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Andrea 1-F-5, 2-F-5, KT-E-5 Technical Information

 

Television: Two channel (50-90 mHz) superhetrodyne (some sets had three channel tuners). 5 inch CRT (5AP4) tetrode. Electrostatic focus and deflection, approx. 30 degrees.

 

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 detector

1

6H6

Video amplifier

1

6AG7

Some sets used 6V6
Sync separator

1

6AC7

Horizontal (line) oscillator

1

6N7

Horizontal (line) output

1

6F8

Vertical (frame) oscillator

1

6N7

Vertical (frame) output

1

6F8

Audio IF amplifier

1

6AC7

8.25 mHz
Audio detector/amplifier

1

6SQ7

Audio Output

1

6V6

Rectifier (HT)

1

5V4

High Voltage (EHT) 

1

2Y2

2500 VDC

Click for alignment instructions