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Grounded Grid Preamp - Transcendent Sound
https://www.transcendentsound.com/grounded-grid-preamp.html
So what is this "grounded grid" thing? Its a way of driving a tube that was pioneered many years ago in radio design. Its primary characteristics are very wide bandwidth and low noise. "So how does it sound?" The unit is blistering fast. The response is flat to 300 kHz. The high speed reveals every subtle nuance of the music.
10: The Grounded Grid Amplifier - Valve Amplifiers ...
https://rutlib5.com/book/30339/p/11
A grounded grid amplifier is inherently more stable, and the cathode as an input terminal is closer to 50Ω than a grid driven amplifier. For HF linear amplifiers the driver is normally a transceiver having an output power of around 100W PEP. If the grid driven amplifier were chosen the drive power needed would be a small fraction of this amount.
Real Grounded-Grid Aplifier - Tube CAD
https://www.tubecad.com/2014/11/blog0312.htm
This grounded-grid amplifier simply uses an active plate load, which could be replaced by a resistor. The top 12AX7 defines an active load resistance equal to rp + (mu + 1)680. The bottom 12AU7 defines an active load resistance equal to rp + (mu + 1)470. The negative feedback attaches at the bottom 12AU7's cathode resistor.
The grounded-grid linear amplifier
https://www.robkalmeijer.nl/techniek/electronica/radiotechniek/hambladen/qst/1961/08/page16/index.html
The grounded-grid amplifier has the input circuit between cathode and ground. The control grid acts as a screen between the plate and the cathode, making neutralization unnecessary in most circuits. The input and output circuits are in series and a …
Grounded Grid Preamplifier User Manual - DIY Audio Kit ...
http://analogmetric.com/download/Grounded%20Grid%20Preamplifier%20User%20Manual.pdf
amplifier is about 14dB. Since the signal grounding of this small signal preamp is very critical to determine the overall performance, there is a need to have good signal grounding which can reduce the noise distortion or addition to the original …
Aikido Grounded-Grid Amplifiers - Tube CAD
https://www.tubecad.com/2011/12/blog0220.htm
And in the last issue, I described an "Aikido" grounded-grid amplifier. And in my post on the Einstein's tube power amplifier back in 2006, I described my own Aikido-inspired amplifier for Einstein, which held three audio Aikido techniques, including a clever Aikido long-tail phase splitter. Moreover, I have explicated two different Aikido ...
An 811-A 200 Watt Grounded Grid Linear Amplifier
http://www.qro.it/amp/schemi/pdf/68hb187.pdf
200-Watt Linear 187 AN 811-A 200-WATT GROUNDED-GRID LINEAR AMPLIFIER The amplifier shown in Figs. 6-56, 6-58 and 6-59 requires about 15 watts of excitation power to drive it to full peak input (200 watts) on 3.5 through 30 MC. For convenience and compact- ness, the amplifier is completely self-contained ; silicon-diode rectifiers in the plate and bias sup- plies contribute …
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