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6N3 (5670) Tube Buffer User Manual - DIY Audio Kit Developer
http://analogmetric.com/download/6N3%20%285670%29%20Tube%20Buffer%20User%20Manual.pdf
6N3/5670/2C51 tubes are used for two channel buffer with cathode follower configuration. Provide unity gain and double output power. The tube preamp come with low output resistance and provide high driving capability. For the DVD/HDCD/CD analog output , it produces sweet and deep audio sound after go through the 5670 tube buffer.
6n3 tube preamp schematic | 6N3 (5670) Tube Buffer User ...
https://www.au-e.com/search/6n3-tube-preamp-schematic
But if you want to DIY, I can sell you an assembled PCB, power transformer, and tubes separately Size is 12.5" wide x 12.5" deep x 4.0" tall and it weights a hefty 9#. see more info here : SP12 preamp a 4 tube line stage only preamp, plus tube power supply, basic PCB kit, assembled PCB, or full kit including all …
DIY Audio Projects Forum • Altering a 6N3 Hifi Buffer ...
https://diyaudioprojects.com/Forum/viewtopic.php?t=5097
Post subject: Altering a 6N3 Hifi Buffer Audio Tube PreAmp? Posted: 04 Feb 2015 5:50 am . Joined: 02 Feb 2015 4:50 pm Posts: 8 Location: Southwest AZ ... Anyone seen a schematic for one of these? Top . mwhouston Post subject: Re: Altering a 6N3 Hifi Buffer Audio Tube PreAmp? Posted: 04 Feb 2015 11:05 am .
6N3 'HiFi Buffer Preamp' = inexpensive tube preamp ...
https://homerecording.com/bbs/threads/6n3-hifi-buffer-preamp-inexpensive-tube-preamp.345240/
Note, the pictures aren't of my mod, just two I culled from diyaudio, to show the board I used (there are at least three different buffer circuits floating around ebay that use a 6N3, one looks pretty similar to this one, but has a tube rectifier, and another one is a relatively low voltage cathode follower circuit.)
Preamp for 6N3 tube | Page 2 | diyAudio
https://www.diyaudio.com/community/threads/preamp-for-6n3-tube.298090/page-2
I bought one of these (the red 6N3 "buffer board") to mess around with as a guitar and/or mic preamp. I eliminated the output pot. It seems to make sense to me to replace R5 with a pot, say 5k or 10k to attenuate by the amount of NFB rather than a pot on the input, especially if I put a step-up transformer on the input.
Buy HiFi Audio SRPP Circuit Preamp Valve 6N3/5670 Tube ...
https://sb.cicig.co/product/yiylwr8lh/hifi-audio-srpp-circuit-preamp-valve-6n3-5670-tube-preamp-bile-preamplifier-stereo-audio-tube-amplifier
(MEGA DEAL) US $16.36 10% OFF | Buy HiFi Audio SRPP Circuit Preamp Valve 6N3/5670 Tube Preamp Bile Preamplifier Stereo Audio Tube Amplifier From Vendor Hi IC Store. Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. Shop Quality & Best Amplifier Directly From China Amplifier Suppliers.
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