ProAV1 - Uncategorized Radial Engineering - Free user manual and instructions
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| Product Type | Direct Box (DI) for professional audio/video |
| Analog Channels | 2 (stereo) with mono merge function |
| Input Connector(s) | 2 x 1/4" TS unbalanced (tip-sleeve) phone jacks |
| Output Connector(s) | 1 x XLR male (balanced) and 1 x 1/4" TS thru |
| Pad | -15 dB switchable |
| Ground Lift | Switchable to eliminate ground loops |
| Low-Cut Filter | Switchable at 80 Hz |
| Merge Switch | Combines left and right inputs to mono output |
| Power Source | Passive (no external power required) |
| Dimensions (L x W x H) | 14.0 cm x 9.5 cm x 4.4 cm (5.5 in x 3.75 in x 1.75 in) |
| Weight | 0.54 kg (1.2 lbs) |
| Material | Steel and aluminum chassis |
| Mounting | Desk or rack shelf (optional) |
| Compliance | RoHS, CE |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Storage Temperature | -20°C to 60°C (-4°F to 140°F) |
| Maintenance | Clean with a dry, soft cloth. Do not use solvents or abrasives. |
| Safety Precautions | Do not expose to rain or moisture. Do not disassemble. Use only in dry indoor environments. |
| Repairability | No user-serviceable parts inside. Contact authorized service center for repairs. |
| Spare Parts | Available from Radial Engineering. Contact support for ordering. |
| Warranty | 3 years limited (with registration) |
| Country of Origin | Canada |
Frequently Asked Questions - ProAV1 Radial Engineering
What is a DI box and why use the ProAV1?
A DI box converts unbalanced, high-impedance signals (e.g., from guitars or keyboards) into balanced, low-impedance signals suitable for long cable runs and professional audio systems. The ProAV1 is ideal for connecting consumer audio sources to balanced inputs of mixers, PA systems, and recording interfaces.
How do I connect the ProAV1?
Connect your audio source (e.g., output from a laptop, CD player, or mixer) to the 1/4" input jacks using standard instrument cables. Then run an XLR cable from the output to your mixer's balanced input. If using a single source, plug into input 1 and set the merge switch off; for stereo sources, use both inputs and activate merge to sum to mono.
What does the Ground Lift switch do?
The Ground Lift disconnects the input ground from the output ground, helping to eliminate hum and buzz caused by ground loops between audio devices. If you hear unwanted noise, toggle this switch until the noise is minimized.
When should I use the -15 dB pad?
Use the pad when the input signal is too hot (high level) and causes distortion. This attenuates the signal by 15 dB, allowing you to handle louder sources without overloading the output transformer.
What is the Low-Cut filter for?
The Low-Cut filter (80 Hz) removes low-frequency rumble and subsonic noise that can muddy the sound or cause speaker damage. It is especially useful when using the DI with synthesizers, kick drums, or for general cleaning of the signal.
Can I use the ProAV1 with active speakers?
Yes, the balanced output can drive signals to active speakers, mixers, and audio interfaces. However, note that the ProAV1 is a passive device and does not require power itself.
Is phantom power safe for the ProAV1?
The ProAV1 is fully transformer-isolated, so phantom power from the mixing console (up to 48V) will not damage the unit. The isolation also prevents ground loop issues.
How do I clean and maintain the ProAV1?
Use a dry, lint-free cloth to wipe the surface. Do not use chemical cleaners or allow moisture to enter the jacks. Check connections periodically for dust and debris.
Does the ProAV1 require any setup or software?
No, it is a purely analog device with no software. Simply connect cables and use the switches to adjust the signal as needed.
What is the warranty on the ProAV1?
Radial Engineering offers a 3-year limited warranty when you register the product online. The warranty covers defects in materials and workmanship under normal use.
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USER MANUAL ProAV1 Radial Engineering
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Product information
Brand : Radial Engineering
Model : ProAV1
Category : Uncategorized