Sennheiser HD 660 S Apogee Instruction Manual

Sennheiser HD 660 S Apogee manual cover
Pages 124
Year 2021
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Sennheiser HD 660 S Apogee Specification

The Sennheiser HD 660 S Apogee is a high-fidelity, open-back headphone designed for audiophiles and audio professionals seeking superior sound quality and precision. This model builds upon the legacy of the renowned HD 660 S, incorporating advanced acoustic engineering and premium materials to deliver an exceptional listening experience. The headphones feature a 38mm dynamic driver with a refined voice coil, enabling low harmonic distortion and an extended frequency response range from 10Hz to 41kHz. This ensures accurate sound reproduction across the audible spectrum, with a focus on delivering deep bass, natural mids, and detailed highs.

The impedance of 150 ohms makes the HD 660 S Apogee suitable for use with a wide range of audio sources, though it performs optimally with high-quality amplifiers. The headphones come with a detachable 3-meter cable featuring a 6.3mm stereo plug, providing versatility and ease of use, while the inclusion of balanced and unbalanced connections ensures compatibility with various audio setups. Enhancing comfort and durability, the design incorporates plush velour earpads and a robust metal headband with an inner damping element, offering extended listening sessions without discomfort.

The HD 660 S Apogee also boasts a unique partnership with Apogee Electronics, integrating their digital audio expertise to optimize sound quality for digital music playback. This collaboration enhances the headphone's performance when paired with digital audio devices, making it a versatile choice for both professional studio use and high-end personal listening. Overall, the Sennheiser HD 660 S Apogee embodies a sophisticated blend of cutting-edge technology and ergonomic design, catering to users who demand the highest standards in audio fidelity.

Sennheiser HD 660 S Apogee F.A.Q.

How do I properly connect the Sennheiser HD 660 S Apogee to my audio interface?

To connect the Sennheiser HD 660 S Apogee to your audio interface, use the balanced XLR cable for optimal sound quality. Ensure that the audio interface supports balanced input for best performance.

What is the best way to clean and maintain the Sennheiser HD 660 S Apogee headphones?

To clean the headphones, use a soft, dry cloth to wipe the exterior surfaces. Avoid using any liquids or cleaning solutions. Periodically check the ear pads and headband for wear and consider replacing them if necessary.

Can I replace the ear pads on the Sennheiser HD 660 S Apogee?

Yes, the ear pads on the Sennheiser HD 660 S Apogee can be replaced. Gently pull the existing pads from the ear cups and align the new pads before pressing them into place.

What should I do if the sound from my Sennheiser HD 660 S Apogee is distorted?

First, check the connection to ensure that the cable is securely plugged in. If the issue persists, try the headphones with a different audio source to determine if the problem is with the headphones or the original device.

How can I improve the soundstage of my Sennheiser HD 660 S Apogee?

To enhance the soundstage, ensure you are using a high-quality audio source and consider using an amplifier or DAC that complements the headphones' characteristics. Proper positioning on your head can also affect the perceived soundstage.

Is it possible to use the Sennheiser HD 660 S Apogee with a mobile device?

Yes, you can use the Sennheiser HD 660 S Apogee with a mobile device, but you may need an adapter if your device lacks a suitable headphone jack. Additionally, using a portable DAC/amp can improve audio quality.

What is the optimal storage condition for the Sennheiser HD 660 S Apogee?

Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures. Use the provided storage case to prevent dust accumulation and accidental damage.

How can I test if my Sennheiser HD 660 S Apogee is functioning correctly?

To test functionality, connect the headphones to a reliable audio source and play a high-quality track. Listen for balanced sound across all frequencies and check for any unusual noises or distortions.

What are some common troubleshooting steps for the Sennheiser HD 660 S Apogee?

Common troubleshooting steps include checking cable connections, testing with different audio sources, inspecting for physical damage, and ensuring that the audio source settings are correctly configured.

Can I use third-party cables with the Sennheiser HD 660 S Apogee?

Yes, third-party cables can be used with the Sennheiser HD 660 S Apogee, but ensure they are of good quality and compatible with the headphone's connectors to avoid any impact on sound quality.