Japanese Antique Vacuum Tube Radios 1-4

230.NATIONAL "R-45"



Made in 1936, 4tubes straight receiver.
Tubes : UZ-57, UZ-57, UY-47B, KX-12F (ST tubes)

231.NATIONAL "Type Unknown"



Made in 1937, 4tubes straight receiver.
Tubes : UY-56, UX-26B, UX-12A, KX-12F (ST tubes)

233.HERMES "Type Unknown"



Made in 1936, 4tubes straight receiver.
Tubes : UY-24S, UY-24S, 3Y-P1, KX-12FK (ST tubes)

238.NATIONAL "R-4D3"



Made in 1938, 4tubes straight receiver.
Tubes : UZ-58, UZ-57, UZ-2A5, KX-80 (ST tubes)

241.NANAOLA "44A",No.1



Made in 1935, 4tubes straight receiver.
Tubes : UY-224, UY-224, UZ-247B, KX-112B (ST tubes)

Typical circuit.

245.NATIONAL "R-10"



Made in 1936, 3tubes straight receiver.
Tubes : UY-24B, UZ-47B, KX-12B (ST tubes)

R-10 Circuit

250.NATIONAL "R-48",No.1



Made in 1937, 4tubes straight receiver.
Tubes : UY-24B, UY-24B, UZ-47B, KX-12F (ST tubes)

Typical circuit.

253.ARIA "J-100"



Made in 1939, 4tubes straight receiver.
Tubes : UZ-57, UZ-57, 3Y-P1, KX-12F (ST tubes)

Typical circuit.

257.CROWN "412"



Made in 1936, 4tubes straight receiver.
Tubes : UY-27, UX-26B, UX-12A, KX-12B(ST tubes)

TYPICAL CIRCUIT

280.SHARP "Broadcasting station 123type",No.3



Made in 1942, 4tubes transformer less straight receiver.(World war type)
Tubes : 12Y-V1, 12Y-R1, 12Z-P1, 24Z-K2, B-37 (ST tubes)

CIRCUIT

282.NATIONAL "Type1701"



Made in 1930, 4tubes straight receiver.
Tubes : UY-227, UX-226, UX-112A, KX-112B(S tubes)

TYPICAL CIRCUIT

284.CROWN "Type Unknown"



Made in 1940, 4tubes straight receiver.(World war type)
Tubes : (ST tubes) UZ-6D6, UZ-77, 6Z-P1, KX-12F

TYPICAL CIRCUIT

287.NATIONAL "R-48",No.2



Made in 1937, 4tubes straight receiver.
Tubes : UY-24B, UZ-57A, 3Y-P1, KX-12F (ST tubes)

Typical circuit.

292.NATIONAL "KS-2"



Made in 1940, 5tubes straight receiver.
Tubes : UZ-58, UZ-57, UX-26B, UX-12A, KX-12F (ST tubes)

KS-2 circuit

306.NATIONAL "R-3D1"



Made in 1939, 3tubes straight receiver.
Tubes : UY-24B, UZ-2A5, KX-80 (ST tubes)