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Last modified 2023-06-06

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Hammarlund Super-Pro SP-400-SX

A picture of Hammarlund Super-Pro SP-400-SX

SPECIFICATIONS

GENERAL
Type:HF/VHF receiver
Frequency range:1.25-40 MHz
Tuning steps:Continuous
Frequency stability:? ppm
Mode:AM / CW
Channels / memory management:None
Power supply:6.3 VAC, -50 VDC, +100 VDC, +250 VDC & +380 VDC from separate PSU
Current drain / power consumption:180 W (Average)
Antenna impedance / connector:~100 ohm / Screw terminals
Dimensions (W*H*D):546*311*387 mm (21.5*12.25*15.25")
Weight:30.4 Kg (67 lb)
Other features:ANL. Bandspread.




RECEIVER SECTION
Receiver system: Single conversion superheterodyne
IF: 455 KHz
Sensitivity:
Selectivity:
Image rejection:
AF output power / speaker: Early versions: ? W at 10% distortion / 600 and 8000 ohm (6F6 audio output tubes)
Later versions: 8 W at 10% distortion / 8 and 500 ohm (6V6 audio output tubes)
External speaker connector:




MISCELLANEOUS
Manufactured:USA, 1946-1948 (Discontinued)
Additional info:
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
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