maril555
Responses from maril555
On one leg or two legs? Almarg,Yes, you're right, I'm talking about my friend's 150s.I no longer have 75-SE, but am considering buying it again, that's the whole reason for this post.VAC didn't have this symptoms, just some ground loop, that I corrected.The hum is mostly... | |
On one leg or two legs? Well,I already tried turning off all circuit breakers, no help.Tomorrow I'll bring the amp to the living room to try with another pair of speakers and another outlet.I have two other pairs of less efficient speakers, so I'll give it a try as well.... | |
On one leg or two legs? Got you,Hot- Neutral 120 V.Hot- Ground 120 V.Neutral- Ground 0 V.With the amp. ON- Hot - Neutral 120 V.BTW, thanks a lot for your patience. | |
On one leg or two legs? OK,Neutral to chassis- 0 v. on all meter settingsHot- Neutral 120V.Hot to chassis:Power cord unplugged 25 V.Power cord plugged-in, amp. is OFF- 112 V.Power cord plugged-in, amp. is ON- 90 V.As usual, I have no clue, how to interpret all this. | |
On one leg or two legs? Just realized my meter settings were at 50, instead of 250 Vnew measurements:L amp:Correct cheater plug 62.5 V.Reversed 51 V.R amp:Correct 62.5 V.Reversed 51 V. | |
On one leg or two legs? The answer to the big question- no, hum is the same after AC plug is reversed | |
On one leg or two legs? Got you,Here are the measurements.Meter set at ACV 50Left amp: Right amp:Right cheater plug: 38 37Reversed: 33 30So, what's the verdict? | |
On one leg or two legs? Jea48,First to answer your question- If I understood you correctly, you are asking if the hum is less with ICs disconnected?-No, it is not.Can I use a polarity checker, kind they sell in Home Depot, to accomplish the same, unless you meant to do t... | |
On one leg or two legs? Just did it again- no ICs connected, plugs in the inputs- same hum. | |
On one leg or two legs? Jea 48,Just last night I did another experiment- connected both power amps and preamp to a single outlet with a power strip, no cheater plugs- faint hum in the R channel and louder hum in the left.Funny thing is, that I have the same model power a... | |
On one leg or two legs? Jea48,I will have to look at that screw when I get home, but what are you thinking about?There is no CATV cables connected to my audio system.The only video cable, is DVI, connecting DVD player to the front projector, and disconnecting it doesn't ... | |
On one leg or two legs? The white one #14 NM-B feeds front projector.Breakers are 30 amp., I don't know, why he used them.The cable runs are approx. 50-60 ft. ?I also see one orange 12 awg. cable entering the sub panel- the black (hot ?) wire is not connected to the brea... | |
On one leg or two legs? Jea48,As I posted above, there a pictures of the panel, that should answer some of your questions.4 AWG wire is not in a conduit, it's the thick white one in the picture, and the bare copper ground is inside of the white insulation, with the black... | |
On one leg or two legs? I made pictures of the both main and sub panels. You can see it in my system or try the link below.http://cgim.audiogon.com/i/vs/i/f/1233285302.jpghttp://cgim.audiogon.com/i/vs/i/f/1233285348.jpg | |
On one leg or two legs? GhstudioI tried to disconnect it, no effect. |