User manual BLUE SKY BMC MKIII

[. . . ] BMC MK III bass management controller bass management controller MK III Remote BLUE SKY INT REV 3. 00 SOLO c L LFE GAIN + R MENU REF MUTE BM LFE +10 LS SELECT -3dB RS CANCEL Blue Sky International 70 Sea Lane, Farmingdale, New York, 11735 USA · T: +1 516 249 1399 · F +1 516 249 8870 www. abluesky. com BMC MK III USER MANUAL · CONTENTS Important 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Safety Instructions BMC MK III Introduction Important Notes About This Manual The Blue Sky BMC MK III - What is included?A Tour of the BMC MK III I/O Unit A Tour of the BMC MK III Remote System Gain, Sub Offset and Level Overview BMC MK III Power Up Sequence Software Features 5. 1 Speaker Placement 5. 1 System Wiring Information & Diagram 5. 1 Calibration Additional Surround & Setup Information Dual BMC MK III I/O Unit Setup Technical Information & Specifications Product Dimensions Factory Service Instructions General Contact Information Recycling Information Page 3 Page 4 Page 4 Page 4 Page 5 Page 5 Page 7 Page 7 Page 8 Page 10 Page 11 Page 12 Page 15 Page 16 Page 18 Page 18 Page 19 Page 19 Page 19 Page 2 · User Manual - Contents BMC MK III USER MANUAL · SAFETY INSTRUCTIONS 1 READ INSTRUCTIONS - Read all safety and operating instructions before operating this product. RETAIN INSTRUCTIONS - Retain these safety and operating instructions for future reference. HEED WARNINGS - Follow all warnings on this product and in the operating instructions. [. . . ] In most applications, surrounds used for music are placed at the same height as the front speakers for a direct sound field. See Figure 1 Satellite Speaker Placement - FILM / POST PRODUCTION 110° FIGURE 1 B C L R D= B 30° Although the above recommendations should work equally well for both film and music production, there may be situations where a more "film" optimized setup is desirable. To correctly relate audio to picture, the recommended angle between left and right speakers is 45 degrees. This narrower monitoring angle should still yield a very satisfactory stereo image. As with the "music" setup, the center channel speaker, should still be located on axis with the reference monitoring position. Unlike music surrounds, which tend to be direct in nature, film surrounds are usually positioned for a more diffused sound field, to simulate the effect of an array of surround speakers used in a theater. For a single pair of surrounds, this can be accomplished by placing them two feet above seated ear height, to the side of the monitoring position and slightly behind the mix position. For larger rooms, it may also be desirable to use multiple surround speakers as an "array". Satellite Speaker Monitoring Height Recommendations It is recommended that all of the satellite speakers be placed at or about seated ear height, as shown in Figure 2. If it is not possible to place the speakers at or about seated ear height, please aim the speakers at the monitoring position. Subwoofer Speaker Placement Although you have great flexibility in positioning a subwoofer, a good starting point is centered between the left and right satellite speakers. Placing the subwoofer closer to a corner or wall will increase acoustic efficiency and may yield better acoustic response in many situations. However, because of the many variables that relate to "in-room" subwoofer performance, we highly recommend experimenting with subwoofer placement. Visit the Blue Sky website for more detailed and specific recommendations. Speaker placement recommendations, with regard to these types of installations, vary greatly on the end users' goals and surround philosophy. For more specific information regarding your particular installation, please do not hesitate to contact Blue Sky directly. www. abluesky. com LS RS Reference Monitoring Position SPEAKER PLACEMENT AS DOCUMENTED IN RECOMMENDATION ITU-R BS. 775-1 FIGURE 2 Center of the tweeter Center of the woofer Mid-point of the woofer and tweeter MONITORING HEIGHT RECOMMENDATIONS Page 10 · User Manual · 5. 