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Single-Ended Class-A Tube Amplifier Design and Construction

    https://diyaudioprojects.com/Technical/Papers/12AX7-6V6-Single-Ended-Class-A-Tube-Amplifier-Design-and-Construction.pdf
    Abstract—The design and construction of a single-ended class-A amplifier is presented. By employing the use of tube technology and transformer coupling, a musical sounding amplifier is devised taking advantage of 2nd order harmonic distortion and a shortest possible signal path. Index Terms—Class-A, Audio, Electron Tube I. INTRODUCTION

AUDIO TRANSFORMER DESIGN FOR TUBE AMPLIFIER WITH …

    http://www.standardsuniversity.org/wp-content/uploads/audio_transformer_design_tube_amplifier_pichkalyov_final_paper.pdf
    The cost of a tube amplifier mostly consists of the cost of an output transformer and tubes that is usually a factor limiting the sound quality. Audio transformer is the primary part of a tube amplifier which generates an electromagnetic field. The objective of this project is to develop an output transformer for single-ended tube amplifiers with

Audiogon Discussion Forum

    https://forum.audiogon.com/discussions/amperex-6dj8-tube-construction-2
    Joe’s Tube Lore refers to the A frame type but that tube by construction does not have the ususal type of shield as earlier tubes (like the one on left picture). No, Joe is describing the tube on the left in the picture in the section I quoted. The A frame tube has a getter (not a splatter shield) supported by 2 angled, wide metal supports.

DIY AUDIO PROJECTS - Do-It-Yourself Hi-Fi for Audiophiles

    https://diyaudioprojects.com/
    High Fidelity Tube Junk Box Audio Amplifier - 10 November 2019 Bruce Heran outlines the design and construction of a High Fidelity Tube Junk Box Audio Amplifier (JBAA). The schematic is similar to the PoddWatt design and able to use a huge variety of tubes. The JBAA tube amplifier can use a 12AX7, 12AU7, ECC82, ECC83, 5751, 12SL7 or 6SL7 in the ...

12AX7 Tubes in Stock - Audiotubes.com

    http://www.audiotubes.com/12ax7.htm
    These were selected tubes for Bell & Howell audio visual equipment. Nice tubes, similar to Mullard in construction. All are Bell & Howell stock, Japan made at the Matshushita factory, which was set up by Mullard U.K. All better than the junk being made today, at a lower price! $50.00: out of Stock: 12AX7 / 7025 Japanese made. New Old Stock in ...

10 Hours of Construction Sound - YouTube

    https://www.youtube.com/watch?v=AB4Ov9t4aq4
    Welcome to Sunville Sounds!If you enjoyed the video, please leave a Like, Subscribe or let me know in the comments!Watch more of this channel: https://www.yo...

Tube DIY Kit

    https://tube-diy-kit.com/
    Vacuum tube radio constructors from Tube DIY Kit: Affordable and cheap electronic DIY kits of beginner and intermediate difficulty levels with the help of which it is easy to understand the processes that occur in the depth of the vacuum tube circuits and get satisfaction from the construction that you have built and tuned on your own.

Construction 25W single-ended Class A tube amp circuit ...

    https://www.pinterest.com/pin/562457440946027022/
    This circuit is under:, audio, vacuum tubes, Construction 25W single ended Class A tube amp circuit diagram EL156 l60295 Danji mellow, transparent, natural sound, sweet, sincere, tireless listening to long, full of humane color. In building a harmonious and beautiful life, …

The ’12AT7′ Tube - Effectrode

    https://www.effectrode.com/knowledge-base/the-12at7-tube/
    The ’12AT7′ Tube. The 12AT7 is a miniature, high-mu twin triode designed for use as a grounded-grid radio-frequency amplifier or as a combined oscillator and mixer at frequencies below approx 300MHz. This tube has a mu factor of 60, as compared to the higher gain 12AX7 with a factor of 100, and the 12AU7, with a mu of only 20.

Tubes 201 - How Vacuum Tubes Really Work

    http://www.john-a-harper.com/tubes201/
    The extreme case of close spacing is the WE417A (or 5842), which achieves a record value of G m for a small tube (25 mA/V) by very close construction. For this tube, at low currents the virtual cathode actually reaches the plane of the grid.

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