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Direct Coupled Amplifier - Tutorialspoint
https://www.tutorialspoint.com/amplifiers/direct_coupled_amplifier.htm
Direct Coupled Amplifier As no coupling devices are used, the coupling of the amplifier stages is done directly and hence called as Direct coupled amplifier. Construction The figure below indicates the three stage direct coupled transistor amplifier. The output of first stage transistor T 1 is connected to the input of second stage transistor T 2.
10. DC (DIRECT-COUPLED) AMPLIFIERS
http://www.ee.usm.maine.edu/courses/ele343/343%20Class%20Notes-Handouts/Lecture%20Notes/5.%20DC%20Amplifiers/10.DC-Amps-X.pdf
DC (DIRECT-COUPLED) AMPLIFIERS üAC COUPLED SMALL SIGNAL AMPLIFIERS ADVANTAGES: 1. Signal, load and the amplifier bias are separate. One can work on the bias calculations stage by stage w/o worrying about an interaction with the signal source or the load. 2. No dc current flows through the load or through the signal source.
Are direct coupled audio amplifiers still produced ...
https://electronics.stackexchange.com/questions/493590/are-direct-coupled-audio-amplifiers-still-produced
That includes DC resistance (DCR): most 8 ohms loudspeakers have 6 ohms DC resistance and 4 ohms speakers have about 3 ohms DCR. So your coil should have at least 3 or 6 ohms DCR to suit an amp specified for 4 or 8 ohms speakers. Next is inductance. Lots of audio amps play fast and loose with the safe operating area of their output transistors.
A Direct-Coupled Amplifier with ... - DIY AUDIO PROJECTS
https://diyaudioprojects.com/Technical/Papers/Direct-Coupled-6V6-Cathode-Follower-Amplifier/
Complete schematic diagram of direct-coupled 6V6 cathode-follower amplifier. There are two features that give this amplifier its superior performance. One is direct coupling between the plate of the 6SJ7 and the grid of the 6V6. The other is …
Direct coupled outputs - PS Audio
https://www.psaudio.com/pauls-posts/direct-coupled-outputs/
All this aside, what modern companies like PS Audio do is called Direct Coupling. This is where there is no output coupling capacitor to concern ourselves with and is how many modern amplifiers and preamplifiers operate. Direct …
Direct coupled… - PS Audio
https://www.psaudio.com/pauls-posts/direct-coupled/
Solid state output stages–at least those after the 1970’s–are all pretty much direct coupled to speakers, preamplifiers and power amplifiers. And it is believed that the lack of another element, like a capacitor or transformer, helps the sound. Thus, manufacturers advertise the fact their products are Direct Coupled.
Audiogon Discussion Forum
https://forum.audiogon.com/discussions/someone-please-explain-direct-coupled-amps
A Direct coupled amp has response down to DC: which means that if you put a constant 1 volt on the input you will get a constant 25 volts (or so) at the output. The idea of a using a direct coupled amp for music is not entirely logical, since the music only goes down to …
Best sounding 2A3 Single Ended Tube Amplifier | Class A ...
Trust Your Ears When only the best is good enough any of our 6 models of 2a3 SET amplifiers are built with the same care and attention to the sound. Direct Coupled – Capacitor-less design. The audio path is completely free of Class AB switching artifacts, Class D high-frequency noise of transitions between output pairs of devices.
Keroes: Direct-Coupled amplifier - diyAudio
https://www.diyaudio.com/forums/tubes-valves/220015-keroes-direct-coupled-amplifier-4-print.html
One of the best combinations I've ever heard was a pair of Quad ESL-63s driven by a fully regulated (and heavily) modified McIntosh 240. It still is one of my "mental" benchmark systems, and I've heard plenty of Altec based horn systems done right.
Direct-coupled or capacitor-coupled inputs? - Polk Audio Forum
https://forum.polkaudio.com/discussion/39108/direct-coupled-or-capacitor-coupled-inputs
The direct-coupled amplifier is not very efficient and the losses increase as the number of stages increase. Because of the disadvantages, direct coupling is not used very often. RC Coupling or Capacitor Coupling The most commonly used coupling in amplifiers is RC coupling.
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