Artsound PRH-4240 Manual

Artsound Modtager PRH-4240

Læs gratis den danske manual til Artsound PRH-4240 (4 sider) i kategorien Modtager. Denne vejledning er vurderet som hjælpsom af 7 personer og har en gennemsnitlig bedømmelse på 4.1 stjerner ud af 4 anmeldelser. Har du et spørgsmål om Artsound PRH-4240, eller vil du spørge andre brugere om produktet?

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Side 1/4

PRH-4240 - RH-4350

POWER AMPLIFIER

TABLE OF CONTENTS

1. Safety precautions - warranty 1

2. General description 1

3. Features 2

4. Nomenclature and functions 2

4.1 front panel 2

4.2 rear panel 2

5. Speaker connections 3

6. Speciﬁcations 4

OPERATING MANUAL

2. GENERAL DESCRIPTION

The PRH power ampliﬁers are built on Class D technology. With minimal power consumption, less heat genera-

tion and a more compact size than conventional analogue ampliﬁers.

The PRH power ampliﬁers contain four independent ampliﬁcation channels, each rated at 240W (PRH-4240)

and 350W (PRH-4350) respectively. For each channel, there is a balanced line input via a Phoenix connector, a

separate input gain control and an optional high pass ﬁlter.

Both 100V and low impedance speaker outputs are available.

This allows the PRH ampliﬁers to be used in most situations.

A standby mode is automatically activated when no input signal is detected for more than 1 minute.

Furthermore, there is a built-in protection mode that oers protection in case of short-circuit, overload or

excessive temperature.

The coloured LEDs on the front panel provide an easy overview of the operation. The ampliﬁers operate on an

AC voltage of 115V to 230V and can also be supplied with DC24V emergency power.

1. WARNINGS AND SAFETY

• To prevent ﬁre or electric shock, do not expose this device to rain or moisture.

• Do not repair any parts inside the unit, but leave all repairs to qualiﬁed service personnel.

• As long as the mains cable of the machine is connected to a wall socket, the machine is live, even if the

machine is switched o.

• Do not operate the device for a long time if the sound is distorted.

• Do not block the ventilation openings of the device.

PRH-4240 / PRH-4350

• Switching power technology digital power ampliﬁer

• Class-D PA power ampliﬁer of minimum power

consumption

• Less rack space and less heat generation

• Four channel power ampliﬁer into 19” rack mount

unit

• Rated power output at 120W, 240W, 350W to 500W

by four channels

• Four channel separate speaker outputs 4-16Ω/100V

• Balanced XLR input by phoenix connector for four

channels

• Each input with separate gain control.

• Each four channel with high-cut ﬁlter.

• Built-in auto standby feature to save power con-

sumption

• Separate four channel indicators for protection, clip,

input and output

• Complete short circuit, overload, high temp, clip and

DC protection

• Wide AC input from 110V to 230V

3. FEATURES

4. NOMENCLATURE AND FUNCTIONS

4.1 FRONT PANEL

4.2 REAR PANEL

 









1. Protection

The protection mode kicks in in case of a short

circuit or overload on the output, a DC error or

an internal overheating issue. If this is the case,

the protection indicator will be permanently lit

(orange).

2. Clipping

In case the input signal is too high, the ampliﬁer

is literally driven to its limits and hence can no

longer reproduce the signal undistorted. When

this is the case for any channel, this will be indi-

cated by the clip indicator (red). To resolve, just

turn down the input gain of the aected channel

a slight bit.

3. Input

The input indicator will lit up (green) whenever

there is an incoming signal detected for the

respective channel.

4. Output

The input indicator will lit up (green) whenever

there is an outgoing signal for the respective

channel and basically shows the ampliﬁer is in its

normal working state.

5. Power

When the unit is powered, the power indicator will

be permanently lit (blue).

6. Power switch

The power switch is used to power on/o the PRH

ampliﬁer.

 

 





Produkt Specifikationer

Mærke:	Artsound
Kategori:	Modtager
Model:	PRH-4240

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