starcat
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Posts posted by starcat
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Yo guys,
anyone having 2 Carbon amp and a GRHV (best would be split fats boards or evtl. the split skinny) boards, please let me know. Cheers
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Hey Kevin, is there a new continuation thread to this somewhere, or did you just stopped this project? Hope you are well.
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Guys, anyone have some 5-pin jacks for sale? Highly appreciated.
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On 1/24/2021 at 11:19 PM, jamesmking said:
1. I assume the poster was referring to a circuit diagram NOT the marking on the case of a transistor.
2. I could not be bothered to see if the transistor in question was a bjt, mosfet or whatever. I probably should have put a / between the hfe and the word gain to cover more options.
3. Almost all of kevins circuit diagrams do not specify the transistor gain variant....
4. I just had a conversation today with someone about transistors and almost every transistor we mentioned we did not put the gain letters on the end because it did not matter for the purposes of the conversation.
5. I completely agree if we are talking case markings then there should be a letter code on lsk389.
starcat where you referring to transistor cases without the gain letter or just lsk389 in a circuit diagram or in conversation?
Yes, I was referring to LSK389 TO-71 markings on the case, someone was selling on ebay, some 5 pcs or so. They were pictured well and there was no letter at all after the LSK389. Might have been fakes... price was though pretty original-like.
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James, JoeMat, thank you very much. I will be building the original T2 in the black Dr. Gilmore case with the RK50. A valuable forum member was kind enough to provide the bulk of the transistors, some are coming from BDent. Ordered everything else from mouser, custom transformers from mueller-rondo. Some parts already showed up. Will be posting in the T2 thread how everything goes.
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Anyone has used other .5 watt resistors instead of Xicon 273 or know which Vishay series is a direct replacement for Xicon 273?
Pretty much sourced all the transistors, except for the 8x 2sk216
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Hi there,
I know the difference between the A..D versions of the LSK 389 but how does the LSK389 without a letter differ to the versions with a letter? Thanks for any insights!
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On 9/28/2017 at 3:43 AM, Skooby said:
Are these valid DIY T2 tranny specs?
30-0-30/500mA, 2x6.3V/1.5A, 2x6.3V/4.5A
Two of 485V/150mA, 285V/60mA, 75V/60mA
Kevin states here that 475V are needed instead of 485V.
Or is 485V a new update?
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Thanks, James. So, next for you would be the Megatron?
I am just getting PCBs and a case from GeorgeP for the T2.
Anyone have some 34-40x 2sc3675 available for sale?
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Howdy,
I was looking through the google drive archives for the T2 gerber file corresponding to the original schematics but found different versions. Could someone point to which gerbers correspond to the original schematics from above. Highly appreciated. Thx.
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Thread seems to be dead, all builders left 🙂
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Hey James, which one do you like more the T2 or the BH, you have build both, what is your experience during building and then listening to them? Cheers
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Hi guys,
any experience with combinations about 10k/50k volume pots and the different LSK versions?
I saw above James using 10k with the LSK389A, which would have been my favourite as well.
But... It seems I can only find the Alps RK50 in its 50k version and am not sure whether I should order the LSK389A or the LSK389B for my Blue Hawaii. What would be your recommendations? I would be using an XLR source, mostly a DAC like the Mytek Brooklin, Squeezebox Transporter or Topping D90 MQA.
Thanks very much!
Kerry Design mini GRHV\GRLV and JoaMat mini T2 Group Buy
in Do It Yourself
Posted
Guys, any leftover boards available? Would be interested in 2 sets of PS boards and 1 mini T2:
4 grhv, 2 grlv78xx, 2 grlv79xx, 2 main board, 1 mini t2 please