Group buy: AF4 Board

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BobEllis

BobEllis

Member
Joined 2003
#1
[h=Status]%2[/h]
Collecting interest

[h=Background]%2[/h]
Same AF-4 board as a few years back

[h=The organizer]%2[/h]
BobEllis

[h=The Offer]%2[/h]
AF-4 Boards designed by Jens Rasmussen.


[h=Specifications for the offer]%3[/h]
Single channel filter board that includes

HP/LP/BP filters 1st to 4th order
Linkwitz transform
Input buffer/Shelving filter
2 Peaking/notch filters
1 first order all pass filter
Output buffer with adjustable attenuation

One board can make a two way filter or a bandpass filter for one channel. Two needed for stereo. Three way requires 2 boards per channel, four way 3 boards per channel.

Requires +/-15V supply

[h=Prices]%3[/h]

Pcb $7 each at 100 Pieces total, $6 each at 150
Plus priority mail shipping. and paypal fees


[h=Exchange rates]%3[/h]

[h=Details and Instructions]%2[/h]
I will send a filter design spreadsheet to all purchasers.

[h=Documention]%3[/h]
Coming soon...
Schematic
BOM
PCB layout
Home page for the project
Project thread
Group buy thread


[h=The Deal]%2[/h]
[h=The time line]%3[/h]


{|border="1" cellpadding="5" cellspacing="0"
|-
|class="tcat" colspan="2" |Time line
|-
|Now||Sign up
|-
|Nov 15||Order the pcb's
|-
|Dec 30||Deliver the pcb's
|-
|date||The deal is closed and all boards are gone.
|-
|}

[h=Payment]%3[/h]
I'll appreciate if most people will use Paypal.

If you can't use Paypal for some reason there are other alternatives, please take this in private emails to me.

[h=Shipping]%3[/h]

I will post shipping rates shortly
 You can rather safely choose "regular mail" to most places in the world.
{| border="1" cellpadding="5" cellspacing="0"
|-
|class="tcat" colspan="5" |Shipping rates
|-
|No. pcb's||Weight gr||USA||Europe ||The world
|-
|1||73||12||22||26
|-
|2||131||24||44||55
|-
|3||189||24||44||55
|-
|4||247||24||44||55
|-
|5||305||36||75||85
|-
|6||363||36||75||85
|-
|7||421||36||75||85
|-
|8||479||36||75||85
|-
|9||537||44||140||170
|-
|10||595||44||140||170
|-
|}




[h=The ordering and payment procedure]%3[/h]

{| border="1" cellpadding="5" cellspacing="0"
|-
|class="tcat" colspan="2" |The ordering and payment procedure
|-
|1 ||Decide how many boards you want to order. Write it down on the list.
|-
|2 ||so I'll get your email address. Please also email me your contact info, address, phone number. Mention also if Paypal NOT is OK.
|-
|3 ||
|-
|4 ||You'll pay me.
|-
|5 ||I'll make a note on the list that you have paid.
|-
|6 ||I'll send the goods, write it on the list also.
|-
|7 ||You make a note when you have got the pcb's.
|-
|}


[h=The order list]%3[/h]
Sign up and fill in username, country and number of pcb's but let me add with the rest. You must also send me your email address. I'll send you a Paypal invoice as soon as possible. Change only when you have received the stuff. Right now it's only an interest list with NO OBLIGATIONS.

{| border="1" cellpadding="5" cellspacing="0"
|-
|class="tcat" colspan="11" |The order list
|-
|User||Country||Got email addr.||AF-4 Board||PSU2.2 board||Amount||Invoice||Paid||Shipped||Received||Notes
|-
|sandbasser||USA||No||4||4||Amount||YYMMDD||YYMMDD|| YYMMDD || YYMMDD ||--
|-
|Mfly||Netherlands||No||8||0||Amount||YYMMDD||YYMMDD|| YYMMDD || YYMMDD ||--
|-
|Coolfox007||UK||No||6||2||Amount||YYMMDD||YYMMDD|| YYMMDD || YYMMDD ||--
|-
|Joschl||Germany||No||6||4||Amount||YYMMDD||YYMMDD|| YYMMDD || YYMMDD ||--
|-
|User||Country||No||Product A||Product B||Amount||YYMMDD||YYMMDD|| YYMMDD || YYMMDD ||--
|-
|User||Country||No||Product A||Product B||Amount||YYMMDD||YYMMDD|| YYMMDD || YYMMDD ||--
|-
|User||Country||No||Product A||Product B||Amount||YYMMDD||YYMMDD|| YYMMDD || YYMMDD ||--
|-
|}
 
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