lor much langer. Indeed, lor this reason we also recommend their use on the 10 mW transmitter (SK 1010-6). II an accumulator is used instead 01 dry batteries - Le. regular use 01the transmitter leads to

Irequent changing batteries - then the accumulator (e.g. Tr 7/8)

can be easily charged using the automatic charger SZL 1010 (Iig. 6).

Changing the antenna

IIany delect occurs, the antenna may be unscrewed through the slot @ with a small screwdriver.

IIthe SK 1010 is to be used as an hand-held microphone, it is pos- sible to exchange the long wire antenna by a shorter helical antenna. This helical antenna is available in the lollowing versions:

A 4 (32-38 MHz)

Antenna lor SK 1010-6 and SK 1010-7,

Irequency range: 32 - 38 MHz

A 4 (38-45 MHz)

Antenna lor SK 1010-6 and SK 1010-7,

Irequency range: 38-45 MHz

A 3 (138-260 MHz)

Antenna lor SK 1010-9,

Irequency range: 138-260 MHz

When ordering please state the exact transmitting Irequency. Direct your order to your next Sennheiser distributor.

Tips for use

For good high-Irequency radiation It is important to ensure that wire antenna 0 (Iig. 1) hangs downwards as Ireely as possible. When using microphones wh ich are to be connected via a cable, the transmitter and therelore also the antenna should be positioned as high as possible.

r

[

Carrier trequency .

Frequency drift for temperatures between + 10° C and + 55° C

and for supply voltage variafions trom +10% and -30% .

RF-oufpuf power Info dummy load. .

Radlated power. . .. .

Power of radlafed harmonics

and spurios. Modulaflon. .

Nominal swing

Peak swing. . . . . . .

S/N ratio af input sensitivity 10 mV .

AF-input sensifivrty for nominal sWing Micro.

Phono.

Inpuf frequency. . .

Wirrng of input socket.

Range of senslflvity control at

1 mV sensltivlfy..

.

 

Overload range af limitlng

 

ampllfier. . .

 

 

THD at nominal swing and

. . .

1000 Hz .

...

Levellndlcatlon (switch position

"Test")

 

 

Audla frequency

response

 

Attenuation above the

 

upper Ilmlfing

 

 

frequency . .

 

 

Preemphasls

.

 

Current consumption

 

Power supply.

.......

 

Operation time In dependance from battery type used .

Battery test tacility (switch position "Test")

Dimensions In mm, Including

mlcrophone. ...

Welght wlth battery and mlcrophone

Specitic data tor RF-output power Into dummy load.. Radlated power. Current consumptlon Operation time in dependance from battery type used

1 frequency

between 30 and 45 MHz

better than:t 2 kHz

10mW

:;;1mW

:;;4nW

FM

:t 8 kHz :t 10kHz

typ. 72 dB

(DIN 45500, curve A, rms) typ 58 dB

(CCIR 468. peak)

max. 200 mV, min. 1 mV

120mV

approx. 40 kSJ pin 1 = AF-Input

pln 2 ~ ground (-battery)

pln 3 = ground (- battery)

pln 6 ~ + battery,mustbeconnected

externally to pln 7 (enables remote control operation)

pin 8 = regulated supply voltage for electret condenser

rnicrophones

26 dB (typ.)

36 dB (typ.)

:;;1%

LED, red.

40Hz to 12 kHz + 1 dB

-3 dB

>18 dB/Ocl. (actlve low-pass filter) 50l1sec.

approx. 10 rnA

9V battery IEC6 F 22

zlnc-carbon type: approx. 12 h (e. g. Dairnon No. 249) NICd-accu: apprax. 8 h

(e. g. Varta Tr 7/8) alkali-manganese: approx. 40 h (e. g. Mallory MN 1604)

LED, green

150 x 46 x 24

approx. 226 g

SK 1010-7

100mW approx. 10 rnW approx. 40 mA

zlnc-carbon: not recornmended

NiCd-accu: approx. 2 h (e. g. Varta Tr 7/8) alkali-manganese apprax. 13 h (e. g. Mallory MN 1604)

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