endobj >> The original models use 1/2W carbon film resistors. /ca 1

Sanyo solid organic polymer 22uF electrolytic. hfe is nowhere near as important as you think it is. /CA 1

Hfe is always quite low in the NKT 275 Fuzz Face; few transistors if any exceeding 70 Hfe.

but it won't sound or react like a normal fuzzface.

/OP true

I use it to bypass the fuzz and kill the battery at the same time. The original FF uses standard aluminum electrolytic capacitors for the 2.2uF and 20uF values and a film for the 10nF cap. One CTS 500K log pot for volume and one Alpha 1K lin pot for fuzz level (that’s what I had in my bin). 11 0 obj All the other features (true bypass, LED, quality components, polarity protection, turrets, power supply capacitor, etc) will not change the sound of it and enhance the, If you want to know all the details about the circuit, have a look at the, The Germanium Fuzz total voltage gain is around 48dB matching, (you can also order NOS USSR Germanium Transistors), The logical thinking is that maxing the guitar volume knob and the pedal Fuzz and Vol controls will give the maximum distortion, BUT the Fuzz pedal is quite unique and the volume knob of the guitar plays a very important role in this effects. It is mandatory to procure user consent prior to running these cookies on your website.


Hi guys, do you know which transistors has Joe in his FF?

The gain ratio is much more important.

You also have the option to opt-out of these cookies. Arbiter Fuzz Face The Fuzz Legend Welcome to a legend. What transistor hFE(s) for a high gain Fuzz Face? /Type/ExtGState The first FF's manufactured in the UK used the AC128, a 45-165 Hfe European germanium PNP transistor, cheap/common at that time (later on replaced by the Newmarket NKT275).

A problem with Silicon transistors that doesn't seem to exist with Germanium is that they can have too much gain. var addy_text1596706def9b282fadcdd2f746892007 = 'info' + '@' + 'electrosmash' + '.' + 'com';document.getElementById('cloak1596706def9b282fadcdd2f746892007').innerHTML += ''+addy_text1596706def9b282fadcdd2f746892007+'<\/a>'; NOS Factory sealed Russian Germanium Transistors from the USSR era: with reasonable high-gain (Hfe>60) and super-low leakage current.

They are not used anymore because they are considered … Top quality audio-grade components (2.2uF film input capacitor, Neutrik jacks, Bourn trimmers, Alpha pots, Wurth caps,  axial components, etc).

It has an effect, but it's not completely crucial. Yet Another Fuzz Face. This category only includes cookies that ensures basic functionalities and security features of the website.

meiner Erfahrung nach - wenn man den Kondensator, welche üblicherweise um die … I've had some success going as low as 40 or 45 hfe in Q1, and about 60-70 in Q2, but not lower. E?3 �笈^�� z��߮��O�(V?�/)S�r�A��.�I)���:Pl���EY�C*�鷍N�\ �sp�h�N���DC����|���ѪP���h�M�=l�+�(fp�X��.�m One reportedly good sounding unit had a pair of transistors each measuring 56Hfe exactly. /TK true The circuit follows the original Fuzz Face (.

Quality PCB:  1.6mm FR4 printed circuit board with plated pads for easy soldering.

If you can, use a reverse log pot for fuzz level because all the magic happens in the last 20% of the pot travel. >> I absolutely love the sound of it. /OPM 1 Subject says it all, what hFE measurements and Q positions would be considered high gain for a Fuzz Face? This is true to some extent. The Dallas-Arbiter Fuzz Face has been around since 1966, and it shows no signs of dying any time soon.

The originals were built without measuring anything. Leakage wasn’t particularly low in these transistors. /Type/ExtGState /AIS false By doing this, we will create the same conditions for the transistors as if they were the, The first FF's manufactured in the UK used the AC128, a 45-165 Hfe European germanium PNP transistor, cheap/common at that time (later on replaced by the Newmarket NKT275).

The usual recommended range for the "classic" Fuzz Face is 70-85 for Q1 and 120-140 for Q2. /TK true

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