General view

Orion S 512 U

Electronica · 1951

Year
1951
Decade
1950s
Category
Radio
Type
Radio receivers
Documentation score
2/5
Last edited
03 OCT 2026

Specifications

Tubes
UCH21, UCH21, UBL21, selenium rectifier
Wavebands
LW, MW
Sensitivity
LW, MW 200 µV
Selectivity
20 dB
Audio frequency response
120–3000 Hz
Output power
0.5 W
Design / kits
Hungarian kits
Power supply
110 / 150 / 185 / 220 V, AC or DC
Power consumption
20 VA (110 V), 35 VA (220 V)

Sources: [1]

Description

The Orion S 512 U is an AC/DC mains tube radio receiver made in Bucharest by Radio Popular, the factory that became Electronica in 1960 [1]. It was assembled from kits imported from Hungary [1].

In the source table, sensitivity is given for 50 mW output, selectivity at 1 MHz for ±10 kHz detuning, the audio frequency response at −6 dB relative to 400 Hz, and output power at 10% distortion [1].

Schematics

No schematics available yet.

Documents

No documents available yet.

References

  1. [1]D. F. Lăzăroiu, N. Millea et al. – „Electronica românească. O istorie trăită”, vol. I, AGIR, section II.2 „Fabrica Radio Popular, 1948–1959”, annex II.2.5 „Lista receptoarelor produse la Radio Popular între 1948–1959”, pp. 121–123