Yamaha CA-44 Owner's Manual

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Yamaha CA-44 Amplifier Specification

The Yamaha CA-44 is a vintage integrated amplifier designed for audiophiles seeking a blend of classic sound quality and reliable performance. Released in the late 1970s, this amplifier is noted for its robust build and straightforward functionality. It features a power output of 15 watts per channel into 8 ohms, which is suitable for small to medium-sized rooms. The CA-44 is equipped with a wide frequency response range from 20 Hz to 20 kHz, ensuring detailed audio reproduction across the sound spectrum. Its harmonic distortion is remarkably low, at less than 0.1%, which contributes to its clean and accurate sound.

The amplifier includes multiple input options, such as phono, tuner, and auxiliary, allowing users to connect various audio sources. Its phono stage is designed to accommodate moving magnet cartridges, making it ideal for vinyl enthusiasts. The front panel is user-friendly, featuring controls for volume, balance, bass, and treble, which provide users with the ability to fine-tune the sound output to their preference. Additionally, the CA-44 is equipped with a loudness switch to enhance sound dynamics at low listening levels.

Constructed with a solid aluminum chassis, the CA-44 reflects Yamaha's commitment to durability and high build quality. The aesthetic design is characterized by a minimalist front panel with a brushed metal finish, contributing to its timeless appeal. Despite its vintage status, the Yamaha CA-44 remains a sought-after model for its warm sound signature and dependable performance, making it a valuable addition to any classic audio setup.

Yamaha CA-44 Amplifier F.A.Q.

How do I connect my Yamaha CA-44 Amplifier to external speakers?

To connect external speakers to your Yamaha CA-44 Amplifier, locate the speaker terminals at the back of the amplifier. Connect the speaker wires to the corresponding positive (+) and negative (-) terminals, ensuring the polarity matches on both the amplifier and speakers.

What should I do if the amplifier does not power on?

If your Yamaha CA-44 Amplifier does not power on, first check the power cable and ensure it is securely plugged into a working outlet. Verify that the fuse is not blown, and replace it if necessary. If the problem persists, consult a professional technician.

How can I eliminate humming noise from the amplifier?

To reduce humming noise, check all cable connections for proper seating and ensure that all audio cables are shielded. Avoid running audio cables parallel to power cords. If the issue remains, consider using a ground loop isolator.

What is the recommended maintenance routine for my Yamaha CA-44 Amplifier?

Regularly dust the exterior and ensure ventilation slots are clear. Periodically check for loose connections and clean the contacts with contact cleaner. Have the amplifier serviced by a professional once a year for optimal performance.

How can I connect a turntable to the Yamaha CA-44 Amplifier?

Connect the turntable's RCA cables to the amplifier's phono input. If your turntable does not have a built-in preamp, ensure the amplifier's phono stage is active. Ground the turntable to the amplifier using the ground wire to prevent hum.

What are the first steps in troubleshooting sound distortion issues?

Begin by checking speaker connections and ensuring cables are secure. Test with different audio sources to rule out source issues. If distortion persists, reduce the volume to see if overloading is the cause, and inspect speakers for damage.

Can I use my Yamaha CA-44 Amplifier with a subwoofer?

Yes, you can connect a subwoofer using a line-level RCA connection if the subwoofer has a line-level input. Alternatively, use the speaker-level inputs if available on the subwoofer. Ensure the subwoofer is compatible with your amplifier's output power.

How do I clean the knobs and switches on the amplifier?

Turn off the amplifier and unplug it. Use a soft, dry cloth to gently clean the knobs and switches. For deeper cleaning, use a small amount of contact cleaner on the switch contacts and rotate the knobs to ensure even distribution.

What is the best way to store the amplifier when not in use?

Store the Yamaha CA-44 Amplifier in a cool, dry place away from direct sunlight and moisture. Cover it with a dust cover to prevent dust accumulation, and ensure it is not stacked with heavy items which might cause damage.

How can I improve the sound quality of my Yamaha CA-44 Amplifier?

Ensure speakers are correctly positioned and matched to the amplifier's output. Use high-quality audio cables and source material. Experiment with room acoustics, such as adding soft furnishings, to reduce echoes and improve sound clarity.