Sky System One: 5.1 System, (5) SAT 6.5 MK II, (1) Sub 12 & Bass Management Controller MK II

Sky System One is the original manifestation of Blue Sky’s unique approach to accurate, full-range 5.1 monitoring. Each 100-Watt bi-amplified SAT 6.5 MK II satellite speaker employs a 6.5" hemispherical driver and 1" Neodymium tweeter with a dual concentric diaphragm and integral wave guide. The integral SUB 12 subwoofer features a single long excursion 12" woofer and a 200-Watt, low distortion power amplifier. The bass management for a 5.1 system is incorporated within Blue Sky’s Bass Management Controller (BMC), which also provides calibration and level control. Additionally, two BMC's can be combined to expand a 5.1 system, all the way up to 10.2 channels of audio.

Employing Blue Sky’s proprietary computer-optimized crossover and bass management networks, the Sky System One delivers seamless full-range audio from the subwoofer to the main monitors with smooth on and off-axis frequency response. In addition, the Sky System One is THX pm3® approved for use in THX pm3® certified studios.

Application Notes

Sky System One delivers accurate, full-range nearfield monitoring in a wide variety of 2.1, 5.1 and beyond, surround sound applications. As is the case with all Blue Sky monitoring systems, Sky System One made extensive use of the proprietary BOO™ (Binary Organic Optimization) technology in the development of the crossover and bass management networks to ensure a seamless spectral experience in ‘real world’ monitoring environments.

General Specifications - SAT 6.5 MK II

• Input Impedance: 40k Ohms balanced
• Common Mode Rejection Ratio: 40dB typical 60Hz
• Voltage Sensitivity: 200mV = 90dB SPL @ 1M
• Maximum Input Level: +24dBu balanced
• Frequency Response: +/- 1.5dB 200 to 10kHz, +/- 3.0dB 80 to 20kHz
• Low Frequency Cutoff: 80Hz
• Low Frequency Rolloff: 12dB per octave
• System Q: 0.707
• System Crossover Frequency: 1.5kHz
• System Crossover Slope: 4th order Linkwitz-Riley Acoustic

Enclosure

• Solid 3/4" MDF construction with 1" front and rear baffle"
• Viscoelastic energy absorbing front baffle coating
• 1/4"x 20 inserts for attachment of OmniMount type 100 brackets.
• Dimensions are 12" H x 8" W x 10 1/4" D (11.88" with heatsink and tweeter wave guide)
• Weight 27lbs.

6 1/2" Hemispherical Woofer

• Long excursion design with a cast aluminum frame
• 1 1/2" aluminum voice coil with vented motor for high power handling
• Copper shorting ring for lower distortion.
• Ultra-Low power compression
• Mica filled polypropylene cone and rubber surround
• Fully video shielded

1" Tweeter

• Dual concentric diaphragm with integral wave guide
• High power handling neodymium motor structure
• Fully video shielded
• Sub 1Khz primary resonance

Satellite Amplifier

• Discrete symmetrical bipolar design with localized feedback
• 100-Watts RMS into 4-Ohms for the woofer
• 100-Watts RMS into 4-Ohms for the tweeter
• THD + Noise less than 0.015% at rated output @1kHz
• XLR balanced input
• Adjustable gain control.
• Computer optimized crossover

General Specifications - Sub 12

• All subwoofer measurements are measured using the subwoofer direct input, which
  does not have a low pass filter.
• Voltage Sensitivity: 90dB SPL @ 100mv @ 1M (40 to 80Hz bandwidth limited)
• Frequency Response (anechoic): 30 to 200Hz +/-3dB
• Typical In-Room Response: 20 to 200Hz (3000 Cubic Feet)

Bass Management Section

• Input Impedance: 20k Ohms balanced
• Common Mode Rejection Ratio: 40dB typical @60Hz
• Maximum Input Level (all inputs): +24dBu balanced
• Maximum Output Level: +24dBu balanced
• Output Impedance: 200 Ohms balanced
• Auto Mute Time Out: >15 Minutes
• Mute Threshold (all inputs): 30mV

Left & Right Inputs to Sat Outputs

• Gain (balanced in and out): 0dB
• High-Pass Filter type: 2nd order Linkwitz-Riley
• High-Pass Filter Cutoff: 80Hz
• High-pass Filter Q: 0.707
• THD + Noise: 0.002% @ 1kHz @ +4dBu

Left & Right Inputs to Sub Out

• Gain: 0dB
• Low-Pass Filter Type: 4th order Linkwitz-Riley
• Low-Pass Cutoff: 80Hz

Subwoofer Direct In to Direct Output

•  Gain: 0dB
• Low-Pass Filter: None

Enclosure

• Solid 3/4" MDF construction with 1" MDF Front and Rear Baffle
• Viscoelastic energy absorbing front baffle coating
• Flush mounted driver
• Isolation feet are included. Inserts for optional attachment of spike feet.
• Dimensions are 18" H x 16" W x 20" D (22.07" with heatsink and grill)
• Weight 62lbs.

12" Woofer

• Long excursion design with cast aluminum frame.
• 2" voice coil with vented motor for high power handling
• Fully video shielded

Subwoofer Amplifier

• Discrete symmetrical bipolar design with localized feedback
• 200-W RMS into 4 Ohms
• THD + Noise less than 0.015% at rated power @100Hz
• Adjustable gain control

Bass Management Controller MK II

Blue Sky International has created the BMC to offer full bass management and remote volume control in a convenient, easy to use and affordable package. Designed for professional applications, such as surround music or post production, the Blue Sky BMC features fully balanced inputs and outputs, along with ultra high-quality audio components. The BMC can be combined with Sky System One or the soon to be released ProDesk System to create a world class multi-channel studio monitoring system. Because the BMC utilizes industry standard bass management circuitry it is also compatible with many other studio monitors. The BMC includes all the functions you need for proper bass management and multi-channel volume control.

Features

• includes full function remote control
• 80Hz 2nd order Linkwitz-Riley high-pass filter with a Q of .707
• 80Hz 4th order Linkwitz-Riley low-pass filter
• 5.1 channels of bass management with volume control
• easily expandable to a maximum of 10.2 channels
• +24dBu (maximum input) fully balanced XLR inputs and outputs
• defeatable bass management for pure multi-channel volume control
• LFE level adjustment 0dB or +10dB
• individual output mutes
• individual and master calibration / level controls
• reference and mute controls
• 0.002% THD + Noise @ 1kHz @ +4dBu