C chinaski New member Friday at 2:14 PM #1 Hello all! Just built a clandestine preamp and the output when engaged is VERY low. I have it biased at half the voltage I found at R101. Any suggestions are appreciated!
Hello all! Just built a clandestine preamp and the output when engaged is VERY low. I have it biased at half the voltage I found at R101. Any suggestions are appreciated!
C chinaski New member Saturday at 7:54 AM #2 Thank you; I’ll look at that on Monday. Also, I just realized that my photo is really shoddy. I’ll post a better one. Upvote 0 Downvote
Thank you; I’ll look at that on Monday. Also, I just realized that my photo is really shoddy. I’ll post a better one.
C chinaski New member Yesterday at 1:27 PM #3 My voltage readings so far: At r101: 21.72 At the center test point: 12.12 On the ic: Pins 1: 9.27 2: 4.49 3: 0 4: .138 5: .33 6: 4.3 7: 5.8 8: 9.27 I hope this might be enough info for someone to glean what I did wrong Upvote 0 Downvote
My voltage readings so far: At r101: 21.72 At the center test point: 12.12 On the ic: Pins 1: 9.27 2: 4.49 3: 0 4: .138 5: .33 6: 4.3 7: 5.8 8: 9.27 I hope this might be enough info for someone to glean what I did wrong
spi Well-known member Yesterday at 5:22 PM #4 with jfets, the issue could be the transistor--where did you source it? lot of non-legit 2n5457s out there Upvote 0 Downvote
with jfets, the issue could be the transistor--where did you source it? lot of non-legit 2n5457s out there