1 Speaker Placement BMC MK III USER MANUAL · 10 · SYSTEM WIRING INFORMATION & DIAGRAM Use high-quality, shielded cables to connect your console, workstation or other sources to your BMC MK III and monitoring system. Foil-shielded cables, such as Belden 8451, 8761, or 9501 should do quite well. Other high quality cables are available and those that incorporate better shielding will yield an overall higher noise rejection, lowering your systems susceptibility to external interference. Another important tip to keep in mind when wiring your system is to route all line level cables away from the AC and other power sources, this will reduce the probability of having AC hum emanating from your monitoring system. 5. 1 Channel Output From Console or Workstation bass management controller MK III 5. 1 Channel Output From the BMC going to the monitoring system. NOTE: Connect the SUB output to the DIRECT input on the subwoofer. SUB e ot le m Re Cab C ol BM ntr Co C L R LS RS 5. 1 Channel Monitoring System User Manual · System Wiring Information & Diagram · Page 11 BMC MK III USER MANUAL · 11 · 5. 1 SYSTEM CALIBRATION The following system calibration instructions are for a bass-managed speaker system, such as Blue Sky's ProDesk, Sky System One, SAT 265, SAT 8, SUB 212, or Big Blue system. There are three steps to the calibration procedure: 1 - Setting the electrical / digital signal level 2 - Setting the reference level (REF) 3 - Setting the acoustic playback level The instructions included within this manual detail two separate ways to do step 3. [. . . ] However, please note that to get the most LF headroom there may be cases where the LFE gain is set to +10dB and the SUB OFFSET on the MAIN and AUX BMC is to -10dB. active subwoofer 200 watt LUCA S F I LM R sub 12 pm3 ON POWER 4. 0 AMP SLOW BLOW 120 VAC 60 Hz Replace Only with Same Rating and Type CAUTION AVIS: RISQUE DE CHOC ELECTRIQUE NE PAS OUVIR 430 WATTS RISK OF ELECTRIC SHOCK DO NOT OPEN ! WARNING:To reduce the risk of fire or electrical shock, do not expose this equipment to rain or moisture. Refer servicing to qualified personnel. designed and tested in the USA made in China User Manual · Dual BMC MK III I/O Unit Setup (continued) · Page 17 BMC MK III USER MANUAL · TECHNICAL INFORMATION & PRODUCT DIMENSIONS 14. Technical Information Input Impedance Common Mode Rejection Ratio Maximum Input Level (all inputs) Maximum Output Level Output Impedance Nominal max gain Gain trim range Gain trim range LFE gain range LFE trim range SUB gain offset Signal to noise ratio Output noise (ch 1-5) Output noise (sub out) THD + Noise (0dB of gain) Frequency Response High-Pass Filter type High-Pass Filter Cutoff Low-Pass Filter Type Low-Pass Cutoff LFE Low-Pass Filter AC Input power 20k Ohms balanced 40dB typical @60Hz +24dBu balanced +24dBu balanced 200 Ohms balanced 0 dB +/- 6dB +/- 6dB 0dB, +10dB +/- 2dB 0dB, -10dB > 120dB -100dBu (20 to 20kHz A-wtg) -90dBu (20 to 20kHz A-wtg) . 001% @ 1kHz @ +10dBu 20 Hz to 20KHz +/- . 25dB (Volume Control Mode) 2nd order Linkwitz-Riley 80Hz 4th order Linkwitz-Riley 80Hz 6th order / 120Hz 100 - 120 VAC 60HZ 200 - 240 VAC 50/60HZ 15-Watts (Voltage set at the factory) BMC MKIII BLOCK DIAGRAM 1 of 5 input channels LEFT SUR IN INPUT 12 dB/OCT 80 HZ HIGH PASS BYPASS -3 dB ENABLE DIGITALLY CONTROL ANALOG POT OUTPUT LEFT SUR OUT BASS SUM 24 dB/OCT 80 HZ LOWPASS -10 dB to other channels REMOTE CONTROL MICRO CONTROLLER LFE IN INPUT DIGITALLY CONTROL ANALOG POT INPUT SELECT DIGITALLY CONTROL ANALOG POT OUTPUT SUB OUT LFE GAIN 36 dB/OCT 120 HZ LOWPASS 15. Product Dimensions 5. 0" 17. 35" 6. 20" 6. 01" 8. 00" 1. 75" bass management controller MK III 19. 00" 2. 6" 1. 4" Page 18 · User Manual · Technical Information & Product Dimensions BMC MK III USER MANUAL · FACTORY SERVICE INSTRUCTIONS, GENERAL CONTACT DETAILS & RECYCLING INFORMATION 16. [. . . ]