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© 2006 Wohler Technologies Inc. ALL rights reserved
AMP1A-4S/-10S/-LP4S/-LP10S
User Manual P/N
821527
Rev-
B
Applications
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General Specifications
Section 1: General Features and Specifications
The
AMP1A Series
is ideally suited for use in VTR bays, mobile production vehicles, teleconferencing installations, multimedia
systems, satellite links and cable TV facilities, and on-air radio studios. Designed and manufactured in the U.S., the
AMP1A Series
is
backed by a strong warranty and a satisfaction guaranteed return policy.
Input impedance:
Input Level for Maximum
Output (Volume Full On):
Input Overload:
Peak Acoustic Output
(@ 2 ft.):
Response, Sixth Octave:
Power output
RMS Each Side:
RMS Bass:
Distortion, Electrical:
Distortion, Acoustic:
Hum and Noise:
Magnetic Shielding:
Input Connectors:
Power Consumption
(Average Maximum):
AC Mains input:
90K
Ω
(Ohm) balanced
0 dBv balanced
+26 dBv balanced
98 dB SPL
80 Hz - 16 kHz ± 7 dB)
(-10 dB @ 50 Hz, 22 kHZ)
10 W transient / 5 W continuous
20 W transient / 10 W continuous
Less than 0.15% at any level below
limit threshold
8% or less at worst case frequencies
above 180 Hz including cabinet
resonance; typically less than 2%
Better than -68 dB below full output
Less than 1 Gauss any adjacent
surface
Balanced: XLR
35 W
100-240VAC, 50-60 Hz
Level Calibration:
Frequency Response:
Level Meter Type:
LED Color:
Metering Range:
Display Modes:
VU Characteristics,
Rise Time:
Decay Time:
PPM Characteristics,
Attack Time:
Decay Time:
Dimension (h
x
w
x
d):
Weight:
-6, 0, +4, +8 dBv
20 Hz to 18 kHz (±0.5 dB)
10-segment tri-color LED bargraph
display
Tricolor (red, amber, green)
23 dB
VU or PPM, Selectable
300 ms to 99% of full indication
300 ms
10 ms
2 seconds, 0 to -20 dB
1.75 x 19 x 12 inches
44.5x 483 x 298 mm
14 lbs. (6.4 kg)
Units are designed to meet, at time of manufacture, all currently applicable product safety and EMC requirements, such as those of CE.
0 dbV ref. 0.775V RMS. Features and specifications subject to improvement without notice.
Other Options
Wohler Technologies offers by far the broadest range of standard production audio monitor units. Standard-production models or
special order custom features for the
AMP1A Series
(1U) units include the following functions (and combinations thereof):
• Multiple stereo input selection, from 2 to 10
• AES/EBU and SDI (SMPTE259) inputs
• Separate channel volume controls
• Mono, mute, and mode switches
• Alternate level meter scales and color maps
• High resolution 26-segment bargraph level meters
• Transformer coupled inputs
• FULL output power DC operation
• External speaker capability
• Multiple input and output connector type choices
Other custom options are possible. Call your dealer or Wohler Technologies to discuss your specific needs.
Level Meter Specifications (-LP)
Physical Specifications
Audio Response
Typical 1/6 Octave Audio Response Curve
B
d
0
-10
-20
-30
+10
Hz
10k
5k
2k
1k
500
200
100
50
20k
20
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