Inter-m H-3200 Bedienungsanleitung

H-3200/4200 Professional Power Amplifier

OFF

B370031OC03OC03

0210

Contents

Welcome

Warning.........................................................................................................................................1

Unpacking......................................................................................................................................2

Short Form Instructions.....................................................................................................................2

Installation

Environment....................................................................................................................................3

Important Safety Instructions.............................................................................................................3

Description.......................................................................................................................................4

Features............................................................................................................................................4

Accessories.....................................................................................................................................4

Front Panel ......................................................................................................................................5

Rear Panel .......................................................................................................................................7

Connections.....................................................................................................................................9

Applications ..................................................................................................................................10

Block Diagram ..............................................................................................................................13

Specifications ................................................................................................................................14

Service

Procedures....................................................................................................................................16

Schematic.....................................................................................................................................16

Parts List .......................................................................................................................................16

Variations and Options ...............................................................................................................16

Warranty .......................................................................................................................................16

H-3200/4200

PROFESSIONAL POWER AMPLIFIER

Welcome

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

All of the co-workers here at Inter-M are dedicated to providing excellent products with inherently good value,

and we are delighted you have purchased one of our products.

We sincerely trust this product will provide 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 part of our worldwide extended family!

Warning

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK.

DO NOT REMOVE COVER (OR BACK).

NO USER-SERVICEABLE PARTS INSIDE.

REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

WARNING

To prevent fire or shock hazard, do not

expose the unit to rain or moisture.

*Do not install this equipment in a confined space such as a book case or similar unit.

*The apparatus shall not be exposed to dripping or splashing and no objects filled with liquids, such vases, shall be placed on the apparatus.

This symbol is intended to alert the user to the

presence of uninsulated “dangerous voltage” within

the product’s enclosure that may be of suf-ficient

magnitude to constitute a risk of electric shock to

persons.

This symbol is intended to alert the user to the

presence of important operation and mainte-nance

(servicing) instructions in the literature accompanying

the appliance.

Caution: To prevent electric shock do not use this (polarized) plug with

an extension cord, receptacle or other outlet unless the blades

can be fully inserted to prevent blade expo-sure.

Attentions: Pour prévenir les chocs électriques ne pas utiliser cette

fiche polarisée avec un prolongateur, une prise de courant

on une autre sortie de courant, sauf si les lames peuvent

étre insérées à fond sans en laisser aucune partie à

découvert.

2H-3200/4200

PROFESSIONAL POWER AMPLIFIER

Unpacking

Please take a few minutes to read this manual to familiarize yourself with important information regarding

installation, product features, and operation.

As with most electronic devices, ORIGINAL PACKAGING (OR EQUAL) IS REQUIRED in the unlikely event that

the product needs to be returned for servicing.

Short Form Instructions

1. Do not connect the AC power until step 6. The POWER switch should be in the OFF position.

2. Adjust both of the LEVEL controls to the fully attenuated position (counter clockwise).

3. Connect an appropriate line level input signal to either the balanced XLR or the balanced 1/4” TRS (Tip-Ring-

Sleeve) connector marked INPUTS.

4. Move the MODE selector to the desired position. The Stereo position is the most common.

5. Connect the OUTPUTS to the speaker load according to the mode of operation determined in the previous

step.

6. With the power switch in the OFF position, install the appropriate AC mains plug for your application then

connect to an appropriate AC source.

7. Depress the power switch to the ON position. The power switch will illuminate.

8. The product is ready for operation. Slowly increase the LEVEL control to the desired operating level. Avoid

illuminating the PEAK indicator and do not apply too much power to the speakers.

9. Operate the product and the system in a manner which DOES NOT illuminate the PEAK warning indicator.

H-3200/4200

PROFESSIONAL POWER AMPLIFIER

Installation

Environment

Never place this product in an environment which could alter its performance or reduce its service life. Such

environments usually include high levels of heat, dust, moisture, and vibration.

Safety

1. Read these instructions.

2. Follow all instructions.

3. Keep all warnings.

4. Do not use this apparatus near water.

5. Clean only with a damp cloth.

6. Do not block any of the ventilation openings.

7. Install in accordance with the manufacturer’s instructions.

8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (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. When 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 they exit from the apparatus.

11. Use only the attachments/accessories specified by the manufacturer.

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

apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury

from tip-over.

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.

S3125A

4H-3200/4200

PROFESSIONAL POWER AMPLIFIER

Description

- H-3200

A 3U rack space, 2 channel amplifier capable of 3200W into 4Ωload (bridged mono).

- H-4200

A 3U rack space, 2 channel amplifier capable of 4200W into 4Ωload (bridged mono).

Features

- 2Ωstable per channel, 4Ωstable in bridge mono

- 3U rack space

- Selectable High Pass Filter on each channel

- Clip limiter circuitry

- Forced air cooled (front panel intake, rear panel exhaust)

- Front panel indicators of operating mode

- Front panel indicators for signal strength, clip, protect, and power

- Rack Ears for permanent installation in a standard 19” (rack mount width) enclosure.

