Manufacturer and factory: Siemens Munich
Code: A4 9J
Year of production: 1969
Structure's features: double stage getter, silver shield, gold pin
Rating : 1
Original package : yes
A high quality alternative to the Telefunken
A4 last Munich factory production MAKE ATTENTION : same as CCa inside !
Very low microphonic, high defined and transparent midrange, test on average of the highest level.
PRICE FOR PAIR IN PERFECT MATCHING (2%) !
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