ATI Audio Inc ADA412-XLR Quad 1×3 Low-Noise Analog Distribution Amplifier with XLR Connectors


Key Features
  • Routes Audio to Four 1×3 Amp Channels
  • Master Gain & Trims for Each Channel
  • RFI Protection to Eliminate Noise
  • Adjustable Input Trim
  • 4 x XLR Inputs
  • 12 x XLR Outputs
  • Rackmountable

د.إ10,999.00

TheĀ ATI ADA412-XLRĀ is an amplifier capable of routing audio to four 1×3 distribution amplifier channels, all via balanced XLR inputs and outputs. The unit provides a master gain adjustment control for each channel, while individual trimmers are on hand for each output to accommodate gears of various sensitivities over its 20 dB range. Use it to distribute audio in offices, nightclubs, and more.

You’re sure to get a low-noise, strong-signal operation out of the ADA412-XLR, as the unit is RF protected to eliminate noise from radio interference. It’s also designed to give you pure signal even when you’re using lossy cable splitters over long cable runs.

Its automatically ground-sensing active outputs can connect to either balanced or unbalanced loads. In total, the unit provides 4 balanced XLR inputs as well as 12 balanced XLR outputs, divided into four independent channels, with separate input and clipping LEDs for each 1×3 group so you know if you’re ever likely to distort audio passing through.

Easy Installation for Office Use
The ADA is designed for rack mounting on standard racks. Each unit dissipates approximately 10W and is designed for use in an office environment.
Powerful Circuitry with Accurate Controls
An LF347N quad bi-FET op-amp forms the three variable gain output adjustment stages. These variable gain stages use a circuit arrangement that allows ATI to provide a smooth, logarithmic gain control for each output using a linear cermet potentiometer. Since the ADA412 actually reduces the stage gain for low outputs rather than taking the more conventional approach of reducing the input level to a fixed gain amplifier, you can use the ADA at low output levels with very little noise penalty.
Protected against RFI
ATI has taken measures to keep RFI out of the unit, including split and bypassed input networks, beaded, bypassed, and isolated power inputs, nonconcentric wound, semi-toroidal power transformers, double ground plane PC boards, and a quality enclosure to keep rain and snow off the circuit boards.
SKU: ADA 412-XLR Category: Tag:

 

ATI Audio Inc ADA 412-XLRĀ Specs

Output Level
+22 dBm Peak into a 600-Ohm Balanced Load
+18 dBm Peak, Typical, into Unbalanced Loads
THD
0.10% Maximum, 20 Hz to 20 kHz at Peak Output
IMD
0.05% Maximum, SMPTE Measurement
Slew Rate
13 V per Microsecond
Response
20 Hz to 20 kHz, Ā±25 dB
Noise
-95 dBm Out at Maximum Gain, 20 kHz Bandwidth
Gain
40 dB Maximum
Crosstalk
70 dB Minimum at 10 kHz at Any Path
Input Connections
XLR, Female, Active-Balanced, Split, and RF Bypassed
Input Impedance
20 Kilohms
Maximum Input Level
+22 dBm
CMR
60 dB at 60 Hz
Output Isolation
70 dB Minimum at 1 kHz (A Shorted Output Does Not Affect Any Other Output)
Output Connections
XLR, Male, Active Balanced, Servo Controlled, Ground Sensing, DC Coupled
Output Impedance
50 Ohms
Power
85 to 264 VAC Ā±1%
Output Voltage
24 VDC
Output Power
15 W, 47 to 63 Hz
Dimensions
19 x 1.8 x 7.5″ / 48.3 x 4.45 x 19 cm
Packaging Info
Package Weight
9.095 lb
Box Dimensions (LxWxH)
20.8 x 17.1 x 5.8″

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