RDL HD-MA35A Bruksanvisning

RDL Stavmixer HD-MA35A

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HD-MA35A

Congratulations on your selection of an RDL HD-Series High-Efficiency commercial mixer amplifier. The HD-MA35A is part of the world’s highest performance full-featured high-efficiency

mixer amplifier series for commercial installations. This product includes a studio quality microphone input stage, line-level transformer isolation, equalization, remote control capability and

integral analog compression coupled to a sonically pleasing analog-filtered high efficiency Zone 1 Class D output stage. The HD-Series mixer amplifiers are designed and manufactured in the

U.S.A. using the most advanced automated manufacturing and testing processes for years of reliable high performance and cost savings.

HD-MA35A 25/70/100 V

OUTPUT CONNECTIONS MUST BE MADE BY

PERSONS ADVISED OR SUPERVISED TO

AVOID DANGERS AND PREVENT RISKS

WHICH ELECTRICITY MAY CREATE.

USE ONLY THE TERMINAL BLOCK

SUPPLIED WITH THE MODULE.

USE ONLY THE POWER SUPPLY

SUPPLIED WITH THE MODULE.

INSTALLATION AND OPERATION

INTRODUCTION

INPUT WIRING

PRIORITY PAGING

INPUTS 2 & 3

INPUT 1

CONNECTIONS

Three inputs may be connected. Each input is available on the primary Zone 1 front-panel mixer and on the Zone 2 rear-panel mixer. If used, the paging source is usually connected to Input 1.

Connections are made on the rear panel. All connections are on detachable terminal blocks or connectors. The Zone 2 mixer, Input 1 MIC/LINE switch, ducking controls and assignments and phantom

voltage selector are also provided on the rear panel. The Zone 1 mixer, tone controls, indicators and power button are on the front panel.

Balanced MIC or LINE source connected

using a single-pair shielded audio cable

Unbalanced MIC or LINE source connected using

a single-conductor shielded audio cable

Balanced LINE signal from phone

PBX or audio transformer

INPUT 1

Connect a MIC or LINE source. This is normally a paging mic or the line-level paging output from a phone PBX. The line-level

input is transformer balanced (providing galvanic isolation) and may be connected balanced or unbalanced.

INPUTS 2 & 3

Connect a mono or stereo standard unbalanced -10 dBV audio

source to INPUTs 2 and/or 3. The two input jacks associated with

each input provide active summing of the left and right channels,

thereby preserving the stereo separation of the audio source.

MIC or LINE Gain

Set the Input Gain to MIC or LINE/TEL according to the input

signal connected.

VOX (VOICE-ACTIVATED PRIORITY)

If a paging signal is to automatically “duck” (fade down) other

audio inputs, feed a normal paging signal into INPUT 1 and adjust

the SENSITIVITY trimmer until the LED flashes regularly. Set the

SENSITIVITY trimmer fully CCW to disable the VOX function.

MANUAL PRIORITY

If a swich (such as a momentary paging mic push-to-talk switch) should “duck” (fade down) other audio inputs, connect the switch to the DUCK and Ground terminals.

INPUT DUCKING SELECTOR

Select one or both inputs (2 and/or 3) to be ducked when a paging priority is detected (VOX activated by audio signal on INPUT

1, or MANUAL activation by an external switch. Selected inputs are ducked only in Zone 1 (the primary amplified output). Set

the switch ON (switch up) to duck the input in Zone 1; set the switch OFF to prevent ducking. Inputs are not ducked in Zone 2.

PHANTOM VOLTAGE

If a condenser mic may be connected to INPUT 1, set the phantom voltage ON (switch up).

LEFT

STEREO SOURCE

MONO SOURCE

RIGHT