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Ax84 forum. I'm just placing things on the chassis right now.

  • Ax84 forum. Welcome To the Hoffman Amplifiers Forum October 01, 2024, 09:20:13 pm: Welcome, Guest. AX84 provides a discussion forum where tube amp lovers can work to create custom a tube guitar amp. A forum community dedicated to guitar owners and enthusiasts. Layout, lead dress, etc. I must have arrived there (AX84. 4 KB) It was taking up too much time so I decided to get back to a ‘known good’ circuit: the AX84 High Octane (the lower power version of my other build, the SEL). All trademarks are the property of FMIC. I want a drivertube with adequate voltage swing output, and low distortion. Hoffman Amplifiers Tube Amp Forum, 2-ch hybryd ODS/ax84 P1/Superlite 18W. #2. , 111 Peter Street, Suite 600, Toronto, Ontario Dec 30, 2009 · So I was casting about for an interesting single-ended amp design, and I looked in at AX84. to approximate the Mini Z. 04. It's a single ended EL84 amp, so less than 10 watts (probably about 5 watts) with two gain stages, and treble/mid/bass controls. com is not in any way affiliated with Yamaha Motor Company Jan 5, 2015 · Help: Designing ax84 P1 Extreme Based 2 Channel Amp I'm thinking of building a 2 channel amp based around a P1ex. Here is my conversation below on the other forum with the replies. Welcome To the Hoffman Amplifiers Forum October 27, 2024, 10:25:31 am: Welcome, Guest. com). COM content may not be reproduced without the express written consent of Chris Hurley (chrish at ax84. But I am a little confused about somethin on the circuit, and I wonder if one of you CONSTRUCTION February 4, 2006 (5 hours) Cost of Materials, including shipping and a few extras: $268. All I could find was left-over evidence that there Hey everyone, I finally completed the build of my first tube amp, it's a ax84 Hi-Octane (rev. This disturbed me (well, not that extreme,) so I went there. For a 5 to 10 watt amp, it's perfect for bedroom level cranking, even for the more Dec 24, 2019 · I know this isn't your question. The AX84 preamp circuit shown above is intended to drive one of the AX84 power amplifiers, which have an input impedance of about 1 meg - in the form of a 'master volume' pot. My electronics skills are good, but I am still a little new to tube amp theory so I need some guidance. There was an announcement from Chris Hurley about SE transformers, a link to the AX84 archive, and a link to the new "Guitar Amp Builders Forum. Please login or Jul 27, 2018 · Have you searched the AX84 forums for answers to your questions you are having? This amp has been built many times over there and discussed quite thoroughly in the House of Jim - Has board layouts on lots of AX84 Projects and more AX84. For those of you that have never heard of AX84 or the HiOctane design, it's a high gain type of amp for heavy metal/extreme gain sounds. com in general are all about. Sep 23, 2016 · 2016-09-26 3:06 am. So you won't be able to use it to boost the signal. Prefer something fairly common, i. I'm taking a 12VDC input and using an SMPS instead of a power transformer, so that helps a lot with both size and cost. com) at least fifteen years late to the party, I think, because I felt a bit like an archaeologist on a dig. Basically I wanted to make a tube amp as cheap and easy to build as possible while still getting a good sounding result. Mar 16, 2023 · This is basically a Firefly from the old AX84 project with minor modifications. Mar 29, 2020 · AX84 High Octane build. are critical (to say the very least) in high gain amps. 07. Content on wolverineforums. [/quote] I'd love to do something like that, but circuit operation isn't my strong point. The Fora platform includes forum software by XenForo. Build Thread . I know AX84 played an important role to DIY guitar-amp builders at one time, somewhere in the early days of the public Internet. A very smart guy at the AX84 amp building forum designed this and it has been tweaked and tuned since into a very fine sounding preamp. Donations. Jan 8, 2011 · AX84 P1 exteme with mods. VerticalScope Inc. I got the board built and put some of the hardware in the enclosure. it was a great ride. Many say there is no point in using a tube rectifier with SE, but I wanted the option to use different 5y3, 5v4, 5ar4 to get different voltages. com. Jul 25, 2006 · [quote author="Flatpicker"]Why not just use the power section of a single-ended guitar amp with one common cathode stage in front of that? Sort of like a Fender Champ with only the 2nd half of the 12AX7. You can still get to the schematics developed by the community though. House of Jim - Has board layouts on lots of AX84 Projects and more AX84. Dec 20, 2008 · Forums ; Perform ; Amps ; ax84 single ended lead project ax84 single ended lead project. Hoffman Amplifiers Tube Amp Forum, ax84 SEL with FX Loop. ' Aug 2, 2023 · Single 12AX7 and a single EL34 amp. I have seen several schematics, but many have different driver tubes. Jul 15, 2007 · AX84 High Octane build. Jul 15, 2001 · THIS IS THE 25th ANNIVERSARY YEAR FOR THE LES PAUL FORUM! PLEASE CELEBRATE WITH US AND SUPPORT US WITH A DONATION TO KEEP US GOING! We've made a large financial investment to convert the Les Paul Forum to this new XenForo platform, and recently moved to a new hosting platform. Mar 3, 2009 · It may have been the AX84 site I found the "Decimator", using a P-P 12AU7 and spec'ing the Hammond 125A. That was an absolutely FANTASTIC resource for amp building. 