Lab.gruppen IP Series IP 450 Manuel utilisateur

POWER AMPLIFIERS

iP 450

The iP 450 is a space-saving power amplifier, ideal for use in

installations as well as in cost-effective live sound systems.

The iP 450 has the same features and protection circuits as

Lab.gruppen’s more powerful amplifiers.Today there are many power

amplifiers in this power range in the markets,however they used to

save on important features

This makes the iP 450 one of the few professional power amplifiers in

the low-medium power level range.

The Iron Power (iP) family of power amplifiers is the new compact

and versatile line of professional power amplifiers with classic toroidal

iron transformers. To achieve a compact design,the latest semiconduc-

tor technology is utilized.

Besides the traditionally superb Lab.gruppen sonic performance,

there is a full line of features to make the iP family functional in all

situations from installation to cost-effective live sound systems:

Multiple positions Gain switch

To meet the demands for a flexible gain structure in the system,

Lab.gruppen offers a multiple position gain switch.The maximum

amplifier gain can be set to all industry standards:20, 23,26, 29,32,35,

38 and 41 dB.

Versatile input connection

With the Neutrik Combo-jack we offer both the professional XLR-type

standard and the semi-pro 1/4”TRS phono-jacks.For installations the

3-pin Phoenix terminal block may be handier.

Sophisticated protection circuitry, combining:

– DC protection; protects against infrasonic signals

–VHF protection; protects the loudspeakers against strong very high

frequency non-musical signals above the audible range.

– Thermal protection; prevents the amplifier from being overheated.

The protection indicators on the front panel are switched on,as a

warning, before the protection process is initiated.

– AC protection; shuts down the power supply if the line voltage is

outside the operating voltage.

– Clip limiter; prevents severely clipped waveforms from reaching the

loudspeakers,whilst maintaining full peak power.

KEY FEATURES:

2 x 110 watts

Ω

2 x 160 watts

Ω

2 x 200 watts

Ω

(Measured just below clip level,

with both channels driven)

◆

Compact design:

1U high

◆

Convection cooling

(No fan)

◆

Multiple positions

gain switch

◆

Neutrik Combo jack and

Phoenix terminal block

input connectors

◆

Bridged mono outputs in

one SpeakOn connector

SPECIFICATIONS iP 450

Lab.gruppen AB, Gullregnsvägen 16, S-434 44 Kungsbacka, Sweden.

Tel. +46 300 168 23. Fax +46 300 142 46. e-mail: [email protected] www.labgruppen.se

LAB.GRUPPEN reserve the right to alter functions or specifications without prior notice.

MAX OUTPUT POWER

EIA at 1 kHz and 1% THD FTC20-20kHz @0.1%THD

8 Ωper channel 110 W 100 W

4 Ωper channel 160 W 150 W

2 Ωper channel 200W2) 180 2) W

8 Ωbridged 320 W 300 W

4 Ωbridged 400 W2) 360 2) W

Max output voltage

8 ohms load 30Vrms

Peak voltage, no load 50V

Distortion etc.

THD 20Hz-20kHz

and 1W to full power 0,05 %

THD @ 1kHZ and –1dB

under clip 0,03 %

DIM 30 at –3dB under clip 0,02 %

Hum and Noise

<-105 dB

Channel separation

10kHz

70 dB

Output impedance

30 mΩ

Slew Rate 25V/µs

Inputs

Gain,selectable [dB] 20,23,26, 29,

32,35, 38,41

Impedance 20 kohm

Common mode rejection 50 dB

Front Panel

Gain controls (2) channel A,B 31 positions detent

Protect indicator (2) yellow LEDs 80°C at heatsink or >12kHz at full power or shorted output

Clip Indicator (2) red LEDs Fast peak – slow release

Signal present indicator (2) green LEDs -25 dB below full output

On Indicator (2) green LEDs DC rail voltage for channelA and B

Rear Panel

Input connectors (2) Neutrik Combo XLR type,3 pin & 1/4”jack

Input /Link connector (2) 3-pin Phoenix terminal block

Output connectors (2) Neutrik 4-pole Speakon connectors

Switches

Clip limiter On-Off (switchable)

Link-switch Ch.A-B

Power 230 V version 115 V version

Operation voltage 130V-265 VAC 65 V – 135V AC

Minimum start voltage 70V 35V AC

Full output power at 4ohms 230V AC 115 VAC

Peak inrush current (Soft start limited) 10 A 5 A

Current Draw

4ohms&230V

Quiescent power (no load) 0.1 Arms 0.2 Arms

1/8 of full power (-9dB) 0.8 Arms 1.6 Arms

1/3 of full power (-5dB) 1.5 Arms 3 Arms

At full power (0 dB) @1 kHz 1% THD 3.3 Arms 6.6 Arms

Net Dimensions mm (inch)

483 (19”) W x 44 (1.75”) H x 280 (11”) D

Shipping Dimensions mm (inch)

450 (17.7”) W x 130 (5.1”) H x 500 (19.7”) D

Net Weight

7.5 kg (17 lbs)

Shipping Weight

9.1 kg (20 lbs)

Approvals

CE Emission EN 55 103-1, E3

Immunity EN 55 103-2,E3, with S/N below 1% at normal operation level 4)

Safety EN 60 065, class I

1) Specifications measured with 230VAC 4) Normal operation level 1/8 of full power or –9dB below clip level.

2) Component tolerance dependent

3) Continuous power, one channel driven or peak power both channels driven

(Thermal protection may occur at high continuous power)

2002-03 V1

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