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What is an audio buffer? – PS Audio
https://www.psaudio.com/askpaulvideo/what-is-an-audio-buffer/
The output current might well be larger than the input current, but the buffer isn’t a current amplifier because it doesn’t generate an output current that is a precise larger version of the input current. By contrast, a current amplifier with a gain of (say) 10 would take an input current of 1 mA and generate an output current of 10 mA.
Buffer Audio with an Op-Amp - Page 1
https://www.eevblog.com/forum/projects/buffer-audio-with-an-op-amp/
The problem came when I connected the audio amp AND the msgeq7 to the audio signal from my laptop. The audio amp made the signal level drop to a point that the msgeq7 was no longer making the light show I desired. My question is, can I buffer the signal coming directly from my laptop/cell phone using a unity gain op-amp?
1 Audio Amplifiers 2 Buffer Amplifiers/Driving Cap …
https://www.analog.com/media/en/training-seminars/design-handbooks/Op-Amp-Applications/Section6.pdf
2 Buffer Amplifiers/Driving Cap Loads 3 Video Amplifiers 4 Communications Amplifiers 5 Amplifier Ideas 6 Composite Amplifiers 7 Hardware and Housekeeping Techniques. OP AMP APPLICATIONS . SIGNAL AMPLIFIERS AUDIO AMPLIFIERS 6.1 CHAPTER 6: SIGNAL AMPLIFIERS Walt Jung, Walt Kester SECTION 6-1: AUDIO AMPLIFIERS Walt Jung
Op-Amp Audio: Realizing High Performance: Buffers (Part …
https://www.electronicdesign.com/technologies/analog/article/21774018/opamp-audio-realizing-high-performance-buffers-part-i
Op-Amp Audio: Realizing High Performance: Buffers (Part I) Sept. 1, 1998. In this and the next few columns, we will take a departure from the immediate past, and …
Op-Amp Buffer - Tufts University
https://www.eecs.tufts.edu/~dsculley/tutorial/opamps/opamps5.html
The buffer has an output that exactly mirrors the input (assuming it's within range of the voltage rails), so it looks kind of useless at first. However, the buffer is an extremely useful circuit, since it helps to solve many impedance issues. The input impedance of the op-amp buffer is very high: close to infinity.
operational amplifier - how to split audio with buffers ...
https://electronics.stackexchange.com/questions/197827/how-to-split-audio-with-buffers
I am split an audio signal coming from an op amp to both a line driver buffer and a VU meter buffer, as shown in the schematic. My trouble is in determining the correct placement and value of resistors R1 and R2 in order to split the audio signal without affecting the level.
VTV AMPLIFIER Stereo Purifi Audio 1ET400A - Which …
https://www.audiosciencereview.com/forum/index.php?threads/vtv-amplifier-stereo-purifi-audio-1et400a-which-input-buffer.25852/
I purchased the VTV buffer with Sparkos SS3602 op amp which I found to be much more agreeable. At the time I was driving the amp with Topping D90 thru a Schiit Freya + using the passive volume control. I also tried a few other op amps, OPA1612, OPA627, and Burson V6 Vivid, but I preferred the Sparkos to any of these.
Amazon.com: JSDZ DIY Kit 6N3 Tube Buffer Amp Audio PreAmp ...
https://www.amazon.com/Buffer-Audio-PreAmp-Amplifier-Board/dp/B00XQUR7QQ
Product Description The buffer will 6N11 tube horizontal mounting, especially for low chassis installation, power requirements are very simple and requires only a single 12V / 10W transformer, rose through the onboard screen very needed boost line voltage. Followed by good audio input , and an audio output cable can work! ! The buffer sophisticated materials, PCB solder black …
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