Group buy: AF4 Board
Status
Collecting interest
Background
Same AF-4 board as a few years back
The organizer
BobEllis
The Offer
AF-4 Boards designed by Jens Rasmussen.
Specifications for the offer
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
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
Prices
Pcb $7 each at 100 Pieces total, $6 each at 150
Plus priority mail shipping. and paypal fees
Plus priority mail shipping. and paypal fees
Exchange rates
Details and Instructions
I will send a filter design spreadsheet to all purchasers.
Documention
The Deal
The time line
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. |
Payment
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.
If you can't use Paypal for some reason there are other alternatives, please take this in private emails to me.
Shipping
I will post shipping rates shortly
You can rather safely choose "regular mail" to most places in the world.
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 |
The ordering and payment procedure
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. |
The order list
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.
The order list | ||||||||||
User | Country | Got email addr. | AF-4 Board | PSU2.2 board | Amount | Invoice | Paid | Shipped | Received | N otes |
sandbasser | USA | No | 4 | 4 | Amount | YYMMDD | YYMMDD | YYMMDD | YYMMDD | -- |
Mfly | Netherlands | No | 8 | 0 | Amount | YYMMDD | YYMM DD | YYMMDD | YYMMDD | -- |
Coolfox007 | UK | No | 6 | 2 | Amount | YYMMDD | | YYMMDD | YYMMDD | -- | |
Joschl | Germany | No | 6 | 4 | Amount | YYMMDD | YYMMDD | YYMMDD | YYMMDD | -- |
bfischer | USA | 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 | -- |
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