- On sale!
- -8.00 USD
Pristine triode-heptode octal-based tubes manufactured in Holland by renowned Philips. These beautiful tubes are designed for use either as mixers, combined IF and AF amplifiers, or AF amplifier and phase inverter; heptode grid 1 being at top cap. They are glass shield coated with metallic red, and identified in black PHILIPS UCH4; coded on reverse side NR9 A01.
Data sheet
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