Radial Engineering ProAV1 Passive Multimedia Direct Box

Product #96235 | SKU RA-PROAV1 | Radial
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Our Price $289.00 AUD
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  • For Multimedia Applications
  • Mono 1/4", Stereo RCA, and 3.5mm Inputs
  • Mono XLR Line-Level Input
  • Mic-Level Mono Sum at XLR Out
  • -15 dB Pad


The Radial Engineering ProAV1 Passive Multimedia Direct Box is a passive direct box designed for multimedia applications with the audio/video integrator in mind. The unit features a variety of mono and stereo inputs that are merged via a resistive mixer to mono, greatly simplifying signal management.

To eliminate the need for various adapters, an array of connections are provided, including 1/4" for instruments, RCA and 3.5mm connectors for consumer electronics and computers, and a +4 dB XLR input for professional systems. The front-panel connectors can also be used as thru-puts to allow multiple patch points.

Custom wound transformers are able to withstand exceptionally hot levels while maintaining linearity from 20 Hz to 18.5 kHz. The resulting smooth Bessel curve is warm and natural, making the ProAV1 particularly adept at handling digital sources that can sound harsh. Transformer isolation adds the benefit of eliminating ground loops that cause audio hum and buzz and video hum.

The ProAV1 is ideal for events that interlace audio with video where audio sources can include smartphones, MP3 players, and video devices.


Input Connections 1 x 1/4" TS
1 x 2RCA
1 x 1/8" / 3.5 mm TRS Mini
1 x XLR 3-Pin
Output Connectors 1 x XLR
1 x 1/4" TS Thru-Put
1 2RCA Thru-Put
Input Level +18 dB a 20 Hz (Max)
Input Impedance 140 Kilohms
Controls -15 dB Pad
Ground Lift Switch
Frequency Response 20 Hz to 18.5 kHz, ±0.2 dB
THD 0.01% (20 Hz to 20 kHz at -10 dB)
Phase Deviation 1° at 100 Hz, 8° at 20 Hz
Common Mode Rejection Ratio +18 dB at 60 Hz
Power Passive, no Power Required
Operating Temprature 5 to 40°C
Construction Material 14 Gauge Steel Chassis and Shell
Dimensions 12.7 x 8.25 x 4.8 cm
Weight 730 g

In The Box

  • Radial Engineering ProAV1 Passive Multimedia Direct Box


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  • Product: Radial Engineering ProAV1 Passive Multimedia Direct Box
  • Manufacturer: Radial
  • Model: ProAV1
  • RM Product #: 96235
  • Warranty: 5 year manufacturer warranty

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