Having acquired a number of ECC83 and 12AX7 valves for rolling in my Audiotailor jade, I find myself to have more than one of three types, this is because they were sold to me in pairs.
I have one Telefunken ECC83 with diamond on the base
These came to me tested on an AVO 163 Valve Tester, with the following results:
(1) 0.6mA...1.2A/V and 0.6mA...1.2mA/V.
(2) 1mA...1.5mA/V and 0.7mA...1mA/V.
I do not know which one is which and I do not posses a valve tester myself, so I cannot promise you which one of the two you will end up with, they sound the same to me.
I have one Mullard ECC83
These also came tested (same selle) on an AVO 163 Valve Tester and have the following results:
(1) 1mA...1.5A/V and 1.1mA...1.6mA/V.
(2) 0.9mA...1.6mA/V and 1.1mA...1.6mA/V.
As before I do not know which one is which, they sound the same to me.
Finally a Matsu****a CV492 12AX7 - I believe these were made for Mullard
These came untested and unboxed so I do not know if they are new or used or what test results they might have, again I do not own a valve tester. They are very clean and the print looks complete.
I am selling all three as used(presumed used in the matsu****a case), all will be sent in boxes.
I cannot tell them apart from the three I am keeping, so as far as I am concerned they offer matching performance to those, I am only selling them to reduce the cost of the rolling project which also includes other valves.
I am looking for £11 for the Matsu****a, £12 for the Telefunken and £19 for the Mullard, including postage to the UK, please inquire for international shipping.
This is half of what I paid for the pairs, I am not trying to make money, only reduce outlay by passing on unneeded parts.
//Jan
I have one Telefunken ECC83 with diamond on the base
These came to me tested on an AVO 163 Valve Tester, with the following results:
(1) 0.6mA...1.2A/V and 0.6mA...1.2mA/V.
(2) 1mA...1.5mA/V and 0.7mA...1mA/V.
I do not know which one is which and I do not posses a valve tester myself, so I cannot promise you which one of the two you will end up with, they sound the same to me.
I have one Mullard ECC83
These also came tested (same selle) on an AVO 163 Valve Tester and have the following results:
(1) 1mA...1.5A/V and 1.1mA...1.6mA/V.
(2) 0.9mA...1.6mA/V and 1.1mA...1.6mA/V.
As before I do not know which one is which, they sound the same to me.
Finally a Matsu****a CV492 12AX7 - I believe these were made for Mullard
These came untested and unboxed so I do not know if they are new or used or what test results they might have, again I do not own a valve tester. They are very clean and the print looks complete.
I am selling all three as used(presumed used in the matsu****a case), all will be sent in boxes.
I cannot tell them apart from the three I am keeping, so as far as I am concerned they offer matching performance to those, I am only selling them to reduce the cost of the rolling project which also includes other valves.
I am looking for £11 for the Matsu****a, £12 for the Telefunken and £19 for the Mullard, including postage to the UK, please inquire for international shipping.
This is half of what I paid for the pairs, I am not trying to make money, only reduce outlay by passing on unneeded parts.
//Jan
