TelefunkenEL34usedMint Telefunken EL34 TK NOS Black Diamond Matched QuadUnable to find your favorite tubes? Well from a recording studios storage shelves, here are those hard to find Telefunken EL34 matched tubes. These were purchased from Viva Tubes years ago for bac...1375.00
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Mint Telefunken EL34 TK NOS Black Diamond Matched Quad

Listing ID: lisai4i7 Classified 
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Mint Telefunken EL34 TK NOS Black Diamond Matched Quad
Mint Telefunken EL34 TK NOS Black Diamond Matched Quad 2
Mint Telefunken EL34 TK NOS Black Diamond Matched Quad 3
Mint Telefunken EL34 TK NOS Black Diamond Matched Quad 4
Mint Telefunken EL34 TK NOS Black Diamond Matched Quad 5
Mint Telefunken EL34 TK NOS Black Diamond Matched Quad 6

dr210 

member since June 2022

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Condition
10/10
Payment methods

Contact seller after sale to pay viaExpress Checkout

Ships fromsafety harbor, FL, 34695
Ships toUnited States
Package dimensions4.0" × 4.0" × 6.0" (1.0 lbs.)
Shipping carriersUSPS or UPS
Shipping cost$20.00
Original accessoriesBox
AverageResearch Pricing

Unable to find your favorite tubes? Well from a recording studios storage shelves, here are those hard to find Telefunken EL34 matched tubes.  These were purchased from Viva Tubes years ago for backup studio replacement tubes.  They have only been removed from the box to verify condition, test and photograph.  They have not been used at all and are indicated as mint, though essentially remain new.  Each tube is in the exact same condition and packaging as they were received from the dealer who states: 

 
New Matched Quad of Cryogenically Treated Telefunken Black Diamond EL34-TK 
 
The EL34-TK has been designed to handle a slightly higher grid voltage than the traditional EL34. Offering a tight low end and smooth mids, it will bring new life to guitar and hi-fi amplifiers while retaining the historic tone Telefunken tubes have always been know for.
 
Testing & Screening
 
Fully tested, matched, screened and cryogenically treated by the Telefunken factory. 
 
Testing and/or Matching
 
Tested and/or matched at full operating voltage on a Maxi-Matcher tube tester for both Ip (Plate Current) and Gm (General Mutual Transconductance). We always TRY to match by 5% when we can (90% of them time) but our cut-off matching parameter is +/- 15%.
 
Cryogenically treated at the factory by Telefunken.

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