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Panasonic / National Panasonic,
Matsushita Electric Industrial Co. Ltd., Osaka
DR - Q63 / RF - 6300 L

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DR-Q63 / RF-6300L
 
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überarbeitet am 21.10.2010

The DR-Q63 / RF-6300 from Panasonic made it's appearence on the market, when huge and impressive "travel sets" with a big carrying handle were "en vogue".

Double conversion, I.F. 2600 / 455 kHz

Digital display

AM, FM (UKW)

Sensitivity

Selectivity

12 frequency memories, clock / timer

The DR-Q63 / RF-6300 is an impressive huge portable shortwave receiver, with it's dimensions of 43 x 29 x 13,2 cm and it's weight of 6 kg, it is portable only in the sense of the word, but like the Grundig Satellit 3400 or Nordmende's Galaxy Mesa, that set has been intended for use as desktop receiver.
The receiver can be powered from 110-230 V mains or six UM-1 batteries which might be found exhausted soon.

The upper part of the front panel is taken by different indicators: from the left the backlit LCD quartz clock (with the controls just below), the fluorescent frequency display, the analog signal strength meter and a table of the set's shortwave ranges and the corresponding broadcast and amateur radio bands.
The left half of the lower part of the front panel is taken by the grill of the 12 cm diameter speaker.
In the right half of the frontpanel, You find in the middle the enormous main tuning knob, it can be locked and has two selectable tuning speeds.
At the left of the main tuning knob, You find twelve keys for the set's 12 frequency memories, the volume control, the jacks for headphones and earphones and next to these the I.F. filter switch to select the wide or narrow I.F. filter and the BFO switch.
At the right of the tuning knob, You find a row of six similarly looking pushbuttons, the most right hand one is the radio's main switch, amongst others, You find here the buttons to turn off the frequency display and dial illumination. The bandswitch just below selects FM, long- and mediumwaves and five shortwave ranges. In SW1 range from 1,6 - 3,9 MHz, the set acts as single conversion receiver, in SW2 - SW5 (3,9 - 7 / 7-12 / 12-20 / 20-30 MHz) as double conversion superhet. In the right lower corner, the separate bass and treble tone controls, the BFO pitch control and the R.F. gain control are located.

The operation scheme is not complicated: Use the tiny RADIO ON/OFF switch to power on the receiver, turn the rotary frequency band switch to the correct shortwave band (the table reveals, for the 49 m broadcast band, it is range SW2), the use the big tuning knob to tune the set to 6 - 0 - 7 - 5 et voilą: Radio Deutsche Welle from Cologne.

In Summary: the DR-Q63 / RF-6300L is a huge portable double conversion superhet, it comes with twelve frequency memory channels, the sound is pleasant thanks to the good speaker and A.F. stage. The set has two I.F. bandwidths with - according to the time of construction - not very steep filter skirts and does receive CW and single sideband transmissionsby means of the BFO.
The set is not a professional or even a semipro receiver, nowadays, the same technology (maybe without such a good speaker) and shortwave performance can be found in a small pocketbook sized travel radio - but it's a nice piece in Your collection.

© Martin Bösch 20.7.2010