
Technical Information
This next section outlines the components, specifications and performance
data that make this product such a uniquely high value.
In order to continually improve all of its products Blue Sky reserves the right
to change these specifications without notice.
MediaDesk 2.1 Specifications
General Specifications
Input Impedance (all inputs)
20k Ohms balanced Input attenuator =+14 dBu
52k Ohms balanced Input attenuator =+24 dBu
5k Ohms unbalanced RCA input
Common Mode Rejection Ratio
40 dB typical @ 60Hz (balanced input only)
Maximum Input Level
+12 / +24 dBu balanced (Set by input attenuator)
+14 dBu unbalanced
Subwoofer maximum output +24 dBu balanced
Subwoofer output impedance 200 ohms balanced
Amplifier power output
Note:
Long term power output is limited by the
speaker protection circuitry
Short term power output 1 channel driven:
65 watts x 1 @ <.05% THD into 4 ohms @ 1 kHz
Short term power output 2 channels driven :
55 watts x 2 @ <.05% THD into 4 ohms @ 1 kHz
Subwoofer power output:
65 watts x 1 @ <.05% THD into 4 ohms @ 50 HZ
Mains voltages:
115/230V 50/60 HZ switchable
Maximum power consumption: 380 watts
5.1 System
Volume Control range 50 dB in 1 dB steps
Channel trim range +/- 6 dB in 1 dB steps
LFE gain range 0/+10 dB switchable
Satellite
• Lacquer finished baffle
• Low diffraction front baffle design with flush mounted drivers
• Solid 3/4” MDF enclosure with 1” MDF baffle
• Dimensions: Please see page 18
• Weight 5 lbs.
• 1/4”x 20 inserts for attachment of OmniMount
• 3/8” x16 insert for attachment to microphone stand with adapter
(adapter not supplied)
• 4” cast frame Neodymium hemispherical woofer
• 1” Dual ring radiator Neodymium tweeter
• Fully video shielded
• Satellite Low frequency crossover 110 Hz
• Tweeter Crossover Frequency 2.0 kHz
The following specifications are measured using the MediaDesk Amplifier
• Frequency Response Satellite
+/- 2.5dB 300 to 10 kHz
+/- 3.0dB 110 to 20 kHz
• Voltage Sensitivity (at reference gain)
-12 dBu = 90dB SPL @ 1M
Balanced Input attenuator set to +12 dBu
1 dBu = 90 dB SPL @ 1M
Balanced Input attenuator set to +24 dBu
240 mV = 90 dB SPL @ 1M
RCA input 4 ohm nominal impedance
8” Sealed Box Subwoofer
• Fully video shielded.
• High excursion driver with 2” voice coil
• Cast frame Foam surround
• Aluminum cone
• Solid 3/4” MDF construction with 1” MDF baffle
• Flush mounted driver
• Dimensions: See page 19
• Weight 45 lbs.
• Frequency Response Subwoofer
Anechoic Response:
35 to 110Hz +/-3dB
Typical In-Room Response:
20 to 200Hz (3000 Cubic Feet)