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Last modified 2024-05-26

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Heathkit HDP-21

A picture of Heathkit HDP-21

SPECIFICATIONS

Type:Dynamic desk microphone
Frequency response:? Hz (-6 dB)
Sensitivity:? dB (? Hz, ? cm)
Output level:? mV
Output impedance / connector:Hi-Z / Open end
Power supply:-
Current drain:-
Dimensions (W*H*D):? mm (?")
Weight:? g (? oz)
Manufactured:USA, 1962-1966 (Discontinued)
Other: This is basically a re-branded Electro-Voice 605

New price 1965 in the US: $29.40
Related documents:
Modifications and fixes:
Reviews:
Applicable radios:Many