Bedienungsanleitung Peavy PV 900 (Seite 7 von 40) (Englisch)

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ENGLISH

SERIES PROFESSIONAL STEREO POWER AMPLIFIER

INTRODUCTION

Congratulations! You have just purchased the world’s finest professional power amplifier. The PV amplifier

features a two-way crossover and sub-sonic (low-cut) filter for each channel. Crossover frequencies are fixed

at 150 Hz, allowing subwoofers to be driven at extremely high sound pressure levels, and the filters cut at

40 Hz to prevent low-end rumble. Using proven technology gained through years of amplifier design, this unit

takes advantage of rugged TO-3P output devices mounted on massive aluminum extrusions and dissipates

heat via an extremely quiet and effective two-speed fan. PV amplifiers employ mammoth toroidal power

transformers and offer impressive specifications and features not found on similarly priced competitive units.

This amp is designed to drive a 2-Ohm load per channel, thus achieving awesome performance levels into

4 Ohms in BRIDGE mode. PV amplifiers are ruggedly constructed, rack-mountable pieces of gear with

superb patching capability, allowing superior flexibility in application. Front panel features include calibrated,

detented gain (dB) controls and LED indicators for power (PWR), signal presence (SIG), and DDT

™

(Distortion Detection Technique) activation on each channel, as well as a rocker mains POWER switch. The

back panel contains an IEC connector for the mains power cord, a mains circuit breaker with reset, and the

critical cooling fan opening. This opening should have an adequate supply of cool air and should never be

blocked or restricted. Also on the back panel are the input and output sections, including an input barrier strip

for permanent installations. Each channel input section includes a combo XLR / 1/4" phone jack connector,

THRU/LOW out and HIGH out 1/4" jacks, and activation switches for the LOW CUT filter and crossover

(150 Hz XOVER). Channel output sections feature dual shock-proof binding posts and four-conductor

Speakon

connectors. An additional four-conductor Speakon connector allows BRIDGE mode output.

UNPACKING

Inspect the amplifier during unpacking. If any damage is found, notify your dealer immediately. Be sure to

save the carton and all packing materials. Should you ever need to ship the unit back to Peavey Electronics,

one of its service centers, or the dealer; use only the original factory packing.

INSTALLATION

PV professional power amplifiers are designed for durability in commercial installations and provide the

quality performance required in studio and home applications. They are two-rack-space units of 16" (406 mm)

depth designed to mount in a standard 19" rack. Rear mounting ears are provided for additional support. The

minimum rack depth required from the mounting surface is 17" (432 mm) to allow adequate connector

clearance.

BASIC SETUP

Rack mount the amplifier in the location where it is to be used, remembering to allow for adequate access

and cooling space. Make all the connections to the proper INPUT connectors on the desired channel. Select

the proper mode configuration (STEREO or BRIDGE). Connect speakers to the proper OUTPUT connectors,

reviewing carefully the impedance and phase considerations. With the POWER switch OFF, connect the IEC

cord (7) to the amplifier and then to a suitable electrical outlet to allow proper current draw. With both channel

gain (dB) controls at their fully counterclockwise (-∞) settings, turn the POWER switch to ON, and slowly

raise the gain controls to desired settings. Please carefully review this manual. It covers all this information in

greater detail.

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Peavy PV 900 Seite 7

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