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Last modified 2023-10-03

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SRT CR-91 (Standard Radio & Telefon)

A picture of Standard Radio & Telefon AB (SRT) CR-91

SPECIFICATIONS

GENERAL
Type:HF receiver
Frequency range: 0.01-30 MHz
Tuning steps:1 / 10 / 100 Hz
Frequency stability:? ppm
Mode:AM / SSB / ISB / CW
Channels / memory management: 100 regular
RAM storage with battery backup
Power supply:Mains: 110 / 220 VAC
Current drain / power consumption:Less than 40 W
Antenna impedance / connector:50 ohm / BNC
Dimensions (W*H*D):483*133*330 mm (19.02*5.24*12.99")
Weight:12 Kg (26.46 lb)
Other features:RS232C. Scanning. Attenuator (20 dB).




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: ? MHz
2nd IF: ? KHz
Sensitivity:
Selectivity: USB/LSB
3 KHz (-3 dB)
Wide
6.8 KHz (-3 dB)
9 KHz (-60 dB)
Medium
1.5 KHz (-3 dB)
2.5 KHz (-60 dB)
Narrow
600 Hz (-3 dB)
1.7 KHz (-60 dB)
Very narrow
300 Hz (-3 dB)
1 KHz (-60 dB)
Image rejection:>100 dB
AF output power / speaker:2 W at ?% distortion / ? ohm
External speaker connector:4-8 ohm




MISCELLANEOUS
Manufactured:Sweden, 1982-1992 (Discontinued)
Additional info:
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
CR91R
FS92
SS91
Remote unit
FSK demodulator
Keypad controller
An inside picture of Standard Radio & Telefon AB (SRT) CR-91