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Old 18th January 2013, 10:39 AM   #491
Telstar is offline Telstar  Italy
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Quote:
Originally Posted by miepa View Post
jep. i can`t find a 2R2 Dale at any distribution i know
and RN55 is way to small it has to be 0.5W that would mean RN65 - but then you have the wrong footprint.
so its not that easy as it seems!
My RN55 was 1/8W for a headphone amp, just an example of high PPM cheaper type.

dale resistor Metal Film Resistors - Through Hole | Mouser

Weird, you're right.

Using higher wattage perhaps? "Vertical mount" don't look so horrible sometimes.
anyway i dont believe a couple of different resistors will do much to the sound. We are really nitpicking here.
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Old 18th January 2013, 10:40 AM   #492
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Please, Michael and Guido: use the FC-100 Builder's thread for questions like: which brand of resistors to use.

Roender's FC-100 prototype and builder's thread

Best regards - Rudi

Last edited by Rudi_Ratlos; 18th January 2013 at 10:45 AM.
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Old 18th January 2013, 10:41 AM   #493
miepa is offline miepa  Austria
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sorry Rudi.
for sure i will do so!
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Old 18th January 2013, 10:43 AM   #494
Telstar is offline Telstar  Italy
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Oh I'm sorry, I thought it was the builder's thread.

ask a mod to move our posts maybe?
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Old 9th February 2013, 02:07 PM   #495
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Gentlemen, dear FC-100 friends,

my DIY-friend METAL and I are currently working on a "universal - passive PRE-AMP supplementary PCB", consisting of:

- Source Selection (3 optional choices)
- Mute functionallity
- George Stantscheff's "Lightspeed Attenuator" being controlled by a motorized potentiometer, being controlled by Infrared
- 2 Temperature Sensors
- 2 x 16 chars Front-Panel - LCD - Display

Click the image to open in full size.
http://www.abload.de/img/image1tfa8s.png

Everything can be operated from a infrared-control unit.
It won't be long until we will finally be able to offer you this PCB.

If anyone of you is interested to have this PCB: please tell me.

Best regards - Rudi_Ratlos
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Last edited by Rudi_Ratlos; 9th February 2013 at 02:17 PM.
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Old 9th February 2013, 02:13 PM   #496
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I already did the prototype PCB (the small red 100x100m PCB in the middle), and everything "works as designed".

Best regards - Rudi_Ratlos
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File Type: jpg ACA#1 013.jpg (393.4 KB, 205 views)
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Old 9th February 2013, 02:52 PM   #497
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The only issue I see is sourcing matched LDRs. Would someone be supplying matched sets? If yes then this is really interesting to me.

Will you sell just PCB or LCD and motorized pot as well? Will it have IR learning features? What would be the cost?

Sorry for all the questions.

Ciao!
Do
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Old 9th February 2013, 03:03 PM   #498
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Yes, of course, Pinnocchio:

I will provide you the PCB, a pre-programmed PIC 16F886 µProcessor and matched LDRs. That is it.
I have ordered a couple (16 pcs., still waiting for RSOnline's receipt) of LDRs for my own use, and I will find out, how well they will match.
George Stantscheff told me how to match them.

Best regards - Rudi_Ratlos
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Old 9th February 2013, 03:18 PM   #499
RKH is offline RKH  United States
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Default Yes... interested

Hi Rudi,
I am interested in the pre-amp project.

Cheers,
Ryan
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Old 9th February 2013, 03:21 PM   #500
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I'm in!

Do
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