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Philips / Magnavox,
Philips Gloeilampenfabrieken, NL-Eindhoven

D - 2924

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überarbeitet am 22.10.2010

As successor to their shortwave reciver AL-990, a conventioanlly designed double conversion receiver, Philips presented the PLL synthesized single conversion receiver D-2924 in 1981, the set seems to have been constructed under the impression o f a set like Sony's ICF-2001, but due to it's single conversion design with limited shortwave coverage, lacking BFO and poor performance on the shortwave bands, it never became a strong rival of Sony's set.

Single conversion,

Digital display, 5 kHz

LW, MW, SW 5950 - 15450 kHz, 87,5 - 108 MHz

AM, FM (UKW)

Selectivity -6 dB/ -60 dB
 

Sensitivity

Attenuator, Tone control
Frequency keypad, 6 memories

The Philips D-2924 is a travel portable, with it's 24,5 x 19,5 x 6 cm, it's weight is 1,1 kg, it comes with a carrying handle.
The receiver can be powered from 110 - 220 V mains or eight 1,5 V batteries, as with other early PLL synthesized portables, batteries tend to be exhausted soon.

On the front panel, You find the speaker at the left side. The tiny ON/OFF switch is located between the speaker grill and the rest of the front panel controls.
Below the LCD display, which can be illuminated by a small pushbutton just next to it, You find tiny pushbuttons to select the wavebands LW / MW / SW / FM, similar pushbuttons act as UP/DOWN tuning buttons, to direc access to the shortwave bands and to start the bandscan functions.
The numbered keys further below can be used for direct keypad frequency entry and to save a frequency in one of six memory channels or to recall it later.

The further front panel controls are located in a small vertical row at the right of the display: a tins switch for the attenuator (LOC), the sliding controls for volume and tone control and another tiny switch to lock the frontpanel keys.

From the technical point of view, the D-2924 with it's single conversion design with reduced shortwave coverage of 5950 - 15450 kHz has only little to offer to the serious shortwave listener: poor selsitivity and selectivity, "ghost signals" appearing on the dial, high synthesizer noise are all drawbacks of this radio - it can be used to monitor the strong international shortwave broadcasters.
All the features of a microprocessor controlled receiver as digital frequency display, some frequency memories and scanning facilities are standard among PLL synthesized portable receivers nowadays.

In summary: the Philips D-2924 as a simple PLL synthesized multiband radio has not been all that revolutionary receiver design when the radio was sold new, today, it can be considered as a collectors item and as a simple radio capable of some low level shortwave recpetion performance, but not more. It's definitely not the set You want to take with You on trips abroad to catch "signals from home" nor a useful shortwave radio for Your shack.
Philips has not been successful to enter the portable shortwave radio market, not with the D-2924, nor with it's successors D-2935 / D-2999 - all Philips sets were not that competitive when they appeared on the market and Philips kept it's role as a third ligue player on the shortwave receiver market.

 

© Martin Bösch, 20.9.2010