Powerful pentode amplifier tubes capable of 45 watts output, manufactured by Philips in USA or Holland. These fine thick glass tubes with 7 pin UX7 bases, designed as audio amplifier or RF power amplifier/oscillator, come with gold pins, double top getters, thick mica and metal internal supports, and long gray plates. They are glass etched PHILIPS PE1/100 and printed on base BZ7 E31.
Data sheet
Powerful pentode amplifier tubes capable of 45 watts output, manufactured by Philips in USA or Holland. These fine thick glass tubes with 7 pin UX7 bases, designed as audio amplifier or RF power amplifier/oscillator, come with gold pins, double top getters, thick mica and metal internal supports, and long gray plates. They are glass etched PHILIPS PE1/100 and printed on base BZ7 E31.