HSU MBM-12 MK2 Manual Download Page 2

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.

Important Safety Instructions

2

NO USER SERVICEABLE

PARTS ARE INSIDE.

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

5. Do not use this apparatus 

near water.

6. Clean only with dry cloth.

7. Do not block any ventilation 

openings. Install in accordance with

the manufacturer’s instructions.

10. Protect the power cord from being

walked on or pinched particularly at

plugs, convenience receptacles, and the

point where they exit from the apparatus.

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 cord or 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. WARNING: To reduce the risk of fire

or electric shock, this apparatus should

not be exposed to rain or moisture and

objects filled with liquids, such as vases,

should not be placed on this apparatus. 

14. To completely disconnect this 

equipment from the mains, disconnect

the power supply cord plug from the

receptacle. 

15. The mains plug of the power supply

cord shall remain readily operable. 

8. Do not install near any heat sources

such as radiators, heat registers, stoves,

or other apparatus (including amplifiers)

that produce heat. 

9. 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

grounding prong. The wide blade or

the third prong are provided for your

safety. If the provided plug does not fit

into your outlet, consult an electrician

for replacement of the obsolete outlet. 

TABLE OF

CONTENTS

UNPACKING . . . . . . . . . . . . . 3

PLACEMENT  . . . . . . . . . . . . 3

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

FINE TUNING  . . . . . . . . . . . .4

TROUBLESHOOTING  . . . . . 5

REPAIR  . . . . . . . . . . . . . . . . .6

SPECIFICATIONS  . . . . . . . . 7

WARRANTY  . . . . . . . . . . . . .7

Summary of Contents for MBM-12 MK2

Page 1: ...ng the bass range into low and mid high bass we get the best of both worlds very tight dynamic upper bass with micro details plus awesome deep bass performance Note too that i m distortion is also reduced the mid and upper bass signals are no longer modulated by the high amplitude low bass signals Sealed and Ported Variable Tuning Modes Variable tuning is here The new MBM 12 MK2 allows the user to...

Page 2: ...on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 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 cord or plug is damaged liquid has been spilled or objects...

Page 3: ...ects and gives you the tight mid upper bass impact headphones give Close proximity also means high SPL for a given input This results in lower distortion and higher headroom The result is effort less tight and dynamic mid to upper bass MBM 12 MK2 Placement The MBM 12 MK2 should be placed as close to the listener as practical Next to or directly behind placements usually are best Subwoofer Placemen...

Page 4: ...se adjust the level of each by playing good recordings and adjusting the level of the MBM 12 MK2 to give a tight non boomy upper bass and the true subwoofer for a good low end support without making the upper bass lose its tightness Using the Test CD The test CD provided with the MBM 12 MK2 has warble tones from 16 Hz up to 200 Hz Used with a Radio Shack SPL meter you can fine tune your system Use...

Page 5: ...ielded cables can potentially pick up noise Try another interconnect or speaker wire Also move the signal cable away from AC cables power transformers or other EMI sources Use an AC line filter or plug the unit into a different circuit If hum goes away when interconnects are disconnected the hum is coming from the rest of your equipment Add them back one piece at a time The one that causes the sys...

Page 6: ...om the receiver amplifier to the of the MBM 12 MK2 s speaker level input Connect only to the channel that has a true ground If neither channel has a true ground e mail call technical support Increase the volume of the MBM 12 MK2 and the subwoofer level or LFE level on the receiver or other source It is best to set the level of the MBM 12 MK2 relative to the other speakers using a test disk and a R...

Page 7: ...ocument is acceptable or is required This warranty gives you specific legal rights and you may also have other rights which vary from state to state Due to our continual efforts to improve product quality as new technology and techniques become available HSU reserves the right to revise its Speaker Systems specifications without notice 50 150 Hz 2 dB 12 inches 350 Watts RMS 50 150 Hz bypassable 24...

Page 8: ...8 HSU Research 985 N Shepard St Anaheim CA 92806 1 800 554 0150 HSURESEARCH COM ...

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