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Microphone Sensitivity (close-talked at 1,000 Hz)
Open Circuit Voltage............ – 47.0 dBV/Pa* (4.5 mV)
*1 Pa=94 dB SPL
Hum Sensitivity (typical)
38.4 dB equivalent SPL in 1 m0e field
Polarity
Positive pressure on diaphragm produces positive voltage
on RED cable lead with respect to BLACK cable lead
RECEIVERS
Type
Dynamic
Frequency Response
100 to 8,000 Hz
Impedance
2,000 ohms at 1 kHz
Output Level (at each ear)
104.0 dB SPL with 1.4V at 1 kHz (1.0 mW into 6 cc cavity)
Polarity
Positive voltage on WHITE and/or YELLOW cable leads
produces positive pressure at receiver
INTERNAL CONECTIONS
FIGURE 3
GENERAL
Cable
2m (6.5 ft) detachable, five conductor (two conductors
shielded), with 6-pin threaded connector to mate with con-
nector on headset
Construction Material
Soft durable covered steel headband, chrome-plated steel
receiver brackets, soft durable covered padded earpieces,
black thermoplastic microphone housing, stainless steel
grille and boom.
Dimensions
See Figure 4
Net Weight (less cable)
290 grams (10.2 oz)
CERTIFICATION
Eligible to bear CE Marking. Conforms to European EMC Directive
89/336/EEC. Meets applicable tests and performance criteria in Eu-
ropean Standard EN55103 (1996) parts 1 and 2, for residential (E1)
and light industrial (E2) environments.
POSITIONING THE MICROPHONE
Put on the headset with the microphone boom on the de-
sired side. Adjust the earpiece extensions by putting down
or pushing up until the headset is most confortable. Loosen
the thumbscrew holding the microphone.
boom in the pivot housing. Pivot and slide the microphone
until it is located as close as possible to the outside corner
of the mouth (not directly in front.) Tighten the thumscrew.
WARNING
Sustained high volume levels may adversely affect the
user’s hearing. Make sure the volume is set to a very
low level before putting on the headset. Then gradual-
ly raise the volume to a confortable listening level.
REPLACEMENT PARTS
Microphone Cartridge R93. . . . . . . . . . . . . . . . . . . . . . .
Receiver Cartridge 90EX2600. . . . . . . . . . . . . . . . . . . . . . . . .
Microphone Windscreen RK184WS. . . . . . . . . . . . . . . . . . . . .
Cable C108. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Earpad 90FY2600. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SHURE Incorporated http://www.shure.com
United States, Canada, Latin America, Caribbean:
5800 W. Touhy Avenue, Niles, IL 60714-4608, U.S.A.
Phone: 847-600-2000 U.S. Fax: 847-600-1212 Intl Fax: 847-600-6446
Europe, Middle East, Africa:
Shure Europe GmbH, Phone: 49-7131-72140 Fax: 49-7131-721414
Asia, Pacific:
Shure Asia Limited, Phone: 852-2893-4290 Fax: 852-2893-4055