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Post subject: Tremelo Question
Posted: Fri Feb 10, 2017 8:04 pm
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Tremolo, Vibrato,, add Reverb too.
I’m assuming Tremolo and Vibrato are the same thing.

Which of the Fender BF 65 RI amps has the best sounding tremolo, or do they all sound the same?
Some amps tick and some don’t. Any difference in intensity.
Do all the reverbs sound the same in each amp?


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Post subject: Re: Tremelo Question
Posted: Fri Feb 10, 2017 8:13 pm
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jackhammer wrote:
I’m assuming Tremolo and Vibrato are the same thing.

No, it's not.

Tremolo: The tone goes up and down in volume.
Vibrato: The tone goes up and down in pitch.

But don't feel bad, because Leo Fender had no clue either, and mislabelled the vibrato bar on the Stratocaster as a "tremolo", and on some amps (until a guy had the guts to correct him), called tremolo a "vibrato". Despite the two being as different as night and day. But then again, Leo Fender was a businessman who couldn't even play guitar, with far too many yes-men working for him.


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Post subject: Re: Tremelo Question
Posted: Fri Feb 10, 2017 8:25 pm
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Hey thanks arth1 clearing up the definitions.

Fender might call the second channel the Vibrato channel,
and Ch. 2 has the tremolo effect. Fender kind of mixes it up too.


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Post subject: Re: Tremelo Question
Posted: Fri Feb 10, 2017 9:18 pm
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arth1 wrote:
jackhammer wrote:
I’m assuming Tremolo and Vibrato are the same thing.

No, it's not.

Tremolo: The tone goes up and down in volume.
Vibrato: The tone goes up and down in pitch.

But don't feel bad, because Leo Fender had no clue either, and mislabelled the vibrato bar on the Stratocaster as a "tremolo", and on some amps (until a guy had the guts to correct him), called tremolo a "vibrato". Despite the two being as different as night and day. But then again, Leo Fender was a businessman who couldn't even play guitar, with far too many yes-men working for him.


+1

However, most of those "yes-men" were vital to the fledgling Fender Electric Instrument Company" and the products it ultimately created.

Arjay

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"Here's why reliability is job one: A great sounding amp that breaks down goes from being a favorite piece of gear to a useless piece of crap in less time than it takes to read this sentence." -- BRUCE ZINKY


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Post subject: Re: Tremelo Question
Posted: Sat Feb 11, 2017 9:31 am
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Magnetone amps have true vibtato.
While a Fender uses an optocoupler or bias oscillator to vary volume, the Magnetone uses Variable capacitors to squeeze the pitch.
The varicaps are diodes with variable capacitance. By pumping the DC up and down, the capacitance changes and varies the pitch. They are also used in VCOs.


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Post subject: Re: Tremelo Question
Posted: Tue Feb 14, 2017 8:08 am
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Retroverbial wrote:
arth1 wrote:
jackhammer wrote:
I’m assuming Tremolo and Vibrato are the same thing.

No, it's not.

Tremolo: The tone goes up and down in volume.
Vibrato: The tone goes up and down in pitch.

But don't feel bad, because Leo Fender had no clue either, and mislabelled the vibrato bar on the Stratocaster as a "tremolo", and on some amps (until a guy had the guts to correct him), called tremolo a "vibrato". Despite the two being as different as night and day. But then again, Leo Fender was a businessman who couldn't even play guitar, with far too many yes-men working for him.


+1

However, most of those "yes-men" were vital to the fledgling Fender Electric Instrument Company" and the products it ultimately created.


No arguments there. Leo Fender was the right man at the right time, and while he didn't know much about music except that it was popular and a good market, he knew a lot about amplification, the hard way, and how to make viable products without going bankrupt.


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Post subject: Re: Tremelo Question
Posted: Wed Feb 15, 2017 3:33 am
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arth1 wrote:
Retroverbial wrote:
arth1 wrote:
jackhammer wrote:
I’m assuming Tremolo and Vibrato are the same thing.

No, it's not.

Tremolo: The tone goes up and down in volume.
Vibrato: The tone goes up and down in pitch.

But don't feel bad, because Leo Fender had no clue either, and mislabelled the vibrato bar on the Stratocaster as a "tremolo", and on some amps (until a guy had the guts to correct him), called tremolo a "vibrato". Despite the two being as different as night and day. But then again, Leo Fender was a businessman who couldn't even play guitar, with far too many yes-men working for him.


+1

However, most of those "yes-men" were vital to the fledgling Fender Electric Instrument Company" and the products it ultimately created.


No arguments there. Leo Fender was the right man at the right time, and while he didn't know much about music except that it was popular and a good market, he knew a lot about amplification, the hard way, and how to make viable products without going bankrupt.


All hail Leo Fender,

HAIL!


8)

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Post subject: Re: Tremelo Question
Posted: Wed Feb 15, 2017 7:07 am
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Meanwhile, back at the ranch......

The blackface re-issue tremolo circuits are all identical EXCEPT for the Princeton Reverb. In that instance, the bias-supply voltage to the power tubes is modulated via an adjustable RC oscillator which varies the output volume accordingly.

Arjay

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"Here's why reliability is job one: A great sounding amp that breaks down goes from being a favorite piece of gear to a useless piece of crap in less time than it takes to read this sentence." -- BRUCE ZINKY


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Post subject: Re: Tremelo Question
Posted: Wed Feb 15, 2017 9:48 am
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Arjay, I think the Vibro-Champ has a similar circuit to the PR. Makes for that unique tone, unlike amps that use the opto-bug.


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Post subject: Re: Tremelo Question
Posted: Wed Feb 15, 2017 9:54 am
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Yes, the bias-wiggle trem is also found in the Vibro Champ and Bronco as well as the 6G16 Vibroverb.

Arjay

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"Here's why reliability is job one: A great sounding amp that breaks down goes from being a favorite piece of gear to a useless piece of crap in less time than it takes to read this sentence." -- BRUCE ZINKY


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