User manual

5© 2002 Wohler Technologies Inc. ALL rights reserved
AMP2-DA Instruction and Service Manual P/N 821505 Rev-B
Applications
Section 1: General Features and Specifications
The AMP2-DA 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 AMP2-DA is
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
UL and CE. 0 dbV ref. 0.775V RMS. Features and specifications subject to improvement without notice.
Medium-size Segments
(for Middle -distance Viewing
Medium-size Segments
(for Middle -distance Viewing
General Specifications
Input Connectors:
Peak Acoustic Output
(@ 2 ft.):
Power output,
RMS Each Side (4
ΩΩ
ΩΩ
Ω):
RMS Bass (4
ΩΩ
ΩΩ
Ω):
Frequency Response,
Sixth Octave:
Input Level for Maximum
Output (Volume Full On):
Analog Input impedance:
Hum and Noise (analog):
Distortion, Electrical:
Distortion, Acoustic:
Input Overload:
Converted analog out S/N:
Converted analog out THD:
Magnetic shielding:
Power consumption
(Average Maximum):
AC Mains input:
AES: BNC (x2), Analog: XLR (x2)
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
40K Ω, balanced / 10K Ω, 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
Audio Response Curve
Typical 1/6 Octave Audio Response Curve
75Ω (ohm) removable, unbalanced
32-48 kHz, auto-select
18-bit low jitter
DIP switch selectable;
-18=0, -9=+6, -20=+4, -20=+8
AES termination:
AES sampling rate:
D to A converter:
D to A gain calibration,
(dBFS = dB):
Digital Input Specifications
Level Meter Specifications
Level meter type:
Meter dynamics:
Dynamics modes:
Level gain:
Dynamic range:
Midscale resolution:
Segment colors:
Scale:
Segment size:
53-Segment LED bargraph
.
VU (bar) and/or PPM (dot), select
PPM: 20 dB decay in 1.5 sec.
or
3 sec hold
VU: 3 sec. hold
or 10 sec. hold
0, +4, +6, +8 dBu, select
65 dB
1 dB
Tricolor (green, amber, red)
+16 to -50 dB
.158" x .04" (4.0132 x 1.016 mm)
B
d
0
+10
-20
-30
-10
Hz
10k
5k
2k1k50020010050 20k20
18 lbs. (8.2 kg)
3.5 x 19 x 12 inches
(89 x 483 x 305 mm)
Weight:
Dimensions (HxWxD):
On special order, custom combinations of connectors, controls and level meters are available.