Hafler 9505, 9303 manual R V I C E P O L I C Y a N D L I M I T E D W a R R a N T Y

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S E R V I C E P O L I C Y A N D L I M I T E D W A R R A N T Y

If you encounter any difficulty or have any question concerning your 9303 and 9505 Amplifier, please call our Technical Support Department weekdays, 8:00 a.m. to 3:30 p.m., Mountain Standard Time, at 800-795-2385.

Should you have any doubts as to whether the amplifier is malfunctioning and requires service, please call us before sending it in for repair. All units being returned (regardless of warranty status) must receive a Return Authorization (RA) number. In addition, we can offer troubleshooting assistance that may simplify or even eliminate the need for factory service.

The Hafler 9303 and 9505 Amplifiers are warranted to the original owner (non-transferrable) for seven years from the date of purchase, including parts, labor, and return shipping costs within the Continental United States, Alaska, and Hawaii. This warranty applies only to products sold in the United States Of America.

For warranties outside the U.S.A., please contact your local agent.

It is the owner’s responsibility to pay shipping (preferably United Parcel Service, UPS) to the factory: collect shipments will not be accepted. Units under warranty should be accompanied by a copy of the dated Bill Of Sale. Use the original carton and all packing material, with the RA number clearly marked on the outside of the package. Be sure to include a return address, the RA number, a daytime telephone number, and a brief description of the difficulty, including whether it occurs continuously or intermittently.

This warranty gives you specific legal rights. You may also have other rights which may vary from state to state.

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Contents Trans T I C E I M P O R T a N T S a F E T Y I N F O R M a T I O N R F O R M a N C E Specification S B L E O F C O N T E N T S InstallationT R O D U C T I O N InstallationBalanced Input 1/4 Tip Ring Sleeve E R a T I O N Power SwitchH E M a T I C D I a G R a M Page B O a R D L a Y O U T R T S L I S T 9303 / 9505 Functional Block Diagram Theory and Operation of transnova C H N I C a L R E F E R E N C ECommon Mode Rejection R V I C E P O L I C Y a N D L I M I T E D W a R R a N T Y EUROPE, FAX 49 4207-801250 in JAPAN, FAX 81 MAN-0587-D 4/95

9505, 9303 specifications

The Hafler 9303 and 9505 are both high-performance power amplifiers that have garnered a solid reputation among audiophiles and professionals in the audio industry. These amplifiers are designed to deliver high-quality sound reproduction with performance and reliability, making them suitable for various audio applications, from home theater systems to professional studio work.

The Hafler 9303 is a versatile amplifier known for its warm sound and consistent performance. With a power output of 100 watts per channel at 8 ohms and 150 watts at 4 ohms, it provides ample headroom for dynamic peaks in music without distortion. The 9303 features a classic, rugged design and is equipped with an exceptional thermal management system to prevent overheating during extended use. Its circuitry incorporates advanced feedback technology that minimizes distortion and enhances audio clarity. The amplifier also supports both balanced and unbalanced inputs, allowing for flexible integration into various audio systems.

On the other hand, the Hafler 9505 takes the performance up a notch with a powerful 200 watts per channel at 8 ohms, and it can reach 300 watts at 4 ohms. This model is ideal for driving larger speakers and can handle demanding audio setups. The 9505 incorporates Hafler's proprietary active feedback design, which maximizes damping factor and ensures accurate transient response. Its robust construction and high-quality components provide longevity and reliability, making it a favorite among professionals who require consistent performance in demanding environments.

Both amplifiers feature dual-mono construction, ensuring independent power supply for each channel, which helps in maintaining channel separation and reducing crosstalk. This design contributes to a wider soundstage and clearer audio reproduction, crucial for critical listening and professional applications. Furthermore, the amplifiers are equipped with comprehensive protection circuitry, safeguarding the components against speaker short circuits and thermal overloads.

In summary, the Hafler 9303 and 9505 power amplifiers represent an excellent choice for anyone seeking reliable and high-fidelity audio performance. With their impressive power outputs, advanced technologies, and robust designs, these amplifiers are versatile enough to cater to both home audio enthusiasts and professional sound engineers, ensuring that they deliver exceptional sonic experiences across various settings.
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