But if you're willing to adapt the resistors to the transistors at hand you could broaden your search outside of the so called 'Goldie lock zone transistors'. AC128 transistors You will read on some websites that some original fuzzface pedals used an AC128 transistor. AC128 PNP Germanium. Ford Falcon Fuzz is a 1/18 scale steel die-cast model of the 1963 Ford Falcon. Get the best deals on Germanium Transistor Ac128 when you shop the largest online selection at eBay.com. GE 2N1382 . #1 I am making a Fuzz guitar effects pedal and the schematic requires an AC128 germanium transistor. $4.70 Shipping. In Stock. True bypass. AC128. Condition: New - Open box. Tested as follows. Then your connections towards the fuzz pot are: CCW down bus. Leakiness is exactly the same effect as putting a large value resistor from the collector supply to the transistor base, it simply adds extra current into the base - and hence the collector - of the transistor. You can select eather one pair of nkt's or one pair of AC's..Or even mix them . 300 Brickstone Square York Street P.O. Applications Old electronic appliances Old audio appliances Old radios The Ford Falcon Fuzz discontinued in 2015, but of great succes and and due to many requests, the Ford Falcon Fuzz will be back here in store in a short limited run. The Circuit has two matched rare NOS AC128 germanium transistors in the Fuzz section and a power converter circuit so that you can easily Daisy-chain this device with . TRANSISTORS; AC128 - PNP Germanium; AC128 - PNP Germanium. Buy It Now. 2) Build a test circuit. AC128 PNP Germanium. This particular example is in nice original condition and features (2) NKT 275 germanium transistors. or Best Offer. Search; About Us Box 3065 Shawsheen Village Station Andover, Massachusetts 01810 Telephone (508) 475-5982 FAX (508) 470-1512 Choose to PCB-mount or wire your PCB. Get the best deal for Germanium Transistor Ac128 from the largest online selection at eBay.com. almost all too noisy or leaky. Lately I've been rebuilding a 1976 Dallas Arbiter Fuzz Face that came with BC209s. Kingtone Vintage Fuzz is the 'JESSE DAVEY' VINTAGE FUZZ PEDAL. Liven up your Fuzz Face, pimp your Fuzz Factory, wrangle your RangeMaster. It is the original transistor of the 1966 Arbiter Fuzz Face, before the success of the AC128. The best advice to have on this topic is to buy a load of different transistors and test them out to see what you prefer. These are tested already, don't purchase the testing service for them! or Best Offer. Made with selected medium gain germanium AC128 transistors. The germanium semiconductor offers the best . Fits in a 1590B or 1590BB aluminum case. . Although I do not play guitar, there is a forum called "diyAudio", maybe they have some Germanium Transistor Spice Models for this particular type of fuzz simulation. BYOC has been selling fuzz kits with new transistors from , who have an exceedingly uninformative website. They're made in China. OC45, AC125, AC128 MULLARD,Germanium PNP transistor for fuzz guitar pedal makers. Low hFE 15-20!!! Two nkt275 and two AC128 transistors . 1 Original Russian made MP16A PNP Germanium transistor. EXPERIENCED is equipped with 2 transistors Germanium type, AC128k, brand Philips and Tungsram. The CV7003's consistency is so dependable that an external bias pot is rendered unnecessary. Adding the 22 mf. See the Stock List. Housing - TO1. Info about the original: This is a five-knob fuzz using two new old-stock sixties germanium transistors. Calculations Straight from data sheet we can read typical forward gain: For saturation current we take Vbe and Ic values at low current. Email address: About us. EXPERIENCED is equipped with 2 transistors Germanium type, AC128k, brand Philips and Tungsram. A low-end AC125, cheap at the time, but that sounded good. BC108 is an NPN silicon transistor, as I believe all the Dunlop reissue fuzzes use. Distortion Special)." The early AC128 and SF363E Fuzz Faces are probably only a myth. Gain ranges from 55-175 on the datasheet, however