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Hi all, can't seem to locate a functioning link to the 2300 amplifier PDF. It was apparently uploaded by one of our good citizens back in 2012 and the link is now broken. Anyone have any data to share

thank you john, i await your mail, regards rob

Does anyone happen to know what the IC’s are on the Nixie board? They’re all unmarked. Thank you, John

If your looking to stay with T066 devices your looking at 8pcs of 2N3585 & 8pcs of 2N6213. I only saw both at Mouser Electronics. Not cheap!

Alexander Eugene Wilson?18173132007 133 Kings Row?St Arlington Texas United States ???76010?

Rob, Sounds like the same one I’m working on right now. I replaced those T066’s with new devices. 11-0066(b) MJE15032G 11-0072(b) MJE15033G You have to do some extra stuff to them also so they

ok john thanks, i have two 2600s the Pre-driver & driver boards in one of them has the TO-66 in them can you please advise replacements for the TO-66 on both boards , part numbers and where to get

Rob, Craig had the info on your version of the 2600. Mine was the older version I’m working on which used different parts than yours.

hi john, can you re-send me the mail on the pre driver and driver boards that you sent me please,thats if it was from you,regardsrob

?hi Craig, can you re-send me the mail on the pre driver and driver boards that you sent me please,thats if it was from you,regardsrob

You are going to need transistors with the lead spacing of a TO-3P or TO-264. The MJWs I mentioned work great but need to be fitted. TO-220s might work if you spread the leads out, but it's a very

thank you john, kind regards rob

There are several legitimate electronics suppliers online.Like Digikey,Mouser,Arrow and others.I checked Avnet Express and they show the MJE15032G and MJE15033G for .66 and .98 each.Cheaper than

They fit on the A501 no issue. I see they are 2mm wider and like 5.5mm taller. I looked at my 2600 and the MT-200’s wouldn’t fit either but it’s like so close, heat sink overall is 140mm. So

The later 2600 with the toroid power xfmr used the Toshiba 2SB755 and 2SD845 as drivers. These are an XM20 package. The MT-200 package will not fit because they are too wide. The last 2600 I rebuilt I

Rob, Go to Bdent.com. They have in stock and what they sell is all genuine. They are a good supplier for hard to locate transistors that are not fake. John

hi john, can you please advise where i can source genuine parts from please, regards rob

I didn’t think they made them that way. Must have been a newer version I guess. The one I had and the schematics I’ve seen all showed the T066 devices / 2N3585 & 2N6213. Anyway if it has those

thank you john best regards rob

hi john,?? the toshiba,s 2SD845 & 2SB755 on the driver boards, regards rob