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NO USER SERVICEABLE

PARTS AREINSIDE.

The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.

Le symbole éclair avec point de flèche à l’intérieur d’un triangle équilatéral est utilisé pour alerter l’utilisateur de la presence à l’intérieur du coffret de “voltage dangereux” non isolé d’ampleur suffisante pour constituer un risque d’éléctrocution.

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product.

Le point d’exclamation à l’intérieur d’un triangle équilatéral est employé pour alerter les utilisateurs de la présence d’instructions importantes pour le fonctionnement et l’entretien (service) dans le livret d’instruction accompagnant l’appareil.

9.Keep the power cord in operable condition. Protect the power cord from being walked on or pinched.

10.Only use attachments/accessories specified by the manufacturer.

11.Unplug this apparatus during lightning storms or when unused for long periods of time.

12.Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

13.To completely disconnect this equip- ment from the mains, disconnect the power supply cord plug from the receptacle.

14.Connect the subwoofer to a power supply of the type described in these operation instructions or as marked on the subwoofer.

This apparatus does not exceed the

Class A/Class B (whichever is applicable) limits for radio noise emissions from digi- tal apparatus as set out in radio interfer- ence regulations of the Canadian Department of Communications.

SAFETY INSTRUCTIONS

1.Read these instructions – Read all the safety and operation instructions before operating the subwoofer.

2.Keep these instructions – Keep the safety and operating instructions for future reference.

3.Follow all instructions – Follow all operating and other instructions.

4.WARNING: To reduce the risk of fire or electric shock, this apparatus should not be exposed to rain or moisture. Do not use this apparatus near water – for example, near a bathtub, washbowl, kitchen sink, laundry tub, in a wet basement or near a swimming pool.

5.Clean only with dry cloth.

6.Do not block any ventilation openings. Install in accordance with the manufac- turer’s instructions.

7.Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.

8.Do not defeat the safety purpose of

the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding-type plug has two blades and a third ground- ing prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your out- let or extension cord so the blades are fully inserted, consult an electrician for replacement of the obsolete outlet.

TABLE OF

CONTENTS

UNPACKING . . . . . . . . . . . . . 3 PLACEMENT . . . . . . . . . . . . 3 HOOKUP . . . . . . . . . . . . . . . 4 VOLUME LEVEL . . . . . . . . .5 CROSSOVER . . . . . . . . . . . . 5 FINE TUNING . . . . . . . . . . . . 5 TROUBLESHOOTING . . . . . 7 REPAIR . . . . . . . . . . . . . . . . .8 SPECIFICATIONS . . . . . . . . 9 WARRANTY . . . . . . . . . . . . .9

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Hsu Research VTF-2 manual Safety Instructions

VTF-2 specifications

The Hsu Research VTF-2 is a high-performance subwoofer that represents the pinnacle of audio engineering excellence in home theater and music playback. Known for its deep bass response and exceptional sound quality, the VTF-2 is designed to deliver an immersive audio experience that can transform any room into a captivating listening environment.

One of the standout features of the VTF-2 is its dual-driver design, which employs a 12-inch polypropylene cone woofer and a pair of high-excursion drivers. This configuration allows the subwoofer to produce powerful low frequencies while maintaining accuracy, ensuring that even the most subtle audio nuances are clearly articulated. The VTF-2 is capable of achieving a frequency response range as low as 20 Hz, making it well-suited for both music and film applications.

The VTF-2 incorporates advanced technologies that contribute to its outstanding performance. One such technology is the variable tuning feature, which allows users to switch between two different tuning options: a sealed and a ported configuration. This versatility enables users to tailor the subwoofer's output to match their specific room acoustics and personal preferences, providing flexibility in setup options.

Additionally, the VTF-2 is built with a robust cabinet construction, utilizing high-quality MDF (medium-density fiberboard) to minimize resonance and enhance sound clarity. The sleek, modern design of the cabinet is both attractive and functional, featuring a front-firing port to optimize placement in various environments without compromising audio quality.

Another notable characteristic of the VTF-2 is its powerful internal amplifier. Designed with efficiency in mind, this amplifier delivers 350 watts of continuous power and peaks up to 700 watts, providing ample headroom for dynamic audio playback. The integration of high-grade components ensures reliability and longevity, making the VTF-2 a worthwhile investment for serious audiophiles.

In summary, the Hsu Research VTF-2 subwoofer combines innovative technologies, such as dual drivers, variable tuning, and a powerful amplifier, within a sturdy and attractive cabinet. These features collectively enable it to produce unparalleled bass performance and precise audio reproduction. Whether used in a home theater or a dedicated music listening room, the VTF-2 is engineered to exceed expectations and create an engaging listening experience.