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Motorboating audio | Tom's Guide Forum
https://forums.tomsguide.com/threads/motorboating-audio.235462/
Motorboating audio. Thread starter willw; Start date Jun 12, 2011; Sidebar. Forums. Electronics & Wearables. Audio. Previous Next Sort by votes. W. willw Distinguished. Jun 12, 2011 2 0 18,510 0. Jun 12, 2011 #1 i have a fisher model cr155 . 0 soundguruman Distinguished. Mar 3, 2010 ...
What Does Motorboating Sound Like? | RadioReference.com Forums
https://forums.radioreference.com/threads/what-does-motorboating-sound-like.104172/
In reference to scanners and digital audio, it refers to hearing the digital noise that is a voice transmission, before it's been decoded back into voice. I never considered it to be a motorboat type sound until people on RR started calling it that - it was most often referred to as a diesel engine before the motorboating comment came around.
Tube Amp Motorboating - YouTube
https://www.youtube.com/watch?v=ThtE2hAuiIk
Thanks Aart!This video includes a sound clip of motor-boating and discusses how to fix the problem. The problem is generally found in single-ended tube amps ...
"Motorboating" Pre Amp | All About Circuits
https://forum.allaboutcircuits.com/threads/motorboating-pre-amp.80166/
Jan 27, 2013. #5. Variations of current in the power amp causes the supply voltage to jump up and down. The very simple biasing of the preamp amplifies the jumping voltage causing motorboating PUT, PUT, PUT sounds. Filter the biasing of the preamp better, filter the supply voltage better or regulate the supply voltage to the preamp.
Gow to resolve a "motorboating" problem
https://www.radiomuseum.org/forum/gow_to_resolve_a_motorboating_problem.html
If motorboating stays you install the normal connection again and open the grid of the mixer to introduce a modulated RF-signal. If you have now no motorboating then the problem lies in the oscillator coil. ... The audio section is always at full gain. And the screen grids of stage 1 to 3 are directly connected without a common blocking ...
Antique Radio Forums • View topic - Motorboating in audio ...
https://antiqueradios.com/forums/viewtopic.php?t=362362
I've got a Zenith 6-S-152 that's got a motorboating issue within the audio stages. It cuts out when the grid of the 6F5 is detached. The motorboating is only present at a certain spot on the volume pot, Somewhere between 1/3 and 2/3 of the way to full volume.
What causes "Motorboating"? | Telecaster Guitar Forum
https://www.tdpri.com/threads/what-causes-motorboating.210392/
Motorboating is what happens when an electronic audio circuit, designed to operate at frequencies between 30 cycles per second (nowadays 1 cycle per second is referred to as a "Hertz"--named after some guy named Hertz, obviously, who figured out this stuff.
Help with motorboating - The RadioBoard Forums
http://theradioboard.com/rb/viewtopic.php?t=3302
I added a 2N3904 preamp that I found in another direct conversion receiver design. The amp works well and is quiet, but unfortunately when I turn up the volume more than about 25%, I get motorboating in the form of ~900Hz raspy oscillation. The entire audio section circuit is …
Antique Radio Forums • View topic - Motorboating
https://www.antiqueradios.com/forums/viewtopic.php?t=38359
Dennis,<P> Once the motorboating starts, it continues even with the volume turned all the way down. <P> This was the radio that had the repair notes from 1945 to 1984 under the chassis. I replaced the paper caps, but left the 70s/80s vintage Spragues alone. <P>Tom<P>-----<BR>
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