Page 2 - Please record the following information for your records:; TABLE OF CONTENTS
Please record the following information for your records: Serial Number: Date of Purchase: Dealer Name: Dealer Address: City/State/Zip: Country: Invoice Number: Bass Management Controller TABLE OF CONTENTS 1. SAFETY PRECAUTIONS............................................................................
Page 3 - SAFETY INSTRUCTIONS
1. SAFETY INSTRUCTIONS 1. READ INSTRUCTIONS - All safety and operating instructions should be read before this product is operated. 2. RETAIN INSTRUCTIONS - The safety and operating instructions should be retained for future reference. 3. HEED WARNINGS - All warnings on this product and in the opera...
Page 4 - OBSERVATIONS by Ken Kreisel
2. M&K’S DESIGN PHILOSOPHY Our philosophy is that exciting and lifelike sound and music reproduction takes place when your ears, in effect, become the recording microphones. Our speakers are designed to allow you to hear exactly what the microphonesheard, placing you as close or as far away from...
Page 5 - INTRODUCTION
By combining a carefully designed low frequency acoustic rolloff of all the main speakers, including the surrounds, and a matching 2nd order electronic filter in the M&K Bass Management Controller, M&K achieves allthe theoretical benefits of a 4th order Linkwitz-Riley filter. In addition, to...
Page 7 - Input and Output Connector Wiring; The XLR connectors on the LFE-4 are wired as follows:; General Connection Guidelines; Remove jumper; GROUNDING
Input and Output Connector Wiring The XLR connectors on the LFE-4 are wired as follows: Pin 3: Minus Pin 2: Plus Pin 1: Ground General Connection Guidelines To avoid loud transients that may damage your speakers and hurt your ears, turn off your power amplifiers before connecting or disconnecting an...
Page 8 - CONNECTING FOR STEREO; -CHANNEL STEREO CONNECTIONS
6. CONNECTING FOR STEREO 1. Connect the left and right outputs of your mixer 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 your power amplifiers or directly to yourpowered loudspeakers. 3. Connect one of the subwoofer outputs of th...
Page 9 - CONNECTING FOR DOLBY DIGITAL; DOLBY DIGITAL 5.1 CONNECTIONS
7. CONNECTING FOR DOLBY DIGITAL 1. Connect the left, center, right, left surround and right surround outputs of your mixer 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 your power amplifiers or directly to yo...
Page 10 - CONNECTING FOR DTS
(Note: In order to gain an extra 10dB of headroom on the low frequency effects (LFE) channel, Dolby specifies that this channel be recorded 10dB lower than the 5 main channels. This 10dB lower level is made up inthe playback chain to restore the correct 5 channel to .1 channel balance. For additiona...
Page 11 - CALIBRATING YOUR M&K PROFESSIONAL SYSTEM; The M&K Professional test disc; phones and appropriate room analyzing software.
5. If you are using passive speakers with external amplifiers, connect your speaker system to thepower amplifiers. 6. Locate the external power supply for the LFE-4 and plug it into the 4 pin power connector on the back ofthe LFE-4. Secure it in place by turning the outer ring clockwise. Plug the ex...
Page 12 - PLACEMENT RECOMMENDATION
Track three: 1 kHz sine wave recorded at –20dB FSD. Use this to set the reference level of your 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 PLACEMENT There is considerable debate within the professional audio ...
Page 13 - SUBWOOFER PLACEMENT; CABINET ORIENTATION
The speakers should be placed so that the tweeters are directly in line with the listener’s ears, that is, on-axis. (M&K pow-ered speakers have a red LED recessed into the front baffle. Thelistener will know when his speakers are on-axis when he can seethis LED. If this LED is not visible, eithe...
Page 14 - SPEAKER CALIBRATION; Your speakers should now be in their final positions.; SUBWOOFER CALIBRATION
13. SPEAKER CALIBRATION 1. Your speakers should now be in their final positions. 2. Remove all EQ and signal processing from the monitor path. 3. Turn all volume controls in the signal chain to their “reference level” position. These volume controlsinclude the console main monitor pot, submaster fad...