Crown Audio MA-24X6, MA-36X12 operation manual Only ONE Channel Shown

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Macro-Tech MA-24X6 & 36X12 Power Amplifiers

6 Theory of Operation

XLR

P.I.P.

BALANCED

INPUTS

1/4" PHONE

 

+Vcc

+Vcc

B

A

(ODEP)

(ODEP)

TRANSLATOR LVA

 

 

 

 

NPN HI

NPN LOW

 

 

 

 

 

 

OUTPUT

OUTPUT

 

 

 

 

 

 

STAGE

STAGE

 

 

 

 

E

 

 

 

 

+Vcc

 

 

 

 

 

 

 

 

 

A

 

 

OUTPUT

 

 

 

 

B

 

CURRENT

 

 

 

 

BIAS

 

BIAS

 

 

 

ODEP

LIMIT

 

 

 

 

C

 

+

 

 

 

 

D

 

 

 

 

 

 

 

 

 

 

 

BALANCE

VARIABLE

ERROR

 

 

 

BRIDGE

–Vcc

INPUT STAGE

GAIN STAGE

AMP

 

PNP HI

PNP LOW

BALANCE

 

 

 

 

 

OUTPUT

OUTPUT

 

 

 

 

 

 

STAGE

STAGE

 

 

 

 

TRANSLATOR

LVA

C

D

 

 

DISPLAY

 

 

 

 

 

–Vcc

(ODEP)

(ODEP)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

–Vcc

 

 

ONLY ONE CHANNEL SHOWN

Figure 6.1 Circuit Block Diagram (Channel 1)

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Operation Manual

Image 20
Contents MA-24X6 Some models may be exported under the name AmcronUse only with a cart, stand, bracket, or table Important Safety InstructionsMA Series amplifiers require Class 2 output wiring Safety Standard Crown International, IncTCF Technical Certificate No P4300CRI1.IWS Competent Body’s Name and AddressTable of Contents Welcome FeaturesHow to Use This Manual You may also stack amps without using a cabi- net SetupUnpack Your Amplifier Install Your Amplifier Choose Input Wire Balanced Line ConnectorsChoose Output Wire and Con- nectors Distance Wire SizeWire Your System System Wiring a Macro-Tech 36x12 is shownTurn up the level of your audio source to an optimum level Startup ProcedureConnect to AC Mains Precautions OperationFront Panel Controls Indicators Dust Filter Signal/IOC IndicatorOdep Indicator Enable IndicatorPower Cord Reset SwitchesInput Sensitivity Switch Ground Lift SwitchAdvanced Features Options Standby ModeProtection Systems Output Device Emulation Protection OdepCircuit Designs Grounded Bridge Transformer Thermal ProtectionCircuit Breakers Replace the PIP module and restore the power Input Ground Lift SwitchOptions PIP Modules IQ-PIP-USP2 AdapterTroubleshooting Front panel has several helpful indicator LEDs FigureOdep and Signal/IOC Indicator States Theory of Operation Only ONE Channel Shown Specifications Power Draw at Idle DimensionsWeight Output ImpedanceTypical Phase Response AC Power Draw Thermal Dissipation Following equation is used to calculate thermal dissipationAC Power Draw Thermal Dissipation Service Warranty 12/01Worldwide Except USA & Canada Crown Factory Service Information Nature of ProblemThis page intentionally left blank This page intentionally left blank Macro-Tech MA-24X6 & 36X12 Power Amplifiers

MA-36X12, MA-24X6 specifications

Crown Audio is a renowned name in the professional audio industry, celebrated for its commitment to innovation and reliability. Two prominent offerings that stand out in their lineup are the MA-36X12 and MA-24X6 power amplifiers. Designed for versatility and performance, both models cater to a variety of applications, ranging from commercial installations to live sound environments.

The Crown MA-36X12 amplifier delivers 36 channels of robust power, making it an ideal choice for larger systems requiring multiple zones of audio distribution. Its ability to provide a solid output ensures that every speaker in a setup receives the necessary power, maintaining audio clarity and preventing distortion. The MA-36X12 is engineered with a focus on thermal efficiency, utilizing advanced cooling systems to minimize overheating during extended use. Additionally, its compact design allows for easy integration into various environments, whether it be schools, conference centers, or places of worship.

On the other hand, the Crown MA-24X6 amplifier offers 24 channels of audio powerhouse capability. With slightly less power than the MA-36X12, the MA-24X6 is still no slouch; it provides exceptional sound quality, making it suitable for smaller installations or setups requiring fewer channels but high-quality delivery. The MA-24X6 features an intuitive user interface, allowing for seamless adjustments and monitoring of each channel's performance. This amplifier also comes equipped with integrated signal processing capabilities that enable users to fine-tune audio output according to specific acoustics and requirements.

Both models incorporate Crown’s proprietary DriveCore technology, which combines superior sound quality with greater efficiency in amplifying audio signals. This technology minimizes power consumption while maximizing output, ensuring that audio reproduction is both dynamic and clear. Furthermore, Crown’s Smart Amp technology enhances reliability by incorporating self-monitoring functions that provide real-time feedback on performance and status.

In terms of connectivity, the MA-36X12 and MA-24X6 amplifiers come with a variety of inputs and outputs to accommodate diverse audio sources and speaker configurations. Their rugged construction makes them well-suited to endure the rigors of live events and installations, ensuring they deliver consistent performance over time.

In summary, the Crown Audio MA-36X12 and MA-24X6 amplifiers exemplify the brand's dedication to quality and innovation in professional audio solutions. With advanced technologies and versatile features, they respectively cater to both large and small installation needs, making them reliable choices for audio professionals around the globe.