Diy Audio Tube Buffer

Tube buffer | diyAudio

https://www.diyaudio.com/community/threads/tube-buffer.3491/

And no, a tube buffer is not an easy start. A proper working tube buffer/cathode follwer needs some constant current device as load, else it sounds like junk. Even then the CF load should be 5-10 times the followers output resistance and as real/resistive as possible. There is a thread "12AX7 as cathode follower" or the like.

DIY Audio Projects Forum • Tube Buffer Amp

https://diyaudioprojects.com/Forum/viewtopic.php?t=4144

The graphic eq uses XLR's for input and output and because of this I have to use a sound craft mixing desk as I can connect it to the graphic using the XLR's. I would like to remove the mixing desk from the audio path and use something else such as a tube buffer amp or some kind of passive preamp using transformers.

Tube Buffer? 12ax7? | diyAudio

https://www.diyaudio.com/community/threads/tube-buffer-12ax7.161829/

Isn't it a bit of a waste to bother with a tube buffer when you're connecting it to a solid state CD recorder? I'd be there's a fair amont of "consumer grade" electronics in that recorder. If you're a DIY type of guy, I'd just use a simple opamp buffer. Otherwise using the line stage of a preamp or receiver to buffer it would work too. Regards, Jim

A2 Buffer - Pete Millett's DIY Audio pages

http://www.pmillett.com/A2_buffer.html

AC-couple the signal into the input with a coupling cap. The output will track ~4V lower than the input. A simple resistor to ground will give you about -4V on the output, which works well for quite a few "zero bias" transmitting tubes. Here is an example of how it's hooked up (showing driving the grids of an 815):

DIY Audio Projects Forum • K295 stereo JAN6418 tube buffer ...

https://diyaudioprojects.com/Forum/viewtopic.php?t=2903

After great success with the K272 tube preamp / headamp kit from Oatley Electronics in Australia, Branko, owner and designer, has come-up with a tube buffer kit. After some discussion with me on what I thought DIYers wanted in simple tube kits Branko decided a buffer rather than a preamp may work better in hi-fi.

Do tube audio buffers work? – PS Audio

https://www.psaudio.com/podcast/do-tube-audio-buffers-work/

Audiophile on a Budget? FX-Audio Tube-01 Is the Best Tube ...

https://geardiary.com/2017/12/01/audiophile-budget-fx-audio-tube-01-best-tube-buffer-money/

It certainly can be used as a buffer for any audio device, but it also has a volume control. That makes it more than just a "buffer", it is a full fledged (tube-buffer) preamp. You can take your CD Player or DAC right into this, then into an amp. Using it as just a buffer, would be a bit odd, in that you would have 2 volume controls.

Do tube audio buffers work? - YouTube

https://www.youtube.com/watch?v=ZysLKLuEnYI

Is it advisable to add a vacuum tube buffer between the preamp and power amplifier to sweeten the sound, and is that something worth doing? Have a question y...

Tube Buffer Preamp Design | Page 2 | diyAudio

https://www.diyaudio.com/community/threads/tube-buffer-preamp-design.326689/page-2

Here's my contribution to the simple tube buffer pile (12AU7): Muchedumbre Buffer Preamp – wauwatosa tube factory No fancy parts or tricks; just a cathode follower. Buffers make good preamps in my experience. Like you, I've found that most tubes have too much gain as grounded cathode amplifiers.

DIY Audio Projects Forum • Integrated tube buffer/pre amp

http://www.diyaudioprojects.com/Forum/viewtopic.php?p=19244

Hi everybody, I am not a friend of running tubes at such low voltages, this is a hybrid so it probably does work, but to get the finer aspects of tube sound, to experience the completeness of tube amplified music, tubes should be operated in their sweet spot or at least close. 100 volts on the plates of the 12AU7 (ECC82) seems like a good choice.