Empertech KB-C30PT Bedienungsanleitung

Contents

Features................................................................................................................................................. 1

Functional components....................................................................................................................... 2

Front Panel....................................................................................................................................... 2

Rear Panel ........................................................................................................................................ 3

Operation............................................................................................................................................... 4

Equalizer Controls ............................................................................................................................ 4

Manual Priority Terminals................................................................................................................. 4

Connectios........................................................................................................................................ 4

Microphone1............................................................................................................................... 4

Balanced operation .................................................................................................................... 4

Unbalanced operation ...................................................................................................................... 4

Microphone2............................................................................................................................... 5

Wiring is as follows..................................................................................................................... 5

MP3 /TUNER Selection.............................................................................................................. 5

Manual Priority Terminals........................................................................................................... 6

Speaker Terminals ..................................................................................................................... 6

Microphone Input........................................................................................................................ 6

Music on Hold............................................................................................................................. 7

Telephone Paging Input............................................................................................................. 7

Recommandations ..................................................................................................................... 7

Specifications ....................................................................................................................................... 8

Block Diagram....................................................................................................................................... 9

Features

2 microphone inputs; gain control for MIC 1, level adjustable from microphone to aux input

One Aux / CD input, switchable

Independent volume control for all the inputs, and master volume control

With 6KHz, 1kHz, and 150Hz tone control

Output as Aux input, independent volume control

MP3, USB port included

FM, AM tuner included

LED for output level and protection indication

4Ω、8Ω、16Ω、and 70V/100V speaker line output; 70 /100V choose 1 of these 2

3 level priority. MIC1/TEL> MIC2 > AUX/CD/MP3/FM; MIC1/TEL is VOX mute, and MIC 2 is dry contact

mute

Functional components

Front Panel

1. MIC1/TEL Volume

18.DIR-UP

2. MIC2 Volume

19.Back/Backward

3. AUX/CD/MP3/FM Volume

20.Next/Forward

4. Bass 150Hz

21.Play/Pause

5. Middle 1KHz

22.Stop

6. Treble 6KHz

23.LCD Display

7. Master Volume

8. Signal LED

9. -10dB LED

10. Power Switch

11. Power LED

12. Clip LED

13. Protect LED

14. USB Input

15. MP3/AM/FM/CD Selection

16.PRG/REPEAT

17.DIR-DOWN

Rear Panel

1.Appliance inlet

2. Fuse used in inlet

3. Ground screw

4. Manual Priority terminals

5. Speakers output terminals

6. AUX Input

7. CD Input

8. AUX/CD Selector Switch

9. AUX Music on Hold Volume Control

10. MIC2 Input-unbalanced

11. MIC1/ Telephone Paging Input-Balanced

12. MIC1/Telep. Paging gain control

13. AM Ant

14. AUX Music on Hold output

15. FM Ant

Operation

Equalizer Controls

Three different controls for three frequency bands. Those volume controls will increase or decrease bass and

treble or add some presence to the sound.

Manual Priority Terminals

These two terminals, when shorted, will mute incoming signal from AUX and CD inputs, thus giving priority to the

Telephone Paging and Microphone. These are especially useful when a table microphone with switch is part of

the installation.

Connectios

Microphone1

The microphone inputs use DIN-5 jack and are balanced. Priority operation can be

obtained by using the din sockets.(see priority connection)

Balanced operation

Pin 1 (H) Signal +(live)

Pin 2 (G) Screen(GNG)

Pin 3 (C) Signal- (return)

Pin 4 (P) Priority terminals

Unbalanced operation

Pin 1 (H) Signal +

Pin 2 (G) Screen(GNG)

Pin 3 (C) Short to pin 2

Pin 4 (P) Priority Control

Microphone2

Mic2 input is a Unbalanced standard 1/4〃mono jack on the rear panel .

Wiring is as follows

AUX/CD Connection

AUX/CD input is two phono sockets .These inputs are configured as AUX Or CD inputs

MP3 /TUNER Selection

The built-in MP3 /TUNER can work proper when switching to CD,MP3,Tuner on rear panel.

Equalizer Controls

Three different controls for three frequency bands. Those volume controls will increase or decrease bass and

treble or add some presence to the sound.

Manual Priority Terminals

These two terminals, when shorted, will mute incoming signal from AUX and CD inputs, thus giving priority to

the Telephone Paging and Microphone. These are especially useful when a table microphone with switch is

part of the installation.

Speaker Terminals

These terminals are offering 3 low voltage outputs 4Ω, 8Ω, 16Ω depending on your speaker combination. A

70V/100V commercial output is also available. Please note that one wire only should be connected to COM

screw and one wire to the selected impedance or voltage. Multiple combinations cannot be done at the

output level.

Four different types of connections are provided. The low

impedance section: 4Ω, 8Ω, 16Ω is designed for a small

amount of speakers to be connected to your amplifier. The

100V section is especially designed for a multiple speaker

distribution. When using the 100V output, speakers have to

be equipped with 100V transformer. The maximum amount of

speakers to be placed on your distribution line is in relation to

the power allocated to each speaker. The total wattage set on

the secondary side of the transformers on your speaker line

must not exceed the maximum RMS output power: 30W or

60W. Failure to respect this may cause permanent damage to

the amplifier.

Microphone Input

This ¼ ’’ jack is a two conductor unbalanced microphone input. If you wish to use a low impedance

microphone on a balanced line with a long cable, we recommend that you use an AM-15 adaptor to do so. If

you choose to use a Table Top microphone with an enunciator switch, keep in mind that the switch should be

connected to the two priority terminals.

Music on Hold

This output will feed music on your telephone system for people waiting to be answered. A dedicated input

should be available on your telephone system. Please refer to a qualified technician if you can’t identify this

input. Outgoing signal should be connected to G and H. Volume control is located next to the terminal in

order to provided proper level of music on the phone system.

Telephone Paging Input

This special input (terminals 1 and 3) will allow you to page in your PA system using your own telephone set.

Pin 2 is Ground and Pin 4 is for manual priority switching. Any signal going through Pin 3 with automatically

triggers the priority system without any manual intervention. At the end of the announcement, the system will

return to its normal operation. A Gain control is located next to the input in order to increase incoming

volume if necessary. Final adjustment will be made with the Tel Paging volume control located on front panel.

Recommandations

Keep your amplifier away from excessive humidity, dust or grease. This unit has sensitive components that can

be affected in a difficult environment. If, at one point during its usage, the fuse on the AC line needs to be

changed make sure that the replacement is of the same value. It is important that you try to identify the

reason for this failure. This will most likely prevent further damage to your amplifier. Any service work on this

unit should be performed by a qualified technician.

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