Crown Audio MA-36X12, MA-24X6 Power Cord, Reset Switches, PIP Module, Input Sensitivity Switch

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

3 Operation

3.3Back Panel Controls and Connectors

G. Power Cord

120 VAC, 60 Hz units have a 20-amp (12 AWG) line cord with a grounded NEMA 5-15P plug. See Section 8 for AC power usage.

H. Reset Switches

The reset switches are used to reset the break- ers that safeguard each power supply from overload.

I. PIP Module

The standard P.I.P.-FX is included with your amplifier. It provides female XLR input connec- tors. A variety of other PIP modules can be

used in place of the P.I.P.-FX. They add addi- tional features that customize the amplifier for different applications. For information on avail- able PIP modules visit the Crown website at http://www.crownaudio.com.

Input Sensitivity Switch

The three-position input sensitivity switch located inside the amplifier is accessed by removing the PIP module (I). It is factory-set to 0.775 volts for rated 8 ohm output. It can also be set to 1.4 volts for rated output, or a voltage gain of 26 dB (see Section 4.3.3).

J. Balanced Phone Jack Inputs

Balanced ¼-inch phone jack input connectors are provided on the back panel of your ampli- fier. The phone jacks can be wired for either

balanced (tip, ring and sleeve) or unbalanced (tip and sleeve) input signals. Because they are electrically in parallel with the PIP input con- nectors, input signals should not be connected to the phone jacks when certain PIP modules are installed (see the Crown Amplifier Applica- tion Guide availabel online at www.crownau- dio.com). The phone jacks can also be used as “daisy chain” outputs to simplify connecting input signals to multiple amplifiers.

K. Ground Lift Switch

This switch isolates or “lifts” the phone jack signal grounds from the AC power ground. Activating the switch inserts an impedance between the sleeve of each phone jack and the unit’s AC ground to help prevent the hum that can result from a ground loop.

L. Balanced XLR Inputs

The factory-installed P.I.P.-FX provides a three- pin female XLR connector for balanced input to each channel. The XLR inputs are connected in parallel with the amplifier’s phone jack inputs.

Because the P.I.P.-FX does not have any active circuitry, its XLR connectors can also be used as “daisy chain” outputs to connect signals from phone jack inputs to multiple amplifiers .

M. Output Jacks

A pair of versatile 5-way binding posts is pro- vided for the output of each channel. The 5-way binding posts accept banana plugs, spade lugs or bare wire. Note: Because of its higher output power, the Macro-Tech 36x12 has an additional set of binding posts.

Figure 3.2 Back Panel

Controls and Connectors

Operation Manual

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Contents Some models may be exported under the name Amcron MA-24X6MA Series amplifiers require Class 2 output wiring Important Safety InstructionsUse only with a cart, stand, bracket, or table Crown International, Inc Safety StandardTCF Technical Certificate No P4300CRI1.IWS Competent Body’s Name and AddressTable of Contents How to Use This Manual FeaturesWelcome Unpack Your Amplifier Install Your Amplifier SetupYou may also stack amps without using a cabi- net Connectors Choose Input Wire Balanced LineDistance Wire Size Choose Output Wire and Con- nectorsSystem Wiring a Macro-Tech 36x12 is shown Wire Your SystemConnect to AC Mains Startup ProcedureTurn up the level of your audio source to an optimum level Operation PrecautionsSignal/IOC Indicator Front Panel Controls Indicators Dust FilterOdep Indicator Enable IndicatorReset Switches Power CordInput Sensitivity Switch Ground Lift SwitchStandby Mode Advanced Features OptionsProtection Systems Output Device Emulation Protection OdepCircuit Breakers Transformer Thermal ProtectionCircuit Designs Grounded Bridge Input Ground Lift Switch Replace the PIP module and restore the powerOptions PIP Modules IQ-PIP-USP2 AdapterFront panel has several helpful indicator LEDs Figure TroubleshootingOdep and Signal/IOC Indicator States Theory of Operation Only ONE Channel Shown Specifications Dimensions Power Draw at IdleWeight Output ImpedanceTypical Phase Response Following equation is used to calculate thermal dissipation AC Power Draw Thermal DissipationAC Power Draw Thermal Dissipation Service 12/01 WarrantyWorldwide Except USA & Canada Nature of Problem Crown Factory Service InformationThis 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.
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