Grebz - Cabs and IRs

CABINET SIMULATORS AND IMPULSES

In order to complete an amp head simulator, you need to add a cabinet simulator, in which you load an impulse. Impulses are sound prints that reproduce the acoustic characteristics of a cabinet or a place.

Some of the free simulators presented in this site are complete with a head and a cab, but most of them only simulate a head. So here is what you need on top of them.

Impulse loaders

Several plugins to simulate a guitar or bass cab.

Without them and without impulses, your head amp simulators will produce a buzzing sound that is not pleasant nor realistic!

Impulses

An impulse loader without impulses is like a car without gasoline.

So here is a selection of free impulses to download, as well as some information about high-quality retail impulses that you may want to check out.

Create your own impulses

As you will see, creating impulses is not a difficult task.

It may be a time-consuming process, the first achievements may not be entirely satisfying, but anybody can do it!

CABINET SIMULATORS AND IMPULSE RESPONSES

In order to complete an amp head simulator, you need to add a cabinet simulator, in which you load an Impulse Response (IR). IRs are sound prints that reproduce the acoustic characteristics of a cabinet or a place.

Some of the free simulators presented in this site are complete with a head and a cab, but most of them only simulate a head. So here is what you need on top of them.

IR loaders

Several plugins to simulate a guitar or bass cab.

Without them and without IRs, your head amp simulators will produce a buzzing sound that is not pleasant nor realistic!

Create your own IRs

As you will see, creating IRs is not a difficult task.

It may be a time-consuming process, the first achievements may not be entirely satisfying, but anybody can do it!

Impulse Responses

An IR loader without IRs is like a car without gasoline.

So here is a selection of free IRs to download, as well as some information about high-quality retail IRs that you may want to check out.

MESSAGES

FromMe
le 13/10/2025 à 12h14

Hello.

So how can I contact LePou?
The latest X64 version of Legion has a bug where the Drive amount jumps when changing from green/red channels. The knob doesn't jump, but you can hear the drive amount jump when tweaking a little bit, so who knows what the default or chosen sound is being used whenever?
Also similar problems with the Engl as well. The old V 1.01 x86 32 bit version of Legion works perfectly however. (but the newer 64 bit version does sound a bit better, sadly).

Has you or anyone else noticed this?
I want to contact him for a way to fix these plugin bugs.

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Hello,
To my knowledge, Lepou has not been active for years in the simulation community. I think he has completely given up by lack of time and motivation. So I doubt he'll be willing to fix any bugs, and I have no idea how to contact him.

Grebz

musicien-bidouilleur
le 07/09/2025 à 17h58

Juste pour t'encourager et te féliciter pour ton travail. Bonne source d'informations.
J'ai écouté en partie ta musique : il y a un monde entre 2008 et 2020, non pas concernant les titres que j'aime bien mais concernant leur réalisation. 2020 >>> 2008 à mon humble avis.
Le travail et la persévérance paient !
Bravo.

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Merci beaucoup, ça me fait très plaisir !
Grebz

ace0fspades
le 25/08/2025 à 05h50

Thanks for the free impulses! Great stuff!

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Thanks for visiting!
Grebz

Jimmy
le 09/12/2021 à 15h16

Hello,
I would like to config my Schuffham S-Gear 2 but I don't know how to do.
I have Logic Pro X.6.2 with S-Gear plugin
I found your website and I ask myself what does it means in the folder Schuffham S-Gear 2.
I don't understand what you have writing like in this exemple : Guitar on the left:
1 impulse of baffle Marshall 1960A (loudspeaker: G12M) through a microphone Neumann U67 in Cap Edge position, at a distance of 2 inches (5 cm). Stereo panning: 100% left.
1 impulse of baffle Marshall 1960A (loudspeaker: G12M) through a microphone Neumann U87 in Cap Edge position, at a distance of 4 inches (10 cm). Stereo panning: 100% left.
How can I find the same sound as you ? How can I do to config my own S-Gear with these parameters ? What does it means ?
Sorry for my English ;) I’m French !
You can answer me directly on my email address.
Thanks in advance.
Jimmy

Labrava
le 29/10/2021 à 13h49

Hi Grebz,
I don't know if you read these... but I was wondering if your Lepou plugins are x32 or x64? Thanks for all the great stuff on here!

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Hello, thanks for visiting my website. They're x64.
Grebz