Ashly TRA-4150 user manual

User manual for the device Ashly TRA-4150

Device: Ashly TRA-4150
Category: Stereo Amplifier
Manufacturer: Ashly
Size: 0.46 MB
Added : 1/14/2014
Number of pages: 16
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Summary of the content on the page No. 1

 
  
Powerflex
Multi-Channel Power Amplifiers
Operating Manual
  
  

  Powerflex
6250
 

  


  Powerflex
4400



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

Summary of the content on the page No. 2

Operating Manual - Powerflex Multi-Channel Power Amplifier   1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2 UNPACKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 AC POWER REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3.1 AC Voltage Requirements . . . . . . . . . .

Summary of the content on the page No. 3

Operating Manual - Powerflex Multi-Channel Power Amplifier 10 DESIGN THEORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 11 TROUBLESHOOTING TIPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 11.1 No Audio Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 11.2 Distorted Sound . . . . . . . . . . . . . . . . . . . . . . . . .

Summary of the content on the page No. 4

Operating Manual - Powerflex Multi-Channel Power Amplifier 1. INTRODUCTION The right to any claim against a public carrier can be forfeited if the carrier is not notified promptly and if The Ashly Powerflex amplifiers combine the effi- the shipping carton and packing materials are not avail- ciency of a MOSFET high-speed switching output stages able for inspection by the carrier. Save all packing mate- with the sophistication of modern microprocessors and DSP rials until the claim has been sett

Summary of the content on the page No. 5

Operating Manual - Powerflex Multi-Channel Power Amplifier power loss in the cable would be half that of a 100 ft run 3.3 AC Grounding Requirements of #14 wire as shown in the table, or 1.6% of 150W, which To reduce the risk of ground loop hum, all system is an insignificant 2.4 watts. However, if you were to run ground references should originate at the same point in 200 ft of 18 ga. cable to a 4Ω load, the loss would be twice your AC power distribution. Do not remove the amplifier’s that of t

Summary of the content on the page No. 6

Operating Manual - Powerflex Multi-Channel Power Amplifier          Powerflex 6250 0    6. FRONT PANEL INDICATORS operation at an ambient room temperature of 50°C (122°F) or less with typical audio program and all channels driven 6.1 Power Switch into 4Ω . When the unit is switched on there is a five sec- ond delay, during which time the PROTECT circuit will 6.5 Protect Indicator activate, disconnecting the speak

Summary of the content on the page No. 7

Operating Manual - Powerflex Multi-Channel Power Amplifier * Powerflex 6250 shown - Powerflex 4400 only has channels 1-4. 0 7. REAR PANEL FEATURES 7.1 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. Use the euro-block connectors to daisy-chain multiple amps together . Input XLR jacks are pin 2 h

Summary of the content on the page No. 8

Operating Manual - Powerflex Multi-Channel Power Amplifier    - - - - - -    , . . , . . , . .       ) ) ) ) ) )  >  >  >  >  >  > < < < & &, -&.  ? ?  ? ?  ? ?    * * ** * * ** * * **    , - . & &, -&. * @9 6  @9 6  @9 6  !  '  !  '  !  '  -*01 -*01 -*01 PUSH PUSH PUSH PUSH PUSH PUSH Po werf l ex 6250 shown - Po werf l ex 4400 only has inputs 1-4.   

Summary of the content on the page No. 9

Operating Manual - Powerflex Multi-Channel Power Amplifier '"%6#/6#7)* 6 (6 7  !" + ,  " Ω %&'( # !$ -./ * %&' Ω & 0  " 345.-* * ' 7 /   %%&1   (Ω Powerfl ex 6250 shown - ' ()*+ ' ()*+ ' ()*+ Powerfl ex & & & 4400 only has channels 1-4       with no 70V output.    , - . & & & & & & The

Summary of the content on the page No. 10

Operating Manual - Powerflex Multi-Channel Power Amplifier 8.3 Output overcurrent - more than 15 to 20 amps 8. SELF-PROTECTION FEATURES being drawn from any output. Possible causes would be total load on the affected output exceeding recommenda- Powerflex amplifiers contain circuitry to self-pro- tions (disconnect some speakers), or a short circuit on one tect during extreme fault conditions. These fault condi- of the outputs driven by the affected module (inspect tions are: speaker wiring f

Summary of the content on the page No. 11

Operating Manual - Powerflex Multi-Channel Power Amplifier 9. 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. The ability to easily mix and match various configurations is what puts the "flexibility" in Powerflex. Input connections can be 1/4" phone plug, XLR, or hard-wir

Summary of the content on the page No. 12

Operating Manual - Powerflex Multi-Channel Power Amplifier 9.3 Bridged Mono Setup '   Input Section: Possible Applications: Up to Three Different Inputs 70 Volt Constant Voltage Systems (6250 Only) Stereo/Mono Switches - In Subwoofers Dual/Bridge Switches - In High Powered Monitors Levels Controls - Only Channels 1, 3, or 5 Used High Powered Full Range PA Speakers - - - - - - , .  . , .  . , .  .       ) ) ) ) ) )  >  >  >  >  >  > < 

Summary of the content on the page No. 13

Operating Manual - Powerflex Multi-Channel Power Amplifier 10. DESIGN THEORY 11. TROUBLESHOOTING TIPS Powerflex amplifiers are based on stereo driver modules that use digital processing to generate a spread- 11.1 No Audio Output spectrum switching pattern between about 200KHz and 1.5MHz, depending on input signal amplitude and fre- 1.) Power LED not lit: quency. This overcomes the self-limiting and inherent weakness in traditional class D fixed-frequency PWM Line fuse is blown or power outlet

Summary of the content on the page No. 14

Operating Manual - Powerflex Multi-Channel Power Amplifier 11.2 Distorted Sound 11.3 Hum or Buzz Noise 1.) Clip LED is flashing regularly Be sure that the power cord’s 3-prong plug is con- nected to a properly earth-grounded outlet. Lifting the Amplifier is being overdriven. Turn down the in- grounding third prong may not improve hum or buzz and put level control, or reduce the output level from the sig- can create a potential shock hazard. nal source. Hum is usually caused by ground currents

Summary of the content on the page No. 15

Operating Manual - Powerflex Multi-Channel Power Amplifier 13. SPECIFICATIONS Typical Idle Current Powerflex 6250 Powerflex 4400 *Power Output 120V: 0.81A 120V: 0.9A (Maximum Average Power, 0.1% THD, 1KHz) 240V: 0.42A 240V: 0.5A Rated Per Channel, Two Channels Driven Current with Typical Audio Program Material (4 ohm load Powerflex 6250 Powerflex 4400 - all Channels) 4 ohm: 250 Watts RMS 400 Watts RMS Powerflex 6250 Powerflex 4400 8 ohm: 150 Watts RMS 275 Watts RMS 120V: 6.5A 120V: 7.0A 25V (625

Summary of the content on the page No. 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. Printed in USA 10/01 6250-3


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