10. com is generated by its users. A forum community dedicated to guitar owners and AX84 provides a discussion forum where tube amp lovers can work to create custom a tube guitar amp. AX84. Guitar used, Fender Mustang with humbuckers so pushing the front a bit more than a single coil. Comments 21 Responses to “2W Trainwreck Express” Jan 27, 2009 · I posted this on the AX84 forum and someone suspects the screen resistors, but I'd like a second opinion because I have to special order high wattage resistors because I don't just have those lying around like I do the smaller wattage. But it is possible to use it as a clipping stage. I scared my wife half to death when I moved the wire coming from my Bass pot to the mid switch. Welcome To the Hoffman Amplifiers Forum November 03, 2024, 04:45:21 pm: Welcome, Guest. Please login or register AX84 provides a discussion forum where tube amp lovers can work to create custom a tube guitar amp. Or, you could get and mod a Valve Jr. We welcome new projects, especially when accompanied by an energetic "product manager" who can help usher it to completion. Mar 28, 2020 · I'm rolling on a build from the AX84 web site called the "High Octane". Dave Sorlien's photo of his assembled AX84 amp Jan 2, 2024 · I used the AX84 5 Watt power amp choke filter option, but with a tube rectifier. I implemented star grounding (complicated slightly by the VVR) with help from the AX84 forum members, detailed here. If you have ideas for something that is not underway, feel free to post a forum message or send feedback. From Advice I received from Jazbo8 on the ax84 forum (he originally sent me here when I was looking for a 5879 build- Thanks Jaz!), I chopped-sticked my build last night with the knobs dimed to find the source of the High pitched wailing. Welcome To the Hoffman Amplifiers Forum October 30, 2024, 01:33:25 am: Welcome, Guest. Check out the Ampage, AX84 Forums, etc. com and encourage you to dig in and see what the Tone Brewery and AX84. It is coming along really fast so far. Marshall sounding JTM ish. --- Last Generated: Mon, Mar 11th, 2002 @ 08:21. Welcome To the Hoffman Amplifiers Forum November 01, 2024, 07:21:57 am: Welcome, Guest. - alpha pots 24mm. Nov 8, 2017 · The Fender Forum is a privately owned and operated site. - Alphawire in 20awg / 600V for everything except the heater filament. Sep 7, 2006 AX84. AX84 Projects : This section contains the current AX84 Projects. Links Aug 11, 2012 · Re: AX84 SEL KT88 build Post by toadpipe » Sun Aug 12, 2012 6:28 pm sepulchre wrote: One other thing I thought of: Most octal power tubes like KT88 and 6L6 have Grid 3 internally connected to the Cathode. By brian_ward December 20, 2008 in Amps. Jul 7, 2024 · Man it's really too bad the old AX84 forums are defunct. Navigation : (now an AX84 Project in its own right) has been . We welcome all new participants to AX84. Add a clean preamp channel. Hoffman Amplifiers Tube Amp Forum, 5879 Preamp With Ax84 P1 SE. 70 (18% of cost was shipping!) After several weeks of reviewing the plans, lurking on the AX84 forum, scouring the web for construction details, scrounging for parts, and acquiring a nice drill press, I started building. com is now entering a new era with the advent of the AX84 Nov 7, 2005 · How do they sound, especcially the higher gain stuff like the P1 extreme or the hi-octane? How much preamp gain do give off compared to a popular amp model? Are they bright or dark sounding? Hoffman Amplifiers Tube Amp Forum, AX84 SEL 6BM8. com is an independent Yamaha enthusiast website owned and operated by VerticalScope Inc. Aug 9, 2001 · I'd check out the AX84 forum, where you can build a very similar, simple amp, for less than you can buy the Mini Z. Please Jan 24, 2015 · is the AX84 amp site closed down ?? i wanted to see if they had scems of their lower wattage project amps or is there another source AX84 provides a discussion forum where tube amp lovers can work to create custom a tube guitar amp. If you have an interest in a project which is not listed, please feel free to post a message to the discussion forum and see if there is any interest. com offers many low-wattage amp designs, but I finally decided to go with FireFly, a one or so watt hi-gain amp which offers good cranked tone at bedroom level and is not too complicated to build for a newbie. Come join the discussion about collections, displays, models AX84 provides a discussion forum where tube amp lovers can work to create custom a tube guitar amp. I realize that the wayback machine has everything so there is no reason to host a copy here anymore Dec 17, 2013 · The AX84 project is single ended (single power tube), the SEL is an evolutionary step in the