The ProAV1 is a passive direct box with multiple input connector types and a stereo-to-mono merge function designed specifically for AV integrators to reduce channel requirements.
 
The Radial ProAV1 is a passive direct box designed to handle the extreme dynamics and frequency range that is now common with digital sources. Linear across the audio range, it exhibits low distortion at all frequencies, amazing signal handling and very little phase shift. The result is a clean, natural sounding rendition that is both noise-free and dependable.
 
Specifications
 
Audio circuit type:
Passive, transformer based
Transformer:
Eclipse ET-DB2, 12:1 ratio
Number of channels:
Single channel (mono)
Frequency response:
20Hz ~ 18.5KHz (± 0.2dB)
Dynamic range:
128dB
Total harmonic distortion:
0.01% from 20Hz~20kHz @-10dB
Phase Deviation:
1° @ 100Hz; 8° @ 20Hz
Input Impedance:
140k Ohms, unbalanced
Output Impedance:
150 Ohms, balanced
Common Mode Rejection Ratio:
100dB @ 60Hz
Maximum Input:
+18dB @ 20Hz
Features
Input pad, Mono Sum, Ground lift
Input Connectors:
1/4", RCA, 3.5mm TRS, XLR
Output Connectors:
XLR
Extras:
1/4" thru, RCA thru
General
Construction:
14 gauge steel chassis & shell
Size (L x W x D):
3.25” x 5” x 1.875”
Weight:
0.73kg (1.6 lbs)
Shipping size (L x W x D):
102 x 76 x 165mm (4.00" x 3.00" x 6.50")
Shipping weight:
0.87 kg (1.92 lbs)
Power:
Passive, no power required
Conditions:
For use in dry locations only between 5°C and 40°C
Warranty:
Radial 3-year, transferable