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DM 8350 F

General-purpose Hands-Free Microphone with Amplifier

  • Hands-Free microphone for use in vehicles.
  • Very small for discreet installation.

Description

  • Mounts easily on door edging, roof, sun visors, steering column or dash board.
  • Gain adjustable over a range of 30 dB gives optimum sensitivity “match” to the majority of all PMR and cellular radiotelephones.
  • Simple direction adjustment.
  • EMC-protected.
  • Power supply from radiotelephone or hands-free kit.
  • Excellent sound quality at a competitive price.

ORDERING DESIGNATIONS

TYPE NO. PRODUCT NO.
DM 8350 F 270000037

SPECIFICATIONS

ELECTRICAL    
MODEL DM 8350 F
TYPE Hands-free microphone with amplifier
POLAR PATTERN Non-directional
IMPEDANCE 1 kΩ
FREQ. RESPONSE 0.2–17 kHz (Shown in diagram below)
SENSITIVITY Adjustable -35 →-5 dB (± 3 dB) at 1 kHz rel. 1V/Pa
CARTRIDGE TYPE Electret
VOLTAGE SUPPLY 5–15 VDC (To be supplied from radiotelephone or handsfree kit (Phantom-supply via the microphone cable)) Specifications given @ 10 VDC
CURRENT CONSUMPTION Approx. 2 mA
MECHANICAL    
  Microphone part Amplifier part
CABLE 4 m 1-wire with shield 0.3 m 1-wire with shield
CONNECTOR ø 3.5 plug at cable end ø 3.5 mm jack in housing
Cable end unterminated
TEMP. RANGE Operating: -30° C →+70° C
Storage: -40° C →+80° C
MATERIALS ABS POM
DIMENSIONS 20(H) x 20(W) x
21(L) mm
12(D) x 59(L) mm
WEIGHT Approx. 60 g Approx. 12 g

 

 

TYPICAL RESPONSE CURVES

FUNKTIONAL DIAGRAM

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