Diyaudio b1 korg. more Everything you need to complete your B1K project: Korg Nutube B1K Essentials Kit B1K Supplementary Kit B1K Chassis While I was building the Aleph J, I also became intrigued by another recent Nelson Pass DIY project, the B1 with Korg Nutube Triode. The B1K Everything you need to complete your B1K project: Korg Nutube B1K Essentials Kit B1K Supplementary Kit B1K Chassis First listening test. The Sansui is more laid back, smoother with more bass but not as defined at the low end. 5x2. This thread is exclusively for feedback about the "pioneer" batch of Korg B1 completion kits and chassis. I bought the board and design from DIY audio store and it is based on Nelson Pass design from 2017 Burning amp I've had six weeks to listen to the Balanced version of the B1 Korg preamp, to compare to the B1 Korg preamp. 5k (or so ) on some positions. (The gorgeous red PR9372 from Precision Resistive Products) The silver Does the SMPS filter from the DIYaudiostore have a big effect on a stock Korg B1 unit (with the stock walwart power supply)? I'm thinking of getting one and incorporating it into Good luck either way, that B1 Korg is a fantastic gift from Papa, with some but limited tuning potential re parts swap - but then don't forget the voltage bias allows also lot of First Watt B1 Triode review are on line 6moons: audioreviews FirstWatt B1 with Nutube and Nutube we can buy from RS Nutube 6P1 | Tube thermoionique double triode Measure the voltages at the test points outlined in the B1 Korg manual. We're also gathering interest in a full kit, which is currently at the prototype stage, and you can register interest on this page. Thank you for all your work on this project. It's a V1R1 version. . 22uF for You can buy the Caps and Resistors necessary from the completion kit for a lot less. Click to expand Welp, although I got held Apparently the B1 Korg wants to see some load, so 10k is probably as low as you want to go as it is likely to load the B1 korg with 2. to buy and upkeep. Wadia . Hold on a minute, I didn't buy This is the build guide for the Korg Nutube B1. Please note: The photos in this guide were made using the pioneer batch chassis which had vents in the covers. For example, make all Here is a built of the Korg Nutube miniature triode amp. I don't mind Member Joined 2012 2018-03-08 2:02 pm #124 Nutube price is low if buy one 60 pcs. Is it optimal to have normal phase output in The cd at that time was quite the limiting factor, good ones is quite expensive . I was using the M2X amplifier and B1 Korg preamp for Just received my B1 KORG PCB after the store restocked them. even 2nd . If you put HI broennimannrainer Been listening to the Sansui AU-317 and the B1K. It's got the stock So I have the power supply and the film caps installed. I recently built a preamp kit: the Nelson Pass-designed KORG Nutube B1 preamplifier. The production run of B1K Designed by Nelson Pass. Color coding helps you along as well. meridean , then esoteric, McIntosh marantz . The @Zen Mod Soft Heat regulator is I finished my B1 Korg Triode preamp today, I had a four position select switch in stock, so 4 inputs. Yet, it have a pleasant Pre-orders for the production run of the Korg Nutube B1 complete kit are now open. 5 barrel connector for the connection if I'm not mistaken. The filter board then bolts on The B1 Korg is a fantastic unit, very flexible and forgiving 🙂 Good luck Claude PS : getting absolute polarity with HP use can be a prob I've decided to buy another Korg B1 to use as a buffer between the head unit in my car and the DSP to make for some tube sound in my three way front plus subwoofer in the I just rotated the B1 Korg back into my second system, and it's doing its job, adding that tiny bit of second-order harmonic romance I need in that system. We are doing things a little Member Joined 2018 2018-12-21 10:53 pm #464 Pass B1 Korg I would also like to purchase a 2SK 170 configured board. No harshness at all with "my" Tocos, and very faithfull treble compared to a refence set up (directly soldered resistors). Not a "traditional" tube, but a dual triode Having built several DIY projects, I assembled this kit over a weekend and used Duelund DCA20GA Tin-plated Copper wire for all Look at Nutube inspired top notch DIY designer Akihiko Kaneta. No ringing at all but Hi Frank, As mentioned in the posts, the 2 first caps in the signal path are B1 Korg related and in no relation whatsoever with the following power amp. ALPS volume control, and a 0 -15v meter on the front panel for T7 - T8 The change was from Pete's 475K to Papa's B1 Korg recommended 332K. I stand corrected and will go with $100 total investment. First, the hardware, I purchased two sets of PCB w/FETS and Korg Triode tubes from the diystore. Are they still good? Some pictures of your build may be helpful. Thanks in advance. to name quite a few I also went overboard and used a heavy hardwood block (to add mass = damping), double sided gel nano tape, soft wire to lift the Korg triode off the board. You CAN use 0. In case you lok for the "truth", it is neither complicated nor Originally Posted by Soundhappy Maybe we can buy DIY pcb's version with Korg Nutube in DiyAudio Store in near future ? Korg Nutube B1 Full Kit – diyAudio Store I assume that this is to allow for possible paralleling of the JFETs to allow for higher currents or enhanced transconductance as Erno SOLD B1K complete kit, Silver faceplate, PCB already stuffed with resistors. First Watt B1 preamp with Korg Triode Designed by Nelson Pass. Korg B1 driven by ZM Ironpre Bal. Then I did some listening and settled on around 10 VDC on the plates (a bit less 2nd harmonic than Tonight, if things go as planned, I intend to take an in-room measurement with my phone of the BA3, then the B1 as is, then the B1 with some extra uF attached in parallel to the The Korg B1 has left me with the perception that I am experiencing a much improved performance from both CD and Vinyl, with the CDT and DAC now at a level that is In other words, get rid of RK27 circuit board, tie all grounds together, and run separate leads for inputs/outputs. One example of hybrid preamp with SIC Mosfet's He do many others with Korg triodes. This thread is for "How to build a Balanced B1 Korg Triode" preamplifier. If you put a volume pot after the Korg, you do have some control over the amount of distortion, that is to say you can increase it, as it goes up with level before the pot. ) Of course that 10dB plus a little bit more than it needs. Which is available to buy at the DIYAUDIO STORE. If you have any questions about the pre-order process, kit composition, etc please ask them over in the Is this something I can do for extra credit if it may benefit the Korg B1 diyaudio community? I'm willing to give it a try. B1 pre-amplifier which uses Korg Nutube to generate 2nd harmonic distortion. I ordered another board and tube to populate and put into the original DIYaudio B1 Korg chassis. The pre-amp has become a favorite of DIYers everywhere. I can eventually compare The input to the Korg Nutube B1 is 24 VDC and the store kit uses a 5. (I don't have input pots at the moment. A simple question - does this preamp accommodate a low-output MC cartridge? I use one such phono cartridge from AudioTechnica. box, taxes no included : Nutube 6P1 | Korg Nutube I 3D printed a beam to mount the filter board in the Korg B1 chassis that simply slides into the rail slot on the chassis with a tight interference fit. More details on First Watt website. At the Burning Amp Festival (BAF) in 2017 Nelson Pass presented a pre-amp using the Korg Nutube dual triode. Can't wait to get all the necessary parts for this project! I am interested in this build, awaiting the full kit from the store: I am confused about the effect of phase in Nelson’s article H2 Harmonic Generator. B1/Korg PCBs + JFET s are now back in stock. el6 kgi ays 6lno q7u fnh vfg aibux p7 sjtz