Inter-m CN-9102 Bedienungsanleitung

CN-9102

Dual-Channel Compressor/Limiter with Gate

CN-9102 Dual Channel Compressor/Limiter with Gate

Contents

Welcome 3

Unpacking ............................................................................................................................... 3

Warnings .................................................................................................................................. 3

Operation................................................................................................................................. 5

Features 6

Front Panel Controls 7

Rear Panel Controls 10

Applications 11

Applications 12

Specifications 13

CN-9102 Dual Channel Compressor/Limiter with Gate

Welcome

A personal welcome to you from the management and employees of Inter-M

All of us here at Inter-M are dedicated to providing you with the highest quality products

and the best value.

We sincerely trust this product will provide you with years of satisfactory service, but if

anything is not to your complete satisfaction, we will endeavor to make things right.

Welcome to Inter-M, and thank you for becoming a part of our worldwide extended

family!

Unpacking

Although your CN-9102 is neither complicated nor difficult to operate, we recommend

you take a few minutes to read this brief manual and familiarize yourself with the

important information regarding product features, setup and operation.

As with most electronic devices, we strongly recommend you retain the original

packaging. In the unlikely event the product must be returned for servicing, the original

packaging (or reasonable equivalent) is required.

Warnings

Environment

Never place this product in an environment that could alter its performance or reduce its

service life. Such environments are usually characterized by high levels of heat, dust,

moisture, or vibration.

Safety

1. Read these instructions carefully.

2. Follow all instructions.

3. Keep all warnings.

4. Do not operate this apparatus near water.

5. Clean only with a damp cloth.

6. Do not block any of the ventilation openings.

7. Install only in accordance with the instructions in this manual.

CN-9102 Dual Channel Compressor/Limiter with Gate

8. Do not install near any heat sources such as radiators, heat registers, stoves, or other

devices (including amplifiers) that produce heat.

9. Do not defeat the safety purpose of the polarized or grounding type plug. A polarized

plug has two blades, with one wider than the other. A grounding type plug has two

blades and a third grounding prong. The wide blade or the third prong is provided for

your safety. If the provided plug does not fit into your outlet, consult an electrician for

replacement of the obsolete outlet.

10. Protect the power cord from being walked on or pinched, particularly at plugs,

convenience receptacles, and the point where it is attached to the apparatus.

11. Use only the attachments/accessories specified.

12. Use only with a cart, stand, tripod, bracket, or table specified, or sold with the

apparatus. When a cart is used, use caution when moving the cart/apparatus

combination to avoid overturning.

13. Unplug this apparatus during lightning storms or when unused for long periods of

time.

14. Refer all servicing to qualified service personnel. Servicing is required when the

apparatus has been damaged in any way, such as power supply cord or plug is

damaged, liquid has been spilled or objects have fallen into the apparatus, the

apparatus has been exposed to rain or moisture, does not operate normally, or

has been dropped.

CN-9102 Dual Channel Compressor/Limiter with Gate

Operation

Make certain that speakers and input sources are properly connected before switching

on.

Keep volume levels turned down before switching on.

NOTE: The system’s operation is delayed by approximately three seconds after pressing

the power switch. This is due to the built-in protection circuitry, designed to protect

speakers and other system components.

CN-9102 Dual Channel Compressor/Limiter with Gate

CN-9102

Dual Channel Compressor/Limiter with Gate

Features

High-Quality, versatile, easy-to-use dual channel compression unit

Consistently great sounding performance for studio recording, live sound or broadcast

use.

Offers Ratio, Attack and Release Controls to fully customize performance for your

individualized needs.

Choose Hard Compression or Soft Knee dynamics.

Two fully independent channels for use as two separate units, or linked for stereo

operation.

Fully independent noise gates with threshold and rate controls.

Precision metering, side chain for ducking or keying of events.

CN-9102 Dual Channel Compressor/Limiter with Gate

Front Panel Controls

1. Power Switch

This switch is used to turn the unit on and off. When the unit is on, the integrated

Power Indicator LED is lit.

2. Limiter (Threshold) Controls

This knob provides continuous control of the Threshold level of the integrated

compression circuitry, over a range of –40dB to +20dB.

