DOD SR431QXLR, SR831QXLR, SR830ZXLR, SR430QXLR owner manual Maintenance and service

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SR Series EQ’s

ATTENTION: DO NOT USE BOTH THE BALANCED AND UNBALANCED INPUT/OUTPUT JACKS TO A CHANNEL AT THE SAME TIME. Using more than one connector at a time for the input/output pair can unbalance balanced lines, cause phase cancellation, short a conductor to ground, or cause damage to other equipment connected to the equalizer.

Maintenance and service

Other than keeping the unit clean and occasionally checking the connectors and cables to the unit for integrity, there is no maintenance necessary for DOD equalizers.

There are NO user serviceable parts inside the units. Opening the chassis will void the warranty. All service and repair must be performed by the factory or an authorized service center for the warranty to remain in service.

Should a problem arise with the equalizer, please contact your authorized DOD Electronics dealer for return/repair procedures.

Specifications

Frequency Response: 20Hz to 20kHz, =0/-0.5 dB

Low Cut Filter: 12 dB/ octave roll-off, 3 dB down at 50 Hz switchable in or out.

Frequency Center Tolerance: 5%

Control Range: 12 dB cut/ boost

Recommended Operating Level: -10 dBV to +4 dBu

Input Impedance: 40k Ω balanced, 20k Ω unbalanced

Maximum Output Level: +21 dBu (balanced or unbalanced)

Input Level Control: +/-12 dB

Input Level Indicator: LED bar graph; -10,0,+10, and +17

Harmonic Distortion: .006% @ 1 kHz

S/N Ratio: Greater than 90 dB (ref. 0.0775Vrms)

Electronic Switching: In/Out and Filter switches (FET type)

Power Requirements: 100/120/220-230/240 VAC, 50/60 Hz @ 18 watts

Dimensions 430 and 431: 1.75”x6”x19”

Dimensions 231, 830, and 831: 3.5”x6”x19”

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Contents SR 231QX SR 430QX SR 431QX SR 830QX SR 831QX Mains Plug Warning SR Series EQ’s Mains Plug WarningNeutral Blue SR Series EQ’sLive GREEN/YEL GreenWHY a 1/3RD Octave or a 2/3RD Octave EQUALIZER? IntroductionFor 1/4 Mono Phone Plug Connection Installation4SR Series EQ’s XLRApplications Sound Reinforcement ApplicationsStudio Applications SR Series EQ’sMUSICAL Instrument ApplicationsFront Panel Functions Description OperationRear Panel Functions Maintenance and service DOD Warranty Ucts Previously Manufactured10SR Series EQ’s SR 430QX SR 431QX SR 830QX SR 831QX SR 231QXDeclaration of Conformity EMCSANDY, Utah

SR430QXLR, SR830ZXLR, SR831QXLR, SR 231QX, SR 430QX, SR 431QX, SR 830QX, SR 831QX, SR431QXLR specifications

The Department of Defense (DoD) has developed a range of advanced technologies and systems under the SR designation that cater to various operational requirements. Among these, the SR830ZXLR, SR430QXLR, SR231QX, SR430QX, SR431QX, SR830QX, SR831QX, SR431QXLR, and SR831QXLR stand out for their unique features and capabilities, each engineered to meet specific mission demands.

The SR830ZXLR is notable for its exceptional processing power and advanced sensor integration. It is equipped with state-of-the-art electronics that allow for real-time data analysis and decision-making. Its long-range communication capabilities ensure seamless information flow, making it an indispensable asset in high-stakes environments.

The SR430QXLR model focuses on enhanced surveillance and reconnaissance tasks. It boasts cutting-edge imaging technologies that support various weather conditions and terrain. The onboard analytics can process and relay critical information to command centers, enhancing situational awareness during operations.

For versatility, the SR231QX provides a balanced approach to performance and durability. It is designed to operate in a multitude of environments, from arid deserts to harsh arctic conditions. Its rugged design ensures longevity and reliability, making it a staple for both ground and air operations.

The SR430QX offers an improved platform for data processing and warfare simulation. With its modular architecture, it can adapt to a multitude of mission requirements, integrating new technologies as they become available. The SR431QX expands on this capability with added features for enhanced maneuverability and combat readiness.

The SR830QX and SR831QX are primarily focused on offensive capabilities, optimized for rapid deployment and engagement. Their lightweight design allows for quick transport, while their advanced weapon systems ensure they are always mission-ready.

The SR431QXLR and SR831QXLR emphasize long-range operational capabilities. These models incorporate advanced propulsion systems that extend their range and endurance, making them suitable for extended missions without the need for frequent resupply.

Together, these SR systems embody the DoD's commitment to leveraging technology for superior operational effectiveness. Each model is a testament to advanced engineering and design, ensuring that U.S. forces maintain an edge in diverse and dynamic combat environments.