Sony SA W641 Service Manual

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Sony SA W641 Specification

The Sony SA-W641 is a high-performance powered subwoofer designed to enhance the audio experience by delivering deep, resonant bass. Its robust construction features a 150-watt amplifier that effectively drives its high-excursion 12-inch woofer, ensuring powerful and clear low-frequency sound reproduction. The subwoofer is engineered with a frequency response range from 20 Hz to 200 Hz, allowing it to capture the full spectrum of bass notes with precision. It includes variable crossover controls, enabling users to adjust the frequency cut-off between 50 Hz and 200 Hz to blend seamlessly with other speakers in a home theater or audio system. Additionally, the phase switch provides further flexibility in matching the subwoofer's output with the main speakers, ensuring optimal sound alignment. The SA-W641 is equipped with both line-level and speaker-level inputs, offering versatile connectivity options to accommodate different types of audio setups. Its sleek black finish and compact design make it an aesthetically pleasing addition to any living space, without compromising on performance. The subwoofer's front-firing design ensures that bass is projected directly into the room, enhancing the overall listening experience. For enhanced durability and minimal distortion, the SA-W641 incorporates a rigid cabinet structure and advanced damping materials. These features collectively contribute to reducing unwanted resonance and vibrations, providing cleaner and more accurate bass output. The Sony SA-W641 stands out as an ideal solution for those seeking to elevate their audio environment with impactful and immersive bass performance.

Sony SA W641 F.A.Q.

How do I connect the Sony SA-W641 subwoofer to my audio system?

To connect the Sony SA-W641, use an RCA cable to connect the subwoofer's LINE IN jack to the subwoofer pre-out on your AV receiver. Ensure the subwoofer is powered off during the connection.

What should I do if the Sony SA-W641 is not producing any sound?

Check power connections, ensure the subwoofer is turned on, and verify the volume is turned up. Also, check the RCA cable for any damage and confirm the receiver's subwoofer setting is enabled.

How can I adjust the bass level on my Sony SA-W641?

Use the LEVEL control knob located on the rear panel of the subwoofer to adjust the bass output to your preference.

What maintenance is required for the Sony SA-W641?

Regularly dust the exterior and ensure the ventilation holes are unobstructed. Avoid using harsh chemicals on the subwoofer's surface.

Can I use the Sony SA-W641 with a soundbar?

Yes, if your soundbar has a subwoofer output, you can connect it using an RCA cable. Ensure the soundbar’s settings are correctly configured to output sound to the subwoofer.

How do I set up the Sony SA-W641 for optimal performance?

Place the subwoofer near a wall or corner for better bass response. Adjust the crossover frequency on your AV receiver to match your main speakers, typically around 80Hz.

What are the dimensions of the Sony SA-W641?

The Sony SA-W641 dimensions are approximately 14.5 inches (W) x 15 inches (H) x 16 inches (D).

Is there a standby mode on the Sony SA-W641?

Yes, the Sony SA-W641 has an auto-standby function that automatically turns the subwoofer off after a period of inactivity to conserve energy.

What type of amplifier is built into the Sony SA-W641?

The Sony SA-W641 is equipped with a built-in amplifier rated at 100 watts RMS, providing powerful bass output.

How do I clean the Sony SA-W641's grille?

To clean the grille, gently use a soft brush or vacuum with a brush attachment to remove dust. Avoid using any liquid cleaners directly on the grille.