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Pass Balanced Zen line stage and power supply PCB's
Pass Balanced Zen line stage and power supply PCB's
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Old 19th January 2019, 07:54 PM   #1
elwood625 is offline elwood625  United States
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Join Date: Jan 2013
Location: Illinois
Default Pass Balanced Zen line stage and power supply PCB's

I have 8 sets of PCB's made by PCBway using files from Nelson Pass.

$10 each or $15 for a pair.
Shipping in USA is only $7.20 via USPS Priority mail
Shipping overseas isn't worth it considering shipping could be 2 - 4 times PCB's price.
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Old 19th January 2019, 08:08 PM   #2
twitchie is offline twitchie  Canada
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Pass Balanced Zen line stage and power supply PCB's
Count me in for 1 set. Any idea what shipping to Canada will be?
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Old 19th January 2019, 08:28 PM   #3
elwood625 is offline elwood625  United States
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Priority mail is $25.95, I need to know your postal code to determine First Class postage.
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Old 19th January 2019, 08:31 PM   #4
elwood625 is offline elwood625  United States
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Sorry, found it. First Class package is $16.
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Old 1st February 2019, 04:56 PM   #5
elwood625 is offline elwood625  United States
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I still have both PC boards available. $10 each or $15 for a pair (Line stage and power supply). $7.20 USPS Priority shipping to lower 48 USA.
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Old 1st February 2019, 11:37 PM   #6
dtaylo3 is offline dtaylo3  United States
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I will take a power supply board and the line state board. look for PM
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Old 4th February 2019, 03:30 AM   #7
rajesh is offline rajesh  India
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Considering that the design is quite old, are all the components still available? Sorry for the noob question.
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Old 4th February 2019, 01:10 PM   #8
elwood625 is offline elwood625  United States
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Using Nelson's BOM from the article, the part numbers have changed due to RHOS, yet they were easy to find using DigiKey online catalog. My power supply is finished and the Line Stage board is complete. I'm now working on the enclosure for the line stage.
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Old 4th February 2019, 01:56 PM   #9
twitchie is offline twitchie  Canada
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Pass Balanced Zen line stage and power supply PCB's
@rajesh - the pdf is on the PassDIY website and the components are nothing uncommon. Capacitors, resistors, a few zener diodes and IRF610 and 9610 mosfets.

PassDiy

It's an unfortunate trend in DIY that people forget the circuits of the past and only build the most recent designs while the commercial preamps from 20 years ago still regularly sell for hundreds or thousands of dollars on the used market.

If you get the chance to build this one you will not think it sounds bad. It is class A and designed by Nelson Pass after all. The best part is there are no expensive or difficult to source parts in this one.
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Old 4th February 2019, 03:32 PM   #10
Dennis Hui is offline Dennis Hui  Canada
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Pass Balanced Zen line stage and power supply PCB's
As has been mentioned, the parts are cheap and plentiful. I'll also add that
I find the BZLS article itself to be a particularly good read.

Dennis
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