Instruction Manual

DM 8350
General-purpose Microphone Amplifier with Adjustable Gain
DESCRIPTION
General-purpose microphone amplifier.
Adjustable gain 10 → 40 dB.
Provides easy “sensitivity-matching” between low-output microphones
and transceivers requiring high input level.
Small, cylindrical amplifier housing.
Phantom power supply through AF output cable.
Supply voltage: 5-15 V DC.
Max. input level before clipping: 6 mVRMS .
Nominal AF load impedance: 600 Ω.
EMC-protected.
ORDERING DESIGNATIONS
TYPE NO. PRODUCT NO.
DM 8350 270000064
SPECIFICATIONS
ELECTRICAL
MODEL DM 8350
TYPE Microphone amplifier
IMPEDANCE Input impedance: Approx. 2 kΩ
Output load impedance: Nom. 600 Ω
FREQ. RESPONSE 0.2 → 20 kHz (See diagram below)
MAX. INPUT
6 mVRMS (Recommended max. sensitivity
of microphone: -40 dB at 1 kHz rel. 1 V/Pa
MAX. OUTPUT
600 mVRMS in 600 Ω (Before clipping occurs)
SUPPLY VOLTAGE 5-15 V DC (To be supplied from radiotelephone or hands-
free kit (Phantomsupply via the microphone cable))
Specifications given @ 10 V DC
CURRENT
CONSUMPTION
(Amplifier only): Approx. 2 mA
MECHANICAL
CABLE 0.3 m 1-wire with shield
CONNECTOR Supplied open-ended
TEMP. RANGE Operating: -30°C →+70°C
Storage: -40°C →+80°C
MATERIALS POM
DIMENSIONS 12 (D) x 59 (L) mm
WEIGHT Approx. 12 g
PROCOM A/S reserve the right to amend specifications
without prior notice.
01/12/11