jea48
Responses from jea48
| ARC VT-50 Damage/Repair Advice Bifwynne,Yes, that is why a pair of hook on probes should be used when biasing the amp.Sometimes I think the guy that designed the layout of the amp had a sick sense of humor. Also as I stated in an earlier post the bias adjust pots are really tou... | |
| ARC VT-50 Damage/Repair Advice Al,Here are a couple of pictures I found on the Web. This picture shows the Phillips head circuit board mounting screw on the right channel that I think the multimeter probe came into contact with causing the short circuit. This picture shows the ... | |
| ARC VT-50 Damage/Repair Advice I'm assuming, btw, that the B+ is generated by a power supply circuit that is common to both channels, which I suspect is the case but don't know for a fact.08-30-15: AlmargHi Al,VT50 Schematic and parts list.Note the two R30 10 ohm resistors on t... | |
| ARC VT-50 Damage/Repair Advice ^^ So...with the amp off; you clip your leads to the test points. Turn the amp on...let it run-up to operating readiness; and just see what the voltmeter reads?Wow; not to be ungrateful...but I sure could have used, a simple solution like that a f... | |
| ARC VT-50 Damage/Repair Advice Hiendpawn,I bought my VT50 amp new in 1997.Unless you listen to music really loud 45 watts per channel should be fine. At present I am running EH 6922 tubes and a quad of SED Winged C 6550C tubes I bought from Upscale Audio back in 2007 I had stas... | |
| ARC VT-50 Damage/Repair Advice At the 15 minute mark, I had the "tech" do it...so I could watch, and make sure there wasn't much to it. You just take your voltmeter leads, and touch them to each side of a test resistor. But at the 1 hour mark...I decided to give it a try. I swe... | |
| Output level inexplicably reduced- help For starters, do you have a CDP, DVD, or blu-ray player you could hook up to the Reference 3 preamp? If so I would start there. If you have plenty of volume output playing a CD then that will rule out everything downstream of the line level inputs... | |
| Audiophile Fuses One more thing, I also noticed the Synergistic Red Quantum fuses were slightly smaller diameter than Rat Shack fuses.I had to pinch contacts on Coincident screw in fuse holder to tightly grab the synergistic fuses.Surface area and poor contact pre... | |
| Audiophile Fuses Replacing 6.3amp with 8amp? 08-17-15: SnsThat's a 27% increase. You might want to contact Coincident tech support and ask them about increasing the fuse to an 8 amp slow blow fuse. Just curious, was the OEM fuse that came with the amp a 6.3 amp s... | |
| Audiophile Fuses Knghifi,Are the "SR Red, HiFi-Tuning Supreme, Audio Magic" fuses safety tested and Listed by any independent recognized testing laboratory?. | |
| Audiophile Fuses I've been using after market fuses for years and never had one blown. SR Red, HiFi-Tuning Supreme, Audio Magic ... Just make sure you buy the right size and type.Knghifi 08-16-15: KnghifiI had the original OEM fuse in my ARC VT50 power amp for abo... | |
| Power Cord with a 20 amp female and 15 amp male ? Sadly almost all aftermarket power cord manufacturers make power cords with a 20 amp IEC female connector with a NEMA 125V 5-15P 15 amp plug on the other end. And what's worst the power cord might even be UL listed.The company that makes the power... | |
| DVD-R Iincopatability? I did look at some of the specs for the LG players and found that it stated that they won't play on other units because the format is different!08-07-15: Rsjm80Rsjm80,Please point out where it says that in the owners manual for a DVD-R or a DVD+R ... | |
| DVD-R Iincopatability? Rsjm80,I assume you do not own a Blu-ray universal player to try your recorded DVD-R disc/s in. Just a suggestion you could take one of the DVD-Rs you recorded to a B&M box store and try the disc in a few different universal Blu-ray players an... | |
| 6DJ8 measurement error on Hickok 600A .6922/E88CC 6922 ( Hickok 600A tube settings and Mutual Conductance readings.) 6.3 EV-7608-0 27 90 P4 6500 Triode #1. R 6.3 EV-2103-0 27 90 P4 6500 Triode #2.Mutual Conductance/ Micromhos 6500.>>>>>>>>E88CC tube6.3 EV-7608-... |