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Simplistic NJFET RIAA
Simplistic NJFET RIAA
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Old 6th May 2011, 12:25 PM   #6191
Salas is offline Salas  Greece
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Simplistic NJFET RIAA
Quote:
Originally Posted by smpkje View Post
my new version for Salas pre-pre + MM RIAA (63db)
Based on the PDF for pre-pre+HMC=63dB?
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Old 6th May 2011, 12:29 PM   #6192
smpkje is offline smpkje  Greece
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Yes pre-pre + HMC
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Old 6th May 2011, 12:36 PM   #6193
Salas is offline Salas  Greece
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Simplistic NJFET RIAA
Use both C3 per channel 47nF Teflon if you can Ι would suggest.
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Old 8th May 2011, 06:44 PM   #6194
smpkje is offline smpkje  Greece
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This is the left channel of the new Salas 63db, according the pdf of post #6190.
On oscilloscope shows beautiful.
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Old 8th May 2011, 06:49 PM   #6195
schultzsch is offline schultzsch  Europe
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looks nice
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Old 8th May 2011, 07:01 PM   #6196
Salas is offline Salas  Greece
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Simplistic NJFET RIAA
Quote:
Originally Posted by smpkje View Post
This is the left channel of the new Salas 63db, according the pdf of post #6190.
On oscilloscope shows beautiful.
You put DIP switch loading I see. Clean assembly. Still big interstage caps...
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Old 8th May 2011, 07:23 PM   #6197
smpkje is offline smpkje  Greece
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The dip switch is for connecting mm cartridge or pre pre output. You can see on pdf.
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Old 8th May 2011, 07:25 PM   #6198
Salas is offline Salas  Greece
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Simplistic NJFET RIAA
Ah, for that. I saw 4 positions and I thought its for loading. *HMC, not real MM. Would need 100 Ohm Rs and would go 56dB total. Then it would be MC/MM. As I gave it in PDF is LMC/HMC.
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Old 8th May 2011, 07:35 PM   #6199
Salas is offline Salas  Greece
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P.S. Does it give you enough output on scope 1kHz over the previous?
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Old 8th May 2011, 07:58 PM   #6200
smpkje is offline smpkje  Greece
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Yes as I can see. I’ll measure it tomorrow
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