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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

-10

-20

-30

+10

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