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CRF-230 B

CRF-230 B; Sony; Tokyo (ID = 1287518) Radio
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CRF-230 B; Sony; Tokyo (ID = 537673) Radio
Sony; Tokyo: CRF-230 B [Radio] ID = 537673 854x700
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For model CRF-230 B, Sony; Tokyo
Country:  Japan
Manufacturer / Brand:  Sony; Tokyo
Year: 1972–1979 ? perfect model Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 48:
Reception principle Superhet, double/triple conversion; ZF/IF 1600-2200/455 kHz; Special type of reception - please describe.
Wave bands Broadcast, Long Wave, more than 2 x SW plus FM or UHF.
Power type and voltage Line / Batteries (any type) / 100; 120; 220; 240 / 6 × 1,5 D / 12 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
Power out 3 W (unknown quality)
from Model: CRF-230 B - Sony; Tokyo
Material Various materials
Shape Portable set > 8 inch (usable without mains)
Dimensions (WHD) 425 x 315 x 170 mm / 16.7 x 12.4 x 6.7 inch

Double conversion for bands SW2 to SW19, switchable fixed frequency 1st LO,
variable 1st IF tunes from 1.6 to 2.2 MHz. Variable 2nd LO. 2nd IF 455 kHz.
5-gang variable condenser for all tuned circuits
(2x RF, 2x 1st IF, 2nd LO; CV301-CV305 in schematic).
LW, MW and SW1 uses single conversion circuitry.
FM front-ends without RF preamplifier. FM-IF 10.7 MHz.
See also model CRF-230 with different FM front-end (has RF preamplifier).
Speaker: 2× 12×8 cm.

23 gammes. 4× FETS, 27× transistors réception, 17× auxiliaires. Différences avec CRF-230: 2 tuners FM, mais sans ampli RF (moins sensible que le CRF-230), SW1 1,6 à 4,2 MHz, sinon AM comme le CRF-230.

Net weight (2.2 lb = 1 kg) 14 kg / 30 lb 13.4 oz (30.837 lb)
Price in first year of sale 6,000.00 FF
Collectors' prices  
Source of data -- Original-techn. papers.

Model page created by Olivier Palix. See "Data change" for further contributors.

All listed radios etc. from Sony; Tokyo
Here you find 2833 models, 2526 with images and 581 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.