Your choice. If you're using electrolytics, try the inexpensive Elna Silk types.
Nelson Pass The one and only Joined 2001 Paid Member 2008-05-30 11:42 pm #21 2008-05-30 11:42 pm #21 Your choice. If you're using electrolytics, try the inexpensive Elna Silk types. ••• More options Share carpenter Member Joined 2002 inlowsound.com 2008-05-31 5:42 am #22 2008-05-31 5:42 am #22 Learning to use sims has been fun. I wish I'd done this sooner--it has taught me a great deal about these little amps I love. Thanks for challenging me to do this, Nelson! ••• More options Share carpenter Member Joined 2002 inlowsound.com 2008-05-31 6:19 am #23 2008-05-31 6:19 am #23 Nelson Pass said: R9 and R10 make it into something different yet, I think. Click to expand... R9 and R10 have a tremendous impact on the circuit's gain. Without them, gain drops down to unity as my circuit is drawn. ••• More options Share carpenter Member Joined 2002 inlowsound.com 2008-05-31 6:52 am #24 2008-05-31 6:52 am #24 I attempted to measure the noise of this circuit's output. I turned the input pot down to zero. If I did this correctly, the circuit's dBV appears to be very quiet! Attachments comp jfet preamp noise.png 31.1 KB · Views: 553 ••• More options Share Prev 1 2 First Prev 2 of 2 Go to page Go Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link
carpenter Member Joined 2002 inlowsound.com 2008-05-31 5:42 am #22 2008-05-31 5:42 am #22 Learning to use sims has been fun. I wish I'd done this sooner--it has taught me a great deal about these little amps I love. Thanks for challenging me to do this, Nelson! ••• More options Share carpenter Member Joined 2002 inlowsound.com 2008-05-31 6:19 am #23 2008-05-31 6:19 am #23 Nelson Pass said: R9 and R10 make it into something different yet, I think. Click to expand... R9 and R10 have a tremendous impact on the circuit's gain. Without them, gain drops down to unity as my circuit is drawn. ••• More options Share carpenter Member Joined 2002 inlowsound.com 2008-05-31 6:52 am #24 2008-05-31 6:52 am #24 I attempted to measure the noise of this circuit's output. I turned the input pot down to zero. If I did this correctly, the circuit's dBV appears to be very quiet! Attachments comp jfet preamp noise.png 31.1 KB · Views: 553 ••• More options Share Prev 1 2 First Prev 2 of 2 Go to page Go Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link
Learning to use sims has been fun. I wish I'd done this sooner--it has taught me a great deal about these little amps I love. Thanks for challenging me to do this, Nelson!
carpenter Member Joined 2002 inlowsound.com 2008-05-31 6:19 am #23 2008-05-31 6:19 am #23 Nelson Pass said: R9 and R10 make it into something different yet, I think. Click to expand... R9 and R10 have a tremendous impact on the circuit's gain. Without them, gain drops down to unity as my circuit is drawn. ••• More options Share carpenter Member Joined 2002 inlowsound.com 2008-05-31 6:52 am #24 2008-05-31 6:52 am #24 I attempted to measure the noise of this circuit's output. I turned the input pot down to zero. If I did this correctly, the circuit's dBV appears to be very quiet! Attachments comp jfet preamp noise.png 31.1 KB · Views: 553 ••• More options Share Prev 1 2 First Prev 2 of 2 Go to page Go Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.
Nelson Pass said: R9 and R10 make it into something different yet, I think. Click to expand... R9 and R10 have a tremendous impact on the circuit's gain. Without them, gain drops down to unity as my circuit is drawn.
carpenter Member Joined 2002 inlowsound.com 2008-05-31 6:52 am #24 2008-05-31 6:52 am #24 I attempted to measure the noise of this circuit's output. I turned the input pot down to zero. If I did this correctly, the circuit's dBV appears to be very quiet! Attachments comp jfet preamp noise.png 31.1 KB · Views: 553 ••• More options Share
I attempted to measure the noise of this circuit's output. I turned the input pot down to zero. If I did this correctly, the circuit's dBV appears to be very quiet!
