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Versatile and comfortable passive pre-amp

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#141
Count me in for a complete package

Rudi_Ratlos said:
Billy: you are the 1st one to pay. Thank you very much.

Best regards - Rudi

P.S. You need not be excited! Lean back and watch the stories' growth!

By the way: I have "outsourced" the job of matching the LDRs to "Mr. LDR" himself!
He has of course much more experience with LDRs than I have and will provide you with perfectly matched quads.
Click to expand...

Hi Rudi,

I would like to obtain as a complete kit as possible. Parts, PCB, case if you ever offer one... I live very far away so....

Best regards,

Jorge
 
#142
Rudi_Ratlos said:
@Palmito: Maybe it is best for you to wait for the 2nd round of this group-buy. I will start it when I am back from holidays,
in the 2nd week of August.
I have just drawn a "package" (this is the EAGLE term of the representation of the foot-print of a device) of BillyK's and Jean-Paul's
Click to expand...
I will wait. I had extra JP dac power supply pcbs that I bought transformers for, but I donated the boards to a non-profit and now have a couple of spare transformers. So this will work perfectly for me. Can you automagically move me to the second GB list when it's started? Thanks much.
 
#144
Jorge, you are in!
Gentlemen: thank you for your payments.

Best regards - Rudi_Ratlos
 

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#154
@Adrian: you can get the relays from here, for example:
Relais Takamisawa (Fujitsu) RY5W-K 5VDC 2 Wechsler 2 Form C DPDT | eBay

Gentlemen, I have created BoMs / Shopping cart for the VCPre- and the VCPre-Auxiliary PCBs.

You can find the shopping cart for the VCPre-PCB and the small LCD-Adapter PCB here:
https://secure.reichelt.de/index.html?;ACTION=20;AWKID=762192;PROVID=2084
Please choose "English" on the top right side.

The shopping cart does not include:
- the LCD - I recommend to buy here: LCD Display HD44780 4x20 chr 20x4 Yellow neg Backlight Artikel im zyscom Shop bei eBay!
- the motorized potentiometer (MOUSER offers either BOURNS or ALPS dual 100K linear)

There is one item (PSS 254/4G, a female 4-pin-connector) that has not been on stock today. I have put a 8-pin-connector into the basket;
you have to cut it.

You can find the shopping cart for the VCPre-Auxliary-PCB (HTBypass, SPO) here:
https://secure.reichelt.de/index.html?;ACTION=20;AWKID=762203;PROVID=2084

Not included in this shopping cart are:
- NTC resistors (to delimit the inrush current - Reichelt does not have on stock)
- 2 OMRON relays G6D-1A-ASI5VDC (not on stock currently)

If you want to order the components from REICHELT: you have to registrate yourself, open the shopping cart, klick on "Take all"
and start the order process.

I am sure that BillyK will publish the MOUSER - BoM soon as well.

Best regards - Rudi_Ratlos
 
#155
relays

Rudi_Ratlos said:
@Adrian: you can get the relays from here, for example:
Relais Takamisawa (Fujitsu) RY5W-K 5VDC 2 Wechsler 2 Form C DPDT | eBay

Gentlemen, I have created BoMs / Shopping cart for the VCPre- and the VCPre-Auxiliary PCBs.

You can find the shopping cart for the VCPre-PCB and the small LCD-Adapter PCB here:
https://secure.reichelt.de/index.html?;ACTION=20;AWKID=762192;PROVID=2084
Please choose "English" on the top right side.

The shopping cart does not include:
- the LCD - I recommend to buy here: LCD Display HD44780 4x20 chr 20x4 Yellow neg Backlight Artikel im zyscom Shop bei eBay!
- the motorized potentiometer (MOUSER offers either BOURNS or ALPS dual 100K linear)

There is one item (PSS 254/4G, a female 4-pin-connector) that has not been on stock today. I have put a 8-pin-connector into the basket;
you have to cut it.

You can find the shopping cart for the VCPre-Auxliary-PCB (HTBypass, SPO) here:
https://secure.reichelt.de/index.html?;ACTION=20;AWKID=762203;PROVID=2084

Not included in this shopping cart are:
- NTC resistors (to delimit the inrush current - Reichelt does not have on stock)
- 2 OMRON relays G6D-1A-ASI5VDC (not on stock currently)

If you want to order the components from REICHELT: you have to registrate yourself, open the shopping cart, klick on "Take all"
and start the order process.

I am sure that BillyK will publish the MOUSER - BoM soon as well.

Best regards - Rudi_Ratlos
Click to expand...

Hi Rudi,

I have on hand this relays OMRON G6H-2 Relay DPDT 1A 5V DC. I suppose they are ok...Please confirm.

Regards,

Jorge
 
#158
Well I have made the order in Reichelt...

Rudi_Ratlos said:
I am afraid, your relays won't fit, Jorge. They have quite another footprint.
Have a closer look at the image in post #134 (for example) and compare yourself!

Best regards - Rudi_Ratlos
Click to expand...

I followed your saved carts and I have already made the order in Reichelt.
I have a lcd screen and also a motorised alps pot.

Any ideas for a case? That is my main concern already because working with metal is very difficult and with wood is a mess, also I am space limited...

Regards,

Jorge
 
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