diyAudio - 24 steps ladder attenuator 50k stereo

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Gluca

30th November 2010 05:44 PM

24 steps ladder attenuator 50k stereo

Discussion is here tube preamp and ladder attenuator

Rough price estimate is 70$ each but we need to be 30 or more buyers.

Myself: 6
Sinuko: 2

Gluca

30th November 2010 06:33 PM

GLUCA: 6
SINUKO: 2
UNIXMAN: 1

sinuko

30th November 2010 06:45 PM

One more for me.
GLUCA: 6
SINUKO: 3
UNIXMAN: 1

Ciao Paolo

Gluca

30th November 2010 06:46 PM

GLUCA: 6
SINUKO: 3
UNIXMAN: 1
ECHO: 1

Gluca

1st December 2010 02:07 AM

GLUCA: 6
SINUKO: 3
UNIXMAN: 1
ECHO: 1
SYNTESY: 2

Gluca

5th December 2010 03:26 AM

GLUCA: 6
SINUKO: 3
UNIXMAN: 1
ECHO: 1
SYNTESY: 2
TFAN69: 1

Gluca

5th December 2010 03:30 AM

1 Attachment(s)

Work in progress ... umpf ... 96 resistors (well actually 93 as I am missing 3 Rs) soldered.

Find the XLS file I made to calculate the ladders. Don't mess with the cells, you can modify only the dark green cells: ladder impedance and dB steps.

http://img713.imageshack.us/img713/830/12042010105.jpg
http://img443.imageshack.us/img443/4474/12042010106.jpg

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