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Peter Millett's Uniamp with KT88
Peter Millett's Uniamp with KT88
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Old 30th June 2007, 03:26 PM   #11
beetel is offline beetel
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Hi eeyore

Do you have part list for this circuit with digikey or mousar part numbers ? The list is not there on pmillett's website.

thanks
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Old 1st July 2007, 10:47 PM   #12
eeyore is offline eeyore  Australia
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Hi beetel,

I don't have one consolidated lists. The parts I used were:

- NOS Allen Bradley Resistors from eBay.
- Kiwame Power resistors (5W+) from DIY Hifi Supply
- Solen SM Tin Foil Coupling Capacitors from Parts Connexion
- Elna Cerafine cathode caps from Welborne Labs
- Sowter phase splitter from Sowter
- The power supply filter caps from Digikey
- KT88 Tubes from Tube Depot
- 12SN7 (change from 6SN7) and 5U4G from AES
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Old 2nd July 2007, 03:38 AM   #13
beetel is offline beetel
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What is the part number of power filter caps from Digikey ?

thanks
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Old 2nd July 2007, 03:45 AM   #14
eeyore is offline eeyore  Australia
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Panasonic FC caps. Catalogue pages 1339-1352 or 1358-1385 snap on type 500V.
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Old 18th July 2007, 03:45 AM   #15
eeyore is offline eeyore  Australia
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Anyone know where one can find a cheap (<US$50) power transformer with 230/240V primary that is suitable for the Uniamp?
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Old 19th July 2007, 04:09 AM   #16
glennb is offline glennb  Australia
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Hey eeyore, I see you've been registered on diyaudio.com for nearly 2 years and you live in Melbourne. I like you DIY efforts on your blog. You should consider joining the Melbourne Audio Club http://home.vicnet.net.au/~macinc/ . It has a circle of DIY audio devotees with a broad range of interests and skills and we have monthly workshops and home meetings for DIY (aka Audio Action).

(end of unashamed plug)
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Old 24th November 2007, 04:58 PM   #17
wuffer is offline wuffer  Denmark
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have you got the amp playing music???
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Old 24th November 2007, 10:55 PM   #18
eeyore is offline eeyore  Australia
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Almost. The chassis completed, all the components wired in. BUT having one problem. The transformer also always blows out a fuse when I switch it on. Had some discussions with Pete, and he seems to think that my custom wound Edcor may be wound for a 110V rather than 230V as I specified. Difficult to test without a variac. Am going to connect the two of them back to back, via a heater winding, and see what the voltages are. Unless there is a better way. It blows the fuse unconnected, and fully connected. VERY annoying .
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Old 25th November 2007, 07:43 AM   #19
Serge66 is offline Serge66  Switzerland
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Hi Eeyore,

Have you tried EVATCO? (www.evatco.com.au).
I bought a choke and an interstage xformer from them.
Both are Hammond products. The xformer does not impress me, though. I think they also stock power xformers.
Have fun.

Serge
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Old 19th December 2007, 02:02 AM   #20
danieljw is offline danieljw  Australia
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hi there i have a pair of uniamp mono blocks running

in case any one is interested they sound fantastic

peter milletts design is great

(5AR4,6SN7GT,6SN7gt and KT88 or 6l6GC)

-Dan
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