Ashly TRA-4150 Operating Manual
Ashly multi-channel power amplifiers operating manual
Hide thumbs
Also See for TRA-4150:
- Operating manual (13 pages) ,
- Technical notes & specifications (2 pages) ,
- Specifications (2 pages)
Related Manuals for Ashly TRA-4150
Summary of Contents for Ashly TRA-4150
- Page 1 Powerflex Multi-Channel Power Amplifiers Operating Manual ASHLY AUDIO INC. 847 Holt Road Webster, NY 14580-9103 Phone: (716) 872-0010 Toll-Free: (800) 828-6308 Fax: (716) 872-0739 www.ashly.com Powerflex 6250 Powerflex 4400...
-
Page 2: Table Of Contents
Operating Manual - Powerflex Multi-Channel Power Amplifier INTRODUCTION ............4 UNPACKING . - Page 3 Operating Manual - Powerflex Multi-Channel Power Amplifier 10 DESIGN THEORY ............13 11 TROUBLESHOOTING TIPS .
-
Page 4: Introduction
UNPACKING As a part of our system of quality control, every Ashly product is carefully inspected before leaving the factory to ensure flawless appearance. After unpacking, please inspect for any physical damage. Save the ship- ping carton and all packing materials, as they were care-... -
Page 5: Ac Grounding & Earth Grounding
Operating Manual - Powerflex Multi-Channel Power Amplifier AC Grounding Requirements To reduce the risk of ground loop hum, all system ground references should originate at the same point in your AC power distribution. Do not remove the amplifier’s ground pin, as it creates a potential shock hazard. CABLE REQUIREMENTS Input Cables Be sure to use shielded cable whether balanced or... -
Page 6: Front Panel Indicators
Operating Manual - Powerflex Multi-Channel Power Amplifier FRONT PANEL INDICATORS Power Switch When the unit is switched on there is a five sec- ond delay, during which time the PROTECT circuit will activate, disconnecting the speakers from the amplifier output. When turning off the amplifier, the load is removed instantly, and the protect LED will briefly turn on as the power supply discharges. -
Page 7: Rear Panel Features
Operating Manual - Powerflex Multi-Channel Power Amplifier REAR PANEL FEATURES Input Connectors The Powerflex inputs use 1/4" tip-ring-sleeve (TRS) phone jacks, balanced XLR jacks, and balanced two piece "Euroblock" style connectors. The three types of connectors are wired in parallel and may be used balanced or unbal- anced. -
Page 8: Input Ground Switch
-27dB at 12.5Hz, etc. Input Level Controls Input Level Controls attenuate input signal from 0dB down to - . For best performance, Ashly recommends that the level controls be operated at full level (0 dB at- tenuation). In STEREO mode, each level control corresponds directly to the input signal on its respective channel. -
Page 9: Loudspeaker Output Connectors
P o w e r f l e x 6250 shown - P o w e r f l e x 4400 only has channels 1-4 with no 70V output. The Powerflex 6250 is capable of three channels of bridged output, while the Powerflex 440 is capable of two channels of bridged output. -
Page 10: Self-Protection Features
Operating Manual - Powerflex Multi-Channel Power Amplifier SELF-PROTECTION FEATURES Powerflex amplifiers contain circuitry to self-pro- tect during extreme fault conditions. These fault condi- tions are: 1.) Power supply undervoltage 2.) Power supply overvoltage 3.) Output overcurrent 4.) Heat sink overtemperature 5.) Unacceptable DC or high frequency output content 6.) AC power interruption Except for AC power interruption, the detection... -
Page 11: Typical Applications
Operating Manual - Powerflex Multi-Channel Power Amplifier TYPICAL APPLICATIONS The Powerflex 6250 is essentially three stereo amplifiers in one chassis, each with dual stereo, dual mono, and bridged mono capabilities, while the Powerflex 4400 is two stereo amplifiers (four channels), but with more power per channel than the 6250. -
Page 12: Bridged Mono Setup
Operating Manual - Powerflex Multi-Channel Power Amplifier 9.3 Bridged Mono Setup Input Section: Up to Three Different Inputs Stereo/Mono Switches - In Dual/Bridge Switches - In Levels Controls - Only Channels 1, 3, or 5 Used Amplifier Inputs 9.4 Typical PA Setup Subwoofer Full Range Input... -
Page 13: Design Theory
50 watts to each speaker, etc. Combining series/parallel speaker connections is common practice, but if not sure, contact your dealer or Ashly tech support. 3.) Thermal LED and Protect LEDs stay on: Amp module is in thermal protect mode and needs to cool. -
Page 14: Distorted Sound
Operating Manual - Powerflex Multi-Channel Power Amplifier 11.2 Distorted Sound 1.) Clip LED is flashing regularly Amplifier is being overdriven. Turn down the in- put level control, or reduce the output level from the sig- nal source. 2.) Clip LED is not flashing at all Amplifier input signal may be exceeding input headroom, which is greater than +12dBu, or 3.4V rms (measured using continuous 1kHz sine wave). -
Page 15: Specifications
WARRANTY INFORMATION We thank you for your expression of confidence in Ashly products. The unit you have just purchased is protected by a limited five year warranty. To establish the warranty, you must first complete and mail the warranty card attached to your product. - Page 16 Operating Manual - Powerflex Multi-Channel Power Amplifier ASHLY AUDIO INC. 847 Holt Road Webster, NY 14580-9103 Phone: (716) 872-0010 Fax: (716) 872-0739 Toll Free (800) 828-6308 www.ashly.com 2001 by Ashly Audio Corporation. All rights reserved worldwide. 6250-3 Printed in USA 10/01...