Technical Data

1. DynamicmicrophoneMD 405 5

Receiver T 201

Input, unbalanced . . . . . . . . .

for 60 ohms source impedance

Frequency response. . . . . . . . .
Sensitivityat 1000cps . . . .
Impedance . . . . . . . . .
Directional pattern. . . . .
Discriminationat 180 degrees Weight. . . . . . . . . . .

100. . . 14000 cps :t 3 dB

0.15mV/,ubar :t 3 dB

200 ohms cardioid > 12 dB

approx. 190 grammes

Output, ungrounded . . . . . . . .

13 mm r.f. socket according to DIN 47283

source impedance < 30 ohms, rated load 300 ohms, 3-pole

standard socket according to DIN 41 524

2. Magnetic microphone
Frequency range.

. . . .

Sensitivityat 1000cps

 

Impedance . . . . .

 

Directional pattern

 

Weight . . . . . .

 

MM 23/2 and MM 61/2

400 . . . 4000 cps

400 . . . 4000 cps

0.13 mV/,ubar:t 3 dB

0.13 mV/fibar :t 3 dB

2000 ohms

2000 ohms

omni-directional

omni-directional

appr. 8 grammes

appr. 25 grammes

Output voltage at 40 kcps frequency deviation and more than 5 micro-

volts e.mJ. from the aerial. . . .

Audio frequency range. . . . . . .

Deviations from the rated frequency response (deemphasis 50 microse- conds) . . . . . . . . . . . . . .

Harmonic distortions at 40 kcps

1.55 volts

100 . . . 15 000 cps

:t 2 dB maximum

3. Transmitter SK 1006

Standard carrier frequency, switchable (on request also 2 frequencies

between 25 and 45 megacps with a distance between 0.3 and 1.0

megacps)

Inconstancy of frequency during

5 hours operation and at ambient temperatures from 20 to 35 degrees centigrade . . . . . . . . . . . .

Radiated

power.

. . . . . . . . .

Modulation.

. . . . . . . . . . . .

Normal

frequency

deviation.

Maximum of frequency

deviation

Noise frequency

deviation

(calculated

for

50 microseconds

deemphasis/frequency

range

50. .

. 20000

cps)

...,...

Frequency deviation adjustment . . .

LF input sensitivity . . . . . . . . .

Frequency range.

. . . . . . . . .

Preemphasis. . . . . . . . . . . . .

Harmonic distortions at 40 kcps

frequency deviation.

. . . . . .

Power supply/operation

period when

battery-operated

. . . . . . . . .

Measurements.. . . . . . . . . . .

Weight. . . . . . . . . . .

36.7 megacps and 37.1 megacps

better than :t 15 kcps

approx. 1 milliwatt

FM

:t 40 kcps :t 75 kcps

;;;:;:t 200 cps

by potentiometer approx. 0.3 mvolts

80 . . . 15.000 cps :t 2 dB

50 microseconds

2 Ofomaximum

alternatively two dry batteries each Pertrix No. 438/6 to 7 hrsi Daimon 333/6 to 7 hrsi

Accumulator, re-chargeable Deac Tr 7/8 /2 to 3 hrs

(Deac charging unit available)

24 x 75 x 115 mm approx. 200 gramms

frequency deviation and 200 micro-

volts e.mJ. from the aerial. . .

Signal-to-noise ratio (unweighted) at

40 kcps frequency deviation and more than 20 microvolts e.mJ. from

the

aerial.

. . . . . . . . . . .

Signal-to-noise ratio (weighted) at

40

kcps

frequency deviation and

more than 20 microvolts e.mJ. from

the

aerial.

. . . . . . . . . . .

Standard receiving frequencies (in special cases adapted to the transmitter) . . . . . . . . . . . .

Range of the automatic tuning device

Neighbouring chc;mnel selection at 0.4

megacps detunmg ........

Electronic noise suppression, disconnection value of the e.mJ. of the

aerial, adjustable . . . . . . . . .

Ratio of

safety against

disconnection

by interferences from

the neigh-

bouring

channel

.........

Diversity

operation.

. . . . . . . .

Remote control of a tape recorder. .

<20f0

>50 dB

>65 dB

36.7megacps and 37.1 megacps > :t 50 kcps

> 65 dB
2microvolts. . . 10mvolts

>50 dB

receivers have to be connected at the sockets" Diversity", 3-pole

standard socket according to DIN 41 524

socket "Tonband" has to be connected to the remote control

socket of the tape recorder.

3-pole standard socket according to DIN 41524

20

21