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M84B

M84B; Elektromekano; (ID = 1931381) Receiver-C M84B; Elektromekano; (ID = 1931382) Receiver-C
M84B; Elektromekano; (ID = 1931383) Receiver-C M84B; Elektromekano; (ID = 1931384) Receiver-C
M84B; Elektromekano; (ID = 1931385) Receiver-C M84B; Elektromekano; (ID = 1931386) Receiver-C
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M84B; Elektromekano; (ID = 1931381) Receiver-C
Elektromekano;: M84B [Receiver-C] ID = 1931381 1000x750
Select picture or schematic to display from thumbnails on the right and click for download.
For model M84B, Elektromekano; København (Copenhagen):
Image taken from polish online auction portal .allegro.pl. Auction number: 5814837081
 
Country:  Denmark
Manufacturer / Brand:  Elektromekano; København (Copenhagen)
Year: 1945 ?? Category: Commercial Receiver (may include amateur bands)
Valves / Tubes 6: EF9 ECH3 ECH3 EBF2 ECF1 EL2
Main principle Superhet, double/triple conversion; ZF/IF 570/110 kHz; 2 AF stage(s)
Tuned circuits 13 AM circuit(s)
Wave bands Wave Bands given in the notes.
Details
Power type and voltage Other, details in remarks or not known.
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out
from Radiomuseum.org Model: M84B - Elektromekano; København
Material Metal case
Shape Boatanchor (heavy military or commercial set).
Dimensions (WHD) 610 x 372 x 430 mm / 24 x 14.6 x 16.9 inch
Notes

Power supply depend on installed module - 220V AC or 220V DC, or battery 6V or 12V or 24V or 30V.

Seven wave bands:

15kHz ÷ 240kHz

220kHz ÷ 545kHz

670kHz ÷ 1650kHz

1.5MHz ÷ 3.5MHz

2.9MHz ÷ 8MHz

7MHz ÷ 18,5MHz

16.5MHz ÷ 26MHz

Selectivity 2.2kHz ÷  7.2kHz

Sensivity: 0.2µV ÷ 4µV

This radio receive unmodulated telegraphy and SSB signal, modulated telegraphy, and AM modulation.

EF9 - RF amp

ECH3 - 1st mixer&osc

ECH2 - 2nd mixer&osc

EBF2 - 2nd IF amp, AGC and phono detector

ECF1 - AF amp, BFO osc.

EL2 - AF power amp

Net weight (2.2 lb = 1 kg) 30 kg / 66 lb 1.3 oz (66.079 lb)
Collectors' prices  

Model page created by Tomasz Szczesniak. See "Data change" for further contributors.



All listed radios etc. from Elektromekano; København (Copenhagen)
Here you find 6 models, 5 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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