after testing, I'd say 90% are 70-115. | Browse our daily deals for even more savings! The fuzz factory is basically a modified fuzz face, and it likes a gain of about ~80 for transistor 1, and ~100-120 for transistor 2. Contemporary copies or fakes are numerous, and even exploited by major brands Mar 21, 38 2. $3.50. *Note, germanium is temperature sensistive, these . The low gain set has a very transparent fuzz sound. PNP germanium transistors are much easier to come by and cheaper, that's why they are used, with silicon this isn't an issue. These are matched sets of 4 pieces with a Hfe current gain of 50 to 60. Vintage germanium transistor fuzz "a la" fuzzface with added tone control. I've attached the circuit. Tone (Center knob): Low pass (left) to High pass (Right) through flat response. You can find them in another popular fuzz pedal - Zvex Fuzz Factory. The circuit is not modeled after any classic fuzz design, but should have been around when Leary was still lucid. All tested. Our Price: $2.50. Reviews There have been no reviews Add Your Own Review Played with 1982 Fender JV ST57-115, all red bobbin Fullerton USA pickups, Fender Blues Jr. Amp, Low leakage is still key though. Got this via Stoopkid Attachments Both are specifically selected eachone with its proper gain (HFE) for producing that magical tones. Measured on TC1 Transistor Tester. On the higher notes there you will get less octave up and more direct fuzz sounds. That said as with any Transistor variety here - the AC128 does not have to be restricted to Fuzz Faces, and it's found its way into some Tone Benders and Big Muff derivatives even. Quick view Add to Cart. Not necessarily the best, but the real Originals can't be found no more since a long time. If we take into consideration the feedback network, once again the second stage will not reach values as 18dB. As far as finding NPN silicon transistors that have useable gain ranges for a fuzz face, I have had luck with the 2N4123 (Hfe 60-100), SS9013 (Hfe around 100-110) and the MPS6513 . Very limited numbers - get them while you can. These work great in fuzz pedals. Quick view Out of stock. AC128 Germanium Transistors Low-leakage PNP germaniums - perfect for all your fuzzy desires. Due to its characteristic tone and historical significance, there are many web pages devoted to the analysis of the circuit. Gloomy to ground, please! Equivalent to: SFT322, AC128, 2N2706, NKT275. Leakage in the 150uA range. Something went wrong. roblovesolives Member Messages 968 Apr 9, 2011 #13 Thank you all for the advice. But it's hard to find good 128/188 anymore. . Much like the coveted fuzz AC128, our supply of the rare AC127 gems provide the intense and unmistakable ripping fuzz bite and sustain you cannot survive without. Plugging a '64 Rickenbacker 360 into a '70s Dallas-Arbiter Fuzz Face with BC109C silicon transistors . If they are in right, it still probably won't sound really good, the AC128 is one of the worst sounding transistors ever used in a fuzzface (only used in that gray reissue batch about 10 years ago). Free shipping. MULLARD/PHILIPS AC128 NOS Germanium PNP Transistors, Premium Set for FUZZ FACE $28.95 $8.00 shipping 55 watching 2pcs NOS MP40 40 PNP Germanium Transistor AC128 2G381 OC75 Tone Bender Fuzz $13.99 Free shipping or Best Offer NOS Matched Pair Tungsram AC128 Germanium Transistors GUITAR FUZZ BOX NOS $14.00 Free shipping 2pcs NOS MP40 40 PNP Germanium Transistor AC128 2G381 OC75 Tone Bender Fuzz. with two ac128s you could make a fuzz factory. Ge is indeed leaky. Only 2 left. The fact is that the AC128 is not a super high quality transistor, and wasn't at the time. Transistor - Sylvania 2N428. The AC128 can be as hot as a soldering iron in certain cases with no damage. The JDM Pedals "Elektrika" is our take on the legendary Tonebender Mk1. Remember that the input stage had a gain of 18.6 dB, that leaves the second stage a . Note that these are the "gospel" ranges, but its always down to opinion. It was HIGHLY variable in gain. Drive (Right knob): From