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Old 29th August 2010, 09:00 PM   #201
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That's exactly where I got mine from. In addition, they have most of what is needed for the dcb1 build, including Huntington resistors (similar to Mills) for the large 5W ones in the PS.

Anand.
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Old 29th August 2010, 09:16 PM   #202
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Quote:
Originally Posted by nycavsr2000 View Post
That's exactly where I got mine from. In addition, they have most of what is needed for the dcb1 build, including Huntington resistors (similar to Mills) for the large 5W ones in the PS.

Anand.
Yep, Banzai are excellent. I was worried the shipping costs might put you US guys off a bit, but for us Europeans they are a good choice.
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Old 30th August 2010, 06:58 AM   #203
cedricb is offline cedricb  Europe
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4.66 euros each!
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Old 30th August 2010, 08:50 AM   #204
qusp is offline qusp  Australia
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ahh right, that one isnt on the OMRON signal relay page. maybe nos or not a signal relay. OK i'll shoot Banzai an email and see what they say. I have a feeling the shipping will be insane, but yeah i'm sure I can find some other stuff that I want there.
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Old 30th August 2010, 12:26 PM   #205
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Originally Posted by qusp View Post
ahh right, that one isnt on the OMRON signal relay page. maybe nos or not a signal relay. OK i'll shoot Banzai an email and see what they say. I have a feeling the shipping will be insane, but yeah i'm sure I can find some other stuff that I want there.
Shipping was 9 euros to the USA. Don't know how much it is to countries down under That's pretty reasonable from where I come from. So I bought a whole bunch of other stuff from them as well, i.e. non critical resistors, WiMA caps.

Anand.
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Old 30th August 2010, 01:23 PM   #206
qusp is offline qusp  Australia
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yeah thats pretty good, would be a bit more to here, but not off the map, guess i'll be giving them an email. thanks for the heads-up
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Old 30th August 2010, 01:53 PM   #207
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I have a question/suggestion concerning the grounding-scheme. Please see the attached picture. Normally the buffer's ground would be connected to the PSU's ground via the green jumper. If done like that, the buffer's return-current would share the shunt-reg's return-current path. In a power amplifier this can lead to problems when there are large current pulses from the PSU. Here we have a regulator with a constant current draw and a tiny buffer...but still, wouldn't it be better (lower impedance) to route the ground like depicted with the red jumper?
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Old 30th August 2010, 02:01 PM   #208
Salas is offline Salas  Greece
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The printed ''tail'' lets the filter caps currents recombine locally. Then you add yet another parallel tail only for the audio. I would not expect it to change anything. It ain't buzzing even on Tea's Lowthers as he reported with his proto, so...
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Old 30th August 2010, 03:15 PM   #209
Tea-Bag is offline Tea-Bag  United States
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Still isnt buzzing, on other set of lowthers in main system.
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Old 30th August 2010, 07:56 PM   #210
CxTurbo is offline CxTurbo  Canada
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Would anybody see any reason not to use a Mundorf Silver oil in the .22uF position? Other then the size issue obviously.

On a side note I did get a quote from Texas Components on the TX2575 and TX2352 resistors that DVB is using.

TX2352 220K00 *0.1%
1-99pcs $36.00 ea USD
100pcs $34.00 ea
250pcs $32.00 ea

TX2575 220R00 0.1%
1-99pcs $12.00 ea
100pcs $10.00ea
250pcs $9.50 ea

Plus shipping and such.

Is anyone considering starting a groupbuy for these items in the future?

I was also looking at doing Caddock TF0's in the 220K position instead of the TX2352's.
Any thoughts?
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