Noise, Buzz, Hum Eliminator, Isolator Solvers

Hi,

by any chance, if you encounter "annoying" noise coming from your AV system during your setup or while you are doing your presentation, following are items which we distribute. They might might "kill" those noisel.


We also have a wide range of DI boxes for musicans, event organisers, system integrators etc.




Rolls - HE18 BUZZ OFF
The HE18 is a two channel audio hum and buzz remover. Everyone knows how annoying it is to have 60 cycle hum in your sound. Now you can eliminate virtually all ground hum and buzz by simply inserting the HE18 into the audio path. Plus, the unit will convert an unbalanced signal into a balanced signal, and vice-versa. This greatly improves overall noise performance.

( Made in USA)




Rolls DB14 - AV PRESENTER
The DB14b is a special purpose direct box for applications where a stereo source signal can be separated, and individual volume controls used for each track such as an AV presentation from a laptop computer, or a rehearsing choir to a music track. It has stereo RCA and 1/8" inputs, 2 volume controls, RCA and XLR outputs, and uses no power.

Made in USA



















Radial Engineering PROAV1/ AV2 MULTI-MEDIA DI

Pro 'Swiss Army knife' direct box for multi-media

Easy to use passive ultra-quiet design
Elimiates ground loops causing hum and buzz
Handle huge transients without distortion
Mono (ProAV1) and stereo (ProAv2) versions
(Made in Canada)

  



Radial Engineering - JPC Computer DI
Stereo DI for computer sound cards & A/V

• Transformer isolation eliminates ground loops
• Converts -10db to balanced XLR mic level
• Active drive circuit for long cable runs
• Compact design - may be J-Rak mounted
• 48V phantom power eliminates batteries
• Ultra rugged 14-gauge steel construction
( Made in Canada)







Rolls DB24 - STEREO DIRECT INTERFACE
This unit is a two channel isolation device designed to connect high impedance devices to low impedance. The unit is completely passive, and utilizes Rolls proprietary audio transformers for superior sound. A heavy duty steel chassis was chosen to provide maximum reliability when used in demanding live sound reinforcement applications. A variety of inputs are provided including stereo and mono 1/4", stereo RCA, and stereo 1/8" (3.5mm). The DB24 is an ideal impedance matching device for connecting any unbalanced stereo signal to a balanced system. Consumer audio equipment such as CD players, DVD players, MP3 players, etc., may be easily connected to a professional audio system.
( Made in USA)




Radial Engineering - TWIN ISO
• Two channel balanced line isolator

• Jensen transformer-equipped
• 100% isolation to reduce ground loops
• Line-level with up to 24dB signal handling
• Ultra solid I-beam construction
( Made in Canada)

Rolls MS20 - Mic Splitter/ Combiner & ISOLATOR
The MS20c Splitter / Combiner / Isolator will split a single balanced XLR signal into two isolated signals, combine two balanced XLR signals together into a single, or simply isolate a balanced line for buzz or hum elimination. Please note that when combining two condenser microphones, phantom power voltage is passed to only one of the microphones due to the internal isolation transformer.
( Made in USA)





Radial Engineering products: http://radialeng.com/

Rolls products:http://www.rolls.com/

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