Wohler HRS-1S Manual de instalación y operación

HALF-RACK STEREO AUDIO MONITOR

HRS-1S

Order Part Number

HRS-1: 8100-0310

Description

The HRS-1S provides self-powered, full-fidelity audio

monitoring of 2 analog channels in the smallest space

possible (half-width 1 RU). This unit contains two high

performance transducers driven by two power

amplifiers: one amplifier/driver combination handles

midrange and high frequency information, while the

second handles summed low frequency information

below the 500 Hz crossover point.

The unique design allows this unit to fit almost

anywhere, and provides optimally focused sound for

operators in an ultra near field (1 to 3 ft.) working

environment. This provides for a higher SPL for the

operator while reducing overall ambient sound and

adjacent bay crosstalk.

Extended HF response reveals potential problems

with audio whine or hiss. Electronic rather than

acoustic cancellation of bass frequencies provides

positive audible detection of out-of-phase (reversed

polarity) audio feeds. A headphone jack is provided on

the front panel, usage automatically mutes the

speakers. Output limiter circuits are incorporated to

protect the speakers, and extensive magnetic

shielding allows placement immediately adjacent to

video monitors with no color impurities.

Features

Premium quality subwoofer and midrange speaker

High quality AMP Series internal amplifier

2 balanced analog Inputs with loop-through (1 stereo)

95dB SPL at 2 feet (0.6m)

Premium quality drivers and power amplifiers

Headphone jack mutes speakers

HALF-RACK STEREO AUDIO MONITOR

HRS-1S

Benefits

Thorough magnetic shielding for placement next to

sensitive equipment.

Extended frequency response and low distortion

Electronic cancellation of bass frequencies provides

audible indication of phase/polarity problems.

Incredibly compact, fits almost anywhere, 1/2 rack

wide (8.5”), 1RU high.

Quick and simple installation

Focused sound reduces adjacent bay crosstalk.

Rear Panel

Physical Specifications

Technical Specifications

Dimensions (H x W x D) 1.75” x 8.5” x 7.5” (44.5 mm x 483 mm x 190 mm)

Shipping weight 7 lbs (3.17 kg)

Space requirements half-width of 1RU in a standard 19” rack

Supplied accessories AC external power unit/cord

Power requirements Power to the unit is 24V DC, 3.0 A. The external power supply then connects to

mains power (100 to 240 VAC ± 10%, 50/60Hz.

Power consumption 35 W

Inputs 1 pair analog (3-in XLR-F) (left and right)

Outputs 1 pair analog (3-in XLR-M) (left and right)

Input impedance (balanced)

Input level for maximum output

(volume full on) 0 dBv balanced; +10 dB unbalanced

Input overload +26 dBv balanced; +14 dBv unbalanced

Peak acoustic output (at 2 ft.) 95 dB SPL

HALF-RACK STEREO AUDIO MONITOR

HRS-1S

3-Pin XLR Pin-Outs

Response, 6th octave 80 Hz - 16 kHz ± 7 dB (-10 dB @ 50 Hz, 22 kHZ)

Power output

RMS mid-Range

RMS bass

10 W transient / 5 W continuous

20 W transient / 10 W continuous

Distortion, electrical < 0.15% at any level below limit threshold

Distortion, acoustic 8% or less at worst case frequencies above 180 Hz including cabinet resonance;

typically less than 2%

Hum and noise better than -68 dB below full output

Magnetic shielding < 1 Gauss any adjacent surface

Female

Male

Technical Specifications (Continued)

HALF-RACK STEREO AUDIO MONITOR

HRS-1S

Contact

Wohler Technologies, Inc. Wohler Europe Wohler Asia

31055 Huntwood Avenue +33 970 440 253 1704 Lucky Commercial Center

Hayward, CA 94544 USA +33 1 77 72 59 99 (fax) 103 Des Voeux Road West

+1 888 5 WOHLER (Toll Free) sales@wohler.com Sheung Wan, Hong Kong

+1 510 870-0810 www.wohler.com +852 2851 8325

+1 510 870-0811 (fax) +852 2850 8182 (fax)

Part Number 830029, Revision C

Block Diagram

Woofer

Speaker

Mid-Range

Speaker

Analog

Amplier

Volume

Headphone

Loop Output B

Loop Output A

Analog Input

Stereo/

Mono

Switch

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