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Zenith Radio Corp , Chicago, IL

Trans Oceanic Royal 3000

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überarbeitet am 3.11.2010

In 1958, Zenith presented the first solid state "Trans Oceanic" shortwave receiver, the Royal 1000, the variant Royal 1000-D covers also the longwave band. The Royal 3000, which came five years later in 1963 was the first "T/O" covering the FM broadcast band, but there was no space left for the shortwave "Wave Magnet" antenna in the cabinet, so this had to ordered as separate accessory.

Single conversion,

Analog dial , LW, MW, 2-4 / 4-9 MHz, 31, 25, 19, 16 m Band, FM broadcast band

AM, FM (VHF)

Sensitivity

Selectivity

The Royal 3000 is the first of the solid state "Trans Oceanic" receivers to be equipped with a FM tuner, but due to space restrictions on the frequency dial and in the cabinet, the 13 m shortwave band and the "Wave Magnet" antenna have been omitted. The size of the receiver is 32 x 27 x 13 cm and it's weight 2 kg.
The radio is powered from eight 1,5V batteries, the variant Royal 3000-1 comes with a connector for external 12 V DC power, e.g. from a car battery.

You can unlock the left part of the carrying handle, the handle can be rotated to vertical and a telescopic antenna can be pulled out.

In the upper part of the front panel, You find the frequency dials, the Trans Oceanic Royal 3000 has a turret tuner arrangement operated from a band switch at the right small face of the receiver, a similar arrangement is found with Sony's CRF-5090 "Earth Orbiter" or the Braun T1000.
The tuning knob is located in the speaker grille area. In a square area at it's left, You find the rotary controls for tone and volume control, a headphones jack and two switches for dial illumination and the AFC active in FM mode only.
At the inside of the front panel cover, You find a rotary "world time calculator" and a frequency list - You can feel sentimental when You study the list of all stations active in the early sixties.

Operating the receiver is uncomplicated: the volume control is combined with the main switch. Turn the set on, select the desired band (BC / broadcast band stands for mediumwaves, the shortwave broadcast bands are marked in red in the 2-4 and 4-9 MHz bands, only the 31, 25, 19 and 16m shortwave bands have their own dials with useful dial markings. Of course, the Royal 3000 comes without a digital frequency readout - this kind of luxury, a mechanical digital frequency readout, could be found only on commercial high end shortwave receivers like the Collins R-390A in those years...
The receiver has a similar sensitivity as found in Grundig Satellit receivers made in the same years, there is only one AM bandwidth, the dial calibration is acceptable only in the 31 - 16 meter bands, bandspread in the 49 m band important in Europe is not available.

Summary: The Zenith Trans Oceanic Royal 3000 is a nice collector's item and can still be used as a simple travel radio, as long as You have no high expectations from it's performance on shortwaves, it performs well on mediumwaves and in the FM band to listen to Your favourite local stations.
The Royal 3000 is a classic in shortwave travel radio design, it's concept has been adopted in several later receivers, like the Sony Earth Orbiter CRF-5090 and several other radios produced in the Far East.

weitere Lektüre:
d: Zenith Trans-Oceanic Royal 3000 im www.radiomuseum.org
e: The Zenith Trans-Oceanic - the Royalty of Radios, Bryant and Cones, Schiffer Publishing Ltd.

© Martin Bösch 4.2.2009