jea48
Responses from jea48
| Power conversion from 110v to 220v It appears the primary side of power transformer is a dual winding transformer. Changing the voltage from 110 to 220 requires removing one jumper and changing another from one position to another.What you have now is the two primary windings are i... | |
| 6DJ8 measurement error on Hickok 600A .Consolidated Test DataFor Hickok Model 533A-600A-605ATube TestersPage 556DJ86.3 EV-7608-0 24 92 P4 9250 Triode #1. ..... EV-2103-0 24 92 P4 9250 Triode #2.Mutual Conductance/ Micromhos, 9250Where are you setting the English for the Mutual Conduct... | |
| 6DJ8 measurement error on Hickok 600A .600A manualI have a Kickok 6000A. For a 6DJ8 the roll chart shows 7000 Mutual Conductance / MICROMHOS.For a 12AX7 the roll chart shows 1250 MICROMHOS.. | |
| Ground 'box' what's in them? How this ground box works is a puzzlement. Does it really do anything? Well if we read posts from people who actually use it then the answer is yes.Entreq Silver Tellus grounding/earthing systemThread: Entreq Tellus groundingThis thing is a separa... | |
| When To Re-tube ARC REF? Time to replace the power tubes.Average tube life will depend on several parameters: product type, how the product is installed, loudspeaker efficiency, room size and acoustic damping, listening habits or average sound pressure levels, A.C. line s... | |
| DOA tube from Audio Research Some one suggested I should have turned the bias down prior to installation and copied the ARC manual in the post. The implication being that I had somehow made a known mistake in installation and that may have caused the tube to blow. There's no... | |
| DOA tube from Audio Research I have a compu-bias meter. I didn't change the bias at all from where it was which by the way was on the low side of what the manual recommends.07-22-15: Dfwlistenercompu-bias meterDfwlistener,Would you please post back what ARC's service departm... | |
| DOA tube from Audio Research ARC VS60DOA?The filament is open?The tube arced and shorted out? If so did you back off the tube bias adjustments before installing the new power tubes?ARC VS60 manual. | |
| I am having a hum after setting up two EAR 890's Sounds like a ground loop hum.For a test try installing a ground cheater between the plug and the wall receptacle of one of the amps. Check for hum. If you still have the hum try the cheater on the other amp and check for hum. How are you feeding ... | |
| Ground 'box' what's in them? Now the Bump in the rug I mentioned earlierAll components should have two separate and Isolated ground planes from each otherOne is the Third wire safety circuit which provide a low impedance path way to the ground rod in the event of a fault or s... | |
| How to reveal the truth? Looks like local guy didn't buy it after all as he just relisted it 06-26-15: Harri009Is this the Convergent audio SL1 Renaissance in question?If so, because you think the seller is giving misleading information in the ad about the equipment, you ... | |
| How to reveal the truth? After finding out this information I still felt like it was a decent deal and made an offer to the seller, of course revealing the information just incase he didn't know for some crazy reason (seller didn't comment about the info). I felt like I w... | |
| How to reveal the truth? At the lower left hand side of the ad page, just below the message box, you will see a small flag followed by in small print,Report this listingLOL, not sure why Agon made the print so small.You must be logged in.. | |
| Adding a resistor in a parallel wiring system Hi Al,At this point we do not know how Angelgz2 is using the 4 drivers. Are they mounted in a common speaker box enclosure or are they spread around a room in the ceiling or in the ceilings of several rooms?I checked with a good friend of mine tha... | |
| Adding a resistor in a parallel wiring system .Problem (A).I was inquiring about adding a resistor between the amplifier and a DIY speaker (1.8 ohm) and learned that only the "Zero Former" by Paul Speltz could solve the problem. Paul was nice and explained in layman's term to me why using a r... |