mild overdrive to a crunchy, warm, lightly assymetrical distortion. Every component here is vital. A good start should be the circuit of the arbiter fuzz face : A real simple circuit circuit means a high sensitivity to the components, which means a VERY simple one to a VERY high. NKT275/AC128 Switchable. You get four different combinations . Quick view Add to Cart. In our box we mount the original, superior AC128 because we know that the original Fuzz Face it has been projected and created for this germanium beauty. $3.95. It also features Fuzz & Vol controls , two Bias Potentiometers (one for each selected transistor) and a Attenuator potentiometer. It means you have to: 1) Source your transistors. As long as you get the bias trimmed right, they seem to do their job fine. $. 1PCS GERMANIUM TRANSISTORS BEL/SONY TO-1 . The AC128 transistor can be used in other circuits to replace other similar old transistors; the method of using these transistors is the same as we use any other PNP transistor. These hFE ranges are meant to be ballpark ranges and it is not guaranteed that your transistor will fall . $10.99. It's not difficult, but it is time consuming. The few-and-far-between CV7003 are extremely consistent and heat-resistant, much more so than the AC128 and NKT275 transistors, placing the Fuzz Phrase in a league of its own. A Volume, Fuzz and Bias potentio-meter makes it a very versatile Fuzz with true vintage character. Quick view Add to Cart. Aug 9, 9. TABLE OF B SERIES TRANSISTOR EQUIVALENTS. . AC128 transistor. In this case, the total voltage gain measured at Q 2 collector is around 19.5dB. Our Price: $2.50. The CV7003s consistency is so dependable that an external bias pot is rendered unnecessary. Condition: NEW, NOS, straight from the factory box. Measurements and Specs. The base-emitter junction will have a forward voltage drop of about 0.25v and can be used as a clipper in a fuzz circuit. Transistor Pair - Fuzz Face PNP, Generic. No file text available. Germanium PNP transistors, manufactured by TOSHIBA. You will find these square beatuies often in a matched pair with a AC127. A silicon BC109 will have higher gain than a germanium AC128 but both are fairly high gain making them perfect fuzz guitar pedal transistors. Used in the early version of Arbiter fuzz guitar effect. When a small batch becomes available they are generally sold out in a few hours. Our Price: $2.00. In our box we mount the original, superior AC128 because we know that the original Fuzz Face it has been projected and created for this germanium beauty. AC128 is a legendary transistor used in famous Fuzz Face guitar pedal. Still others claim that the "Arbiter" Fuzz Face , (the first run of the unit) had SF363 transistors in it (See 1992 Guitar Player Mag. With the quintessential Hendrix-era aesthetic. This strange device is exactly the same transistor BUT with a factory mounted radiator, useful in other applications where it receives its 32v possible supply. Made with selected medium gain germanium AC128 transistors. You can buy our transistors in. Free shipping on many items . ex : AC128 (Fuzz Face, 1966-69) These transistors were at first designed to drive the loudspeakers of radios and consumer audio products. The previous run's had a silicon transistor Fuzz, this limited run has a rare NOS AC128 Germanium Fuzz circuit. Kingtone pedals are handmade and this is their boutique fuzz pedal that made in small batches using hard to find NOS Germanium transistors. What about the three-transistor set for the Sola Tone Bender Professional Mark II? I have measured several hundred AC128's for gain, and they vary from a gain of 16 to probably 180. The white font type, and the"Dallas-Arbiter Engl and" label. If they are in right, it still probably won't sound really good, the AC128 is one of the worst sounding transistors ever used in a fuzzface (only used in that gray reissue batch about 10 years ago). 