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Matching Power and Driver Transistors - The Audio Pages ...
https://sound-au.com/transistor-matching.htm
For driver transistors, the 100 ohm range would be satisfactory, and for small signal transistors, use the 1k ohm range. Be very careful that you keep the current and voltage within the device ratings! The rotary switch on the supply is designed for just this purpose. Range: Measurement Scale 1 Ohm: 1A / Volt
Audio Transistors - ON Semiconductor
https://www.onsemi.com/products/discrete-power-modules/audio-transistors
onsemi supplies audio transistors for high power audio circuits.
What output and driver transistors are the high-end ...
https://www.diyaudio.com/community/threads/what-output-and-driver-transistors-are-the-high-end-manufactures-using.54362/
it would be interesting to know a little about what the high end solid state audio manufacturers are using for output and driver transistors for their high-end power amplifiers. Some people on the forum seem to like these output transistors: Toshiba 5200 / 1943 Sanken 1216 / 2922 Motorola MJ15022/13, MJ15024/25, MJ21193/94
Let's try the 3 transistors Audio Amplifier circuits (MONO ...
https://www.eleccircuit.com/lets-try-the-3-transistors-audio-amplifier-circuits/
First, enter the power supply to the circuit and the audio signal to the input terminal. Then, the audio signal coupling to through the C1 and R1 to amplifies by transistor-Q1. Which the Q1 is a first Preamplifier to increase a little signal up. Before sending it to Q2. Next, the Q2 is connected to the emitter follower circuit.
Amplifiers: Output stage - Lenard Audio
https://education.lenardaudio.com/en/12_amps_5.html
Output transistors are added to provide extra current to drive a speaker. Large output transistors only have a small HFE current gain, therefore driver transistors are placed in front of the output transistors to increase to total current gain to approx 200. Amplifiers that use power MOS-FETs do not require driver transistors.
4 transistor audio amplifier circuit - ElecCircuit.com
https://www.eleccircuit.com/4-transistor-audio-amplifier-circuit/
Each output transistor deals with one half of the audio cycle, one being cut-off when the other conduct. Next, the Q1 and Q2 transistors run as a pre-amp to increase the incoming voltage to drive the output pair. Then, at Q1 the bias of the whole circuit commences with the voltage divider made up of the 56K and 100K resistors.
Best sounding transistors - High-End Audio Discussion Forum
https://forum.audiogon.com/discussions/best-sounding-transistors
The designer actually designed the circuit with particular transistors in mind. but, amps like Bedini, Threshold, Mark Levinson (the older ones) can all benefit from upgrading of driver and output transistors to newer more linear ones. specifically, MJ21193 and MJ21194. keeping in mind the driver transistors also. much, much better sounding amps.
Bipolar Transistor Cookbook — Part 7 | Nuts & Volts …
https://www.nutsvolts.com/magazine/article/bipolar_transistor_cookbook_part_7
Bipolar Transistor Cookbook — Part 7. One of the most popular applications of transistors is in audio power amplifiers. This month we describe the operating principles of various circuits of this type and present a selection of practical audio power amplifier circuit designs. The installment concludes by presenting a practical 'scratch and ...
Best transistor to use for audio amplifier - Electrical ...
https://electronics.stackexchange.com/questions/97827/best-transistor-to-use-for-audio-amplifier
You can only drive the output transistors with a signal that is restricted to the power rails and if this is (say) 24V dc - you should be able to drive a signal that is 22Vp-p to the power transistors. Given that each BJT would "lose" 0.7 volts (because of the base emitter junction), the maximum output voltage will be about 20.6 volts peak to peak.
MOSFET driver transistors | Nexperia
https://www.nexperia.com/products/bipolar-transistors/special-feature-transistors/mosfet-driver-transistors/
MOSFET driver transistors - Aiming to reduce costs and board space requirements Our MOSFET drivers are ideal for power management applications. Offered in three different configurations and a small foot print, they can help you save both costs and board space.
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