Pyle Pro PQA3100 Manual de usuario

Professional Power Amplifier

PQA3100

PQA4100

PQA5100

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leaudio.com

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8>90dB >90dB

>70dB

>250 >250 >250

30 30 30

<0W <00W <00W

482x314x88mm

9.5kg 10.5kg 12kg

。

。QA

。

Installation guidelines

DO NOT use these amplifiers in damp or high humidity environments.

Do not use outdoors or anywhere where liquids could fall or splash onto the amplifier.

Ensure the amp is adequately ventilated, with free airflow to the front and rear panels.

Keep away from other heat sources. If the amps are mounted in a rack with other amps,

ensure there is adequate cool air flow front and rear. Note that air is drawn in through the

back panel, and exhausted through the front panel.

NEVER cover the amplifiers, as they may overheat.

P power amplifiers are designed to fit standard 19” racks, with a 2U height

and 17 depth. We recommend the use of rear rack supports, especially if the rack is to

be mobile. Use shake proof washers or thread lock adhesive to prevent mounting bolts

becoming loose in transit.

Ensure that the AC power supply is correct for your amplifier. The required AC supply

is stated on the rear panel next to the AC power input.

Ensure that you use the correct type of mains lead for your equipment and country.

This must be free from damage and easily accessible during use.

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Overview

It is well-known The PQA series professional

MODEL PQA 3100 PQA 4100 PQA 5100

PQA PQA

ability.

PQA series amplifiers has full-prote

To raise reliability of the amplifier, PQA series

professional amplifiers have beenins

Bridge They all have adopted mature and reliable circuit with SMT technology

AC 110 /

PQA

8. Bridge mode

As the work is in bridge mode, CH A output + connector is the Bridge

connector +; while CH B + connector is the Bridge connector -.

SERIES

Page5

Service

All the products are thoroughly examined and tested

before leaving the factory, and if used correctly will give you

many years of excellent service. However,

if a problem arises, proceed as follows:

(A) contact the retailer from whom the unit was purchased and

describe the symtoms of the fault.

(B) if the retailer connot help, return the equipment to the

national distributor for your country. Use the original packaging

to protect the product from damage. Include a note with the

equipment stating your name and address, details of the

problems, date code and date and place of purchase.

FAULT PROBLEM SOLUTIONS

No sound

(power

LED off)

AC supply not connected or

switched off

Blown fuse

Check AC connections and switches

Check and replace fuses at plug and IEC

socket. USE ONLY SAME TYPE AND RATING!

NO sound

(Power

LED on)

No input,

or input too low

Level controls set too low

Speakers faulty or

not connected

Check input is connected, and LED

Increase level controls

Check speakers and speaker connections

Hum or

buzz is

audible

Noise from AC supply is being

picked up in the signal path

There is an earth problem

Use good quality, shielded signal cables and

ensure they are kept away from AC power cables

and other AC powered equipment

Use a mains tester to ensure the AC outlet

has a good earth. Power connected equipment(e.g mixer

and amp) from the same AC outlet where possible.

Distortion

is audible

Excessive signal level

somewhere in signal chain.

Damaged or poor quality

cables

Sound cuts

out or is I

ntermittent

Damaged or poor quality

cables or connectors,

connectors not properly

inserted, amp overheating

Use only high quality cables of the appropriate type,

protect them from damage and regularly

check connections.

Use the LED to ensure the AC outlet has a good earth.

Power connected equipment from the same AC outlet

where possible

Check all cables and connections, refer to above

sections regarding distortion and temp warning light

PQA

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