Attention au "pavé" qui va suivre :
Pour mémoire, j'ai commandé un kit klon
http://www.guitarpcb.com/PDF%2(...)3.pdf
Il y a plusieurs mod possibles, et vous gentils forumeurs avaient proposé de me venir en aide
Le kit est arrivé donc nous y voici
Alors plusieurs mod sont possible :
1- Le Bass Boost
2- Possibilité d'avoir plusieurs gain1,2 trimer
3- Ultra drive mod
4- led bi-colore
Alors pour commencer le mod qui m'intéressé le plus, le ultra drive, n'est pas prévu dans la kit
, mais on y reviendra.
Voici mes intérrogations ou demandes de comfirmations :
1 - Le bass boost
"If you do not wish to include the Bass Boost switch (SW1) do not install C5 and put a jumper
between pads 2 & 3 of SW1."
Si je ne l'installe pas, je ne cable pas SW1, je n'installe pas le C5 et je place un jumper entre 2 et 3 sur le PCB Sw1.
C'est ça?
2- Les Gains :
"The original circuit calls for a 100 kΩ Lin stereo pot for the GAIN and GAIN-2 pot. As a stereo pot takes up
space (especially if you want to use a small sized enclosure) we have decided to include a few options here.
If you wish to use a stereo pot, do not install the trim pot (TR1) use the GAIN pads on the board for one of the
stereo pots and the GAIN-2 pads for the other stereo pot.
You could use two 100 kΩ Lin mono pots, one for GAIN 1 and the other for GAIN-2, in this case do not instal
the trim pot TR1.
As neither of the above options are satisfactory in terms of enclosure space, we have included the option of changing the
GAIN-2 pot to a trim pot (TR1). Gain 2 control (P1B) with the trimmer option is extremely subtle and that is
why we made it available as a trimmer in our version. The only purpose of it is to mix in more or less clean
signal and nothing else. Again very subtle.
It is similar to a Blend Control but only adds or subtracts clean signal only!
This is the way the circuit is originally designed and supposed to function. Most of the gain or better distortion
comes from P1A.
If using a Dual Gang potentiometer you would not even notice this at all. It is just the way it was designed to
Blend a very small bit of clean signal to your dirty signal to give it the signature Klonstyle Boost sound."
Le kit est livré avec un potard double gang, je ne souhaite pas de 2ème potard de gain et utiliser le trimer, donc partir sur une version classic.
Donc, je ne dois pas installer le trimmer et cabler le potard double sur P1A et P1B.
Est-ce qu'il y a une influence selon si je cable P1A ou P1B sur les pattes du haut ou du bas du potard double?
3- Ultra mod drive
Le mod qui m'intéressait le plus, n'est pas prévu dans le kit
"Ultra Drive Mod – This Mod is not Standard for Kits!"
As most people know the original circuit is most well known as a Clean to Mild Gain Boost to give an already driven amp
that something extra! This mod will add an additional switch to your pedal to simulate that and give you that extra boost of
Drive. One of my DPDT Wiring Boards is handy.
You can use it with just a DPDT On/On Toggle switch and choose between stock (R15 – 47k) and Ultra Drive Mode
ranging anywhere between 4.7k to10k. I like 8.2k in mine. Socket and see!
If you use my DPDT wiring board you can easily socket the Mod side and choose the correct value you like best for your
personal rig and taste.
Or if you simply like the "Ultra Drive Mod" demo but do not wish to add a switch or have the Stock option then simply
replace the 47k with anything from 4.7k to 10k and it is done.
Il faut utiliser leur pcb pour ce mod, il n'y a pas moyen de faire autrement?
Or if you simply like the "Ultra Drive Mod" demo but do not wish to add a switch or have the Stock option then simply
replace the 47k with anything from 4.7k to 10k and it is done.
Je peux donc avoir plus de gain en remplaçant R15-47k par une valeur comprise entre 4.7 et 10k.
Si je remplace R15, ça veut dire que je vais toujours être en "ultra drive" ou que la course du potard va couvrir un gain plus large?
4- pour la led bicolore:
Le kit est fourni avec un pcb pour le 3PDT, si j'ai bien compris je n'installe pas R25 car R25=CLR
du PCB 3PDT, c'est bien ça?
Voila c'est tout pour le moment.