CK512AX
The CK512AX (P/N 154-0114-00) is a flat-press subminiature pentode vacuum tube intended for use as audio or DC amplifier in wearable or portable instruments, "including hearing aids".
Used in
- 123 amplifier
Data
- Raytheon CK512AX Datasheet (PDF)
- CK512AX @ radiomuseum.org
Pictures
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Two CK512AX in a 123 amplifier (center, to the right of the case bottom)