История фирмы GRUNDIG началась в послевоенные времена. В 1948 г. это предприятие выпустило первый в мире переносной радиоприемник GRUNDIG BOY с питанием от сети и батареек. Фирма стала самым крупным европейским производителем, выпустив миллион таких радиоприемников.

Подробнее о производителе      Глоссарий аббревиатур

Grundig RR 1140 Stereo PROFESSIONAL
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Год начала выпуска: 1980
Регион: Европа


Power supply:
1.   Mains: 110. . . 127 V AC or 220. . . 230 V AC ± 10%, 50 ... 60 Hz.
2.   Battery: 6 x 1.5 V cells IEC R 20 (eg: Ever Ready HP 2) or

Dry fit-accumulator 476 + 2 x 1.5 V

miniature cells for LCD clock (also voltage supply for VHF memory).
3.   External DC supply: 10 ... 16 V DC.
Voltage selector for power supply:
On the rear panel of the radio recorder.
Fuses: primary T 315 mA, secondary 2 x T 2 A
(T = slow-blow)
Power output: into 4 9. to DIN 45 324
Battery operation:    2 x 2.5 W    
Mains operation:       2 x 7   W          sine
Mains operation:      2 x 10 W              music power
Loudspeaker connecting sockets:
Two standard sockets to DIN 41 529 for 4
external loudspeakers.
Stereo headphone jack (6.35 mm).
Sound control: Separate controls for treble, bass,
stereo balance and stereo basic width control.
Connecting sockets:
1.   Mic-socket
Input voltage for microphone: 2 x 0.6 mV / 27 k

Output voltage for amplifier: 2 x 500 mV / 25 kΩ
2.  QO 0-socket
Input voltage for tape recorder: 2 x 0.6 mV/15 k

Input voltage for stereo record player: 2 x 200 mV/800 kΩ (crystal/ceramic pick-up system).

Output voltage for tape recorder: 2 x 100 mV/47 kΩ.
Radio section:
4-stage tuned FM mixing section with capacitance diodes,

selective input stage and waveband filter as intermediate circuit, separate oscillator.

Electronic pre-set station storage for eight FM stations to the new voltage synthesis concept with C-MOS memory for 8 x 10 bit,

P-MOS control circuit and comparator.

Separate IF amplifier for AM and FM with IC's.

Switchable level and detuning dependent muting.

Automatic PLL stereo decoder in matrix circuit with field strength dependent channel separation.

Indication of a RF stereo broadcast through green LED's.
Active low-pass filter for 19/38 kHz suppression.
Logarithmic field strength indication for VHF.
Switchable AFC.
Electronic AM/FM-AF switch-over.
Interference filter in the AM-AF signal path.
High-impedance AM input switching with field effect
Switchable frequency counter with digital LCD indication
in kHz and MHz with 1-kHz resolution on AM and
10-kHz resolution on VHF.
Programmable switching clock with 6-digit alphanumeric
liquid crystal diode indication, date indication and
switching on and off at the programmed time and date.
Stereo end stage with IC's.
LW145. . . approx. 275 kHz  SW2   6.1 ...   13.2 MHz
MW 510 .. . 1620 kHz           SW3 12,9 . . . 22.9 MHz
SW 1 5.9 . . . 6.2 MHz              VHF 87.5 ... 108 MHz
FM: 11, of which 4 are tunable and 1 ceramic
2-stage filter.
AM: 7, of which 2 are tunable and 1 ceramic
3-stage filter.
IF: approx. 10.7 MHz and 460 kHz.
AGC: AM 2 stages.
Stereo decoder (IC): operates according to the
time-divison multiplex system.
Built-in aerials:
Telescopic aerial for VHF and SW
Ferrite rod aerial for LW and MW
Connection for VHF external aerial (switchable).
Battery life: 56 hours to DIN 45314 (radio section)
Cassette section:
Recording medium: Compact cassette to DIN 45516.
Track system: 1/4-track international
Tape speed: 4.76 cm/sec.
Tape drive: DC motor with electronic speed control
Frequency response: 40 . . . 12500 Hz.
Signal-to-noise ratio:
59 dB (with FeCr)
Wow and flutter: 
Automatic functions: Automatic recording level control
and automatic release of the buttons at the end of the
tape (fast forward wind or rewind).
Reverse operation.
Built-in microphones: 2 electret microphones with
built-in single-stage FET amplifier.
Battery life: 35 hours to DIN 45 525
(tape recorder operation)
The technical data given have been determined in
accordance with the test specifications laid down by D!N.
This radio recorder conforms to safety requirements
to VDE 0860 and hence to the international safety
requirements I EC and CEE 1.
Subject to alteration

Tape cassettes
GRUNDIG Studio-Cassette, HiFi-Cassette,
Super-HiFi-Cassette or Profi-Cassette available as C 60
with a playing time of 2 x 30 minutes or as C 90
with a playing time of 2 x 45 minutes.
GRUNDIG cassettes are subjected to constant quality
control checks and are guaranteed to give peak
performance, mechanically as well as electrically.
We therefore recommend the use of GRUNDIG cassettes.
Cleaning cassette 461
To clean the heads, simply run this tape through on
playback (approx. 5 minutes running time).
GDM 308 with start-stop remote control on recording
GCM 309      GDM 314      GCM 319
GCMS 332 stereo capacitor microphone.
Microphone extension cable 391
For GCMS 332 and GCM 319
Adapter 278 a
For the connection of two single microphones for
stereo recording.
Combination adapter 299
For the connection of 2 tape/cassette recorders.
Permits also rerecording from recorder to recorder.
Connecting cable 242
For the connection to a radio or a second tape recorder.
Adapter 294
For the connection of mono sources.
Adapter 296
For the connection of a second tape recorder (if required).
Adapter 293
For copying of recordings onto tape recorders without special phono input.
Headphone GDHS 216 K or GDHS 223 K (with jack plug).

For monitoring on playback instead of through the built-in loudspeakers.

HiFi/tape recorder adapter 481 For recording television sound.
GRUNDIG Dry fit PC accumulator 476 Car battery adapter cable II Loudspeaker compact box 150, 150 b

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