E283CC Siemens triple mica NOS 1977 (Gm=1500/1700) (pin #4 shorter than other pins)
$ 79.99
1 low noise tube) E283CC Siemens triple mica NOS 1977 (pin #4=filament pin is shorter than other pins) original box
1.0ma / Gm=1500
1.3ma / Gm=1700
DIFFERENT PINOUT than a 12AX7, but is electrically equivalent to a 12AX7 with frame grid construction like a 6922
6.3V parallel filaments
very low noise
10,000 hour rating
recommended for:
- Studer J37
See more: vacuum tube
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