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Ultra Electric Products: Radio Ultra T491
 |
Source: |
This information from the 1947 brochure (L33). This brochure has a dealer stamp; K.C.L. Wells, Radio & Electrical Sales & Services, High St. Debenham, Suffolk. |
| Power: | 200-250 volts AC, 50-100 cycles | |
| Wavebands: | Three; LW (1000 to 2000m), MW (200 to 550m), SW (16 to 50m) | |
| Controls: | Tuning, Wavechange (with "Gram" position), Tone and combined Volume-On/Off. | |
| Design: | Streamlined "backless" cabinet of non-stain, non-fade plastic. Loudspeaker louvres of contrasting colour. Height 11 3/4", Width 16 1/2", Depth 10 3/4". | |
| Date: | 1947. Price £24. 5s 5d tax paid. | |
| Manufacturer: | Ultra Electric Ltd. 62 Buckingham Gate, SW1. Phone Victoria 1686 | |
| Features: |
Large elliptical loudspeaker, fly-wheel
tuning, negative feedback, tri-unit chassis construction, easily
detachable illuminated dial, calibrated in metres and marked with station
names. 5 valve, 3 waveband, superhet. Loudspeaker: Special 11 3/4" elliptical permanent magnet. Audio output 4 watts. Provision for extension loudspeaker (with cut-out switch for internal speaker). Pick-up: either the magnetic of crystal type pick-up may be used with this receiver and can be left permanently connected. |
|
| Line up: | (1) Triode Heptode, low noise frequency changer; (2) RF pentode, high gain IF amplifier; (3) Double diode-triode, detector, AVC and audio amplifier; (4) Beam tetrode output; (5) Full wave rectifier. [TH41, VP41, HL41DD, Pen 45, UU6] |