jea48
Responses from jea48
| More questions about dedicated lines EDIT: jea483,227 posts 12-22-2019 1:57pm Sub Panel Feeder: If it were me I would feed the sub panel with at least #4awg copper or #2awg aluminum conductors. I would oversize the equipment grounding conductor as well.If the electrician used #4 cop... | |
| More questions about dedicated lines orthomead OP28 posts 12-21-2019 2:36pm I think I’m getting somewhere here thanks to y’all. Jim, the PowerPaper you referenced indicated that there were two sheathing options-aluminum or steel and the article further references the aluminum sheat... | |
| More questions about dedicated lines @ millercarbon read pages 11 thru 13. https://www.anixter.com/content/dam/Images/Logos/Supplier-Logos/Middle-Atlantic/PowerPaper.pdf read pages 31 thru 35https://centralindianaaes.files.wordpress.com/2012/09/indy-aes-2012-seminar-w-notes-v1-0.pdf ... | |
| More questions about dedicated lines audiozenology96 posts 12-20-2019 9:28am jea48,This is why I would never recommend multiple runs from the breaker panel unless the grounds are tied at your stereo system. This is why I ran a single heavy gauge to a mini panel and then put the ou... | |
| More questions about dedicated lines Use three wire Romex just in case you ever want to run a 220 volt amp. You don’t need a 3 wire with ground Romex cable for 240V. A 2 wire with ground Romex is all that is needed. Problem with using a 3 wire with ground Romex cable for a 2 wire ci... | |
| More questions about dedicated lines @ orthomead Just curious, Where is the main electrical panel located? Example, garage, laundry room, mechanical room, on the outside of the house. Manufacturer of panel? Electrical panel main breaker size? Where is the sub panel located? How bi... | |
| More questions about dedicated lines @ orthomead 1 gang new work plastic boxes have more internal space/area than 1 gang new work steel switch boxes. Home Depot carries good quality plastic boxes.+ 1 on using deep boxes when using #10 Romex. Your electrician will/should already know ... | |
| More questions about dedicated lines @ orthomead +1 almarg post on 12-15-2019 almarg9,244 posts 12-15-2019 8:14pm Regarding keeping the two AC legs from becoming significantly unbalanced, I would infer from the literature on your VAC amps that they operate primarily in class AB, sinc... | |
| Amplifier Hum - Only Amp Connected jdpawnbroker OP6 posts 12-13-2019 5:33pm Cheater plug did not make a difference. Hum was still there. Did you put a piece of tape on the bottom of the cheater plug ground tab, or over the trim screw that hold on the electrical outlet cover plat... | |
| Krell KAS amplifier hum jg2077 OP47 posts 12-13-2019 11:43am It would be easy to plug the 5.0 into one of the unused 20A outlet, as would be to move the Pre. Having to Move everything would require MUCH work. Could I use a long heavy-duty power cord plugged into one of... | |
| Krell KAS amplifier hum almarg9,233 posts 12-13-2019 12:48pm One of these is causing the additional ground loop hum. One of them, or more, has a 3 wire cord and plug. Also I would guess the way the circuit ground/signal ground is connected to the equipment grounded cha... | |
| Krell KAS amplifier hum almarg9,232 posts 12-12-2019 8:26pm Some thoughts that have occurred to me after reading through this thread:1) Since these amps are huge high powered monsters which draw lots of current and require a dedicated 20 amp line for each monobl... | |
| Krell KAS amplifier hum almarg9,232 posts 12-13-2019 9:34amjg2077 12-12-2019 8:59 pm EST:... the pre is plugged into a common 15A outlet; the amps are plugged into a dedicated 20A outlet and ALL else is unplugged. I still hear the same amount of hum.I installed a "chea... | |
| Why no “Break in” period? Measurements....... John Curl Interview Page 15/18 Also, we couldn’t use mylar capacitors, which are fairly efficient coupling capacitors. While mylars are fairly efficient from a size and cost point of view, we realized they have problems with ... | |
| Amp tripping circuit breaker. EDIT: jea483,211 posts 12-11-2019 9:03am As for the dedicated branch circuit GFCI breaker that feeds the amp. Going from what you posted it was/is high inrush current draw from the amp that was causing the 15 amp breaker at the amp to trip ... |