One more time, as others and myself have already posted, something in the circuit parts around V1 is making that white noise / ocean sound you are talking about!
The most likely culprits are a noisy resistor, or since you have swapped tubes, a resistor of two has changed value enough to cause the tube to make a ton more gain and in turn noise!
In triode preamp tubes there is two main types of noise if you care to read up on, these are 1) shot noise and 2) Johnson noise.
Ocean/Wave sound diagnosis
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Stevem
- Posts: 5144
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- Location: 1/3rd the way out one of the arms of the Milkyway.
Re: Ocean/Wave sound diagnosis
When I die, I want to go like my Grandfather did, peacefully in his sleep.
Not screaming like the passengers in his car!
Cutting out a man's tongue does not mean he’s a liar, but it does show that you fear the truth he might speak about you!
Not screaming like the passengers in his car!
Cutting out a man's tongue does not mean he’s a liar, but it does show that you fear the truth he might speak about you!
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gui_tarzan
- Posts: 607
- Joined: Thu Jan 16, 2014 3:10 am
- Location: The 26th State
Re: Ocean/Wave sound diagnosis
You could always just use that amp when playing Beach Boys or Jan & Dean songs.
--Jim
"He's like a new set of strings, he just needs to be stretched a bit."
"He's like a new set of strings, he just needs to be stretched a bit."
Re: Ocean/Wave sound diagnosis
Stevem wrote:One more time, as others and myself have already posted, something in the circuit parts around V1 is making that white noise / ocean sound you are talking about!
The most likely culprits are a noisy resistor, or since you have swapped tubes, a resistor of two has changed value enough to cause the tube to make a ton more gain and in turn noise!
In triode preamp tubes there is two main types of noise if you care to read up on, these are 1) shot noise and 2) Johnson noise.
Oh yeah, jeez I should have done a more than a cursory glance at the older posts
That makes a lot of sense