Schalltronik SCA-65 Bedienungsanleitung

SCA-65

MODEL:

PUBLIC ADDRESS MIXER AMPLIFIER

AMPLIFIER

Warning:Before attempting to connect,operate or adjust this Amplier,

please read these instructions completely and carefully and save this Manual

Table of Contents

Introductions ----------------------------------------- 2

Features -----------------------------------------------3

Controls------------------------------------------------ 4

Setups --------------------------------------------------5

Operations-------------------------------------------- 9

Table of Contents

Block Diagram --------------------------------------11

Specifications --------------------------------------12

Wiring Guide ------------------------------------------5

Connections ------------------------------------------7

MOH---------------------------------------------------10

Welcome

Congratulation and thank you for the purchasing SCA-65, a multi-function commercial

amplier.These ampliers are designed to provide a big impact in sound reproduction

and to produce the best and highest quality audio at an affordable price. We wish you great

enjoyment and satisfaction when using your amplier, whether you are an installation, or

reinforcement engineer.

Although it is neither complicated to install nor difcult to operate your amplier, a few minutes

of your time is required to read this manual for a properly wired installation and becoming familiar

with its features and how to use them. Please take a great care may be needed when moving your

set and are required if it ever becomes necessary to return your set for service. Never place the

unit near radiator, in front of heating vents, to direct sun light, in excessive humid or dusty location

to avoid damages and to guaranty a long reliable use..

Unpacking and Installation

Connect your unit with the system components according to the description on the following pages.

Introductions

SCA-65

Schalltronik.com

D-83367 Petting

* Three microphone and two line inputs with XLR,1/4” TRS jacks and RCA jacks.

* 65Watts rated power output.

The SCA-65 mixer ampliers are comprehensive, all-in-one mixer-amplier solutions

for commercial and industrial applications. These low-cost units provide all necessary

features in a simple building-block format.

* Acceptable wide range(up to 44dB) input level.

* Telephone paging input by Euro block terminal,with LEVEL &DUCKING DEPTH Controls.

* Two layer priority muting.

* Advanced protection system includes current limiting, over current and thermal protection.

* Desktop and 19-inches rack mountable type.

* Two bands tone controls.

* Low distortion and low noise level.

* Compact size and lightweight.

* Ideal commercial and industrial use.

Features

FRONT PANEL

Controls

1.Input channel volumes.

[ Figure 1.1 Front panel diagram ]

2.Two bands tone controls ( 100Hz/10KHz ).

3.Master volume control.

4.Indicators ( Protection/Output level/Power ).

5.Power switch.

6.AUX INPUT

Rear Panel

[ Figure 1.2 Rear panel diagram ]

1.Power cable.

2.Speaker outputs connector ( COM,4-ohm, 8-ohm 70V,and 100V ).

3.MOH(Music On Hold) Terminal with LEVEL Control.

4.Gain controls for variable input level.

6.PHANTOM ON / OFF Switch

7.TALK OVER Switch.

8.TELE-PAGING Input with LEVEL,DUCKING DEPTH Control.

5.Signal input connectors.

SCA-65

Schalltronik.com

D-83367 Petting

Setups

Installation

CAUTION : Before you begin, make sure your mixer-amplier is disconnected from the power

source, with the power switch in the “OFF” position and all level controls turned completely

down (counterclockwise). You may stack mixer-ampliers without using a cabinet or you may

place a single mixer-amplier on a surface with 12-inches (about 30cm) of air space around

the unit for convection cooling.

We recommends using pre-built or professionally wired balanced line. 22 to 24 gauge cables.

Figure 2.1 shows connector pin assignments for wiring. The RCA input connections can also

be used for unbalanced inputs.

Setups

Wiring guide

Choose input wire and connectors

[ Figure 2.1 Input wire and connectors ]

BALANCED UNBALANCED

Unbalances 1/4” Connector Balances TRS 1/4” Connector

XLR Balanced Wiring Guide

For connection of balanced and unbalanced plugs,

ring and sleeve have to be bridged at the stereo plug

SOURCE TO DESTINATION

straln rellef clamp

sleeve

tip

sleeve

ground/shleld

tip

signal

straln rellef clamp

sleeve

tip

rlng

sleeve

ground/shleld

tip

hot

rlng

cold

Choose output wire and connectors

For the amplier output connectors, We recommends using pre-built or professionally wired,

high-quality, and heavy gauge speaker wires. You may use EURO blocks for your output con-

nectors. To prevent the possibility of short-circuits, wrap or otherwise insulate exposed loud-

speaker cable connectors.

Using the guidelines below, select the appropriate size wire based on the distance from ampli-

er to speaker. The wire sizes apply to the 4-ohm tap.

NOTE : Custom wiring should only be performed by qualied personnel. Class 2 wiring is re-

quired.

CAUTION : Never use shielded cable for output power wiring.

Setups

70V

75Ω / 70V 154Ω / 100V

100V

70V

100V

SCA-65

Connections

INPUT : Connect microphones or balanced line-level sources to mixer-amplier balanced inputs.

Set Gain volume accordingly. Connect unbalanced line-level signals to RCA input connectors.

Connections

Choose input wire and connectors

OUTPUT : Maintain proper polarity on output connectors.

For each output channel, connect the output EURO block terminals to the loudspeaker loads.

Use terminals marked COM and 4Ω / 8Ω for a loudspeaker load, or use terminals marked 70V,

100V, COM for constant-voltage speaker loads.

Oconnect the COM terminal to speaker negative(-) lead; connect one of the other terminals to

speaker positive(+) lead.

The impedance and output voltage are same as following Table 2.1

[ Table 2.1 Output voltage and impedance ]

NOTE : Impedances indicated in the table 2.1 represent the total speaker system impedances.

Speaker connection is shown in Figure 2.2

[ Figure 2.2 How to connect speakers ]

70V

100V

Connections

CAUTION : Never use both the Low-Z(4Ω / 8Ω)and Hi-Z(70V, 100V) terminals at the same time

[ Figure 2.3 Wrong connection ]

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