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Last modified 2024-05-26

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Heathkit HD-1984 "Micoder II"

A picture of Heathkit HD-1984 ''Micoder II''
A rear picture of Heathkit HD-1984 ''Micoder II''

SPECIFICATIONS

Type:Electret hand microphone with auto patch encoder
Frequency response:300-3000 Hz (-6 dB)
Sensitivity:? dB (? Hz, ? cm)
Output level:Max 30 mV RMS
Output impedance / connector:Hi-Z / Open end
Power supply:9 VDC (6LR61 / PP3 battery)
Current drain:12 mA
Dimensions (W*H*D):67*95*44 mm (2.62*3.75*1.75")
Weight:255 g (9 oz), with battery
Manufactured:USA, 1977-1982 (Discontinued)
Other: DTMF keypad

New price, christmas 1977 in the US: $34.95
New price, spring 1978 in the US: $39.95
New price, fall 1979 in the US: $44.95
New price, fall 1980 in the US: $44.95
New price, winter 1981 in the US: $44.95
New price, christmas 1982 in the US: $49.95
New price, fall 1983 in the US: $49.95
Related documents:Schematic diagram (400 KB)
Modifications and fixes:
Reviews:
Applicable radios:Many
>An inside picture of Heathkit HD-1984 ''Micoder II''