Catalinbread - SFT REV 2
- Visualdistortion
- Breadboard Brother
Someone share me the SFT REV 2 for the week, so I take pictures and get values of capacitors and pots, maybe it can help for helping debugging the previous tracing.
This is pictures: https://www.dropbox.com/sc/p76h70dy0ch3 ... G8ttR24Bxa
I can give you more information but you need to be really fast, because I will give back the pedal tomorrow.
Catalinbread SFT REV 2
Pots:
Treble & Bass : A1M
Vol: A250K
Gain: A1M
1N4001 protection diode
Q1-Q6: MPF 4393
CAPACITORS:
C1: 104K
C2: /
C3: 4n7
C4: 1uF
C5: 683K
C6: 151 1KV blue
C7: /
C8: 1uF
C9: 104K
C10: 102K
C11: 4n7K400
C12: 681K
C13: 472K
C14: .47 1KV blue
C15: 1uF Pol
C17: 2,2uF Pol
C18: 472K
C19: 472K
470uF
This is pictures: https://www.dropbox.com/sc/p76h70dy0ch3 ... G8ttR24Bxa
I can give you more information but you need to be really fast, because I will give back the pedal tomorrow.
Catalinbread SFT REV 2
Pots:
Treble & Bass : A1M
Vol: A250K
Gain: A1M
1N4001 protection diode
Q1-Q6: MPF 4393
CAPACITORS:
C1: 104K
C2: /
C3: 4n7
C4: 1uF
C5: 683K
C6: 151 1KV blue
C7: /
C8: 1uF
C9: 104K
C10: 102K
C11: 4n7K400
C12: 681K
C13: 472K
C14: .47 1KV blue
C15: 1uF Pol
C17: 2,2uF Pol
C18: 472K
C19: 472K
470uF
I wanna make it
I wanna make it wit chu
(again and again and again)
French... sorry
I wanna make it wit chu
(again and again and again)
French... sorry
- Blend
- Breadboard Brother
Here is a schematic based on "Visualdistortion" pictures, concrete differences compared to the first version of the SFT removing 2 of the 8 original 2N5457, replaced with mpf 4393 and used here with variant mu-amp SRPP, adding gain boost, reshaped tone etc. Has anyone had a chance to compare the sound of both versions? I version is reliable with bass (top 18/24v), whose guitar. For those shown in the schematic (?) It was impossible to verify the value (R) and the connection (Q6 source resistance).
- Visualdistortion
- Breadboard Brother
I compared a clone of version I I did few years ago (apparently the tracing of the first version have some errors) with this one, I can really say that the version II it's really really better, awesome ampeg tone on a clean bass amp.
I can try to get again the pedal, and verify what you want with pictures, please tell me asap what you need to confirm.
I tried to label the resistors; but they are really close to the pcb.
I can try to get again the pedal, and verify what you want with pictures, please tell me asap what you need to confirm.
I tried to label the resistors; but they are really close to the pcb.
I wanna make it
I wanna make it wit chu
(again and again and again)
French... sorry
I wanna make it wit chu
(again and again and again)
French... sorry
I have the V1 and had the opportunity to test V2.
The V2 is really awesome, much easier to use thanks to the switch and has a wider tonal range (like 2 amps in one pedal). Like the V1, SFT V2 works like a charm with my bass.
The V2 is really awesome, much easier to use thanks to the switch and has a wider tonal range (like 2 amps in one pedal). Like the V1, SFT V2 works like a charm with my bass.