2 around 80, 2 around 120 Dec 18, 2021 #10 SbS Tele-Afflicted Silver Supporter Joined May 29, 2020 Posts 1,311 Age can be your angry/FSU fuzz. Compare this to a ts9 chip. Hi guys. electrolytic capacitor from index A-12 down bus. 1 Original Tungsram AC128 PNP high gain Germanium transistor. Two Germanium transistors (type AC128) are selected by us for the best Fuzz Face sound. In 1967, some models have been known as bringing a so called "creamy" sound texture to Fuzzboxes. NOS from 1970's. Choose your hFE range, higher number is higher gain. The Gold-lead 2N1304's provide incredible touch-sensitive juice into the fuzz-inducing AC127. Another thing is that a lot of people who build a fuzz face insist on keeping every resistor in the circuit exactly the same as in the original. When selecting Germanium transistors know that all versions of the Arbiter Fuzz Face Clone and the Face the Fuzz circuits come with hand-tested and selected premium AC128 NOS PNP transistors. Though, I've built some very nice FF with very leaky 188 before. THE COLLECTOR IS ELECTRICAL CONTACT WITH THE CASE. We choose lower gain . Wiper to index J-12. It sounds great and only costs $99.. First, they've started making germanium transistors again, though I haven't managed to figure out exactly who "they" are. Random selection hFE range: 430-580. As such we substituted The AC128 with a modern 2N3906 silicon PNP transistor. CW to index J-14. The results won't exactly match the real circuit (the AC128s were highly variable anyway) but we . NOS from 1970's. Choose your hFE range, higher number is higher gain. The new Dunlop Germanium Fuzz Face Mini has brand-new germanium transistors. From the graph we get 150mV . The few-and-far-between CV7003, are extremely consistent and heat-resistant, much more so than the AC128 and NKT275 transistors, placing the Fuzz Phrase in a league of its own. Quick view Add to Cart. Including; the bright red finish. 1 NOS MP25B Russian PNP Germanium Transistor Fuzz. In 2020 I built a software simulation of the first fuzz pedal, the 1962 Maestro Fuzz Tone FZ-1, based on the documentation in Glen Snoddy's US Patent #3,213,181.The Maestro Fuzz Tone was used by the Rolling Stones on Satisfaction in 1965 and inspird many subsequent fuzz circuits, including the Tone Bender and . The second and third stages are exactly the same as in the Fuzz Face, and the first stage needs one that measures from 75-100. The original Fuzz Face used the AC128 germanium PNP transistor, a device which doesn't have a manufacture-published SPICE model (unless you trust random forum posts). Cutoff at 660 Hz approx . Add three jumpers: G-4 to G-7, G-9 to G-14 and E-12 to F-12. Applications Old Radios Old Television Sets Fuzz Face Circuits Old Audio appliances Safe Operating Guidelines / Absolute Maximum Ratings As a result, the bias points shift. AC128 Ge-Transistor PNP 32V 1A 1W. Most people generally agree that the AC128[3] transistor was the first, though a few say that the NKT275 was the first. C $14.04. Ideally, I need to search for 2 AC128 transistors with particular current gains (Beta parameter) to achieve the sought-after old . Wider frequency response than the Arbiter Fuzz Face Clone. Fuzz-Face Simulation The acid test for this model is how it simulates a classic Fuzz-Face circuit. Drive (Right knob): From mild overdrive to a crunchy, warm, lightly assymetrical distortion. Great for vintage style fuzz circuits. Product Data. This was made to be in your fuzz. *2021-05-29: Updated to use Gert Willmann's new 2N270 germanium transistor model. I'm looking at buying transistors and noticed it's extremely difficult to find AC 128 transistors, as noted on the Fuzz . 