General Radiotelephone SB-72

Make

General Radiotelephone

Model

SB-72

Year

~1963

Description

The General Radiotelephone model SB-72 is a 13 tube single sideband transceiver. General was way ahead of there times when they built this radio. This radio was one of the first SSB 11 meter radios in America. It has 24 channels with USB, LSB, and AM. The receiver is Dual conversion. It also has the great COLLINS mechanical filter! They only use one crystal for transmit and receive. Super nice radio!

Receiver Type

Superheterodyne

TX Channels

5 watts input

Freq Range

Citizens Band; 26.965 - 27.255 MC

Civil Air Patrol; 26.620 MC

Mode

AM

Power Input

12.5 VDC; Rec. 7.5 amps, Trans 8.6 amps

115 VAC Rec. 90 watts, Trans. 120 watts

Dimensions

5-3/8 x 10-1/8 x 12 inches

Weight

17-1/2 lbs

Tube Complement

v1 1st and 2nd Audio

WordPress database error: [Table 'acglydrh_otrwp23.wp_posts' doesn't exist]
SELECT post_title FROM wp_posts WHERE post_name = 'tube-12at7'

12AT7

v2 456.35 KC Osc and Cathode Follower

WordPress database error: [Table 'acglydrh_otrwp23.wp_posts' doesn't exist]
SELECT post_title FROM wp_posts WHERE post_name = 'tube-6ea8'

6EA8

v3 Audio Output and Detector

WordPress database error: [Table 'acglydrh_otrwp23.wp_posts' doesn't exist]
SELECT post_title FROM wp_posts WHERE post_name = 'tube-6al11'

6AL11

v4 DSB and SSB Audio Amplifier

WordPress database error: [Table 'acglydrh_otrwp23.wp_posts' doesn't exist]
SELECT post_title FROM wp_posts WHERE post_name = 'tube-6cw4'

6CW4

v5 Amp and DSB Audio Amplifier

WordPress database error: [Table 'acglydrh_otrwp23.wp_posts' doesn't exist]
SELECT post_title FROM wp_posts WHERE post_name = 'tube-6ea8'

6EA8

v6 Mixer

WordPress database error: [Table 'acglydrh_otrwp23.wp_posts' doesn't exist]
SELECT post_title FROM wp_posts WHERE post_name = 'tube-12at7'

12AT7

v7 IF Amplifier

WordPress database error: [Table 'acglydrh_otrwp23.wp_posts' doesn't exist]
SELECT post_title FROM wp_posts WHERE post_name = 'tube-6ar11'

6AR11

v8 Amp and Mixer

WordPress database error: [Table 'acglydrh_otrwp23.wp_posts' doesn't exist]
SELECT post_title FROM wp_posts WHERE post_name = 'tube-6ar11'

6AR11

v9 2nd Osc and Mixer

WordPress database error: [Table 'acglydrh_otrwp23.wp_posts' doesn't exist]
SELECT post_title FROM wp_posts WHERE post_name = 'tube-6ea8'

6EA8

v10 Channel Osc and Mixer

WordPress database error: [Table 'acglydrh_otrwp23.wp_posts' doesn't exist]
SELECT post_title FROM wp_posts WHERE post_name = 'tube-6ea8'

6EA8

v11 Amp Driver and RF Amp

WordPress database error: [Table 'acglydrh_otrwp23.wp_posts' doesn't exist]
SELECT post_title FROM wp_posts WHERE post_name = 'tube-6ar11'

6AR11

v12 Power Amplifier

WordPress database error: [Table 'acglydrh_otrwp23.wp_posts' doesn't exist]
SELECT post_title FROM wp_posts WHERE post_name = 'tube-6bh5'

6BH5

v13 DSB Mod

WordPress database error: [Table 'acglydrh_otrwp23.wp_posts' doesn't exist]
SELECT post_title FROM wp_posts WHERE post_name = 'tube-6aq5'

6AQ5

 

General Radiotelephone SB-72 from the collection of Paul SWL# 45