Ultron
Matched pair ECC83 SQ Ultron 12AX7 Philips NOS 100% tested very strong
Matched pair ECC83 SQ Ultron 12AX7 Philips NOS 100% tested very strong
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€299,95
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One Platinum Matched pair (2) tubes, ECC83 Ultron SQ Special Quality 12AX7.
Made by Philips in 60s. Big O getter.
Very strong examples, perfectly balanced sections.
Tested with 250V on anodes and -1.5V on grids (2.15mA is 100% value): (3.1/3.1) (3.0/3.1) mA
Tested in RIAA preamp for noise and microphonics.e.
