6l6 se tube amp schematic software

The tube manual will specify it in only one of these ways but i have seen all three used on different tubes even in the same manual. By trying out several different sets of operating conditions in the computer i could eliminate hundreds of possibilities without playing with electricity. Thats it for the signal path, now lets examine the amps power supply shown at the bottom of the schematic. Push pull 6550 monoblocks diy project sarris custom tube. I guess it depends on what else is going on in the schematic. Tube 50c5 amplifier push pull tube amp schematic tube amp schematics. A tube amplifier chassis contains lethal high voltage even when unpluggedsometimes over 700 volts ac and 500 volts dc. Being a guitarist who shares that opinion, i chose to design a tube amp of my own.

Tube amp schematics, tube amp information, tube amp projects. I was asked by kegger on the ak tube amp audio forum if i was interested in designing a pcb based amp on the 6l6 output tube family. On 2002,el34 single ended amplifier made in chile by lagartoschematic. Ac wall power from the power cord flows through the onoff ac switch and on to the power transformer shown at bottom center which steps up the wall voltage to 325 volts rms root mean square average ac for the high voltage supply and steps it down to 6. These amplifiers are entirely hand made right here in chicago, with love. The plate voltage is about 320 volts and the output stage is a classic singleended cathode follower. Construction 25w singleended class a tube amp circuit diagram. Since it was targeted at a first time amp builder, i wanted to keep it as. In 6l6, there is an electronic lens that focuses electron beam onto its plate. The tube el34 is a thermionic valve or vacuum tube of the power pentode type. From schematic to ordering parts to cab design, it is all here and explained in detail. If you have not been trained to work with high voltage then have an amp technician service your amp. You can change the tube current, and the cathode resistor will change. Would it even matter if the tubes were bias different.

Unfollow 6l6 tube amp to stop getting updates on your ebay feed. Diytube is both shannons small business located in central illinois and a closeknit forum featuring a handful of helpful and prolific members. The project details the build of a singleended 6l6 harp amp. Initially had to answer the question classic push pull or a single ended amp. I used the standard 40% screen grid tap, but the 6v6 is supposed to be designed for 23% screen grid taps in ultralinear mode. Single ended tube amp project gabes tube amplifiers. Even though 6l6 tube is used primary in guitar vacuum tube amplifiers, many manufacturers use this tube in audiophile designs.

If you see a problem with any of the schematics, please email me so i can fix the problem. Please visit my tube amplifier forum heres the place you can go to ask tube amplifier questions. The circuit is derived from the classic singleended designs that began in the 1930s. I decided to build this small single ended amplifier based on 6l6 vacuum tube using a classic three stage single ended design.

Single ended class a 6v6 6j5 valve vacuum tube amplifier circuit. Atarashi designed this amplifier for the multichannel sacd application with just fourchannels instead of the normal five. If you amp is cathode biased, has a pt that is adequate and has tube rectification then you can do something like this. There is also a huge library of effects and solid state schematics. These changes appear in red so you wont have to read through the entire text searching for them. This amplifier was a gift to my fatherinlaw for christmas a few years back. There are hundreds of pages of tube amp information on my library page.

It has an international octal base indicated by the 3 in the part number and is found mainly in the final output stages of audio amplification circuits and was designed to be suitable as a series regulator by virtue of its high permissible voltage between. The veritable 12ax7 was the work horse dual triode preampmixerdriver of choice in the 195060s. See more ideas about vacuum tube, valve amplifier, tube. They are usually used for relatively small amplifiers, e. Diy 6l6 kt66 single ended amplifier with 6n3p srpp driver. First it uses a 4s universal preamp circuit as a driver, with the volume control. Europian tubes bias are almost a half of kt88,el34,6l6gc s bias. This amplifier was originally featured on the january 2004 issue of the highfidelity audio. The tube amp library of information click the link above for tube amp info, schematics, board building information, projects, mods, transformer diagrams, photos, sound clips. Diytube 6l6 clementine single ended tube amp shannon parks, owner of diytube, has made a number of projects available since 2003 when the diytube st35 clone was made available. Tube amp schematics index page there are over 3500 tube amp schematics and other types of schematics in the el34world schematic library. Sep 25, 2016 construction 25w singleended class a tube amp circuit diagram el156. The biggest difference is the rectifier the schematic is drawn with a solid state diode. In an effort to give a little back to the internet harp and tube amp communities, i have decided to offer this free project.

