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-   -   Siemens CCA, NOS matched pair! (http://www.diyaudio.com/forums/swap-meet/187225-siemens-cca-nos-matched-pair.html)

bequerel 17th April 2011 09:43 AM

Siemens CCA, NOS matched pair!
 
2 Attachment(s)
Up for sale is a matched pair of the famous Siemens CCa tubes.
Both are NOS, and test very strong:
Tube 1: 17.7/18.5 mA, amp. factor: 15.5/15 ma/V
Tube 2: 19/18.5 mA, amp. factor: 15.5/15 ma/V
Physically perfect! They come in white boxes.

USD $270 + $15 air mail shipping. Will pack well!
E-mail to whistler[at]pageone.no for more info!

radiostar 3rd August 2012 12:53 PM

Are they still available?

Tnx

bequerel 3rd August 2012 01:45 PM

Quote:

Originally Posted by radiostar (Post 3113635)
Are they still available?

Tnx

Yes, they are. :)
Please, note the slight difference between the letters on the two tubes. (Refer to the picture). That could mean that they come from two different production runs, however, they should be closely matched. (I am a DIYer, and not a tube collector.)

The tubes come from a large collection of CCA tubes that was salvaged from telecom equipment that was never put into operation, because of the advent of the transistor.

radiostar 3rd August 2012 03:04 PM

I saw the difference, thanks, actually I need them to compare with slightly used CCa Siemens I have in big qtys.

bequerel 5th April 2015 03:07 PM

I am bumping this in case somebody missed it a few years ago. I have no stress selling them, and will bump yearly from now.;)
The price for the tubes are $290 which is still very reasonable. Shipment is now $22 World wide.

bequerel 6th April 2015 02:58 PM

Reserved!

bequerel 7th April 2015 09:55 AM

SOLD and shipped! Thank you!


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