For sale a very rare pair of CV455-ECC81 tubes.

Old and very fine version of this tube type.

Featuring spot welded plates, coin base, copper posts, wrinkled glass, serrated top mica, big 45º D getter.

Printed black bottom codes:     ⃤  Z      ⃤  T       Made in March an August of 1952 at Philips factory in Copenhagen, Denmark.

                                                TkB    TkB

Both tubes tested with very strong values above common nos, close matched pair with excellent balanced sections:

13,5/13,2  ---  13,3/13,2   (12,5=100%)

Free of noise gas and microphonics

Registered priority postage with tracking code: 18€ worldwide.

will send as giift and 10€ value, save your money.

any question just ask

thank you