RCA TT-5 Tube List

Early Electronic Television

RCA TT-5, RCA TRK-5, Westinghouse WRT-700 and WRT-701 Tube List

Television: Five channel (50-90 mHz) superhetrodyne. 5 inch CRT (5BP4) tetrode. Electrostatic focus and deflection, approx. 30 degrees. The TT-5 amd WRT-700 have only low level audio output.

Radio (TRK-5 and WRT-701 only): Short wave (7.0-22 mHz), medium wave (2.3-7.0 mHz), and standard broadcast (540-1720 kHz) bands.

Television Chassis

Function	Quan.	Type	Notes

Oscillator	1	6J5
Mixer	1	6AC7
Video IF amplifier	2	6AC7	Video (9.5-12.75 mHz), audio (8.25 mHz)
Video IF amplifier	1	6AB7
Video detector	1	6H6
Video amplfier	1	6V6
Sync separator	1	6N7
Horizontal (line) oscillator	1	6N7
Horizontal (line) output	1	6F8
Vertical (frame) oscillator	1	6N7
Vertical (frame) output	1	6N7
Audio IF amplifier	1	6AB7	8.25 mHz
Audio detector/amplifier	1	6B8
Rectifier (HT)	1	5V4
High Voltage (EHT)	1	879	2500 VDC

Radio Chassis (TRK-5/WRT-701 only)

Oscillator/mixer (frequency changer)	1	6A8
IF amplifier	1	6K7	455 kHz
Detector, AVC, audio amplifier	1	6Q7
Phase inverter	1	6J5
Audio output	1	6K6
Tuning eye	1	6U5

Radio Power Supply Chassis (TRK-5/WRT-701 only)

Rectifier

5Y3