amandarae

Responses from amandarae

Hagerman Cornet transistor orientation
Hello Tom,It does not matter what series of Cornet you have, transistors are transistors. First off, the transistors should have a marking of "B", "E", "C" for base, collector, and emitter or pin 1,2, or 3. Your pcb should have this marking too so... 
Ground loop hum from Turntable
Wow! Many responded but forgot to address the real issue.... The Rega uses a grounding scheme where in only one ground (not the right term, it should be negative phase) is common between + of both L&R signal. If your phono preamp is not config... 
How do you clean tube pins?
Nahh, why would I feel that you cannot post in this thread? Anyone can, of course. We are here to entertain ourselves.You know the problem with the Audiogon forums, everybody is pretending that it is real! Including me.Great read though!FWIW, I ra... 
How do you clean tube pins?
When I said "Steelwood" I was refering to my genius friend who used it and shorted his preamp. Very fine particulars find its way into the tube sucket and it was 4th of JulyThe steel wool is not the problem here don't you think?Your genius friend,... 
How do you clean tube pins?
Hello,1.) Use 0000 grade steel wool2.) None3.) Once, usually after I bought the tube and found out the pins needs cleaning4.) I spray Pro Gold most of the time after cleaning the tube pins. After that, I do not worry about cleaning them again ever... 
6SN7 tube GTA vrs GTB
GTA: Max Plate Watts=5, GTB: Mpw=7.5GTA: Rp=7700, GTB: Rp=6,700Plate Current: GTA=9 mA, GTB=10 mA 
checking platter speed
Hello,It runs at 300Hz and is much more accurate than the usual 60Hz type.Will that be because you strobe at 300 Hz then divide that by 5 just like calculating the 72 degree from a 360 degree pulse?The KAB speed strobe specifies 99.99% accuracy at... 
checking platter speed
http://www.kabusa.com/frameset.htm?/Look for KAB Speed Strobe under "Favorite Items" on the right. 
Preamp Deal of the Century
Thanks Ait.Yes, our Chenin are different from each other then. Mine uses 6C4's.Great project you have there! That's a nice Tuner!I do not use my Chenin anymore. In fact it is on the sideline now. Maybe when the mood is right, then I will have the ... 
Preamp Deal of the Century
Okay thanks! So it means that the triode in the 6SN7's are Directly coupled and both seems to be voltage gain stages.No, I was not asking for changing the OP of the Chenin. Apologies if somewhat my statement sounded like that. All I am saying is, ... 
Preamp Deal of the Century
Hello,First of, thanks Ait for sharing your findings. I appreciate the time you took to explain to us what you did.After reading the post of using 7193 in place of the 6SN7's, I have a few quetions.1.) Does the change in sound could be accounted f... 
Your last speaker?
Linkwitz Orion Plus............... and Altec 604-8G in OB with flea power amps! Can I mention 2?Extremes, I know but the genre of music you listen to dictates what speakers you can own for a very very long time.The Orions are unique because it del... 
Do you have a secret "guilty pleasure" recording?
Michael Jackson - Off The WallSometimes, its therapeutic for me to go back and reminisce my Grade School days(I was in the 3rd grade when the album hit the charts, I think). regards 
Preamp Deal of the Century
OT: Ping Stiltskin!Hello Mark,I hope you received my email(sent weeks ago)to you regarding how wonderful the tubes I got from you are! Thanks again!regards,Abe 
Thinking of selling my Teres
Joe,Keep the Teres. Theres some part of you there when you finished the build. Your ingenuity, your passion, your style.FWIW, just in case you are wondering or tempted about the "idler" revolution, let me tell you my opinion. I have a Garrard 301,...