The whole 6p1 model is based on a single triode model from korg. However, there are problems with nutube 6p1 which makes it useless in audio systems with high fidelity. Data sheet containing technical information, illustrations and photographs of 6p1 electron tube. For example in the 6p1, with the heaters connected in parallel, one end may be at approximately 0. Using the same procedure, insert the two 6p1 tubes into the two inner tube sockets. The fact that the nutube is directly heated and that it has a common connection for both triode filaments means that to implement a classic differential amp, you need to float the heater power supply.
Table of contents has main features2 nutube headphone. With the tube in hand i found a suitable plastic box and milled a window to watch the tube in light. Keywords audio, low frequency, thd, noise, vacuum tube, circuit design, pcb design. Later appj introduced a new model using the western 6005 instead of the chinese 6p1 power tube, then an el84 model where a 12ax7 drives the pentode. Modern vfd vacuum tube demonstrated itself as a tube which can provide tube sound with low supply voltages.
At the 2015 namm show, korg and noritake introduced the nutube, a new miniaturized and high performance vacuum tube in cooperation with noritake itron corporation, korg has developed the nutube to offer improved reliability and efficiency, while still generating the same rich harmonics which vacuum tubes are known for. This means that the effective grid to cathode voltage varies along the length of the heater filament. This article provides an overview of the korg nutube 6p1, a new, miniature, lowpower dual directlyheated triode device. It was introduced in the mid 1950s and obsolete a decade later. A new, modern, small, longlife, lowpowerconsumption triode. A chinesemanufactured version of the tube also exists, labeled 6p1. Blind tone challenge part 8 vox mini superbeetle vs. Tube basics karlwoodward this is the first in a multipart series exploring the design of a guitar pedal for amplification and distortion, going all the way from project start to a finished working design and making use of the korg nutube. Although it is a true directly heated triode, it is manufactured differently than traditional vacuum tubes, which gives it some unique. Just click on any of the above images to download a pdf of the user guides.
View and download chaffoteaux pigma gal evo training handbook online. Blind tone challenge part 8 vox mini superbeetle vs vox. For those of you who still have old computers running windows xp 32bit or any other windows 32bit os, i have setup the download availability of my old old standards. The winged c sed 6p1peb 6p1pev tube 61 is an upgrade for the chinese 6p1 tube found in a lot of chinese hifi amplifiers. Standard 6n1p russian military manufacture, ussr c. Schematic diagram searchable pdf for iphone 6s 6s plus. Always check for the correct vacuum tube in your manufacturers user manual. English language schematic for the fever 6j1 preamp circuit. Not simulatable this is as close to a direct translation of a schematic i received for a headphone preamp i ordered from a seller in china as i could get without actually learning to read chinese. The nutube 6p1 is a directlyheated twin triode preamp tube, and although it is a vacuum tube, can operate at low voltages, and with low power consumption. That is the purpose of the isolated dcdc converter. Used double side adhesive foam to fix the tube to the plastic front of the case in this links you can download some pictures of the housed kit. Actually the miniwatt amp is the appj model pa0803a with the 6p1 tube.
The korg nutube 6p1 is a newly developed, lowpower directly heated dual triode vacuum tube. Versions that should work interchangably are the 6c33b, 6c33c, and the 6c18c, but check with your equipment dealer first. Tekt hak1 tube headphone amplifier using the novel korg nutube 6p1 device. Nutube carrier pcb unassembled this board provides a convenient way to mount the 6p1, either to a chassis, or to a standard 0.
Luckily for us in the nutube datasheet, there is a reference schematic and it. Visual aspect property of tube and the recovery measurement of dp as a function of the values specificed in training handbook. Tube guitar amplifier is used by most many guitar player,it preferred because it produce sound that more natural sound in clean or distorted,it sound different compare to solid state guitar amp. My 1979 original heathkit printedmailed it2117 data chart booklet unfortunately is itself not very clear on most pages, especially telling bold vs not bolded, involves some guessing, so i usually refer to an online or print usually bill beechs nj7p tubedatabase tube manual to be sure. Be sure to order the correct tube for your amplifier. I fear that they might have designed the new 6p1 triode to be less linear than they. The 6c33 russian tube is another that has no western or chinese sub. Oct 19, 2018 find out in this blind tone challenge comparing the two tube technologies in a vox mini superbeetle and a vox ac4c112 sound comparisons. Please see the substitutes at the top of the page for more details. An nfb negative feedback switch is used, which lets you switch the nfb. The chinese 6p1 and the russian equivalent 6p1p also have no western equal. Premium vacuum tubes long life nos ussr military spec 6p1 tube equivalents 6p1pev matched to your requirements. Tube 6p1 or rohre 6p1 id25753, beam power tube, octal int.
Apple iphone iphone repair mobile phone repair iphone 6 backlight unlock iphone free english learning books free software download sites. Our 6p1 nobsound ms10d tube equivalents 6p1p are russian military manufacture, 6p1pev ussr c. It was developed by korg of musical instrument fame and noritake itron, a manufacturer of vacuum fluorescent displays, in japan. Us is now making the nutube 6p1 available for purchase in small quantities to. Distortion 53 harness b harnesses 8, tricolored 1 54 harness c harnesses 2, red and white 1 55 battery. Download a pdf file of all 211 pages at once by clicking here.
Nutube 6p1 evaluation board korg nutube evaluation board. One of several hickok cardmatic tube testers at leeds. Nutube amp kit, a vacuum tube in new century rev2 from. The filament is powered by a dc to dc converter, which consumes less electric current. The bass in uncharacteristic of tube amps in general, which tend to be flabby and bloated, even the five thousand dollar plus offerings. Available on a cdrom and a downloadable version 4 megabytes. This is the official evaluation board for the 6p1, made by korg it includes a nutube 6p1 mounted on a carrier pcb. Given the physical construction of the 6p1, it is estimated that the effective cathode voltage is midway. The winged c 6c19n tube also called 6s19, 6c19pi or 6c19p tube is a small power triode used in some highend amplifiers.
Nutube 6p1 special thanks to longtime reader larry owens for tipping me off about this new, new development. Here is the schematic in pdf form, and the parts list bom in pdf or xls. Also, i made a mouser bom with all the parts the access id is bbee51d8dc if the link doesnt work. The 6n1 tubes are compatible with our 20mm silicone antimicrophony. Find out in this blind tone challenge comparing the two tube technologies in a vox mini superbeetle and a vox ac4c112 sound comparisons. Nos russian versions are the best, but are scarce and expensive. A comparison of svetlana 6p1p left, 6p1pev and beijing electron tube factory 6p1 right the 6p1p russian. Monolith by monoprice liquid platinum balanced headphone. Normally this amp will contain heavy transformer a. Almost everyone has heard of a tube but may not know how they work.
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