- Blend
- Breadboard Brother
- Visualdistortion
- Breadboard Brother
On Q6, C14 go on the center pin S
On Q1, the 2 1M resistors are NOT connected to the D pin
R10 go directly to G pin of Q4. C5 is not connected to G PIN
I've added tons of pictures, tell me if you need something more. It's actually sunday 10am here, I can take the pedal with to monday 5PM.
https://www.dropbox.com/sc/p76h70dy0ch3 ... G8ttR24Bxa
On Q1, the 2 1M resistors are NOT connected to the D pin
R10 go directly to G pin of Q4. C5 is not connected to G PIN
I've added tons of pictures, tell me if you need something more. It's actually sunday 10am here, I can take the pedal with to monday 5PM.
https://www.dropbox.com/sc/p76h70dy0ch3 ... G8ttR24Bxa
I wanna make it
I wanna make it wit chu
(again and again and again)
French... sorry
I wanna make it wit chu
(again and again and again)
French... sorry
- Visualdistortion
- Breadboard Brother
https://www.dropbox.com/s/tkz6y23cny55o ... 1.jpg?dl=0
On left of Q6: Brown black Red Gold so 1K
I don't have nothing to measure the blue cap it's writted
'47
1KV
and the " ' " it's clearly in front of number 47
ALSO:
- The + leg of C4 go on the the left point of C3.
- On Q1, the 2 1M resistors are NOT connected to the D pin
- R10 go directly to G pin of Q4. C5 is not connected to G PIN
On left of Q6: Brown black Red Gold so 1K
I don't have nothing to measure the blue cap it's writted
'47
1KV
and the " ' " it's clearly in front of number 47
ALSO:
- The + leg of C4 go on the the left point of C3.
- On Q1, the 2 1M resistors are NOT connected to the D pin
- R10 go directly to G pin of Q4. C5 is not connected to G PIN
I wanna make it
I wanna make it wit chu
(again and again and again)
French... sorry
I wanna make it wit chu
(again and again and again)
French... sorry
- Blend
- Breadboard Brother
It finally, thanks to Visualdistortion for the many pictures taken, C14 is 47pF and downhill from source Q6 the resistance value is 1K. In conjunction with the drafting of the schematic, I have tried to adopt some improvements on my clone of the first version of the SFT and it really worth for those who kept him in a drawer or as a doorstop or if you do not want to deal with the new building of the SFT II.
- Visualdistortion
- Breadboard Brother
Awesome! hope someone will do a pcb or a vero soon =D
I wanna make it
I wanna make it wit chu
(again and again and again)
French... sorry
I wanna make it wit chu
(again and again and again)
French... sorry
- Blend
- Breadboard Brother
- Blend
- Breadboard Brother
- Visualdistortion
- Breadboard Brother
I made the vero from Tagboard and it seems to get the same problem than the others people who made it:
- The pedal is really low/dark tuned compared to the original, I think there is a problem on the bass pot, like you can't shut up the bass frequenciens (on the original, on bass at 0, you only get treble)
- There is a switching mode problem, on "stoner mode" in the clone, I get the same the same amount of gain than the "stones mode" on the original, and on the stones, I've clearly less gain.
- The pedal is really low/dark tuned compared to the original, I think there is a problem on the bass pot, like you can't shut up the bass frequenciens (on the original, on bass at 0, you only get treble)
- There is a switching mode problem, on "stoner mode" in the clone, I get the same the same amount of gain than the "stones mode" on the original, and on the stones, I've clearly less gain.
I wanna make it
I wanna make it wit chu
(again and again and again)
French... sorry
I wanna make it wit chu
(again and again and again)
French... sorry
- Visualdistortion
- Breadboard Brother
Finally on the tagboard there was a problem on the pinout of the swtich, I rewired it, and now the pedal seems pretty close to the original, like 90%.
Just a bit less volume and bit more bassy, when the original get a lot of high medium, the clone are more on low medium.
Just a bit less volume and bit more bassy, when the original get a lot of high medium, the clone are more on low medium.
I wanna make it
I wanna make it wit chu
(again and again and again)
French... sorry
I wanna make it wit chu
(again and again and again)
French... sorry
- Visualdistortion
- Breadboard Brother
The same than the original
I wanna make it
I wanna make it wit chu
(again and again and again)
French... sorry
I wanna make it wit chu
(again and again and again)
French... sorry
- Blend
- Breadboard Brother
- Visualdistortion
- Breadboard Brother
I will try this tomorrow. Thanks.
I wanna make it
I wanna make it wit chu
(again and again and again)
French... sorry
I wanna make it wit chu
(again and again and again)
French... sorry