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R. L. Drake Company, Miamisburg, OH

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Drake R - 2 C
Drake R - 4 B
Drake R - 4 C
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Drake SPR - 4
Drake SSR - 1
 
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überarbeitet am 19.10.2010

R.L.Drake company has been founded in 1943 by Robert Lloyd Drake, in the first years of existence, the company produced amateur radio accessories. After moving to Miamisburg OH, Drake introduced in 1957 an amateur radio receiver with a completely new design philosophy - the R 1-A. This small triple conversion set did - with it's above average SSB reception - perform surprisingly well, in comparison with the heavy black or dark grey boatanchor competitors In 1960 - 1966, Drake brought out several receivers in the R - 2 Series, covering amateur bands only.
In 1964, Drake presented the first receiver of their very successful R - 4 series, this double conversion set offered a dial accuracy of less then 1 kHz in the Amateur bands and additional broadcast band segments, separate plug in crystals for each band allowed the extension of the receiver's coverage. The R - 4 B and the R - 4 C, which offered all the possibilities of signal processing still found on modern receivers, like a choice of IF filters, passband tuning, notch filter and a switchable noise blanker, could be connected to an optional external frequency synthesizer: The FS - 4 allows continuous coverage up to 30 MHz without gaps.
After the intermediate step with the SPR-4, this receiver was completely solid state, but was technically quite similar like the R - 4 series receivers, Drake introduced their first models of the R-7 / 7A series with an integrated frequency counter in 1981.
For the commercial and marine communications market, Drake offered several sets basing on the technology of the SPR-4 (marine sets RR-1) or of an improved R-4 with integrated frequency synthesizer and nixie tube frequency display, the DSR- and MSR- series receivers.
The Drake SSR-1 made in Japan was a solid state portable set with Wadley Loop- circuitry, technically quite similar to the Century-21 or Standard C6500 - receivers.
For more informations about the modern Drake tabletop receivers, have a look at Drake Desktop Receivers page.

1 - A: 1957, triple conversion,
ham bands coverage,
AM, LSB, USB, CW, 2,5 kHz
2 - A: 1960, triple conversion,
ham bands coverage,
AM, LSB, USB, CW, 4.8 / 2.4 kHz
2 - B: 1961, triple conversion,
ham bands coverage,
AM, LSB, USB, CW, 3.6 / 2.1 / 0.5 kHz, linear dial
2 - C: 1966, triple conversion,
ham bands coverage,
AM, LSB, USB, CW; 4.8 / 2.4 / 0.4 kHz, circular dial
R - 4: 1964,
ham and broadcast bands coverage,
AM, LSB, USB, CW,
4.8 / 2.4 / 1.2 / 0.4 kHz
R - 4A: 1966,
ham and broadcast bands coverage,
AM, LSB, USB, CW,
4.8 / 2.4 / 1.2 / 0.4 kHz
 
R - 4B: 1967,
ham and broadcast bands coverage,
AM, LSB, USB, CW,
4.8 / 2.4 / 1.2 / 0.4 kHz
R - 4C: 1973,
ham and broadcast bands coverage,
AM, LSB, USB, CW,
8 / 2.4 kHz
SW - 4 A: 1967,
broadcast bands coverage,
nur AM, 5 kHz
SPR - 4: 1969,
broadcast bands coverage,
AM, USB, LSB, CW, 4.8 / 2.4 / 0.4 kHz, solid state
SSR -1: 1975,
500 kHz - 30 MHz, AM, LSB, USB, CW,
5.5 / 3 kHz
DSR - 1: 1969, 10 kHz - 30 MHz,
AM, USB, LSB, CW, ISB,
6 / 2.4 / 1.2 / 0.4 kHz
 
DSR - 2: 1974,
10 kHz - 30 MHz,
AM, USB, LSB, CW, ISB,
6 / 2.4 / 1.2 / 0.3 kHz
MSR - 1: 1971, 10 kHz - 30 MHz,
AM, USB, LSB, CW, ISB,
6 / 2.4 / 1.2 / 0.4 kHz
 
MSR - 2: 1977, 10 kHz - 30 MHz,
AM, USB, LSB, CW, ISB,
6 / 2.4 / 1.2 / 0.3 kHz
RR - 1: 1973,
8 maritime radio bands, 4 additional 500 kHz segments with optional crystals,
AM, USB, LSB, CW
4.8 / 2.4 / 0.4 kHz

further reading:
d: Schiffhauer Nils: Oldie-KW-Empfänger, vth-Verlag, D - 7570 Baden - Baden
e: Osterman, Fred: Receivers Past & Present, Universal Radio Research, Reynoldsburg, OH 43068, USA, ISBN 1-882123-07-7
e: Moore, Raymond,S.: Communications Receivers, RSM Communications, LaBelle, FL 33975, USA

interesting www - links:
e: Virtual Drake Museum by JM Cherry and Sindre Torp