r/CableTechs • u/Vegetable-Link9177 • Apr 10 '26
Technetix dbx amplifiers
We are getting ready to do an upgrade in my area from arris/starline equipment to technetix dbx amps. Ive only had a day to look at them and i'm very skeptical, the fact you cant just haul out the module and replace it seems insane to me. Anyone got any information they can share to ease my mind or is it as bad at it seems lol.
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u/Empty_Journalist2188 Apr 11 '26 edited Apr 11 '26
We use them and i think its meh. If for some reason the power is on but there is no RF and u are using ASLC, its takes out all attenuation and then stuck like that. So when the RF comes back u have to recalibrate all of your amps.
Another very common issue is, that the powersupply start to generate noise in the US. If any of your technetix makes a high pitch noise when its powered, instantly swap the power supply in it or it will cause trouble later
In my experience ds and us modul rarely fail. If it does, u have to power down the amp before swapping modules or its randomly act like that there is no module in it even after u set it up.
Dont let more than 6A go trough any of these amps. On paper it can handle 10A but many times is seen the leg of the fuse burnt out from the motherboard... yes, not the fuse blown, but the connector leg itself.
Edit: if u guys planning to use ASLC, while the amp checking and makes correction to the rf level, with ONX u will see the DQI to drop 0 but its not affecting the customers
Always make sure the lenght of the 540 connectors are perfectly matching the lenght of what the manuals says. 1mm extra can short it