22,96. Tone (Center knob): Low pass (left) to High pass (Right) through flat response. Transistor 2N1303 Unbranded. I'm in the process of acquiring components to create a Fuzz Factory as my first DIY pedal. The first germanium transistors that I encountered as a kid were the glass-encapsulated OCxx types - OC44, OC45, OC71, OC81D, OC81, etc. Quick view Add to Cart. $150.00. The AC176 was designed as the NPN complement to the AC128. Both are specifically selected eachone with its proper gain (HFE) for producing that magical tones. The procedure of using these transistors is same as we use any other PNP transistor. Replacement and Equivalent Silicon material alternative for NKT275 are BC337, 2N3109, 2N2905, 2N3107, 2N2905 , 2N4032 Alternative for using in Fuzz Face are AC128, BC108, BC183, BC109, CV7005. Fully tested with a Peak Atlas DC55 and sorted for gain, compensating for leakage. The AC128 WAS found in the grey reissues made in the 90s. ac128 germanium pnp transistor. I offer a tested three-transistor set. I was looking for an equivilent to AC transistors. transistkr. AC128 Germanium Transistors Genuine RS Components 1970s Vintage NOS Fuzz Face | eBay People who viewed this item also viewed Showing Slide 1 of 1 *update* 2003 Original Frantone Peachfuzz Peach Fuzz vintage boutique pedal $510.19 + $50.35 shipping Sponsored Fuzz Face Effect 2x Top Quality, Professionally Made PCB's Stompbox PNP & NPN $7.80 You are likely to never have to adjust the bias on your pedal! However, I and all my fuzzface guru friends have never seen these in an original fuzzface from the 1960s, and we have seen hundreds of them. 1 NOS MP16B Russian PNP Germanium Transistor Fuzz. Vintage germanium transistor fuzz "a la" fuzzface with added tone control. $1.00 ) SKU: Q-100-AC128 Minimum Purchase: . Join our Mailing List. http://www.synthrotek.comHow to Test Germanium Transistors - We use these AC128 transistors in our Fuzz Face Clone Pedal Kit. If you get something outside those ranges and you like it, run with them. Can anyone tell me what is a good value or how the value effects the sound? Two Germanium transistors (type AC128) are selected by us for the best Fuzz Face sound. finally if you just plug silicon 2N304/2N306 into the standard germanium fuzz face design you will probably find the sound is pretty harsh and not in a musical way. They are available on eBay, untested or with the hfe value measured. Supposedly a number of the earliest Fuzz Faces were made with AC128 Transistors - but very few of those have surfaced - possibly just lab prototypes. Anyway, it is not grossly incorrect like the AC128 mentionned earlier. MP42B PNP Ge.Transistor/Matched Quads/NOS/AC128 2G381 OC75 Fuzz Face Tonebender. My last batch of AC128's was 75% unusable because of leakiness. It is a moderate gain (90 typical) device with only modest frequency response. Values available are 70 - 110. They are distinct from other families by their dissipable power and their maximum collector current. AC128K Germanium Transistor PNP Philips +++ the last +++ $6.19. General purpose silicon NPN transistor, TO-18 metal can. Let me talk about the attenuator. The NPN polarity allows for use with standard pedal power supplies. ALL JEDEC DIMENSIONS AND NOTES ARE APPLICABLE. But when less-expensive silicon transistors became available, Arbiter quickly switched over. . AC128 transistors are a popular choice for fuzz and overdrive pedals: used in the right configuration, the performance curves on these selected transistors will give that classic roundness only attainable with original germanium technology. . Although the five knobs are named for the parameters over which they seem to have the most control, please don't hold me to it. In this original version, we have NKT275 transistors which are AC128 from outside continental Europe. 3 x AC128 germanium transistors. This was made to be in your fuzz. 3) Use the test circuit to sort your raw stock so you can use it intelligently. AC176 NPN germanium transistors. 12.55. . I have 4 extra. Cutoff at 660 Hz approx . AC128 Germanium Transistor PNP TO-1 NOS. Write a review Your Name: Your Review: Note: HTML is not translated! 9V Battery or 9V center negative DC adapter (can be daisy-chained by using a 1 Spot or equivalent adapter) Choose temperature-stable BC558 silicon transistors or NOS germanium AC128 transistors. Analog effects pedal design is a dead art." This is kind of involved.
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