I am a newbie, as you can see. I am just a music listener and not an expert in any aspect of this hobby.
I purchased the HSU VTF-2 MK4 and MBM-12 MK2 around two months ago. I can hear the sub hums from 9 o'clock level and the MBM from 10 o'clock level, with or without the Mediabridge cables attached. I tried other outlets across the basement. I do not have TV services; I do have indoor antennae for my TVs. I have Verizon FIOS. I also have a subcompact Pinnacle sub and a Klipsch sub. They do not hum anywhere in the house. The HSU units hum either on the main floor or in the basement.
At 12 o'clock, the hums are very noticeable but of course cannot be heard if sounds, such as music or movie, exist. I am concerned because the sounds may be distorted but not always detectable. Our refrigerators, dishwasher, washing machine and dryer, central air-con, etc... made a lot of noises but I do not care. None of my audio gears, including my keyboards and synthesizer, and computer speakers, makes any noise. So that why I feel sad when my beloved bass units hum.
I spoke to HSU tech support few weeks ago and was told that that hum is normal. I spoke to an electronics engineer, who has worked with audio gears since the 70's, last night and he said that is not normal and bad capacitors might be the cause. This engineer built amps from big names', such as Pioneer, circuitry schemas, for fun and for a living. I sent another email to HSU this morning and will talk to tech support again tomorrow.
In the meantime, Please tell me what you think and any fix I should try. I appreciate your inputs! Many thanks!
I purchased the HSU VTF-2 MK4 and MBM-12 MK2 around two months ago. I can hear the sub hums from 9 o'clock level and the MBM from 10 o'clock level, with or without the Mediabridge cables attached. I tried other outlets across the basement. I do not have TV services; I do have indoor antennae for my TVs. I have Verizon FIOS. I also have a subcompact Pinnacle sub and a Klipsch sub. They do not hum anywhere in the house. The HSU units hum either on the main floor or in the basement.
At 12 o'clock, the hums are very noticeable but of course cannot be heard if sounds, such as music or movie, exist. I am concerned because the sounds may be distorted but not always detectable. Our refrigerators, dishwasher, washing machine and dryer, central air-con, etc... made a lot of noises but I do not care. None of my audio gears, including my keyboards and synthesizer, and computer speakers, makes any noise. So that why I feel sad when my beloved bass units hum.
I spoke to HSU tech support few weeks ago and was told that that hum is normal. I spoke to an electronics engineer, who has worked with audio gears since the 70's, last night and he said that is not normal and bad capacitors might be the cause. This engineer built amps from big names', such as Pioneer, circuitry schemas, for fun and for a living. I sent another email to HSU this morning and will talk to tech support again tomorrow.
In the meantime, Please tell me what you think and any fix I should try. I appreciate your inputs! Many thanks!