jea48

Responses from jea48

Need help regarding isolator wiring configuration.
I couldn’t get any of your links to work.As for the 6-20R. The number 6 signifies 250 volt. Next number is ampere rating, 20 amps.    R = Receptacle.I think you might mean 6-20P, inlet plug.Example: https://www.westwayelectricsupply.com/wiring-dev... 
Ground Loop(?) leads to blow speaker
@atmasphere You must have missed the OP’s last post. solobone22 OP11 posts    04-28-2019 2:47pm Update: I went to test the Creek and it wouldn’t power on. Opening it up I found the 2 fuses on the board were blown. Unfortunately they didn’t blow b... 
Who Makes A Good Duplex Wall Outlet
elizabeth 7,012 posts 04-25-2019 8:51amFor $$$ ’high end’ duplex. one should actually go for duplex designed and built TO BE high end duplex. Not all those ordinary types ’gussied up’ with fancy treatments. I went with Furutech. Designed from th... 
Ground Loop(?) leads to blow speaker
Al,Thanks for the better picture of the meter. I wondered why the OP was measuring DC current. https://data.kleintools.com/sites/all/product_assets/hires/klein/mm300_photo.jpg gs5556 theory makes sense to me. I just thought the DC voltage at the o... 
Who Makes A Good Duplex Wall Outlet
You can’t beat this outlet for the price.https://www.ebay.com/itm/NEW-HBL-8300HI-20A-125V-2P3W-HOSPITAL-GRADE-DUPLEX-RECEPTACLE-IVORY-NEMA-5-...It is a NOS Hubbell HBL8300H hospital grade outlet. It’s the real deal.Non plated brass contacts. A non... 
Ground Loop(?) leads to blow speaker
solobone22 OP 7 posts 04-24-2019 11:04am I have a Klein Tools MM300. I set the meter to 200m and tested the RCA output touching the positive line inside the connector and the negative line to the outer barrel.The left channel read 1.0.The right ... 
Ground Loop(?) leads to blow speaker
gregdude  51 posts    04-23-2019 10:52pm A ground loop would be characterized as a hum. What you say you heard was a buzz, that blew out a woofer, almost definitely DC Not always. Not if there are higher frequency harmonics riding on the equipme... 
External PSU shuts down the breaker
korakotta SANDVIKA, Akershus, NorwayJoined March 27, 2018. My bad for not checking first. I have no idea what electrical safety codes are in your country. EDIT: Make sure the PSU is for 220Vac nominal.. 
CD players sold in Japan can work in US with no problem?
big_greg  453 posts   04-17-2019 9:33am  I have been using my Japanese 100V Onkyo player with no transformer and no problems. I did a fair amount of research about it and the consensus seemed to be there is no problem in doing so. Having said th... 
CD players sold in Japan can work in US with no problem?
As a rule the mains voltage should not be greater than 10% of the manufacturer’s rated voltage. The extra fudge factor is for AC mains voltage that may be higher than the equipment’s rated input voltage, overvoltage events, and or a serge voltage ... 
Isolation Transformers
kalali OP1,684 posts 04-12-2019 1:07pmTook some measurements. The voltage in the adjacent socket is 118.8v. With everything plugged into the transformer; streamer, DAC, preamp, and amp, the voltage out of the transformer is 122.4v +/-0.1 volts wi... 
Isolation Transformers
testpilot258 posts 04-12-2019 7:44am@jea48 given the choice between the hospital grade Tripp-Lite and the regular Tripp-Lite that you referenced in your post, do you have a preference? I am only concerned with front end equipment isolation i.e. ... 
Isolation Transformers
@kalali,Is that a loaded voltage or an unloaded voltage measurement? The greater the connected loaded the greater the VD (Voltage Drop) across the windings of the transformer. Measure the voltage with the intended load connected.. 
ARC tube biasing
Output Tube Bias Adjustment As shipped from the factory, the output ‘bias’ adjustments are set for a nominal 65mA per KT120 tube. Under these idle conditions the tubes are each dissipating approximately 27 watts of their 60 watt rating. This poin... 
Isolation Transformers
lak3,554 posts     04-11-2019 7:08am I would think your isolation transformer would clean some of the grunge from the AC which would in return give you a darker background allowing you to hear more details within the music and perhaps deeper bass...