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Century-21 ; Seiki Electronics (ID = 539549) Amateur-R
Century-21 ; Seiki Electronics (ID = 539544) Amateur-R
Century-21 ; Seiki Electronics (ID = 539547) Amateur-R
Century-21 ; Seiki Electronics (ID = 539548) Amateur-R
Century-21 ; Seiki Electronics (ID = 314924) Amateur-R Century-21 ; Seiki Electronics (ID = 314925) Amateur-R
Century-21 ; Seiki Electronics (ID = 314926) Amateur-R
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Century-21 ; Seiki Electronics (ID = 314924) Amateur-R
Seiki Electronics: Century-21 [Amateur-R] ID = 314924 933x560
Select picture or schematic to display from thumbnails on the right and click for download.
For model Century-21, Seiki Electronics Inc.
Country:  Japan
Manufacturer / Brand:  Seiki Electronics Inc.
Year: 1977 ? Category: Amateur-Receiver (amateur bands, may include broadcast bands)
Semiconductors (the count is only for transistors) Semiconductors present.
schematic requested
Main principle Wadley-Loop principle (including dual superhet)
Wave bands Broadcast plus more than 2 Short Wave bands.
Power type and voltage Alternating Current supply (AC) / 220 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 cm = 3.1 inch
Power out
from Model: Century-21 - Seiki Electronics Inc.
Material Metal case
Shape Tablemodel, low profile (big size).
Dimensions (WHD) 335 x 152 x 250 mm / 13.2 x 6 x 9.8 inch
Notes General coverage receiver 500 - 30000 kHz, AM, USB/LSB; using wadley loop technique, 1 MHz - bands, linear analog readout, preselector.
Technically similar to Drake SSR-1 and very similar to Standard C-6500 .
Collectors' prices  
Source of data - - Data from my own collection

Model page created by Martin Bösch. See "Data change" for further contributors.

All listed radios etc. from Seiki Electronics Inc.
Here you find 4 models, 4 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.