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Last modified 2024-01-11

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Ray Jefferson 660/ADF

A picture of Ray Jefferson 660/ADF

SPECIFICATIONS

GENERAL
Type:RDF receiver
Frequency range
depending on version:
Four band version
Beacon:   0.15-0.4 MHz
AM:   0.535-1.605 MHz
FM:   88-108 MHz
VHF:   145-174 MHz

Five band version
Beacon:   0.15-0.4 MHz
AM:   0.535-1.605 MHz
CB:   26.8-27.8 MHz
FM:   88-108 MHz
VHF:   145-174 MHz
Tuning steps:Analog / continuous
Frequency stability:? ppm
Mode:AM / FM / WFM
Channels / memory management:None
Power supply:12 VDC (Eight LR20 / D batteries)
or 12 VDC external
Current drain / power consumption:Max ? A
Built-in antennas:Rotatable ferrite bar (Auto or manual)
Two telescopic whips
External antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):? mm (?")
Weight:? Kg (? lb)
Other features:




RECEIVER SECTION
Receiver system: ? conversion superheterodyne
Sensitivity:
Selectivity:
Image rejection:
AF output power / speaker:? W at ?% distortion / ? ohm
External speaker connector:




MISCELLANEOUS
Manufactured:Japan, 19xx-19xx (Discontinued)
Additional info:
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
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