Feb 28, 2020· The age of using germanium transistors in production started to fizzle out in ’67, and in ’68 silicon [transistors] became available [in Fuzz Faces] , The little music store I bought it from had a stack of Italian Voxes right next to a bunch of Thomas Organ Crybaby's, I'm glad I picked the Vox as it was an awesome wah I've been trying .
May 02, 2013· Classic '60s Germanium transistor overdrive and more In addition to a Gain control, the Electro-Harmonix Germanium OD allows the user to control Bias for attack and the circuit Volts for that sweet spot found when a battery's voltage dips Dial up that slightly torn speaker sound OR dial in total Germanium "Satisfaction"
There are some modern replacements for some germanium transistors Once I needed to replace the germanium output transistors in an organ amp because they were quite noisy Found a modern NTE replacement which I installed and it has worked just fine
Jan 27, 2017· Farfisas with Germanium transistors were made with a variety of transistors in their dividers that are all interchangeable We’ve even seen organs with mismatched factory original transistors As long as the two transistors of a divider are the same type as each other there’s a lot of leeway as to what you use; almost any PNP Germanium will .
Aug 14, 2015· Image courtesy of Perfect Circuit Audio Like the antagonist from a horror movie franchise, this classic transistor-based organ refuses to die Released in 1962 and designed as a more portable organ than Hammond's B3, Vox's Continental was everything the Hammond was not
Aug 17, 2010· Buy Now: https://googl/AaJvfK This is the Electro-Harmonix Germanium 4 Big Muff Pi This version of EH's classic Big Muff circuit features 4 Germanium transistors powering separate overdrive and .
Germanium 4 Big Muff Pi Distortion/ Overdrive Combining four classic germanium transistors, the Germanium Big Muff Pi is the result of a focused modern design dripping with EH analog heritage An independent overdrive and distortion each have their own sets of two germanium transistors as well as independent controls
May 22, 2008· Buy Now: https://googl/1jeVkz The Electro-Harmonix Germanium OD Overdrive pedal is built around actual germanium transistors for that 60's overdrive tone The EH Germanium ,
The first transistors were made of germanium; today, germanium has been almost totally replaced by silicon In fact, no manufacturer today is making small-signal germanium transistors, so finding recent-production exact replacements for Schober transistors is impossible
Jun 28, 2013· Repairing Vintage Transistor Solid State Stereo Audio Amplifier shango066 , Basics of Transistor bias point and the class of amplifier operation , Repair of a Hammond organ ,
Sounds Of The Schober Electronic Organ LP-soc7 1966 Demonstration and advertising records can hold musical moments so I pick them up when I find them In this case, the jacket was appealing with the image of the family excited about the sounds of the electronic organ , The circuit design was a shambles, reworked germanium transistor .
The choice by Thomas Organ to design Vox guitar amplifiers in 1966 with germanium output power transistors seems a bit odd Germanium transistors were sensitive devices with a fairly high failure rate Far more dependable silicon output transistors had ,
Aug 04, 2016· Hey guys, just wondering about my 67-68 circa box Cambridge reverb solid state amp Made by Thomas organ company, Are there germanium transistors in the board somewhere? I'm also wondering if any modern foots witch pedals for the reverb and tremolo are available
Thomas electronically redesigned the circuits in the V301H organ to replace all the germanium transistors in the tone generators, preamp, and vibrato circuits with silicon transistors The V301H was a short lived model, less than one thousand units were produced
Organic Germanium and Cancer , atoms of other substances it is by taking advantage of this feature that the electronics industry has been able to use germanium for amplification in transistors, and for rectification in diod , Since disease results if this potential is disturbed the potential of a diseased organ being different from that .
Troubleshooting a Philicorda 751 combo organ Close 2 Posted by u/lem0ne 2 years ago Archived Troubleshooting a Philicorda 751 combo organ Hi! I'm trying to fix an old Philicorda organ Currently it doesn't produce any musical sounds, only weird beeps and boops , The output is powered by germanium transistors
Mar 31, 2010· Got a bad transistor in the oscillator tuning dividing network on a Farfisa Compact Deluxe organ They are marked RAY Y363 Can't seem to find any info on that particular part or a substitute
Any other result and you have a bad transistor 5) Finally, repeat the same test between collector and emitter This time you should see an open circuit in both directions (except for germanium transistors which can show a moderately high resistance reading in one direction and open circuit in the other)
Oct 20, 2011· If you need to replace those resistors at all, you can still buy the carbon comp types (not carbon film, which are smaller) and they're likely to be 1/4 or 1/2 Watt Germanium transistors - take a look at Towers' International Transistor Selector - your nearest reference library should hold a copy if they're worth their salt
6ea Delco Baldwin Organ TRP-V Germanium TO-3 Power Transistor $3995 $600 shipping or Best Offer 19ea Motorola TO-36 Germanium 30A Power Transistors 2N2157A And 1 2N2154 Tested $18995 $930 shipping or Best Offer 72ea New TO-5 TO-39 NPN Silicon Long Gold Lead 2N697 ITT RCA KSL Motorola
I've even heard of people successfully replacing a Germanium transistor with a Silicon type Watch out, however, with Farfisa Compact and Vox UK and Italian Continentals circuits that use Germanium transistors - I don't have a lot of experience with those, but I think they're a little more finicky about having a correct substitute
We used new, silicon transistors, type 2N3906 Six of the new transistors are seen here Finally, this photo shows the arrangement of the Mini-Compact's twelve tuning coils Holes on the back of the organ's case let you tune the 12 oscillators without disassembling the organ
Apr 06, 2018· A very cursory search will find projects using a Raspberry Pi as an organ or as a light-sensitive switch , From Valve Analogue to Germanium Transistors to Silicon Transistors ,
Sep 11, 2013· Germanium is a chemical element with symbol Ge and atomic number 32, that’s used as a semiconductor in transistors and diodes, popping up in a few classic effects like the early period Arbiter Fuzz Face, the storied Dallas Rangemaster and the Maestro Fuzz-Tone “Subjectively the sound of Germanium offers a smoother, more-ear pleasing .
6ea Delco Baldwin Organ TRP-V Germanium TO-3 Power Transistor $3995 +$575 shipping Make Offer - 6ea Delco Baldwin Organ TRP-V Germanium TO-3 Power Transistor Delco / GM, DTS-721, Silicon Power Transistor $1200 +$318 shipping Make Offer - Delco / GM, DTS-721, Silicon Power Transistor
Modification ORDER FORM for sending in your Fuzz Face pedal We can modify any of the round Fuzz Face pedals, including the Red Dunlop one, the Grey UK Arbiter one, and the Grey JHF1 Jimi reissue These all have the basic fuzzface circuit of two transistors and no extra junk We can also modify most hand made fuzzface clon
The EarthQuaker Devices Hoof V2 fuzz pedal soaks your guitar's tone in beautifully dirty organic fuzz, thanks to its hybrid of germanium and silicon transistors At Sweetwater, we love how the Hoof combines the best elements of a fuzz effect and overdriven amplifier by delivering a healthy dose of smooth, harmonically rich sustain, along with .
This is the place to discuss the Hammond organ models and their technical aspects
He laughed, and said the guy probably harvested desirable components from my set, probably the germanium transistors or diodes, I can't remember exactly which Are germanium components really that hard to come by that someone of low standards might do such a thing?
Output Transistors Thomas only used germanium parts for outputs in the early amps, not in the signal circuits The only commercial replacement listed is the DTG110, probably the “B” suffix You can still get these from Germanium Power Devices, I think They are quite expensive, not stocked anywhere, and probably only available in large .
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