design and build. And I'm not sure about what a power tube Here's Chris's response to a question regarding the use of the AX84 name on an amp: ``It is my intent that there are no finished AX84 amps. Will keep posting progress. I'm just placing things on the chassis right now. Jul 12, 2006 · I finished building the "Hi Octane" amp as designed/found on AX84. To be consistent, Doberman [Chris's amp kit company -Miles] doesn't sell AX84 branded amps either, or any AX84 logo'd items at all- no faceplates, no chassis, no t-shirts. - Switchcraft input and output jacks, isolated from the chassis with plastic shoulders. Punched the chassis, ordered the parts from Mouser, did the PTP wiring. Apparently, while the EF86's are effective voltage amplifiers, as are tridodes, the voltage amplification factor on power tubes is alot smaller. AX84 4-4-0 project page AmpGarage Forum – great Trainwreck info. 2011 14:28 v plexi modu to hraje ciste asi tak jako hi-octane, kdyz se do nej dodela prepinac, co vypina jednu triodu ze signalove cesty. It wasn't my design, but I built it kinda from scratch. Start new topic; Recommended Posts. Please login or Hoffman Amplifiers Tube Amp Forum, AX84 High Octane build . Dec 8, 2005 · There was a discussion on the topic on the AX84 forum. Here's what I want to do: 1. All messages on this forum express the views of the author and do not necessarily reflect the opinions of The Fender Forum and/or it's administration. The Fender Forum is in no way affiliated with Fender Musical Instrument Corporation. The AX84 project: a low-power tube amp kit The AX84 Website - includes pictures, sound files, and discussion forum. Nov 7, 2005 · How do they sound, especcially the higher gain stuff like the P1 extreme or the hi-octane? How much preamp gain do give off compared to a popular amp model? Are they bright or dark sounding? AX84. Please Feb 26, 2010 · So I started my AX84 P1 eXtream project today. May 7, 2023 · I want to build a single ended ultra linear el84 amp. Mar 26, 2003 · By the Bench. Welcome To the Hoffman Amplifiers Forum October 16, 2024, 08:33:38 pm Aug 21, 2005 · I would highly recommend searching the forum as there was an in-depth thread regarding higher gain mods. Please feel free to browse the site and become aquainted with the project. Here's what I used for it: - 1/16th inch aluminum chassis. " I see the old AX84 projects are all still there. Nov 23, 2020 · Hoffman Amplifiers Tube Amp Forum, 18W Plexi with EL84s? Welcome To the Hoffman Amplifiers Forum November 04, 2024, 08:10:52 pm It's been done - the AX84 November: Apr 11, 2006 · i have played an firefly before it went ax84 and i wasnt really impressed, it had this tone i really disliked, maybe it was the speaker, maybe it was the amp, i dont know. DI through Two Notes Captor into Logic. I found an intriquing pre-amp design, using two differently-voiced triodes in parallel for the first stage. Could be a dual triode, or some other tube. I need to go out and get some Locktite and some rubber grommets before I get serious about the transformers. Opinions? 01-08-2011, 05:21 PM I have posted all this in the AX84 forum, but I think, the more opinions on my schem, the better! House of Jim - Has board layouts on lots of AX84 Projects and more AX84. 'Plate voltage on output valves is low. This is an open project! AX84. Jul 14, 2011 · Re: Hi-octane z AX84 Příspěvek od lunchie » 19. This will be my first AX84 build, we'll see how it goes. Navigation : Home; Contains forums on guitar amps, guitars and AX84 Projects : This section contains the current AX84 Projects. Feel free to visit the AX84 website for schematics and AX84 provides a discussion forum where tube amp lovers can work to create custom a tube guitar amp. This preamp will not work successfully if driving a much lower impedance solid-state power amplifier. Worked first time I powered it up, highly unusual and a tribute the the support on the AX84 site. available The Fora platform includes forum software by XenForo. I realize that the wayback machine has everything so there is no reason to host a copy here anymore Oct 23, 2007 · Hmm, I now see what you mean, there is a statement in red letters "AX84 is staying put right here for the foreseeable future! I think the red letter text wording is left over from about a year ago when Chris stated his intent to end the forum, and then on 6/5/17 announced he was keeping it open. wolverineforums. 04). I built a P1ex already, and loved the tone. Feb 26, 2009 · So last weekend I modded the preamp again, this time using the AX84 "Uber Preamp" as a template. json (81. This is an ultra-high gain preamp with a similar sound to a 5150/Soldano or etc, but IMO it is superior. I think it would have been a big loss. We also have ongoing monthly operating expenses. Set up as a pedal platform so just a little bit of break up. e. com has been dormant for many a year. Nov 30, 2005 · I built the AX84 p1. Clean AX84 P1. Given the connections shown and looking at the tranny spec, the plate to plate resistance is ~5600. rrczvu nziakv zxc pcveuxi gzer cdx grwz yvdhbys tgv enqgbemt