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Old 30th April 2011, 10:27 AM   #1
Stee is offline Stee  Italy
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Default the Caniggia Connection

this schematic is similar to CFP but with common base input (good to avoid saturation) and with a little gain
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Old 30th April 2011, 11:58 AM   #2
Stee is offline Stee  Italy
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Default better power with discrete opamp

it's also a good idea increase power with balanced configuration (need XLR otput on DAC)
very important tube preamplifier without NFB to expand signal and have a deeping scene
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Old 3rd May 2011, 12:09 PM   #3
Stee is offline Stee  Italy
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Default LSK 389

it's a double 2SK170
much better on mirror because more similar
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Old 3rd May 2011, 02:49 PM   #4
ATAUDIO is offline ATAUDIO  Austria
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Quote:
Originally Posted by Stee View Post
this schematic is similar to CFP but with common base input (good to avoid saturation) and with a little gain
I am doing something similar with a double CFP that is under development. Just I did not know about this Caniggia .

The other one that I remember was playing football in The magic Brazil team with Pele'.
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Old 3rd May 2011, 05:40 PM   #5
Stee is offline Stee  Italy
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Default my Name is Stefano Caniggia!

http://www.diygene.com/schemas/m-9sch.pdf
http://www.diygene.com/schemas/a-100sch.pdf
really this idea comes from Mark Levinson's input (inverted)
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Old 3rd May 2011, 07:14 PM   #6
Stee is offline Stee  Italy
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Default common base VAS

is from Accurphase
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Old 4th May 2011, 07:04 PM   #7
Stee is offline Stee  Italy
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Default better view

with op-amp
http://www.esafono.it/caniggia_connection.png
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Old 4th May 2011, 07:29 PM   #8
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Is the red line supposed to go from the junction at the one 330R resistor to the other?
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Old 5th May 2011, 05:28 AM   #9
Stee is offline Stee  Italy
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Default yes

see new zoom

better way @ 18V is balanced mode (domestic power)
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File Type: png balanced mode.PNG (34.1 KB, 34 views)
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Last edited by Stee; 5th May 2011 at 05:33 AM.
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Old 5th May 2011, 06:33 AM   #10
WuYit is offline WuYit  Sweden
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Stee,
input resistance is a nuisance.
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