All CCa tube are always certified for special high reliable telecommunication use.

You bid on a pair near NOS
two (2) original tubes from
Siemens Halske CCa

post tube CCa = selected quality
(E88CC - 6922 - ECC88 replacement)

German 70's production,
silver shielded, triple mica construction!

 tubes with same serials , goldpins !
 (for further details, see my pictures)

perfect values, high sensitive,
NOS Emission, excellent sound!

All Triodes >>  10 mA (Ia = 10mA = 100%at 100 Va & -1,9 Vg1)
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All Measuremets made on my
military Tube Tester AVO 160:


DETAILS: all Systems above 120% !!! @

100V a -1,9 V g 6,3V f

Highlighted
are the actual gradings of the set!

tube gradings  EXCELLENT      Mint     Very Good
Quality Sealed    NOSNIB  slightly USED
Rarity extreme RARE   Rare common
Emission >= 100% =100%   80-100%
Appearance Collector's item  perfect wiped/blurred

 

 

 


Please have a look at my
other Vintage tube auctions

I shipp worldwide by registered airmail 19 US$,
Europe 12 EURO
Asia 25 US$ registered airmail and with insurance.

Shipping within 3 working days -
good communication guaranteed!

In case of actuality:
I give no guarantee on measurements or different values measured on other tube testers or analysers.
Just in case of mismatch of "standard" values of the different tube testers "standards": my measurements refer to tube data sheets shown by the ancient tube producers.
(You'll find them easily on the net.)

This is a private sale, no guarantee, no returns.
Please refere to my TOP ebay ratings -
all Tubes were measured and tested in High End Audio Amps 
- I'm selling no rubbish!


 

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