HSU MBM-12 MK2 Скачать руководство пользователя страница 6

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Repair

If your unit needs service, please re-review the troubleshooting section first.

Contact tech support via e-mail (24/7) or call 1-800-554-0150 9am to 5pm Pacific time, Monday through Friday.

We will try and respond to emails sent to [email protected] within two business days.

• Recheck the connections between the source and the MBM-12 MK2.

• With the volume on the MBM-12 MK2 turned to a low setting, try

plugging the MBM-12 MK2 directly into a CD player or lightly

touching the unplugged end of the input cable. If you hear noise

from the MBM-12 MK2, the problem is with your connection to the

system. If you hear no noise, try turning the volume on the MBM-

12 MK2 up some more. If you still hear no noise, call/e-mail tech-

nical support for authorization to send the amplifier back for service.

• If wire is loose, tighten the connector and reconnect.

• Take the driver out of the cabinet and connect to your main amplifier.

If it plays fine, then the amp is bad. If it does not play, then the

woofer is bad. Call/e-mail technical support for authorization to

send non-working part back for service.

• Correct the polarity of the speaker wires by matching the +/- from

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 Radio Shack SPL meter, or built-in tones on your

pre-amp/processor. See “Volume Level” in Step 4.

• When you shut down your equipment, turn off the MBM-12 MK2

first. When powering up, turn on the MBM-12 MK2 last.

The MBM-12 MK2 is not receiving

a signal.

MBM-12 MK2 amplifier is faulty.

Connection between the MBM-12

MK2 amplifier and woofer is faulty.

Driver or amplifier is faulty.

You used speaker level connections

and have mixed up the polarity of

the wires, thus shorting one channel

of the main amplifier.

You used speaker level connections

and one or both your main amplifi-

er’s ‘ - ’ are not true ground.

Level on MBM-12 MK2 or receiver’s

subwoofer output is too low.

Noise is being generated by up-

stream equipment.

No output from

the MBM-12 MK2

(LED lights up

red).

No output from

the MBM-12 MK2

(LED turns

green).

Little or no sound

from one main

speaker..

Bass output from

MBM-12 MK2

is low.

MBM-12 MK2

thumps when the

system is being

turned on and off.

Problem

Cause

Solution

Содержание MBM-12 MK2

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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