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Specifications

Receiver
selectivity .........................

Receiver
spurious
responses ........................

Automatic gain control.......

2.1-kHz handwidth at 6 dB down, 5.3-kHz bandwidth at 60 dB down

Image rejection better than 40 dB. Internal spurious signals below one microvolt equivalent antenna input.

Audio output level does not change more than 20dB as the input signal is

Receiver
output level......................

Size ................................

.Weight.............................

change from 10 microvolts to 1 volt. Fast attack or slow release AVC action on voice and CW.

1.0 watt at AGC threshold

7-3/4 in h, 14-3/4 in w, 14 in d (19.69 cm h, 37.47 cm w, 35.56 cm d)

18 lb, 3 oz (8.25 kg).

6.4 TUBE AND SEMICONDUCTOR COMPLEMENT

Table 5-1. Tubes and Semiconductors.

SYMBOL	FUNCTION	TYPE
V 1A V lB V 2A V 2B V3A V3B V4A V4B V5 V6 V7	First microphone amplifier First receiver if amplifier vfo cathode follower Tone oscillator Microphone amplifier cathode follower Second receiver If amplifler Transmitter If amplifier VOX relay actuator First transmitter mixer Second transmitter mixer Receiver-transmitter rf amplifier	6 A Z8 6A Z8 6U8A 6U8A 6AZ8 6A Z8 6A Z8 6A Z8 12AT7 12AT7 6DC6

SYMBOL	FUNCTION	TYPE
V8 V9 V10 V11A V11B V12A V12B V13A Vl3B V14A V14B	Transmitter driver Transmitter power amplifier Transmitter power amplifier Beat-frequency oscillator Second merophone amplifier Crystal calibrator Crystal oscillator cathode follower High-frequency crystal oscillator First receiver mixer VOX rectifier (one diode), antiVOX rectifier (other diode) VOX amplifier	6C6G 6146A 6146A 6U8A 6U8A 6U8A 6U8A 6U8A 6U8A 6BN8 6BN8