Kenwood TM-451A - Manual (Page 114)

Transmitter
TM-251A/251E TM-451A/451E
Power output
High 50 W 35 W
Mid Approx. 10 W Approx. 10 W
Low Approx. 5 W Approx. 5 W
Modulation Reactance
Spurious emissions -60 dB or less
Maximum frequency deviation ±5 kHz
Audio distortion (at 60% modulation) 3% or less
Microphone impedance 600 n
Receiver
Circuitry Double conversion superheterodyne
Intermediate frequency (1st/ 2nd) 45.05 MHz/ 455 kHz
Sensitivity (12 dB SINAD) 0.16 /jSJ or less
Selectivity (-6 dB) 12 kHz or more
Selectivity (-60 dB) 28 kHz or less
Squelch sensitivity 0.1 fjN or less
Audio output (8 ohms, 5% distortion) 2 W or higher
Audio output impedance 8 n
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