly get another toy like this in the future.
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Reviewed in the United States on January 25, 2025
T
Verified Purchase
the banquets are super nice and strong
Alexandria, US
★★★★★ 5
Perro
Color: brown1
A mi perro le encanto ese juguete, lo recomiendo
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Reviewed in the United States on March 30, 2026
D
Verified Purchase
doughbowlmaker
Waukegan, US
★★★★★ 5
Great wrestle or chewing toy for your pet.
Color: brown1
My 4 legged "little boy" loves to play, even at 10 years old but is getting a tad "over the hill" for chasing a ball. This toy has brought him (and me) many hours of fun as it can be played with in the house without chance breaking something (it is soft) and was fairly well thought out - being made with the "squeeker" in one end, and a couple of ropes sewn in to provide a "tug of war" when he is really feeling frisky. I've had it around 6 months and it has only incurred minor damage and really just normal wear and tear considering what it has gone thru. A great toy for the price that your pet may play with by itself, or one you can use to wrestle with it so you can be part of the action. When this one is finally torn apart, I will be buying another one (if the dog out lasts it), or I will bury my pet with this one if it out lasts him. It's that special.
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Reviewed in the United States on January 30, 2026

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