Almost identical circuit to the el84 amp, except output tube is a single ended 6v6gt. Hook up all the components according to the schematic, part list, and photos. Jean hiraga 12ax7 single ended kt88 tube amplifier schematic. Despite their best replication efforts, the consensus among performing and studio musicians remains that there is no substitute for a welldesigned tube amp. The tube amplifier replaces a solidstate amplifier which was driven by a tube preamplifier.

Space tone 6v6se 5w class a singleended 6v66l6 tube rectification pure. There is only one tube family that has the right tone, the 6l6 family. Edcor does make a transformer with screen grid taps at 23%. Higher powers are obtainable with either very large power valves, or by using multiple valves in parallel, but beyond about 15w it is usual to use. Each channel makes use of a single low noise tube 12ax76n11 at the input and proceeded by a power tube 6l6el34kt88 to accomplish power amplification. The octal socket was rewired for 6l6 family tubes and the like. It uses a power transformer scavenged from a fisher 400 receiver and hammond 1645 output transformers, and produces 25 watts per channel.

I thought it would be a good idea to revive the original 6p7s amp using the tamura ots. These are what a manufacturer calls post production changes. The idea of building a diy audio vacuum tube amplifier based on highquality materials begins in the early 90s. Circuitry lone wolf blues company single ended 6l6. The frequency response chart was created using a small vb program i created. Valve amplifier audio amplifier electronic circuit projects lcd television circuit diagram vacuum tube diy electronics circuit board audio equipment. The peak is the rms voltage times the square root of 2. So starting the design somewhere in 1994 i decided to design. After putting the amplifier into operation i found a few changes were necessary to the power supply. Lone wolf blues company single ended 6l6 circuitry. It has more to do with typical implementation of such output stages than the inherent qualities of the tubes the dr z in question uses a highefficiency class ab power amp, and works a lot more like a marshall than a typical modern el84based amp in practice. Ive spent the weekend punching and drilling a chassis with the following holes. In effect the 2 preamp stages are treated as one, and this enables the builder to control the. The gridtogrid voltage is twice the peak grid voltage.

It is a distributed load pushpull output topology called ultralinear back in the day. The amplifier circuit is very straight forward following the basic. In an effort to give a little back to the internet harp and tube amp communities, i have decided. Z maz 38 senior sometime, and say that el84 amps have a small sound. Jean hiraga singleended tube amplifier schematic with input stage dc circuit. Schematic for 6l6 single ended amplifier with 6n3p srpp driver. I am hoping to get a single ended amp that can hang with a polite drummer. Designs tubelab sse simulations simulations tubelab. If there is short circuit, the transformer will be getting very hot shortly.

Thanks for the input, got a interesting, simple schem on teh ak forum6sn7, 6v6, 811. Very nice, classic 3 tube, mono, class ab audio amp. Single ended 6l6 hifi pentode preamp amplifier, tube, vacuum. Pushpull 58816l6 amplifier this was the second amplifier i built for myself and was completed in september 2006. That is driven by a directcoupled splitload phase inverter, preceded by a single gain stage, all using the common 12au7. Never touch the amplifier chassis with one hand while probing with the other hand because a lethal shock can run between your arms through your heart. See more ideas about tube, vacuum tube and diy amplifier. Just letme introduce you japanese amplifier builder meeting at kanto area please make click. The output power varies from 3wrms to 8wrms depending on which type of output tubes are used and is a very good match with high efficiency 90db or beyond speakers. See more ideas about valve amplifier, vacuum tube, circuit diagram. Tube bias calculator rob robinettes car and tube amp. Revenge of the fallen and i was inspired to build an enclosure for a vacuum tube amplifier that incorporated the decepticon logo. Assembly manual schematic parts list tubes and applications design simulations.