Table of Contents
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Unpacking Procedures
Installation Information
Description & Specifications
Product Overview
The Front Panel
Grommes~Precision
Grommes~Precision is an American manufacturer of original, custom, and private labeled audio/electronic equipment for use in commercial, consumer, and industrial applications since 1946.
Grommes~Precision
Precision Electronics
AXIOM 250
INSTRUCTION MANUAL
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Troubleshooting
Grommes~Precision
847-599-1799 — 800-SINCE-46 — FAX: 847-599-6178
1331 Estes Ave. — Gurnee, IL 60031 — USA
The Back Panel
Speaker Installation
The Auto-Mute Circuit
Using Trumpet Speakers
Maintenance
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Table of Contents
Related Manuals for Precision Electronics AXIOM 250
Summary of Contents for Precision Electronics AXIOM 250
- Page 1 Grommes~Precision Precision Electronics AXIOM 250 INSTRUCTION MANUAL Unpacking Procedures ..The Back Panel ..Installation Information ..Speaker Installation ..Description & Specifications ..The Auto-Mute Circuit ..Product Overview ..Using Trumpet Speakers ..The Front Panel ..Maintenance ..
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Page 2: Unpacking Procedures
AXIOM 250 INSTRUCTIONS Thank you for purchasing from Grommes~Precision! Grommes~Precision and its commercial audio division, Precision Electronics, has been designing, engineering, and manufacturing quality sound equipment in the United States since it started opera- tion in March of 1946. Over a half a century of quality, service, and flexibility as “Your Personal Manufacturer”... -
Page 3: Description And Specifications
III. DESCRIPTION & SPECIFICATIONS DESCRIPTION The AXIOM 250 is a 1.5 channel high fidelity commercial audio amplifier that provides 250 watts of continuous RMS power directly into 8 ohm or transformer isolated 25V or 70.7V lines. Designed for all-in-one telephone paging solutions, the AXIOM 250 includes a balanced 600 ohm/Tel-Page input... -
Page 4: Product Overview
AXIOM 250 INSTRUCTIONS IV. PRODUCT OVERVIEW V. THE FRONT PANEL 1 - VOLUME CONTROL 3 - POWER SWITCH This gain control adjusts the master volume This switch turns the unit on or off. level of output for the amplifier. 4 - POWER INDICATOR... -
Page 5: The Back Panel
AXIOM 250 INSTRUCTIONS VI. THE BACK PANEL MODEL: AXIOM 250 PRECISION ELECTRONICS, INC. A GROMMES~PRECISION COMPANY 1331 ESTES AVENUE GURNEE, IL 60031 EIA #871 SERIAL # 1 - AC Line Cord Three conductor line cord for AC supply volt- age. -
Page 6: Speaker Installation
AXIOM 250 INSTRUCTIONS VII. SPEAKER INSTALLATION The AXIOM 400 is designed to be connected to 4 ohm speakers directly, or to variable impedance speakers that match the amplifier’s line output voltage of 25V or CONNECTING FOR DIRECT 8 OHM OPERATION Connect 8-ohm speaker(s) to terminals 1 and 2. -
Page 7: The Auto-Mute Circuit
AXIOM 250 INSTRUCTIONS VIII. THE AUTO-MUTE CIRCUIT The Auto-Mute Circuit DISABLING OR ENABLING THE AUTO-MUTE CIRCUIT The AXIOM series of mixer amplifiers include a built-in automatic Connect shunt here to mute circuit. The MIC/TEL-PAGE/600 ohm input channel, can auto- disable the Auto-Mute matically mute the AUX channel. -
Page 8: Troubleshooting
AXIOM 250 INSTRUCTIONS X. TROUBLESHOOTING SYMPTOM POSSIBLE CAUSE POSSIBLE SOLUTION(S) No AC power present. Power Indicator on Verify the unit is receiving AC power. • Front Panel Does Verify the AC outlet has proper AC voltage available. • Not Glow: Unit’s AC circuit breaker is...
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