Ashly MFA-6000 Operating Manual Download

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Operating Manual - MFA-8000 and MFA-6000 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 Internet: http://www.ashly.com/

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MFA Rev 2

Printed in USA 8/97

Summary of Contents for MFA-6000

Page 1: ...lip 3 6 9 12 15 18 21 24 27 30 Dual Monaural Amplifier Channel One Output Level Limit Thrm Protect AC Power 0 Clip 3 6 9 12 15 18 21 24 27 30 Channel Two Output Level Limit Thrm Protect MFA 6000 Off O...

Page 2: ...Mechanical 5 5 2 Cooling 5 6 FRONT PANEL FEATURES 6 6 1 Power Switch 6 6 2 Output Meters 6 6 3 Clipping Indicator 6 6 4 Limit Indicator 6 6 5 Thermal Indicator 7 6 6 Protect Indicator 7 7 REAR PANEL...

Page 3: ...ize the risk of injury damage or hearing loss please read the entire owner s manual before connecting to a sound system 9 TYPICAL APPLICATIONS 12 9 1 Stereo Operation 12 9 2 Parallel Mono Operation 12...

Page 4: ...lligently respond to hard clipping overheating excessive high frequency energy and output DC thus preventing damage to the amplifier or the load Status LEDs indicate fault condi tions if any and warn...

Page 5: ...r s own impedance reducing the power which is actually deliv ered to the speaker It will also result in a decrease in the damping factor and possible fire hazard Since power at the speaker load is a p...

Page 6: ...serve the relationship between dB below full output and actual clipping 6 3 Clipping Indicator The red CLIP LED is a true clip indicator which monitors the power supply as it is affected by the AC li...

Page 7: ...Protect Indicator Protect mode in ASHLY amplifiers is automati cally activated during extreme fault conditions as well as during power up and power down When in protect mode as indicated by the red LE...

Page 8: ...and environment induced hum and noise The signal is on pin 2 of the XLR and the tip of the phone jack The signal is on pin 3 of the XLR and the ring of the phone jack Unbalanced Inputs If an unbalanc...

Page 9: ...Stereo Parallel Mono Switch This switch selects between STEREO mode in the out position and PARALLEL MONO mode in the in position In PARALLEL MONO mode channel 1 and channel 2 inputs are internally ti...

Page 10: ...cy interference The transformer option is in stalled within the standard input panel and does not change the operation of any switches or controls 8 2 Peak Limiter Compressor The limiter input option...

Page 11: ...1 POWERCARD Input Option Two Way 24dB Oct Crossover Installed Crossover Frequency Full Range CAUTION Never Send Full Range Signal To High Frequency Drivers Low Level 5 10 0 5 10 0 1 2KHz 2 4KHz Off Ba...

Page 12: ...lifier 12 9 TYPICAL APPLICATIONS 9 1 Stereo Operation 9 2 Parallel Mono Operation Both switches out both inputs used both level controls used both outputs used Parallel mono switch in channel 1 input...

Page 13: ...with the necessary circuitry for computer control and monitoring as this capability becomes available in the future 9 3 Bridged Mono Operation 10 DESIGN THEORY The MFA Series amplifiers are based on...

Page 14: ...w better ventilation reduce signal levels or increase load impedance by disconnecting some speakers 11 2 Distorted Sound Output level meters indicate 0dB level red CLIP LED on Amplifier is being clipp...

Page 15: ...15 Operating Manual MFA 8000 and MFA 6000 Power Amplifier 12 DIMENSIONS...

Page 16: ...MFA 6000 13 8 Voltage Gain 80 38dB 13 9 Input Impedance 20K balanced 13 10 Amplifier Protection Fuseless Short circuit protection ultrasonic and RF protection advanced thermal protection 13 11 Load P...

Page 17: ...ranty card attached to your product Fill out the information below for your records Model Number_________________________________ Serial Number _________________________________ Dealer _______________...

Page 18: ...Operating Manual MFA 8000 and MFA 6000 Power Amplifier 18...

Page 19: ...19 Operating Manual MFA 8000 and MFA 6000 Power Amplifier...

Page 20: ...r Amplifier ASHLY AUDIO INC 847 Holt Road Webster NY 14580 9103 Phone 716 872 0010 Fax 716 872 0739 Toll Free 800 828 6308 Internet http www ashly com 1997 by Ashly Audio Corporation All rights reserv...