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Old 18th January 2013, 06:10 PM   #651
miepa is offline miepa  Austria
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Quote:
Originally Posted by Telstar View Post
I did another search on Mouser up to 2.5 ohm, and still nothing available. I had to up the power to 1W to find something.
If you can/like mount vertical there are a few that could work.

This is the closest match:
CPF12R2100FKB14 Vishay/Dale | Mouser

Hope this could help u guys.
hmmm, then you maybe looked in the wrong place!
here you go: cmf552r Metal Film Resistors - Through Hole | Mouser
shows all CMF55 between 2-3Ohm which can be ordered at the moment at mouser!

Quote:
Originally Posted by roender View Post
Anything between 2 and 3 ohm will be ok.
roender, what would be the "better" solution instead of the 2R2?
2 Ohm
or
2,87 Ohm

thank you.
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Old 18th January 2013, 06:16 PM   #652
Telstar is offline Telstar  Italy
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Quote:
Originally Posted by miepa View Post
hmmm, then you maybe looked in the wrong place!
here you go: cmf552r Metal Film Resistors - Through Hole | Mouser
shows all CMF55 between 2-3Ohm which can be ordered at the moment at mouser!
Ahem,
wasn't the resistor specified for half watt? You can go higher but not lower (it causes higher distortion, provided it doesn't burn).
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Old 18th January 2013, 06:18 PM   #653
miepa is offline miepa  Austria
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Quote:
Originally Posted by Telstar View Post
Ahem,
wasn't the resistor specified for half watt? You can go higher but not lower (it causes higher distortion, provided it doesn't burn).
CMF55 is half watt. look at the datasheet. it`s 0,5W @ 70 and 0,25W @120
when you compare them with other datasheets like other Vishay or PRP you see the all refer to 70
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Old 22nd January 2013, 04:45 PM   #654
miepa is offline miepa  Austria
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does anyone use BHC Aerovox Slit Foils in the FC-100 Backend?
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Old 9th February 2013, 01:16 PM   #655
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hi

Click the image to open in full size.


Click the image to open in full size.

Gerhard
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Old 9th February 2013, 01:49 PM   #656
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And, Gerhard: how does the FC-100 sound in your ears?

Best regards - Rudi_Ratlos

P.S.: I like your build (metal and wood) very much!
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Old 9th February 2013, 07:44 PM   #657
atupi is offline atupi  Romania
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Gerhard, you posted only thumbnails, i'm not able to see your beautiful amp.
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Last edited by atupi; 9th February 2013 at 07:54 PM.
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Old 9th February 2013, 09:05 PM   #658
atupi is offline atupi  Romania
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Could someone help me and explain how to use the testing/matching circuit presented on Buiders manual Page 22 in order to measure Hfe and Vbe for:
2SC3423Y/2SA1360Y
MJE15034/MJE15035
NJL0281/0302

For To-92 transistors i have a DMM with hfe measuring capability.

Thanks!
Adrian
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Old 10th February 2013, 07:15 AM   #659
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Since I know that Gerhard visits this forum not very often, I will publish a photo in his place.

Best regards - Rudi_Ratlos
Attached Images
File Type: jpg Gerhard.jpg (709.4 KB, 371 views)
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Old 10th February 2013, 07:16 AM   #660
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Adrian, I will send you an EMail regarding your question in post #658.
Best regards - Rudi
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