Audio Technologies ML200 User Manual
Dual Microphone to Line Amplifier
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ML200
The ML200 is a Dual Microphone to Line Amplifier with servo balanced line inputs at +22dBm.
The front panel controls the selection of phantom power and preamp gain; there is also a fron
panel input and output peak flasher. The inputs and outputs are XLR.
The ML200 provides two outputs at either line or microphone level to drive balanced and
unbalanced lines. HI and LO preamp gain levels are front panel selectable for each channel.
Peak indicators monitor preamp and output circuit levels. Switched phantom microphone
power is provided and all audio connections are made using XLR type connectors.
ML200 is ideal to drive long lines in the presence of high hum and noise or as an auxiliary rack
mounted preamplifier to convert mixer high level inputs to microphone levels.
The ML200 accepts two microphone level inputs and provides two outputs at either line o
microphone level to drive balanced and unbalanced lines. HI and LO preamp gain levels are
front panel selectable for each channel. Peak indicators monitor preamp and output circuit
levels. Switched phantom microphone power is provided and all audio connections are made
using XLR type connectors.
• Servo balanced line inputs
• Front panel selections
• Input/output peak flasher
• XLR inputs and outputs
• Rack mounted one, two, or three
across
• Convert mixer high level inputs to
microphone levels
• HI and LO preamp gain
Dual Microphone to Line Amplifier
Technical Specifications
OUTPUT LEVEL
FREQUENCY RESPONSE
DISTORSION
NOISE
GAIN
PHANTOM POWER
POWER
DIMENSIONS in.(cm)
MOUNTING
CONNECTORS
POWER SUPPLIES
WA100-1
WA100-2
PH48-1
RACK MOUNT KITS
DESK MOUNT KITS
FIELD ACCESSORIES
PROK-1
REMOTE POWER PACKS
PPA-1
PPA-2
PPA-B
DCA100-1
BBU100-1
WARRANTY
+22dBm MAX, +4dBm Nominal into 600 ohm
balanced or unbalanced lines
+/- .25dB 20Hz to 20kHz
.05% THD Maximum at +20dBm;
.005% at nominal levels 20Hz to 20kHz
MIC Input: EIN = -124dBm,
LINE Input: EIN = -90dBm,
20Hz to 20kHz measurement bandwidth
Preamp gain is front panel Hi-Lo selectable.
Lo is 0, 20 or 30dB. Hi is 30, 40 or 50dB set with
internal DIP switch. Output gain 30dB continuously
adjustable. Input/output peak flasher indicates
at 3dB below clipping.
+20VDC regulated;
Optional 48VDC available.
22 to 30VDC, 24VDC Nominal. @ 70mA;
See Power Supplies and Accessories
1.75(4.45)H x 5.6(14.22)W
x 5.75(14.6)D; 1.25 lbs, .57Kg
Free standing or rack mountable; one, two or
three units in 1¾"
Standard XLR female input(s)
and XLR male outputs.
Wall mount power supply (UL), 24VDC @ .4amp, 115 VAC/60Hz.
Wall mount power supply or Table top power supply with IEC 320
Male 3 pin AC input connector, 24VDC @ .4amp, 230VAC/50Hz
48VDC phantom power option
20604-501 Center mount for single unit 20604-502 Side-by-side mount for two units 20604503 Side-by-side mount for three units
20617-501 Angled Desk Mount Base. 20617-502 Angled Desk Mount Base and One
Stacker(2 units high). 20617-503 Angled Desk Mount Base and Two Stackers(3 units high).
20617-504 Stacker (2 units high) 20604-504 Horizontal Joiner (2 units side-by-side)
Unit protection kit consists of a set of side plates with attached
side brackets. The side plates protect the front panel controls and the
rear XLR connectors from impact damage, and for attachment to carry
strap (not included); the slide brackets provide ease of access and
exchange of the power assemblies i.e. PPA, DCA, or BBU.
Integrated power pack assembly for remote operation, which
mounts to a mixer. Includes housing, rechargable gel-cell battery
pack (four hours operation), and an external battery charger operating
at 115VAC/60Hz.
Same as above except battery charger operating at 230VAC/50Hz.
Europlug. Contact factory for other plug configurations.
Extra rechargable battery pack, charger not included.
Integrated DC/DC assembly mounts to a mixer and accepts
external battery power with DC inputs from 10 to 32 volts to
produce 24VDC at 200mA maximum.
Battery Pack houses four 9V alkaline or lithium batteries
(not included) for remote operation or back-up power.
Limited, One Year Warranty
ML200
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