Fortin 33, Hiss / noise problem (16kHz~)

[Cursed By Zen]

Hello, I just bought used Fortin 33, it works as expected, but with some bright high gain amps it adds weird high pitched noise, its quite noticable with knob above 2 o'clock. When I play palm muted stuff I can hear some annoying hiss, however if plug parametric eq after Fortin 33, but before the AMP and roll 16 kHz all the way down the hiss disappears.

Is this thing supposed to boost such high frequencies, or it's just something wrong with my pedal?

 

[scottosan]

You could call Fortin Customer support or their helpful Facebook groups errrr.. nevermind.

It basically a copy of the TC preamp with the bass hard wired all of the way off and the treble maxed so it’s going to add some amount of noise. What amp are you going into?

 

[cardinal]

Not sure if this is the same thing as the OP's issue, but I loved the base tone of the 33 (really did) but damn it also amplified high pitched string noise, which made it difficult for me to use (maybe I'm a sloppy player...).

 

[DeathbyButterslax]

The first one I had was super hissy, and the 2nd one I bought was silent so maybe it’s the pedal itself.

Also, what amp are you using it into? I found that some amps its just way too much and felt like it squashed the front end.

In the end it’s just not a super flexible pedal and doesn’t really work for much outside of low tunings with a dark or darkly set amp

 

[DanTravis62]

Some are hissy and some aren't.

Apparently it's a common issue with them. Just don't try to contact their "customer service" lol.

But it isn't really made for use in standard tuning and bright amps? It's for down tuned rectum frier stuff.

 

[Cursed By Zen]

I have a lot of guitars - normal scale, baritones, 8/7 strings, tuned mostly to drop A/B and lower, I am not going to use it in E standard

Currently I did a lot of experimenting and seems like it works completely different with every amp :|

With JCM 800 its SUPER silent and works fine, but my tone feels like having graphic EQ in the loop with 16kHz boosted a lot, kinda Hi-Fi, not sure if I like it ;p

For 6505 it's too much and tone is too skinny.

My good old dual rec seems to like this pedal, no hiss, no annoying high frequencies, I just had to play with knobs.

Also I have tested it with my practice amp Katana Artist MkII - brown channel with variation mode on "aka bright switch" sounds mushy, noisy, like amp can't handle it, but when I switch variation off it sounds fantastic.

I feel like it's not only about how loose/tight is your amp, but how it handles boosts with a lot of treble.

TBH if I knew how, I would mod this pedal and add LPF at 6-8kHz

Does this pedal really boost very high frequencies (8kHz+) that hard?

 

[mnemonic]

They have undergone several revisions, I have seen some rta plots that have a low pass at about 10khz, and some without.

It’s a good idea as it’s high enough not to affect the guitar signal while low enough to cut out the hiss. Without that low pass you’re getting like +20db of everything over 1k, including any noise that’s getting picked up along the way.

Here’s a picture of the rta plot of a 33 and a grind, and of the plug-in version of the 33.

A bright amp with a large bright cap will make it even noisier.

 

[DanTravis62]

They have undergone several revisions, I have seen some rta plots that have a low pass at about 10khz, and some without.

It’s a good idea as it’s high enough not to affect the guitar signal while low enough to cut out the hiss. Without that low pass you’re getting like +20db of everything over 1k, including any noise that’s getting picked up along the way.

Here’s a picture of the rta plot of a 33 and a grind, and of the plug-in version of the 33.

A bright amp with a large bright cap will make it even noisier.

Nice, good info. That certainly explains why some of them are hissy and some of them aren't.

 

[Cursed By Zen]

They have undergone several revisions, I have seen some rta plots that have a low pass at about 10khz, and some without.

It’s a good idea as it’s high enough not to affect the guitar signal while low enough to cut out the hiss. Without that low pass you’re getting like +20db of everything over 1k, including any noise that’s getting picked up along the way.

Here’s a picture of the rta plot of a 33 and a grind, and of the plug-in version of the 33.

A bright amp with a large bright cap will make it even noisier.

I would kill for a simple guide "How to add Low Pass Filter for Fortin 33". I guess it's all about adding single cap in the right spot?

 

[psychodave]

Cant help you with the 33, but the Pepers’ pedals Dirty Tree is a great copy and super quiet. It might be what your looking for.

 

[Smash]

I would kill for a simple guide "How to add Low Pass Filter for Fortin 33". I guess it's all about adding single cap in the right spot?

Cant help you with the 33, but the Pepers’ pedals Dirty Tree is a great copy and super quiet. It might be what your looking for.

wire a tone knob in series,, j/k. But love your avatar.

 

[BesaMoogie]

Cant help you with the 33, but the Pepers’ pedals Dirty Tree is a great copy and super quiet. It might be what your looking for.

Yes, sell it and go for the dirty tree.

 

[ZEN Amps]

I can't help with your question but we vehemently deny the placing of any curses you may have suffered. Our lawyers will be in touch if you continue to slander our organisation.