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Old 15th February 2012, 04:34 PM   #1
diyAudio Member
 
Join Date: Mar 2009
Default GB for DIY Curve Tracer for PC

Hello,

After a first interest check, I am pleased to open the group buy for Locky_Z DIY Curve Tracer.

First some introduction / warnings:
I live in China, and I learnt the existence of this DIY Curve tracer thanks to diyAudio member Amplifire who told me this could be interesting, and would make some people happy if I could organize a group buy (apparently he was right !)
My Goal is to allow the purchase of this device by taking advantage of my location in China, and contribute to this great forum

I am not the designer of this curve tracer, and at the moment I have not even used one yet. So I will be unable to support anyone with the operation.

Locky_Z is very nice and helpful, and I'm sure he will do his best to help, but the sales is done without any commitment from my side or his side
There should also be other DIYAudio members who have already purchased and used the unit who might provide some support
A user manual in simple english is available (and at first glance should be sufficient to understand the device and software operation)
By adhering to this group buy, I assume that you know perfectly what you are purchasing, and that you will know how to use it.

As I said, I don't want to make a profit from the operation, but I don't want to lose money either. These group buys are time consuming, and somewhat of a headache, and I do this on top of my spare and family time.
Last: You may have to be patient. These are made by hand, and I have a life and job besides that. I will ask you to pay only a few days before shipment

What are we talking about?
We are talking about a kit to make a DIY Curve tracer designed and built by Locky_Z in China that can measure a lot of different devices under a lot of different conditions.
The kit consists of a readily assembled PCB with all components soldered, tested and calibrated by Locky_Z (as in the photo below)

Click the image to open in full size.

(For weight reasons, no fully boxed set will be provided)
To be operationnal, the user will need to provide his own power supply (32-40 Vdc @ 2.5A), heatsink for Power transistors, and casing.

For the PSU, look for HP printer power supplies on eBay as Amplifier advises: DIY Curve Tracer for PC These happen to be what Locky_z uses in his boxed units.
For the heatsink, a small aluminum "L" shaped bar will do

The kit is supplied with a CD containing the calibration parameters of each single unit. Each unit will be different to this respect.
Note: Locky_Z informed me that some of the components are from dismantled equipment (second hand): relays, power transistors, DAC... . They will have a "used" look, but they are normally perfectly functionnal.
Each unit will be supplied with the corresponding software and calibration parameters in an .ini file.

More info here: http://www.diyaudio.com/forums/solid...-new-post.html

Warranty
DIY Rules apply..... so there will obviously be no warranty. One of the main reasons is the units cannot practically be returned to China because of prohibitive Import Duties.

Shipment
Tracked shipment from China are not cheap, but to avoid any claims, I will only offer tracked shipment through EMS. Increasing somewhat the price, but reducing time to delivery, and making things clearer for everyone.

Note: I am happy to make a grouped shipment to any continent if someone wants to organize the local dispatch.

Price
Price for an assembled, tested and calibrated unit which means PCB+components only (NO power supply, NO chassis) + CD and manual is 66 Euro + shipping cost. (Paypal included)

Then you add the real EMS cost (updated March 17th)
Shipment to Australia: ~24 euro
Shipment to USA : ~27 euro
Shipment to Europe and Canada: ~30 euro

More info here: International EMS Price List - EMS China


Payment:
Payment will be in Euro only, by Paypal, payment in advance. transfer to a family member or friend to avoid fees)
Bank transfer possible for Eurozone residents (2 euros discount if you chose this option)


Rules (instructions):
If you are interested, and adhere to the group buy rules:
1-you copy the existing name list and add your name at the end,..
2-you contact me by PM with your coordinates
I will need
- Full Name
- Full Address
- Phone number (for customs declaration)
- Payment choice: Paypal or IBAN / Bank transfer (EUROZONE residents only)
3- Then you wait for my instructions for payment and details (Locky_z will build them one by one, so I will not ship them all at once... just be a little patient)

4- After payment, I will send your unit to specified address and give you the tracking number
5- (optional) You can confirm reception by PM or in the thread to reassure me and help me sleep better, with the satisfaction of the job done !

Validity:
I plan to organize one run of the group buy only for now.
No more orders will be taken after 28th March at midnight

That's it.. yes these are long instructions... But this GB is taking a lot of time and is not the easiest to organize (all communication with Locky_z and post office is in chinese which I don't speak well ..to say the least...).
=> Please respect it to prevent me from constantly chasing your information (there are 40 people in the GB now... imagine if I have to send 2 or 3 reminder to everyone until all info is complete + 2 reminders for payment, etc...)

let me know if I forgot anything !

Fred

Last edited by Lazybutt; 13th May 2012 at 12:45 PM. Reason: Updated Shipping cost
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Old 15th February 2012, 04:44 PM   #2
diyAudio Member
 
Join Date: Mar 2009
Link to the users Manual in english

https://docs.google.com/open?id=0B4R...k0NzIwYzNkMjhm
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Old 15th February 2012, 04:52 PM   #3
diyAudio Member
 
Join Date: Mar 2009
And the schematic, so you have everything in hands now...

https://docs.google.com/open?id=0B4R...g0ZGJkOWJiYjE2

Cheers!

Fred
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Old 15th February 2012, 04:54 PM   #4
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Join Date: Jun 2009
Send a message via Yahoo to kannan_s
Add my name DIYAUDIO user name
kannan_s USA
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Old 15th February 2012, 05:06 PM   #5
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Join Date: Dec 2007
Add my name DIYAUDIO user name
kannan_s USA
Bksabath UK.
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Old 15th February 2012, 05:07 PM   #6
FdW is offline FdW  Netherlands
diyAudio Member
 
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Join Date: Feb 2009
Location: Both feet on the ground (near Gouda)
To be sure my name is on the list (I did say yes in the 'DIY Curve Tracer for PC' thread), I here repeat my request:

Yes I want on the list

Regards,
Frans.
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Old 15th February 2012, 05:35 PM   #7
diyAudio Member
 
Join Date: Jun 2004
Location: uk
BarryBlue

One for me please.
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Old 15th February 2012, 08:57 PM   #8
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Join Date: Oct 2011
Location: Tokyo, Japan
Fred,

Compliments for how you took this on and how you organised it !! We own you big time.

You can add me on the list, but as I said other folks can go before me, so put me on the bottom of the list, and I'll take one if any left.

kannan_s (USA)
Bksabath (UK)
FdW
BarryBlue
Amplifire (France)

cheers,
oscar
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Old 15th February 2012, 09:24 PM   #9
Geofd is offline Geofd  Switzerland
diyAudio Member
 
Join Date: Sep 2011
Please put me down for 1

kannan_s (USA)
Bksabath (UK)
FdW
BarryBlue
Amplifire (France)
Geofd (Switzerland)

Regards

Geof
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Old 15th February 2012, 10:24 PM   #10
diyAudio Member
 
Join Date: Jul 2009
Ca you please put me down for 1 as well:

kannan_s (USA)
Bksabath (UK)
FdW
BarryBlue
Amplifire (France)
Geofd (Switzerland)
John Luckins (UK)

Many thanks

John
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