Wohler AMP2A User Manual page 5

AMP2A and AMP2A-2S User Manual P/N 821553 Rev-B
The AMP2A Series units are 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., AMP2A Series units are
backed by a strong warranty and a satisfaction guaranteed return policy.
General Specifications
Analog Input Connectors:
Analog Input Impedance:
Peak Acoustic Out (@ 2 ft.):
Power Output,
RMS Each Side (4Ω Ω Ω Ω Ω ):
RMS Bass (4Ω Ω Ω Ω Ω ):
Frequency Response,
Sixth Octave:
Input Level for Maximum
Output (Volume Full On):
Hum and Noise (analog):
Distortion, Electrical:
Distortion, Acoustic:
Input Overload:
Analog Out S/N:
Analog Out THD:
Magnetic Shielding:
Power Consumption
(Average Maximum):
AC Mains Input:
Wohler Technologies offers by far the broadest range of standard production audio monitor units. Custom combinations of
connectors, controls and level meters are available by special order. Standard-production models or special order custom features
for the AMP2A series (2U) units include the following functions (and combinations thereof):
• Transformer coupled analog inputs
• Separate channel volume controls
• Mono, mute, and mode switches
• Alternate level meter scales and color maps
Other custom options are possible. Call your dealer or Wohler Technologies to discuss your specific needs.
Applications
XLR-F and RCA (AMP2A only)
XLR: 200K Ω, balanced
RCA: 47K Ω, unbalanced (AMP2A Only)
104 dB SPL
14 W transient / 10 W continuous
35 W transient / 25 W continuous
80 Hz - 16 kHz ± 5 dB)
(-10 dB @ 40 Hz, 20 kHZ)
0 dBv balanced / -10 dB unbalanced
Better than -68 dB below full output
Less than 0.15% at any level below
input threshold
6% or less at worst case frequencies
above 120 Hz, including cabinet
resonance; typically less than 1.5%
+26 dBv balanced
>90 dB
<0.008%
<0.8 Gauss any adjacent surface
45 W
100-240VAC, 50-60 Hz Universal
Other Options
© 2006 Wohler Technologies Inc. ALL rights reserved
Section 1: General Features and Specifications
Level Meter Specifications
Level Meter Type:
20-Segment LED bargraph
Meter Dynamics:
VU or PPM, selectable
Input Level Gain:
-6, 0, +4,+8 dBu, selectable
Dynamic Range:
44 dB
Midscale Resolution:
1 dB
Segment Colors: Tricolor (green, amber, red)
Scale: +4 (peak) to -40 dB
Note: See page 17 for additional bargraph information.
Physical Specifications
Weight:
Dimensions (HxWxD):
Audio Response Curve
+10
0
d
-10
B
-20
-30
20 50 100 200
Typical 1/6 Octave Audio Response Curve
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.
• FULL output power DC operation
• External speaker capability
• Multiple input and output connector type choices
18 lbs. (8.2 kg)
3.5 x 19 x 12 inches
(89 x 483 x 305 mm)
500 1k 2k 5k 10k
Hz
20k
5