EXPIRED: FS: Matched Pair Telefunken E88CC

[MoveD]

Item Condition: Very good

Shipping Options: Shipping is available at agreed cost.

Suburb or Town: Sydney

State: New South Wales

Payment Method: Bank Transfer

Reason for selling: NLR

Further information:

 

2 x Telefunken E88CC with a diamond symbol on the base (see picture 4). Made in Germany and considered one of the best. Tested very strong:

 

Tube1 13500/14000 

Tube2 14000/14000

where 11000 is NOS 

 

Tube 1 has 342 & 334 printed on top, first number 4 & 2 not clear.  (See picture 3). Also what looks like x xxx02902y along the side, first few numbers worn off. (See picture 2)

 

Tube 2 has 015 & 016 printed on top, what looks like  8 5205103h along the side. I don’t know what all these codes mean but someone with the expertise could help.

 

If you don’t know already an E88CC, is the European designation for a 6922, and was made to be the industrial upgrade, to a ECC88. It is a higher spec'ed tube than the ECC88/6DJ8 ie; noise, microphonics, longevity, failure, higher voltages capabilities, to name a few. All these tubes are interchangeable.

 

Bought from a trusted eBayer with 100% rating. Sold to me as NOS and paid a handsome amount and getting more and more expensive. Testing was done and provided by the eBay seller. I have put less than 30 hours on the tubes. 

 

Will post Express nationwide $12.

Photos:

 

 

 

 

 

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Edited October 19, 2020 by MoveD

[Greg Orr]

any idea of year?

[Guest Benjet]

B  ->  Factory code: “B” = Berlin, “U” = Ulm
9  ->  Last digit of day
2  ->  Tens digit of day
0  ->  Tens digit of month (always zero or one)
6  ->  Last digit of year (1958–1978), tens need to be guessed
9  ->  Last digit of month
01 ->  Internal series number
D  ->  Internal batch number (may be missing)

 

in your case, the "8" is probably a B for Berlin.

Years look to be "0" and "5". but the codes don't suggest what decade (d'oh)!

 

They are Telefunkens with the diamond base so that's a great start. Tests are very close for the pair. I wouldn't get hung up about years too much. These sound great in any 6922, 6DJ8 application, especially in the PS Audio BHK Preamp.

Edited October 19, 2020 by Benjet

[MoveD]

@Benjet thank you for your explanation, much appreciated!

[xlr8or]

6 hours ago, Benjet said:

B  ->  Factory code: “B” = Berlin, “U” = Ulm
9  ->  Last digit of day
2  ->  Tens digit of day
0  ->  Tens digit of month (always zero or one)
6  ->  Last digit of year (1958–1978), tens need to be guessed
9  ->  Last digit of month
01 ->  Internal series number
D  ->  Internal batch number (may be missing)

 

in your case, the "8" is probably a B for Berlin.

Years look to be "0" and "5". but the codes don't suggest what decade (d'oh)!

 

They are Telefunkens with the diamond base so that's a great start. Tests are very close for the pair. I wouldn't get hung up about years too much. These sound great in any 6922, 6DJ8 application, especially in the PS Audio BHK Preamp.

Confirming Tube 1 was made XX/09/1962 and Tube 2 was made 25/01/1965 with both tubes made in the Berlin factory.

[MoveD]

@xlr8or thank you so much for your help Kirk! Very much appreciated!

[MoveD]

If it helps, Steve Hoffman himself is a big fan of these tubes. It was after reading this here I decided to try these teles: https://forums.stevehoffman.tv/threads/date-codes-on-telefunken-12ax7-ecc83.144564/

 

There’s talks about fake teles and obviously these are the real thing. I can absolutely attest to the SQ!

 

Edited October 20, 2020 by MoveD