SKU: 52327991377

DYNACO ST-70 6GH8A / 6GH8 (PCB + NOS NIB matched pair ECF82 Telefunken)

Sale price$71.55 Regular price$79.50
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Description

DYNACO ST-70 6GH8A / 6GH8 (PCB + NOS NIB matched pair ECF82 Telefunken)DYNACO ST 70 6GH8A 6GH8 PC 3 DRIVER BOARD PARTIAL KIT (PCB + NOS NIB matched pair (two tubes) ECF82 Telefunken) 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

DYNACO ST-70 6GH8A / 6GH8 PC-3 DRIVER BOARD PARTIAL KIT (PCB + NOS NIB matched pair (two tubes) ECF82 Telefunken)

 

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 Telefunken in original boxes. Every pair is selected from the same batch with same date codes and tubes are real platinum matched pairs, tested on calibrated METRIX U61-B tester.

 

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.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 52327991377

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4.1 ★★★★★
Based on 6 reviews
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Verified Purchase
Soso
Dallas, US
★★★★★ 5
Great product!!!
Size: Mini
Great product. Great price. I like that it's foldable!!
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Reviewed in the United States on May 9, 2026
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Verified Purchase
Hn
Carnegie, US
★★★★★ 1
Not worth it
Size: Mini
The orange clasp that locks it in place is super faulty on the one I received. It folds at any point when trying to throw the ball. Not sure if I just got a defective one but I wasn’t a fan. Would rather get one at a pet store just to play it safe
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Reviewed in the United States on May 8, 2026
K
Verified Purchase
Kaycee
Battle Creek, US
★★★★★ 4
Not as sturdy as a regular one
Size: Mini
I was holding off writing a review about this because I wasn’t sure that it was going to hold up as well as a regular non bendable Chuck It wand. I have found I like the way it folds up and fits into my backpack nicely and also fits into my big purse when I’m out and about with my dog. You have to make sure the orange sleeve is over the screw part in the middle of the wand before you can throw the ball otherwise it’s not going to throw. It’s going to collapse. I’m not sure how long the durability is going to last that’s my only question about this product and I don’t know how long the screws on the elbow of it are gonna hold up but for now it’s been working great and we play with it every day and I’ve not had a problem with it. It’s just not as sturdy as a full size wand
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Reviewed in the United States on September 13, 2024
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Verified Purchase
Dana S Kroeger
Pawtucket, US
★★★★★ 5
Love this version of Chuck It beyond all before
Size: Mini
I had the longer bendable Chuck It before, well several, which broke down. They finally wouldn’t’ release the ball. Not disparaging Chuck It. They have been my furry puppy's favorite thing ever. I am grateful. But what I like and think is intuitive about this smaller design is 2 things: 1. I can do a more dynamic throw. 2. There are circle holes in the Chuck It Ball that come with it that I think allow for easier release and the ball can go father. Just my two cents.
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Reviewed in the United States on January 8, 2026
T
Verified Purchase
Tish
West Palm Beach, US
★★★★★ 3
Still Good to Use in a Pinch
Size: Mini
Love the Chuck it brand. This collapsible one is not my favorite. Everytime I chuck it, the orange lock does not stay in place. Plus, in my opinion, it doesn't have the oomph for the distance like the other medium ones. Still good though
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Reviewed in the United States on January 28, 2026

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