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Table of Contents
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Summary of Contents for Audio Pole PA 4-250
- Page 1 PA 4-250 4 CHANNEL 4 Ω /70 V /100 V POWER AMPLIFIER USER’S MANUAL...
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Page 2: Table Of Contents
Index Safety instructions …………………………………………………………………….. 1. Introduction ……………………………………………………………………….. 2. Features………………………………………………………………………….… 3. Controls and Settings…………………………………….…………………….… 4-5 4. Installations Hints …..…………………………………….……………………….. 5. Technical Specifications…..………………………………………………..……. 6. Malfunctions ……..……………………………………………………..……..….. 7. Warranty …………………………………………………………………………….. 7... -
Page 3: Safety Instructions
Important Safety Instructions This symbol, wherever used, alerts you to the presence of un-insulated and dangerous voltages within the product enclosure. These are voltages that may be sufficient to constitute the risk of electric shock or death. This symbol, wherever used, alerts you to important operating and maintenance instructions. POWER SUPPLY Ensure that the insource voltage (AC outlet) matches the voltage rating of the product. -
Page 4: Introduction
4 Ohms, 70 V and 100 V for Public Address applications. Unlike most 100 V amplifiers, PA 4-250 does not use output transformers, which allows to power the speakers with a high quality signal. In addition, Class-H technology brings a gain weight and space while offering high- yield performances. -
Page 5: Controls And Settings
Individual protection indicator. PA 4-250 is equipped with a safety start function, muting the amplifier for a few seconds after the power is switched on. This delay is visible through the Led which lights up then shuts off as soon as the amplifier becomes operational. - Page 6 Fonctions et réglages Back Panel 28 29 30 31 36 37 22, 23, 26, 27 - INPUT XLR balanced inputs. 24, 25, 34, 35 - OUTPUT Speaker outputs on screw terminals. Check the tightness of the cables before use. 28, 33, 36, 41 - Levels Adjust the levels of the input signals.
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Page 7: Installations Hints
Installations Hints In case of installation in cabinet or rack, ensure the ventilation requirements. The depth of the unit is 425 mm. The dimensions in height is 2 units Rack (88 mm). Do not position high-gain audio equipment like preamplifiers or recorders just above or below the amplifier. Despite the protections of the radiation device, magnetic fields can induce hum in unscreened ancillary equipment. -
Page 8: Malfunctions
Malfunctions Some occasional problems are very often linked to handling errors. By checking the points listed below, it will be possible to find without difficulty, solutions to potential malfunctions. If problems persist, consult a dealer or an authorized AUDIOPOLE service center. Symptom Cause Solution...
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