© 2006 Wohler Technologies Inc. ALL rights reserved
5
AMP2A
and
AMP2A-2S
User Manual P/N
821553
Rev-
B
Section 1: General Features and Specifications
Applications
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.
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.
General Specifications
Analog Input Connectors:
Analog Input Impedance:
Peak Acoustic Out (@ 2 ft.):
Power Output,
RMS Each Side (4
Ω
Ω
Ω
Ω
Ω
):
RMS Bass (4
Ω
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:
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
Physical Specifications
Typical 1/6 Octave Audio Response Curve
Level Meter Specifications
Level Meter Type:
Meter Dynamics:
Input Level Gain:
Dynamic Range:
Midscale Resolution:
Segment Colors:
Scale:
20-Segment LED bargraph
VU or PPM, selectable
-6, 0, +4,+8 dBu, selectable
44 dB
1 dB
Tricolor (green, amber, red)
+4 (peak) to -40 dB
B
d
0
+10
-20
-30
-10
Hz
10k
5k
2k
1k
500
200
100
50
20k
20
18 lbs. (8.2 kg)
3.5 x 19 x 12 inches
(89 x 483 x 305 mm)
Weight:
Dimensions (HxWxD):
Audio Response Curve
Other Options
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
• 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.
Note:
See page 17 for additional bargraph information.
