Hsu Research Subwoofer STF User Manual

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.

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.

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.

TABLE OF

CONTENTS

UNPACKING . . . . . . . . . . . . . 3

PLACEMENT . . . . . . . . . . . . 3

HOOKUP . . . . . . . . . . . . . . . 4

VOLUME LEVEL . . . . . . . . .5

CROSSOVER . . . . . . . . . . . . 5

FINE TUNING . . . . . . . . . . . . 5

TROUBLESHOOTING . . . . . 6

REPAIR . . . . . . . . . . . . . . . . .7

SPECIFICATIONS . . . . . . . . 8

WARRANTY . . . . . . . . . . . . .8

SAFETY INSTRUCTIONS

NO USER SERVICEABLE

PARTS ARE INSIDE.