Soft knee compression is applied to signals which exceed the threshold setting by

up to 10dB.

Hard knee compression is applied to signals which exceed the threshold setting

by more than 10dB.

3. Ratio Control

This knob provides continuous control of the degree of compression applied once

the threshold level has been exceeded, over a range of 1:1 to :1. A ratio of 1:1

corresponds to zero compression. A ratio of 10:1 indicates that once the input

signal has exceeded the threshold level, an additional 10dB of input level will

result in 1dB of output level. See Fig. 1 below.

CN-9102 Dual Channel Compressor/Limiter with Gate

Figure 1 – Compression Ratio

4. Attack Control

This knob is used to control the amount of time before the compression circuitry

takes effect after the threshold has been exceeded, adjustable from 0.1

milliseconds to 200 milliseconds.

5. Release Control

This knob is used to control the amount of time before the gain returns to normal

after the input signal drops below the threshold level, adjustable from 50

milliseconds to 3 seconds.

6. Output Control

This knob is used to control the level of the output signal, increasing the signal by

a maximum of 20dB. This can be helpful in compensating for loss of level caused

by the compression/limiting process.

7. Soft/Hard Knee Selector

This switch selects between “hard knee” and “soft knee” compression processes.

HARD KNEE compression: when the input signal rises above the designated

threshold set by the Threshold Control (2), the signal is immediately compressed at

the full ratio selected by the Ratio Control (3).

SOFT KNEE compression: when the input signal begins to rise above the

designated threshold set by the Threshold Control (2), compression will start at a

lower ratio than selected by the Ratio Control (3), reaching the full ratio only at

higher input levels.

Figure 2 – Soft Knee and Hard Knee Compression

CN-9102 Dual Channel Compressor/Limiter with Gate

8. Bypass Switch

This switch bypasses the compression circuitry completely. It is useful for

comparing the compressed signal with the original signal.

9. In/Out Switch

This switch selects the source displayed on the Input/Output meters (10),

determining whether the meters are monitoring the (uncompressed) input level or

the (compressed) output level.

10. Input/Output Level Meter

This 12-segment LED meter monitors the level of the (uncompressed) input signal

or the (compressed) output signal, as selected by the In/Out Switch (9). In the IN

position the input signal is monitored. In the OUT position the output signal is

monitored. The meter is referenced to an operating level of either –10dB or +4dB,

as selected by the rear-panel operating level switch.

11. Gain Reduction Meter

This 12-segment LED meter monitors the level of the actual gain reduction,

displayed in a range of –1dB to –30dB.

12. Threshold/Gate Control

This knob controls the input signal level at which the noise gate will be opened

when in gating mode, or closed when in ducking mode, over a range of to --

10dB. When using the CN-9102 for normal noise removal applications, it is

recommended that this control be set to the lowest setting possible to avoid loss

of desired signal.

13. Rate/Gate Control

This knob controls the rate at which the gate closes once the input signal has

fallen below the threshold level, variable from 20 milliseconds to 2 seconds.

14. Stereo Link Switch

This switch links the two channels of the CN-9102 together to function in stereo

mode. When the stereo link is active, both channels are operated by the controls

of Channel A. Both channels are still monitored to determine when the signal

exceeds the threshold level.

CN-9102 Dual Channel Compressor/Limiter with Gate

Rear Panel Controls

1. AC Power Input

Connect a standard three-pin AC cable to this connector.

2. Audio Input

These are balanced audio inputs on three-pin XLR connectors. Pin 3 is low, pin 2 is

high, and pin 1 is ground.

3. Audio Output

These are balanced audio outputs on three-pin XLR connectors. Pin 3 is low, pin 2

is high, and pin 1 is ground.

4. Side Chain

These are unbalanced inputs on 1/4" phone jacks, provided for the input of an

external side-chain or key-in signal used to trigger the compression/limiting

function.

5. Operating Level Selector

This switch determines the operating level of the CN-9102. You can choose the

professional studio level of +4dB or the consumer level of –10dB. The front-panel

Input/Output level meter changes to reflect the setting selected by this switch.

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