Perfect! ThanksFirestorm wrote:Ceramics are also compact in 1KV or 2KV ratings. This may help minimize leakage which can hurt the oscillator's performance.
Slowing down BF fender tremolo?
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Re: Slowing down BF fender tremolo?
Re: Slowing down BF fender tremolo?
I recently did my amp with 22n, 22n, 15n polyesters (they were small enough to fit fine)
Trem works at all speeds and sounds better than stock, IMO.
Trem works at all speeds and sounds better than stock, IMO.
It's true i've lost my marbles and i cant remember where i put them
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Re: Slowing down BF fender tremolo?
I just wanted to report back on this. I had reduced the LFO speed with 3x .02uF and a red led on the cathode. The tremolo was too fast (I mean super fast like you couldn't hear the effect at all), because of the LED.beasleybodyshop wrote: ↑Wed Oct 22, 2014 3:03 amOh. Well dang. I picked the other one. It sounds great. Swapping in the .02s and installing the cathode LED really sounds great. Thanks everyone!sluckey wrote:The oscillator triode. Cathode is 2.7K/25µF.
I brought back to stock and then had no issues. Anyone else experienced the same?
Re: Slowing down BF fender tremolo?
I have 4 slightly different tremolo circuits with a LED in them. They all work fine. I installed a LED backwards once. It glowed steady at about half brightness and no trem. When I installed it correctly still had no trem. Replacing with a fresh LED fixed the problem. Maybe you had the LED installed backwards?
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Re: Slowing down BF fender tremolo?
Thanks for the reply. Below was mine before I removed it. Is there any marking on the LED to indicate the side. Adding a 22uF (+) cap across the led helped to tame the speed a fair bit, but I ended up with the resistor as a stock Blackfacesluckey wrote: ↑Fri Dec 21, 2018 5:26 pm I have 4 slightly different tremolo circuits with a LED in them. They all work fine. I installed a LED backwards once. It glowed steady at about half brightness and no trem. When I installed it correctly still had no trem. Replacing with a fresh LED fixed the problem. Maybe you had the LED installed backwards?
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Re: Slowing down BF fender tremolo?
Looks like your LED was installed backwards. The flat side of the LED is the cathode and must be connected to ground. Don't use a cap across the LED!Is there any marking on the LED to indicate the side. Adding a 22uF (+) cap across the led helped to tame the speed a fair bit, but I ended up with the resistor as a stock Blackface
That LED is probably destroyed now, so if you want to use a LED, get a new one and observe polarity when you solder it in. When installed correctly you will see the LED flash at the speed of the tremolo. I usually mount the LED in a bezel and install on the front panel just for eye candy.
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Re: Slowing down BF fender tremolo?
Ah that explains it! Complete oversight at my end. Do you have any brand preference for the LED as I will have to get a new one anywaysluckey wrote: ↑Sat Dec 22, 2018 11:50 amLooks like your LED was installed backwards. The flat side of the LED is the cathode and must be connected to ground. Don't use a cap across the LED!Is there any marking on the LED to indicate the side. Adding a 22uF (+) cap across the led helped to tame the speed a fair bit, but I ended up with the resistor as a stock Blackface
That LED is probably destroyed now, so if you want to use a LED, get a new one and observe polarity when you solder it in. When installed correctly you will see the LED flash at the speed of the tremolo. I usually mount the LED in a bezel and install on the front panel just for eye candy.
It is a cool idea to have it at the front panel too
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Re: Slowing down BF fender tremolo?
Bombacaototal wrote: ↑Sat Dec 22, 2018 4:30 pmAh that explains it! Complete oversight at my end. Do you have any brand preference for the LED as I will have to get a new one anywaysluckey wrote: ↑Sat Dec 22, 2018 11:50 amLooks like your LED was installed backwards. The flat side of the LED is the cathode and must be connected to ground. Don't use a cap across the LED!Is there any marking on the LED to indicate the side. Adding a 22uF (+) cap across the led helped to tame the speed a fair bit, but I ended up with the resistor as a stock Blackface
That LED is probably destroyed now, so if you want to use a LED, get a new one and observe polarity when you solder it in. When installed correctly you will see the LED flash at the speed of the tremolo. I usually mount the LED in a bezel and install on the front panel just for eye candy.
It is a cool idea to have it at the front panel too
Just buy a pack of anything. A red one is a red one.
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Re: Slowing down BF fender tremolo?
Haha ok!
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Re: Slowing down BF fender tremolo?
IMO, some types have a great deal of clarity, while others are more diffused.
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Re: Slowing down BF fender tremolo?
Because you are superman.martin manning wrote: ↑Sat Dec 22, 2018 5:59 pmIMO, some types have a great deal of clarity, while others are more diffused.
Signatures have a 255 character limit that I could abuse, but I am not Cecil B. DeMille.
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Re: Slowing down BF fender tremolo?
I added the new RED LED and it works like a charm. I also removed the polirized cap. Thanks everyone for the help
One thing I still need to check a bit better (with more time) is a weird ticking sound. I have the .02uF cap accross the opto (roach) to ground as indicated here to prevent it, but seems not to have been enough: https://robrobinette.com/AB763_Modifications.htm
One thing I still need to check a bit better (with more time) is a weird ticking sound. I have the .02uF cap accross the opto (roach) to ground as indicated here to prevent it, but seems not to have been enough: https://robrobinette.com/AB763_Modifications.htm
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Re: Slowing down BF fender tremolo?
Ok, so back at the ticking issue.
The issue:
Overall the trem works fine. There is no ticking when I am not playing. There is a bit of ticking which replicates the speed pot on some notes only, usually more towards the higher registry than lower.
This is how my circuit is structured:
1) LFO with .02uF as the 3 caps
2) red led at the cathode on the triode of the speed
3) .02uF from the 10M to ground next to the roach
Troubleshooting:
1) I’ve tried replacing the .02uF from the 10M to .05uF and made the ticking worst
2) I’ve tried adding a .02uF across the 100K plate (in parallel) like Dumble did in one of his ultraphonix bandmaster and it made it worst
Not really sure what to do next. Any ideas?
The issue:
Overall the trem works fine. There is no ticking when I am not playing. There is a bit of ticking which replicates the speed pot on some notes only, usually more towards the higher registry than lower.
This is how my circuit is structured:
1) LFO with .02uF as the 3 caps
2) red led at the cathode on the triode of the speed
3) .02uF from the 10M to ground next to the roach
Troubleshooting:
1) I’ve tried replacing the .02uF from the 10M to .05uF and made the ticking worst
2) I’ve tried adding a .02uF across the 100K plate (in parallel) like Dumble did in one of his ultraphonix bandmaster and it made it worst
Not really sure what to do next. Any ideas?