Everything posted by DigiPete
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Post what you're watching
The Tudors coming back for its third season tomorrow. The wife and I like that one.
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What are you listening to Part Two
Dire Straits - Sultans of Swing HDCD
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What are you listening to Part Two
General Public -- ...all the rage Vinyl
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What are you listening to Part Two
Gino Vannelli -- Brother to Brother Vinyl
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What are you listening to Part Two
Viva Flamenco! - various CD
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Post the last thing you bought!
Neotech UPOCC Silver 28 AWG Teflon Insulation Neotech UPOCC 28 AWG Teflon Insulation EICHMANN Metal Barrel Black Vampire BAR Spades Belden 8660 Braided Copper Shield Cardas R DIN 90 Degree DIN 3/8 Shrinktube The makings of my new tonearm cable
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What are you listening to Part Two
Eden Atwood -- This Is Always: The Ballad Session SACD
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Group Build: Dynafet
I guess if I print out those pcb pictures maybe they will be to scale, and I can measure the pitch?
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What are you EATING right now?
Ratatouille with shrimp
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What are you listening to Part Two
Sting -- Brand New Day DVD-A 48khz/24bit
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Group Build: Dynafet
An RN55D? I guess, if the power dissipation is around 1/4w or less...??
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What are you listening to Part Two
Jane Monheit -- Taking a Chance on Love CD
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Group Build: Dynafet
RN55D if the lead spacing is 0.3". Will these 1/8 watters work for all positions mentioned above, except the 2 and 5 ohm?
- Group Build: Dynafet
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Group Build: Dynafet
Hmmm... the tables didnt come out right....
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Group Build: Dynafet
Guys, Here is the resistor BOM as it now stands based on the latest schematic. If these are the correct values and numbers, I will source various parts and present a final proposal to the group. I would say everyone gets the same parts, guys who want custom resistors or caps, either go it alone, or buy the whole pile of parts (resistors, caps, leds, trimpots, teminal blocks and ICs). Trying to keep it affordable and manageable. What say you? Ok, now getting some feedback from y'all on parts selection: What values are R59 and R62 ? Is 1M the correct value for R63? Xicon for the 2 and 5 ohm from Pars BOM. RN60D for the rest (will those fit?), but I can put in PRPs for critical signal path resistors, you guys tell me which ones to put PRPs in for. For Caps there are alot of ?? in the schematic. For rail caps is everyone ok with 470uF? What is the lead spacing and diameter limit for them? i'm calling them C3-C8, hope that's correct. How about P10352-ND Panasonic FC , or Nich UPW? Boutiques like Nichi Gold Tune or Elna Silmic II, or ?? What bypass caps do you want (i'm calling them C13-18)? Are there six bypass caps on the board, could not tell? How about 399-5442-ND CAP FILM Kemet MMK .47UF 63VDC 5MM 495-2560-3-ND Epcos MKT .47UF 63VDC 5MM 75-MKT1817447064 Vishay Roederstein .47UF 63VDC 5MM Vishay BC or Wima MKS2 ?? C19? C20 and C21?? C9 and C10 for the voltage regs to the alternate OP amp. I assume the prototype board testers will determine if another opa will be used and if these will be populated, and by what. C1 10pFSilver Mica C2. 047uFmet polyest film
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Group Build: Dynafet
Do we have a validated final schematic with correct part numbers?
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Group Build: Dynafet
I'll try to come up with something this weekend
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What are you listening to Part Two
Diana Krall - The Look of Love SACD Modwright SWL 9.0SE tube preamp
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Group Build: Dynafet
So luvdunhill and KG are going to build up the first boards for test? That cool. When everything is settled, I will assemble the passive parts order.
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What are you listening to Part Two
Norah Jones -- Come Away With Me SACD
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What are you listening to Part Two
Annie Lennox -- Diva CD
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What are you listening to Part Two
Eurythmics -- 1984 For the Love of Big Brother Vinyl LP
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Group Build: Dynafet
Marc, I assume you mean this http://b.j4cbo.com/temp/gbf2.0rc1-sch.png If this is verfied accurate, I will use it. I thought some part numbers were mangled, but I will look at it again. Pete
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Group Build: Dynafet
J4cbo, When able can you get me an official parts list with component numbering and values, hard to read those off the diagram. When that is done, I will start putting together the passive component buy. Cheers, Pete