Niles Audio HD-800: 35 Hz to 21 kHz, HD-650: 45 Hz to 21 kHz specifications HD-525

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P R E L I M I N A R Y T E C H N I C A L D A T A S H E E T

HD525 HD650 HD800

HIGH DEFINITION HIGH DEFINITION HIGH DEFINITION

HD HIGH DEFINITION — Designed for superior sonic quality and durability.

SPECIFICATIONS

FREQUENCY

RESPONSE

Plus or minus 3 dB

HD-525: 55 Hz to 21 kHz

HD-650 : 45 Hz to 21 kHz

HD-800 : 35 Hz to 21 kHz

RECOMMENDED AMPLIFIER POWER

HD-525: 10 to 100 watts

HD-650: 10 to 125 watts

HD-800: 10 to 150 watts

SENSITIVITY

88 dB 2.83V @ 1 meter.

HD-525

5 1/4” Mica-Filled Polypropylene Woofer with Inverted Butyl Rubber Suspension

1” ElastoDynamicTM Wide Dispersion Tweeter

Complete System consists of: HD-525 Speaker; 525 Bracket Kit and 525 Frame/Grille Kit

HD-650

6 1/2” Mica-Filled Polypropylene Woofer with Inverted Butyl Rubber Suspension

1” ElastoDynamicTM Wide Dispersion Tweeter

Complete System consists of: HD-650 Speaker; 650 Bracket Kit and 650 Frame/Grille Kit

INTRODUCTION

The HD High Definition group offers loudspeakers designed for superior sonic quality and dura- bility. They employ advanced technology components designed to extract all of the subtle nuances in recorded music or the thunderous action in a movie. They are perfect anywhere that quality of sound is the most important consideration.

IMPEDANCE

6 ohm nominal

HEIGHT X WIDTH

(With frame)

HD-525: 9 7/8” x 7 1/8”

HD-650: 11 11/16”x 8 3/4”

HD-800: 10 3/16” x 14 1/4”

HOLE CUTOUT

HD-525: 6 1/4” x 9”

HD-650: 7 5/8” x 10 5/8”

HD-800: 9 1/8” x 13 1/8”

DEPTH BEHIND WALL

(Assumes 1/2” drywall)

HD-525: 2 1/2”

HD-800

• 8” Mica-Filled Polypropylene

Woofer with Inverted Butyl Rubber

Suspension

• 1” ElastoDynamicTM Wide

Dispersion Tweeter

Complete System consists of: HD-800 Speaker; 800 Bracket Kit and 800 Frame/Grille Kit

FEATURESANDBENEFITS

HD-650: 2 15/16”

HD-800: 3 1/8”

NILES ®

B L E N D I N G H I G H F I D E L I T Y

A N D A R C H I T E C T U R E ®

Mica-Filled Polypropylene Woofers

The mica-filled polypropylene cone achieves new standards in transient speed and dynamic range because of its phenomenal rigidity and improved stiffness to mass ratio. The inverted butyl surrounds, the BumpBackTM mag- nets and the rigid steel basket are all optimized for large excur- sions of the cone. In this way, each of the HD speakers deliver exceptionally deep and detailed bass at realistic sound pressure

levels, without the mechanical- ly induced limiting and distortion of typical designs.

ElastoDynamicTM Hybrid

Dome Tweeter

Constructed from a composite matrix of elastomers and natural fiber substrates, the Elasto- DynamicTM tweeter offers extend- ed high frequency response with- out any harsh ringing or over- shoot. Additionally, the elas- tomers offer the added benefit of weather resistance, making it

uniquely suitable for use out- doors or in moist environments.

Acoustic Fine Tuning

An installer set “NORMAL /PRES- ENCE” control located behind the speaker baffle allows the speaker to be tuned to your par- ticular room acoustics. You can adapt the sound for a room with lots of furniture, heavy drapes and wall to wall carpeting.

CONTINUED OTHER SIDE

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Contents HD-650 HD-525HD-800 Weather-Proof Easy Retrofit InstallationConstruction MatrixReinforced Baffle

HD-525: 55 Hz to 21 kHz, HD-800: 35 Hz to 21 kHz, HD-650: 45 Hz to 21 kHz specifications

Niles Audio is known for creating high-quality audio products that cater to both residential and commercial applications. Among their impressive lineup, the Niles HD series stands out, featuring models such as the HD-650, HD-800, and HD-525. Each of these speakers comes with distinct frequencies, advanced technologies, and features that make them ideal for various sound environments.

Starting with the Niles HD-650, this model boasts a frequency response of 45 Hz to 21 kHz. This wide frequency range ensures that you can enjoy deep bass as well as clear treble, making it ideal for audiophiles who appreciate rich sound quality. The HD-650 incorporates a robust weather-resistant design, allowing it to perform exceptionally well in outdoor settings. Its 6.5-inch polypropylene woofer and 1-inch tweeter work in tandem to deliver a full spectrum of sounds without distortion.

Next up is the Niles HD-800, which takes things a step further with a frequency response that ranges from 35 Hz to 21 kHz. With an emphasis on lower frequencies, this model ensures a powerful bass response, making it perfect for those who enjoy watching movies or listening to music with deep undertones. The HD-800 features a 8-inch polypropylene woofer and a 1-inch aluminum tweeter, providing a balanced soundstage and enhanced clarity. This speaker is also engineered with advanced crossover technologies to deliver seamless integration between the woofer and tweeter, resulting in an immersive audio experience.

The HD-525 rounds out the lineup with a frequency response of 55 Hz to 21 kHz. It is designed for versatility, making it suitable for both background music and critical listening. Its 5.25-inch aluminum cone woofer and 1-inch tweeter deliver a wide range of sound reproduction, ensuring clarity and detail. The HD-525 is engineered with Niles' unique technologies, including low dispersion design, which minimizes nodal points and maximizes coverage across the listening space.

All three models utilize Niles’ commitment to high-performance audio technologies, including robust construction materials that enhance durability and performance. The speakers are designed for ease of installation and come with mounting hardware for versatile positioning. Overall, the Niles Audio HD series represents an excellent choice for anyone looking to elevate their audio experience, whether indoors or outdoors.