Death by Audio - Apocalypse [traced]
...try now 2M2 in place of the new 910k resistor. If the signal increase you can try tu put more bigger value resistor till reach the quite signal level. The only problem is the signal/noise ratio, in this way its coming worse, but you can try for reach the good and simple sond withouth any kind of booster or complicated circit design.
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- Posts: 1
- Joined: 16 Nov 2023, 00:31
This thread is totally dead but I wanted to recreate this but create some new modes for this circuit, so I designed a PCB for it.
Note: I had the original pedal by DBA so I remember how each mode sounds, this was a staple pedal for me for years.
The 2 new modes I added work great. One setting is a bumble buzz style circuit, and the other is the HM2 tone stack section. Both work fine and sound amazing.
X1000 works well too. Sounds exactly like the original and functions similar.
Having trouble with the scooped mode as well. Mine gets very compressed and squashed with the tone knob at certain settings, then at other tone knob positions sounds normal, however it is low gain, and low volume. On the original pedal, this mode was much quieter than the rest, but still had quite a bit of gain. Mine has not nearly as much gain, but I don’t have MPSA06 or 05 around. I used 2n5089 and mpsa18 and both sound the same.
Square wave mode on mine is not how it was on the original, on my PCB it is much lower gain and almost sounds like it has a dry blend to it, and the fuzz is more in the background. I checked the schematic and cannot find any errors that would lead to this. Pin 3 and 5 of the 072 are both going to the 10k voltage divider.
The octave mode is flat out strange. There’s a bit of high end hiss, I tried 1n4148 and BAT85s, the Bats sound a bit better, but this version is a lot higher gain and has much more output than on my original apocalypse. On the original pedal, the octave mode had about the same volume drop as the scooped mode. Also, sounded pretty Octavia like. My version had way more output, and is way more noisy, and has somewhat of an octave up sound but it’s more like a very noisy fuzz. Definitely sounds not very much like the original.
I did not do the normal muff mode, so can’t say anything about it.
Note: I had the original pedal by DBA so I remember how each mode sounds, this was a staple pedal for me for years.
The 2 new modes I added work great. One setting is a bumble buzz style circuit, and the other is the HM2 tone stack section. Both work fine and sound amazing.
X1000 works well too. Sounds exactly like the original and functions similar.
Having trouble with the scooped mode as well. Mine gets very compressed and squashed with the tone knob at certain settings, then at other tone knob positions sounds normal, however it is low gain, and low volume. On the original pedal, this mode was much quieter than the rest, but still had quite a bit of gain. Mine has not nearly as much gain, but I don’t have MPSA06 or 05 around. I used 2n5089 and mpsa18 and both sound the same.
Square wave mode on mine is not how it was on the original, on my PCB it is much lower gain and almost sounds like it has a dry blend to it, and the fuzz is more in the background. I checked the schematic and cannot find any errors that would lead to this. Pin 3 and 5 of the 072 are both going to the 10k voltage divider.
The octave mode is flat out strange. There’s a bit of high end hiss, I tried 1n4148 and BAT85s, the Bats sound a bit better, but this version is a lot higher gain and has much more output than on my original apocalypse. On the original pedal, the octave mode had about the same volume drop as the scooped mode. Also, sounded pretty Octavia like. My version had way more output, and is way more noisy, and has somewhat of an octave up sound but it’s more like a very noisy fuzz. Definitely sounds not very much like the original.
I did not do the normal muff mode, so can’t say anything about it.
Hi Twilightzoneelec, can you provide with the schematic of yours, sounds like there could be something in the interactions between the modifications and the original circuit, bumble buzz/super fuzz scoop is intense, the added tone stack and scoop mode may interact together