General Description:
DIGI-SYS Pro Audio Monitoring is a perfect solution for professional audio level monitoring requirements in broadcast stations and production studios. The design of the unit can handle analog stereo signals as well as AES/EBU digital format audio signals with built in high quality D to A converter and associated circuits. All sample rates up to 192 KHz are supported and selected automatically. Digital signals support 16 to 24 Bit resolutions at all sample rates and is again automatically selected.
Built in three way digital crossover network is perfectly matched to the power full drivers. The current unit has predefined curves to cross match the drivers with bass boost support. The colour display with interactive GUI provides all the vital digital format parameters and also acts as a digitally controlled volume control.unit has a dedicated headphone monitoring with quarter inch jack. The unit has protections against short circuit, open circuit and R.F pick-ups and has a built-in regulated power supply.
The Unit have one stereo and two digital inputs and one SPDIF input also. The unit has only one knob on front panel which actually is a professional rotary encoder. In normal operation the display will be showing the input levels on the colour LCD display and rotating the knob will increase or decrease audio volume. While changing the volume display will automatically change to show you gain setting of the control. Adjust the volume according to comfortable listening by interactive control on the front. The input audio level will also be shown on the LCD display bar graph display.
INPUT | |
Audio Inputs | AES/EBU Digital 2 and 1 SPDIF or 1 Stereo Analog |
Input Level | 0 dBu +20 dBu Max |
Input Impedance | >20 k Ω analog, 110 Ω Digital |
CMRR | >60 dB typical |
AES/EBU Sample Rate | 32 to 192 kHz processed without conversion |
Selection | Front Panel Rotary Control with Inductive Colour LCD |
OUTPUT | |
Output Level | 0 dBu nominal into 600 ohm +18 dBu Max. |
Output Impedance | 0.5 Ω |
AES/EBU Sample Rate | same as input or 48 kHz for analog input |
Frequency Response Effective | <±0.5 dB (20 Hz to 20 kHz) |
Harmonic Distortion | <0.02%(1 kHz, +8 dBu Output) |
Signal to Noise Ratio | >90 dB (Unweighted 22 Hz-22 KHz.) |
Phase Difference | <5º |
Protected Against | Short circuits, overload and over heat |
Inter Output Loading | |
a) 1 Output Shorting | <0.1 dB on Remaining Outputs |
b) 3 Outputs Shorting | <0.3 dB on Remaining Outputs |
Inter-channel matching error | <0.5 dB |
Inter-channel cross talk | >70 dB |
Acoustics Response | 40 Hz-20 KHz ±20 dB |
Acoustics Outputs | 90 dB SPL@1 Mtr. |
Power | 110/240 V, 50/60 Hz |
Audio Modifiers | |
DIM | Reduces speaker audio level by 20 dB (Optional) |
Cut L & Cut R | Mutes left/right speaker audio |
Mono | Combines left & right audio inputs |
Phase Invert | Inverts Phase of right audio inputs |
Amplifiers Loudspeakers | |
driver Configuration | Three way Stereo Low/Mid & high-frequency Drivers |
Power Outputs | 15 w Digital Amplifier x 6 |
Crossover | 500 Hz (3rd order Better worth & 2.2 kHz) |
Distortion at LF outputs | <0.05% (100 Hz, 15 W output) |
Distortion at MF outputs | <0.05% (1 KHz. 15 W output) |
Distortion at HF outputs | <0.05% (10 KHz, 15 W output) |
Noise | More than 90 dB below full outputs |
Volume Control | Interactive rotary control |
Level Metering | |
Stereo Bar Graph | 2.2 TFT 240 X 340 Colour LCD Display |
Status Indicators | |
Limit | Indicates Loudspeakers Protection limit is active. |
Clip | Indicates Internal digital clipping due to Over level. |
Lock (PLL) | Indicates PLL lock achieved on selected digital input. |
Connectors | |
Analog Audio Inputs | 2 x XLR 3-Pin Female(Balanced, may be unbalanced) |
Digital AES Audio Inputs | 2 x XLR 3-Pin Female(Balance may be unbalanced) |
SPDIF Inputs | 1 BNC 75 ohm unbalanced |
Headphones | 1/4″ (6.35 mm) A-Gauge 3-pole stereo Jack Socket TRS Jack |
Others | |
Physical Dimensions | 1 U size |
19” Rack Mount | 19 “ |
Width | 1.75” |
Height | 7.0” |
Depth |
High Input Impedance for Analog input
Active Balanced Impedance for Analog input
Stereo Mode Operation
32 KHz-192 KHz. Sample Rates Supported
Sample Rates Selected Automatically
16 to 24 Bits Resolution Auto selection
Ultra Low Distortion
Low Noise
Low Cross-talk
Excellent CMRR
High Damping Factor
Isolated Audio Ground
Open Circuit Protected
Short Circuit Protected
RF Pick up Protected
Over Heat Protected
Rack Mounting 1 U size
SMPS Power Supply
Alternate 24V DC
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