Sescom IL-19 In-Line Audio Hum Eliminator

Hi Nabil. Essentially, there is a slight variation in the circuitry on the IL-19-SS model versus the standard IL-19, which our engineers did in order to make the unit more closely mimic the older, metal-barreled IL-19s that Sescom made back in the 80s and 90s. Both units currently utilize an ABS plastic housing, and when the change to that housing was made, some people found that it didn’t ground as well to the chassis of older racks and cabinets as the old metal ones did, and hence the IL-19-SS was created to combat that. I would suggest the standard IL-19 first, as that tends to work for most people and most situations and I don’t think the IL-19-SS would offer any particular advantage in an active bass situation. Thank you!

Being transformer-based, the Sescom IL-19 In-Line Audio Hum Eliminator inherently blocks the 48V phantom power that your condenser mic requires.

No, the IL-19 does not pass voltage with audio signal. I believe what you need to use is an intercom interface which is a system-to-system adapter designed to connect two intercom systems together and eliminate issues that create grounding and signal mismatch. Perhaps the Telex SSA324 2 Channel, 2-Wire to 4-Wire Intercom System Interface Converter with Call Signal (B&H # TESSA324) may work for you since it can be used to connect 2-wire systems to 2-wire systems. This item is special order and our details are limited so here is a link to the manufacturer's product info page which also provides links to the user manual and specs: https://products.rtsintercoms.com/na/en/ssa-324/ I would also suggest that you contact tech support at RTS to be certain that the SSA324 is compatible with your RTS and Clear-Com systems. Just let them know which two systems you have so they can confirm. There is a "Contact" link on the upper right side of the RTS page that directs you to phone and live chat contacts. Please let us know if you need further assistance. You can reach B&H by phone at 800-606-6969 or through live chat on the website.

Hi George. The IL-19 is transformer-based and inherently blocks phantom power, so assuming your condenser mic requires phantom power, the IL-19 will not work as it is blocking the power the mic needs.

This product maintains phase: pin 1:1, pin 2:2, and pin 3:3, coupled through a special high end audio transformer that is of a proprietary design and has excellent frequency response.

Hi Alvin.I have used it very successfully at line level. Works perfectly. However I see no reason why it would not work at mic level. Keep in mind that it is an isolating transformer, so if using microphones requiring phantom power such as condensers/electrets, phantom power being DC, the hum eliminator will block this so you will need to ensure your source of phantom power is fitted to the mic side rather than the mixer/preamp side. So if your phantom power is supplied by the mixer/preamp you will then require a separate phantom power supply. If using dynamic mic's or if otherwise phantom power is not required, this is not an issue and the you will be good to go. Hope this helps. Frank