Drake SPR-4 Discontinued!
Replaced by Please also see Please check
Shortwave Receiver
the R7A
the SW4A
our Used List
Recently Sold Used
The R.L. Drake Company produced the solid-state SPR-4 receiver with the serious shortwave listener in mind. Supplied coverage includes: 0.15-.5, .5-1.5, 6-6.5, 7-7.5, 9.5-10, 11.5-12, 15-15.5, 17.5-18 and 21.5-22 MHz. Additional 500 kHz crystal ranges are available. A total of 23 ranges may be employed. Modes of reception include: AM, SSB (LSB/USB) and RTTY (with optional RTTY adapter).
The dial accuracy is ± 1 kHz when calibrated to the nearest 100 kHz calibration point. Other features include: S-Meter, IF Notch, Preselector, RF Gain, Mute Line, Dial Lamp, Dial Lamp Switch (on rear panel), Spinner Knob, Audio In-Out Jack, Anti-Vox Jack. The antenna input is an RCA phono jack. This radio has a 3 x 5 inch speaker built into the left side panel. 10.75 x 5.5 x 12.25 inches 18 lbs. Operation is from 120 VAC or 240 VAC switch selectable from the rear panel or 12 VDC.
Order #
Item
Description
Price
Order
5-NB
Solid-state Noise Blanker.
Discontinued
AL-4
Loop antenna for long wave and medium wave. INFO
Discontinued
BP-4
Battery pack (for 10 NiCad D cells)
Discontinued
DC-PC
Cigar lighter 12 VDC power cord.
Discontinued
FS-4
Frequency synthesizer (receiver modification required) INFO
Discontinued
MMK-3
Mobile mounting bracket
Discontinued
MS-4
External speaker (5x7 inch) INFO
Discontinued
RY-4
Radioteletype adapter (centers RTTY signals in passband).
Discontinued
SCC-4
Crystal calibrator INFO
Discontinued
AT-4
Transceive adapter (for T4/T4B/T4X/T4XB).
Discontinued
Crystal Kit
Amateur bands (6 crystals).
Discontinued
Crystal Kit
Marine band (11 crystals).
Discontinued
Crystal Kit
International aeronautical bands (7 crystals).
Discontinued
Crystal Kit
Time stations (5 crystals).
Discontinued
Crystal Kit
Tropical bands (3 crystals).
Discontinued
Crystal Kit
Commercial teletype bands (4 crystals).
Discontinued
Crystal Kit
M.A.R.S. bands (5 crystals).
Discontinued
OM SPR4 A
Owner's Manual. Early edition. 5.5 x 8.5 - 13 pages. VIEW
Includes operation, small separate schematic in back flap.Discontinued
OM SPR4 B
Owner's Manual. Later edition. 8.5 x 11 - 63 pages. VIEW CONTENTS
Includes operation, pull-out schematics, alignment, accessory alignment, parts lists, diagnostics, PCB pictorials, and numerous photographs.Discontinued
Copyright 2006-2024 Universal Radio, Inc.
#XXXX 69-71 D600/380 Q300/420 US 10/24 _