Accessories

No accessories are provided for use with this product.

H-3200/4200

PROFESSIONAL POWER AMPLIFIER

Front Panel

1. HANDLES

These are provided for easy transportation and installation into equipment enclosures or racks.

2. POWER INDICATOR

This confirms the amplifier is switched ON and receiving AC MAINS POWER when illuminated.

3. LEVEL INDICATOR

This LED confirms the level of the input signal is greater than -40dB. This should be illuminated on each

channel during normal operation.

4. CLIP LIMITER INDICATOR

This LED warns of a problem in the system when illuminated. Reduce the LEVEL of the device which supplies

signal to the amplifier or reduce the LEVEL control(s) on the amplifier. This should not be illuminated during

normal operation.

5. PROTECTION INDICATOR

This LED warns of a problem in the system when illuminated. Reduce the volume and look for what has

caused the LED to illuminate (e.g. check if the temperature of the amplifier is too hot, or the speaker load

impedance is too low). This should not be illuminated during normal operation.

6. LEVEL CONTROLS

These controls adjust the input signal level for each channel. In stereo or parallel mode the controls will adjust

the signal level independently for each channel. In the bridge mono mode channel 2 will be turned fully

clockwise and channel 1 will be turned clockwise only as needed to achieve the desired level.

12345

OFF

6H-3200/4200

PROFESSIONAL POWER AMPLIFIER

7. POWER SWITCH/CIRCUIT BREAKER

The position of this switch selects whether the AC MAINS power is ON or OFF. The power-on status is

confirmed by the illumination of the power indicator. Amplifiers should always the last item in a system to be

turned on, to avoid damage to the attached loudspeakers that may be caused by the 󴞳hump” noise caused

by switching on other system components. It is wise to reduce the level controls before applying AC power.

The circuit breaker protects the amplifier by switching OFF the AC MAINS power if the amplifier operates

abnormally due to overload or malfunction. Switch ON to reset.

Rear Panel

1. AC MAINS INPUT

Connect the amplifier to an appropriate AC MAINS power source using the supplied AC MAINS Power

Cord. It is the responsibility of the user to supply/install the appropriate AC MAINS plug, and then to

connect the amplifier to an AC MAINS power source that is rated appropriately for the current required by

the amplifier.

2. OUTPUT CONNECTORS

Binding Posts and Speakon connectors are provided for connection to the cables for the loudspeakers. Please

note that Bridged Mono operation requires a different method of interconnection to the speaker cables than

normal Stereo operation. Also be sure that the amplifier is in the correct mode before connecting the speaker

load.

H-3200/4200

PROFESSIONAL POWER AMPLIFIER

CH2

CH1 1- 1+

2+ 2-

AMP OUTPUT CH1/CH2

NOT CONNECTED

NEG POS

1- 1+

2+ 2-

MONO(BTL)

CH1 AMP OUTPUT SPEAKON

- STEREO MODE - BRIDGED MODE

8H-3200/4200

PROFESSIONAL POWER AMPLIFIER

3. CLIP LIMITER SWITCH

The CLIP LIMITER reduces the signal level as necessary to insure that excessive signals do not overdrive the

amplifier. It is recommended to leave this switched to the “ON” position to help prevent distortion and to help

provide protection to high frequency drivers.

4. HIGH PASS FILTER SWITCH

Select the filter position that is appropriate for your application. The OFF position allows full frequency range

signals be amplified. The 30Hz/50Hz positions of this switch filter (reduce the signal strength) signals below

30/50 Hz to reduce AC MAINS power requirements and also to help protect the speaker by reducing the

level of subsonic signals.

5. BALANCED INPUT CONNECTORS

Each input channel is equipped with a special “combo” connector that will accept either a 1/4” TRS or an

XLR connector. Although the connector is of this special design, standard rules of interconnect apply.

6. MODE SELECTOR SWITCH

Select the appropriate position of this switch for STEREO, PARALLEL or BRIDGED MONO as required.

The Stereo mode is the standard mode of operation. Channel 1 input sends signals to the channel 1 output.

The channel 2 input sends signals to the channel 2 output.

The Parallel mode uses the channel 1 input to sends signals to both the channel 1 and channel 2 outputs. No

input should be supplied to channel 2 when in Parallel mode.

The Bridge Mono mode combines both amplifier channels to create a mono amplifier. Input signal applied to

channel 1 will be available across the positive terminals of Channel 1 and channel 2. Do not connect a signal

to the channel 2 input. Do not connect speaker cables to the negative outputs.

7. INPUT SENSITIVITY SWITCH

The input sensitivity may be reduced by either -6dB or -12dB as needed to reduce the possibility of excessive

input signal levels overdriving the amplifier.

PUSH

GROUND GROUND

GROUND

HOT HOT

HOT

COLD COLD

COLD

XLR MALE COMBINATION

- XLR-TYPE - PHONE JACK

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