kevin gilmore

reposted for posterity. Any person that would do this and think they can assemble a T2 probably should reconsider.

I don't know who that is, but the angle brackets are nowhere in any of those pictures. Almost impossible to build without the angle brackets. and brazilnut is aka hennyo aka dude5OO aka becky aka rebecca aka... so I would not put much value in what he says.

so here are 2 pictures of the screw being arc'd material from the screw is missing and the plastic is melted These are from the T2 power supply and the voltage was close to 600V

I do have a picture of the t2 arcing, it was thru the screw to the center hole. After that most of us switched to ceramic and peek or similar screws. It's actually only 350v in this case, B+ to ground.but still, likes to arc. The thicker silpads without holes and spring clips also work but you have to drill extra holes in the heatsinks. 5.1k. Rn60d resistors is what most people use. i forgot about the bias line, should be 4.7M (or 5M) rn60d. Required for sr007,sr009 i might be able to add the 5.1k resistors to the board

The intent was to attach the board to the side with the heatsinks vertical using these or similar. Board down, or Board up, really does not matter. http://www.newark.com/ettinger/14-86-313/mounting-bracket-steel-enclosures/dp/59M4493?ost=14.86.313&ddkey=http%3Aen-US%2FElement14_US%2Fsearch

then you need to lower the resistance of r11 even further.

something is wrong, with .85ma and 300v, should be 240 volts that is only 20 volts now to B+, the stage is likely to clip

Same pinout so they should work

feedback is absolutely not going to work, need resistors between cathodes and R3. But then the gain goes down And then you need C2. And there is not enough voltage gain to begin with.

here are both of them, not sure which one was in the group buy 3) Its a current mirror. So output voltage depends on impedance, currently 1100 ohms. Needs an output buffer if you are going to use it for a preamp.

the Teflon drifts a bit. So the diameter is .716 inch and the hole size is 81th have not found a socket that does not fit or fits tight yet.

no room for anything else...

dual primaries are fine everywhere in the world except japan.

yes they definitely work. where the schematic is, not sure at the moment. if there are troubles its usually the that340 chip.

All the SumR transformers I bought were universal voltage. 100,120,200,240 dual windings, one tap per winding They should already know exactly what these transformers are. It would probably take me a while to dig up the original quotes.

ksc5026 is an in stock substitute for the npn

that is amb's step attenuator setup and should be fairly easy to fix.

It really depends on which resistors were changed. If they gave you a schematic, please post it. Edit: found the schematic. you can replace the 1k with 10k resistors. The power supply will come up a bit slower, but it will otherwise work.

Yes that is one of my layouts, not in a position to look up schematic/board at the moment.

In balanced mode the output current capability can blow the protection circuit of the esl63 if you attempt to play it to loud. other than that, it should sound wonderful.

The 25 amps was ac line input current rush

I guess you can use the amps supply at +/-40 and then you don't populate the reg transistors. But I would go with +/-55v and then use the reg transistors and the GRLV to make the 40v references you might get away with +/-50v because the voltage drop of the GRLV should be minimal that way it's going to be absolutely noise free. congo5 did have some trouble with the power on, the switch on for the transformers he is using drew something like 25 amps If that smps supply is designed

There was a cement power resistor tit perfectly, I am not in a position to get the part number now. you need the balanced front end board which stacks on top of the amp board if you want to do balanced. the +/- reg inputs come from GRLV supplies set for the appropriate voltage (which I don't remember) I don't remember what the pot does, probably output current adjust single ended its 25 watts pure class A into 8 ohms. Balanced 100 watts pure class A into 8 ohms. you can raise the power supply voltages and lower the idle current and get 400 watts into my 8 ohms 50 watts of which are class A Obviously you need the appropriate mound of aluminum to get rid of the heat. Or water cooling.

Kerry will have to answer that. mikhail's biggest problem was the fact that everything out of his mouth was a lie. every es1 burned up the hand selected tubes mikhail picked for them due to major cathode voltage violation. After that the amp is toast. There were 2 other es1 with the gas tube power supplies. One of those is known toast. also the price of 33000 yen for the t8000 is clearly way off base, it is 550000 yen and the website has changed!

The Kerry version of the T2 is a one of piece, and I'm pretty sure Kerry won't sell it for anything less than $50k. none of that stuff is available, including the 2 singlepower pieces. At any price. There were only 5 X es1/es2 total made, I have one, Birgir has one, and I know where 2 of the other 3 are. And that sdsxlr is also a one of piece.