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Dyanco ST-70 (Will Vincent rebuild)

Price:  $1,000.00
Original Price: $1,200.00
Days/Views:  44 / 898 (Posted 2020-04-16)
Condition: 9/10 Excellent/Like New
Accessories: Original box
Seller:  rottenclam   (Contact Seller)
(Other Seller Items For Sale)
Feedback:  5.0/5.0

Will Vincent has rebuilt hundreds of these legendary Dynaco amplifiers over the years (over 400 by his latest count). This amplifier uses a quad of reissue Mullard EL-34 tubes that have been "matched". It is the original design (7199 input tubes) with some of the best components (Infini-caps), oil and paper caps, 1% resistors, all new filters and American made tube sockets. The RCA single-ended inputs and 5-way speaker terminals are also American-made. And yes, Virginia, of course this still has the original cloth-lead transformers!

It is also fitted with a IEC A/C connector so you can use high grade power cords. This particular ST-70 uses the "Star" grounding circuit for ultra quite service. The large meter is for quick Biasing and Monitoring at all times and takes less than a minute to Bias this amp. Last but not least, it will accommodate many different out-put tubes (KT-77 ,KT-66 ,EL34 ,6L6GC , 5881) because of a modified Bias circuit.

A beautiful color (Tiffany Blue?) with a creme colored base, it looks at home in a more playful household. Personally, I still believe that the Dynaco ST-70 has a place in all audiophile systems. I've owned 5 of them in the last 20 years. I will run them as reference amps, backup amps, have-some-fun-with-vintage-audio amps, etc. Unlike so much other sonic drek out there for 10x the price, these workhorse amps have truly earned their nodding approval from those in the know.

A solid thousand bucks takes it. I paid a little over $1200 3 years ago from Will.

The Dynaco ST-70: Live it, Love it, Listen to it. :)

Payment and Shipping
Pay By: Personal Check after it clears, Paypal
Ship Weight: 50 lbs.
Ships From: 87505 / USA
Ships To: USA Only
Shippers/Payer: Postal / Paid by: Split Costs
Shipping Notes: (none)

More Seller Info
Seller:  rottenclam   (Contact Seller)
(Other Seller Items For Sale)
Membership:  Audiophile (Contributor since 2020-05-10)
Asylum Feedback:  5.0/5.0
Location:  Santa Fe, NM,
Registered on:  2002-05-31
Posts:  175

Contact Seller


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