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Ashly MFA-6000 - User Manual

Ashly MFA-6000
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MFA-8000
MFA-6000
Power Amplifier
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 Internet: http://www.ashly.com/
Off On
0(Clip)-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 On
0(Clip)-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-8000
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Ashly MFA-6000 Specifications

General IconGeneral
Channels2
Total Power6000 W
Amplifier ClassClass D
Input Sensitivity1.4 V
Input ConnectorsXLR, 1/4" TRS
DSPNo
Frequency Response20 Hz - 20 kHz
THD (Total Harmonic Distortion)< 0.1%
Input Impedance20 kΩ
ProtectionDC, thermal, short circuit
Output ConnectorsSpeakon, binding posts
Network ControlYes
Signal-to-Noise Ratio> 104 dB (A-weighted)
Height1.75" (1RU)
Dimensions (H x W x D)3.5" x 19" x 15.25" (89 mm x 483 mm x 387 mm)

Summary

AC Power Requirements

AC Voltage and Current Requirements

Specifies voltage, frequency, and current requirements for powering the amplifier.

AC Grounding Essentials

Explains the importance of proper grounding to prevent hum and shock hazards.

Additional Front Panel Indicators

Protect Indicator (PROTECT LED)

Explains the red PROTECT LED, indicating fault conditions and automatic load disconnection.

Bridged Mono Operation and Design Theory

Troubleshooting Common Issues

No Audio Output Troubleshooting

Troubleshooting steps for scenarios with no audio output, covering power and indicator status.

Distorted Sound Diagnosis

Diagnosing and resolving distorted audio, checking clipping and signal levels.

Hum and Buzz Noise Resolution

Steps to identify and eliminate hum or buzz noise, checking grounding and connections.

Comprehensive Amplifier Specifications

Output Power Ratings

Lists the output power ratings for various impedances and modes.

Frequency Response and Distortion

Specifies frequency response and total harmonic distortion levels.

Amplifier and Load Protection Features

Lists the various protection features for the amplifier and connected loads.

Indicator Functions Explained

Explains the function of the front panel indicators (level meters, CLIP, LIMIT, THERM, PROTECT).

Power Requirements and Current Draw

Lists AC power voltage, frequency, and current draw specifications.

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