English dropdown-ico

MK Sound LFE-4 manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

Go to page of

Similar user manuals

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of MK Sound LFE-4, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

What is an instruction?

The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of MK Sound LFE-4 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.

Unfortunately, only a few customers devote their time to read an instruction of MK Sound LFE-4. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.

What should a perfect user manual contain?

First and foremost, an user manual of MK Sound LFE-4 should contain:
- informations concerning technical data of MK Sound LFE-4
- name of the manufacturer and a year of construction of the MK Sound LFE-4 item
- rules of operation, control and maintenance of the MK Sound LFE-4 item
- safety signs and mark certificates which confirm compatibility with appropriate standards

Why don't we read the manuals?

Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of MK Sound LFE-4 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of MK Sound LFE-4, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the MK Sound service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of MK Sound LFE-4.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the MK Sound LFE-4 item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

    LFE-4 Miller & Kreisel Sound, Inc. 9351 Deering A venue Chatsworth, CA 91311-5858 USA (818) 701-7010 fax (818) 701-0369 www .mk professional.com ©2003 Miller & Kreisel Sound, Inc. bass management operation manual[...]

  • Page 2

    Please record the f ollowing inf ormation for y our records: Serial Number : Date of Purchase: Dealer Name: Dealer Address: City/State/Zip: Countr y: Inv oice Number: Bass Management Controller T ABLE OF CONTENTS 1. SAFETY PRECA UTIONS..........................................................................................................3 2. M&am[...]

  • Page 3

    1. SAFETY INSTRUCTIONS 1. READ INSTRUCTIONS - All safety and oper ating instructions should be read before this product is operated. 2. RET AIN INSTRUCTIONS - The saf ety and operating instructions should be retained f or future reference . 3. HEED W ARNINGS - All warnings on this product and in the operating instructions should be adhered to. 4. F[...]

  • Page 4

    2. M&K’S DESIGN PHILOSOPHY Our philosoph y is that e xciting and lifelik e sound and m usic reproduction tak es place when y our ears , in eff ect, become the recording microphones. Our speakers are designed to allo w you to hear e xactly what the microphones heard, placing you as close or as f ar awa y from the music or sound source as the r[...]

  • Page 5

    By combining a carefully designed low frequency acoustic rolloff of all the main speak ers, including the surrounds, and a matching 2nd order electronic filter in the M&K Bass Management Controller , M&K achiev es all the theoretical benefits of a 4th order Linkwitz-Riley filter . In addition, to fur ther create a seamless bass managed syst[...]

  • Page 6

    The LFE-4 consists of a series of five high-pass filters (one each f or the L, C , R, LS , LR channels) that route high frequency inf ormation (above 80Hz) to their appropriate channel’ s amplifier and speaker monitor . Each channel is also routed through a matching 80Hz low-pass filter . This low frequency inf or mation is then routed to a summi[...]

  • Page 7

    Input and Output Connector Wiring The XLR connectors on the LFE-4 are wired as f ollows: Pin 3: Minus Pin 2: Plus Pin 1: Ground General Connection Guidelines T o a v oid loud transients that ma y damage y our speakers and hurt your ears, turn off your pow er amplifiers bef ore connecting or disconnecting any cab les or the pow er supply on the LFE-[...]

  • Page 8

    6. CONNECTING FOR STEREO 1. Connect the left and right outputs of y our mix er to the left and right input channels of the LFE-4. 2. Connect the left and right outputs of LFE-4 to the inputs of y our power amplifiers or directly to y our powered loudspeak ers . 3. Connect one of the subw oof er outputs of the LFE-4 to the XLR input of your subw oof[...]

  • Page 9

    7. CONNECTING FOR DOLBY DIGIT AL 1. Connect the left, center , right, left surround and r ight surround outputs of your mix er to the left, center , right, left surround and right surround input channels of the LFE-4. 2. Connect the outputs of LFE-4 to the inputs of y our po wer amplifiers or directly to y our powered loudspeakers . 3. Connect the [...]

  • Page 10

    (Note: In order to gain an extra 10dB of headroom on the lo w frequency eff ects (LFE) channel, Dolb y specifies that this channel be recorded 10dB lower than the 5 main channels . This 10dB low er le v el is made up in the pla yback chain to restore the correct 5 channel to .1 channel balance . For additional inf or mation please see the "Dol[...]

  • Page 11

    5. If y ou are using passiv e speak ers with e xter nal amplifiers, connect y our speaker system to the power amplifiers . 6. Locate the e xter nal power supply f or the LFE-4 and plug it into the 4 pin power connector on the bac k of the LFE-4. Secure it in place by turning the outer r ing clockwise . Plug the e xter nal power supply into a power [...]

  • Page 12

    T rac k three: 1 kHz sine wav e recorded at – 20dB FSD . Use this to set the reference le v el of y our source (console, etc.) On an analog console this will be 0VU . On digital sources this will be either – 20dB FSD or – 18dB FSD . 10. SPEAKER PLA CEMENT There is considerab le debate within the prof essional audio community as to the best sp[...]

  • Page 13

    The speakers should be placed so that the tw eeters are directly in line with the listener ’ s ears, that is, on-axis . (M&K pow- ered speakers ha v e a red LED recessed into the front baffle. The listener will know when his speak ers are on-axis when he can see this LED . If this LED is not visible , either the speak er is turned-off or the [...]

  • Page 14

    13. SPEAKER CALIBRA TION 1. Y our speak ers should now be in their final positions . 2. Remo v e all EQ and signal processing from the monitor path. 3. T ur n all volume controls in the signal chain to their “ reference le v el ” position. These v olume controls include the console main monitor pot, submaster f aders and power amplifier v olume[...]

  • Page 15

    15. LFE-4 SPECIFICA TIONS All outputs hav e a +/- 12dB trim control f or balancing the system . LCR and Surround channels: Input Impedance: 20K ohm balanced Output Impedance: 200 ohms balanced High pass filter : 80Hz- 12 dB/octav e Nominal input le vel: +4 dBu Maximum recommended input le v el: +24 dBu Output clipping le vel: +27 dBu Gain Adjustmen[...]

  • Page 16

    LFE-4 manual PN # 70360 7/08/2003 rev .1 pt/qrk[...]