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#2 Sound-shaping session with the Dazatronyx Big Fuzz Console - 1973 V2 Violet Ram's Head Big Muff Edition

Big Muff Style FuzzDazatronyxFuzzSilicon Fuzz+-
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2026-GPX-Dazatronyx-BFC-V2-Violet-Rams-Head-Muff-700.jpg

My 2nd sound exploration of the superb Dazatronyx Big Fuzz Console Ultimate Multi-Muff

 

So the actual 1973 V2 Violet Ram’s Head Muff most commonly used FS36999 transistors - which were kind of replacements for the 2N5133’s of the V1 Triangle - those supplies eventually ran out, while there were still several Ram’s heads that used up the remaining 2N5133’s.

 

When EHX reissued the Violet Ram’s Head in 2019 as a Nano edition they used BC547C’s. So for this Violet Ram’s Head sound-shaping session I tried the 2N5133’s, then the BC547C, and finally the BC547B’s - which are the ones I liked best, and therefore feature in my Violet Ram’s Head Preferences as below.

 

As per the previous example I include the reference values [in parentheses] - those were aggregated from a variety of resources including Kit Rae’s Big Muff Pi page, and with a little help from Google AI too!

 

The Violet Ram’s Head core output has a wonderful zing to it - and I feel my preferred settings sound pretty spot on - albeit they are tuned to my own preference - they are notably different settings to my V1 Triangle ones!

 

Next up is the Green Russian Sovtek V7 variant from 1994 - this used mostly KT3102EM / KT3102E Soviet transistors. Where the reissues had mostly BC547C’s - where the 2N5088 and 2N5089 are also great alterntives to those. I will be checking out both BC547 variants and the 2N5088 and 2N5089 before I make my final selection for the Green Russian.

 

And then after that I will be trying for the the EQD Hoof / Loe Sounds She Fuzz - and using my 2N1308 Germanium Transistors in Sockets Q2 and Q3. Thorpy tells me he did a one-off all-germanium take of his Fallout Cloud Fuzz - so I will try that too for a second variation of the Hybrid take!

 

My preferred settings below - and the referenced values [in parentheses] ! :


V2 Violet Ram's Head Big Muff Settings Profile - to my preferences!

2026-GPX-Dazatronyx-BFC-V2-Violet-Rams-Head-Muff-700.jpg

STAGE 1 / Q4 [ref value in parenthesis]

  • Trans : BC547B
  • Col 1 R13 : 15K [10K]
  • Em 1 R22 : 100Ω [100Ω]
  • HPF 1 C1 : 1μ [0.1 / 1μ]
  • Mil 1 C10 : 470p [0.1 / 1μ]
  • Bias 1 R9 : 390K [470K or 220K]
  • Imp 1 R2 : 27K [10K or 39K]

SUSTAIN | BRIGHT | BUFFER IN

  • Sustain @ Max
  • Bright sweep (mod) : 470p
  • Buffer In : On

STAGE 2 / Q3

  • Trans : BC547B
  • Col 2 R18 : 15K [10K]
  • EM 2 R21 : 390Ω [100Ω]
  • HPF 2 C4 : 100n [0.1 / 1μ]
  • Mil 2 C12 : 500p [10n / 12n]
  • Bias 2 R17 : 390K [470K]
  • Imp 2 R19 : 10K [10K]

CLIP

  • Clip 1 C6 : 47n [560p / 470p]
  • Clip 2 C7 : 1μ [0.1 / 1μ]

STAGE 3 Q2

  • Trans : BC547B
  • Col 3 R11 : 12K [10K or 39K]
  • Em 3 R10 : 100Ω [100 or 150Ω]
  • HPF 3 C5 : 47n [47n]
  • Mil 3 C11 : 470p [0.1 / 1μ]
  • Bias 3 R15 : 470K [470K]
  • Imp 3 R12 : 8K2 [10K or 12K]

TONE + VOLUME

  • Scoop R5 : 60K [33K or 22K]
  • TS HPF C9 : 3n3 [560 or 470p]
  • TS LPF R8 : 10K [33K]
  • Tone : @ 3 o'c
  • HPF 4 C13 : 1μ [10n or 12n]
  • TS LPF C8 : 6n8 [10n]
  • VOLUME : @ Max

STAGE 4 / Q1

  • Trans : BC547B
  • Col 4 R6 : 15K [10K]
  • Em 4 R4 : 2K2 [2.7 or 3.3K]
  • LPF 6 C2 : 470n [470p]
  • HPF 5 C3 : 47n [560 or 470p]
  • Bias 4 R7 : 470K [470K or 330K]
  • Buffer Out : On

The Insides!

2026-GPX-Dazatronyx-BFC-Muff-Insides-2-700.jpg

I've marked up the cluster of fixed transistors that can be selected on each Rotary controller.

 

These are BC337-25, BC547B, BC547C, 2N5088, and 2N5089.

 

As mentioned before - I swapped in 2N5133 transistors for the first socket selection. By default those are 2N2222A.


Original Master Visual

2026-GPX-Dazatronyx-Big-Fuzz-Console-Main-700.jpg
Stefan Karlsson
Posted by Stefan Karlsson
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Stefan Karlsson
Stefan Karlsson
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