The Magnetic Amplifier

It was the magnetic amplifier. Rugged, dependable, EMP-proof, and capable of handling greater electrical powers than either transistor or tube, the magnetic amplifier is a simple device that can be built by anyone. By the 1950s, the magnetic amplifier was …
( read original story …)

Related Post

BAT VK-300x SE Stereo Integrated Tube Amplifier Fa...
views 0
Other Notes: Refurbished to factory specifications; full warranty in effect. Integrated MM phono stage included. "The VK-300x output stage is a symmet...
Podium Pro VX2000 DJ PA Band or Karaoke 2000 Watt ...
views 4
This VX2000 is a high performance two channel amplifier intended for professional sound reinforcement and specially designed for all DJ, PA, karaoke a...
Jolida Audio – FX 10 Integrated Tube Amp Sil...
views 0
Jolida's brand-new FX10 all-tube integrated amp is so sweet! Amazing performance and gorgeous looks shouldn't be this affordable! With two 12AX7 input...
Audio Research Vsi60 Tube Integrated Amplifier (87...
views 2
Offered today by The Music Room: One Audio Research VSi60 Integrate Tube Amp. This product has passed all of our rigorous quality assurance testing an...
Little Bear B3 Portable 5899 Tube Headphone Amplif...
views 3
Focus function: 1, Powered by USB or Battery, you can use the headphone and charging battery at same time. (When you goes outside. Use the power ban...
Nobsound NS-08E Vacuum Tube Integrated Amplifier M...
views 0
Specifications: Output power: ≥1100 mW (32 ohm) Headphone Adapter Impedance: 18-600 ohm Total harmonicSale Price:$50.00Read More
Pyle P3001AT 3000W Hybrid Pre Amplifier with AM/FM...
views 0
Pyle-pro p3001at hybrid amplifier & am/fm tuner (3000w)inputs: 2 rca ; outputs: banana binding post to speakers; 1 dedicate rca record line & 1 rca pr...
Marantz MM8077 7-Channel Power Amplifier + Marantz...
views 0
Designed for the ultimate music and movie surround sound experience, the Marantz MM8077 7-channel power amplifier delivers power and detail, and is ra...