Wren and Cuff Tri Pie 70 Fuzz Pedal


The Tri Pie 70 is Wren and Cuff’s version of the famous Muff “triangle knob” fuzz from around 1970. One of the great Muff replicas

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Wren and Cuff Tri Pie 70

The Wren and Cuff Tri Pie 70 is our version of the famous ***-Muff “triangle knob” fuzz from around 1970.

What we’ve done is made what we consider the best sounding tri-knob replication you can find.

Compared to the modern day BM, the Tri Pie 70′ has less saturation, a bit less mid-scoop, and more snarl. At the same time possessing a smoothness that sweetens things in a very musical way.

Its range is:

  • more useful,
  • responds well to your guitar’s volume knob, and
  • even gets into the overdrive zone at lower settings.

How does the Tro Pie compare with other Muff style pedals

Here is one thing that sets the Wren and Cuff Tri-Pie 70’ apart from many of the other B-Muff recreations.

Rather than chasing down magical parts and sexy looking transistors, we’ve blind-tested a plethora of different types and transistors.

We have come up with what we believe to be the sweetest mix of high and lower gain transistors. These yield beautifully rich and complex saturation full of color, bloom and sustain.

Contrary to popular belief, vintage “NOS” transistors aren’t that hard to find.

Anyone that has a few good suppliers and is willing to buy in bulk can get most silicon NOS transistors.

Problem is, the inconsistencies from muff to muff. And gain variances between transistors, with the same part numbers, makes the search for the “right” transistors a bit pointless.

When someone is chasing after a sweet-sounding version of a muff they’ve heard or heard of, they may not know it, but what they’re really chasing after is one of the really good ones within that version.

The ones that randomly got the transistors that had the characteristics needed to produce a pedal that had “that sound”.

I don’t want to paint an over-exaggerated picture of the inconsistencies inherent to these pedals. T

Truth is, there was a much greater amount of consistency from pedal to pedal than germanium transistor based Fuzz Faces for example.

But silicon transistors, which all the muffs had,  were still “new” at the time and not nearly as consistent as they are now. So the inconsistency factor is definitely a valid point.

And I’d bet my booty that most of the big names in music at that time sorted through more than a few pedals before finding the one that they liked.

You can see it demonstrated with guitar and bass on the Wren and Cuff website.

So here’s what we’ve focused on:

Finding a great combo of trannies and guaranteeing that each Tri Pie 70’ will be totally consistent and sound the way it should. So what transistors do we use?

We prefer to keep that to ourselves, but we will say that it is a combo of common and slightly uncommon transistors with the characteristics that we feel produce a glorious sounding muffer. We hope you’ll agree!

If you like the current EH muffs, but have found them to be harsh and brittle at times, or much more “buzzy” than you expected, then the Tri-Pie 70’ may be for you.


Volume, Fuzz and Tone. Standard controls – simple!

Additional information

Weight 0.32 kg
Dimensions 12 × 6.5 × 4.1 cm
Analogue or Digital



White, Black


4 mA



Pedal Type


Power Connection Type

Centre Negative

Silicon or Germanium




EAN 13





Tri Pir 70


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