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OK audio gurus: What are the highly regarded FET-input …
https://www.eevblog.com/forum/projects/ok-audio-gurus-what-are-the-highly-regarded-fet-input-op-amps-these-days/
OP, with audio op-amps most EE's are datasheet designers- using a few listed numbers to compare parts. In that regard, a 5532 is all you'll ever need as Douglas Self proclaims. Going beyond the datasheets, even as far back as 1987 it was known op-amps have many important traits not characterised on their datasheets.
Audio FET & Op Amp IC Kit #1 (#1145) | NightFire ...
https://vakits.com/audio-fet-op-amp-ic-kit-1-1145
MPF102.pdf. This is the Audio FET & Op Amp IC Design Kit #1.It includes 8 pieces of the very popular 2N5638 FET and 4 pieces of the National Semiconductor LM/UA 741 Single Op Amp in a DIP-8 package. These are two very popular Audio semiconductors on the planet and have been found in countless Audio schematics.
OPA1654 data sheet, product information and support | …
https://www.ti.com/product/OPA1654
Quad sound plus low noise and distortion, general-purpose, FET-input audio op amps. Data sheet. OPA165x SoundPlus™ Low Noise and Distortion, General-Purpose, FET-Input Audio Operational Amplifiers datasheet (Rev. B) Online data sheet.
JFET Input Op Amps | Analog Devices
https://www.analog.com/en/products/amplifiers/operational-amplifiers/jfet-input-op-amps.html
Analog Devices JFET input op amps or FastFET™ high speed (>50 MHz) input op amps provide high input impedance and ultralow input bias currents for high speed applications. The majority of our FET input op amps feature wide supply ranges from +5 V to ±12 V or higher and feature rail-to-rail outputs enabling wide dynamic range.
OPA165x Ultra-Low-Noise, Low-Distortion, FET-Input, …
https://www.ti.com/lit/ds/symlink/opa1656.pdf
Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. The FET-input architecture achieves a low 2.9‑nV/√Hz voltage noise density and 6‑fA/√Hz current noise density, allowing for very-low noise
Clean boost sound difference--Opamps vs. FET?? | The Gear Page
https://www.thegearpage.net/board/index.php?threads/clean-boost-sound-difference-opamps-vs-fet.156549/
Back to the original question, I have to wonder which (op amp v. FET) is most naturally transparent? I have built the Orman mosfet booster and can attest that it is absolutely transparent and natural sounding - a worn out cliche applies - "your amp but louder." It can also goose your amp really nicely and add warm, un-colored gain.
4 Simple Audio Mixer Circuits diagram using FET and ICs ...
https://www.eleccircuit.com/simple-audio-mixer-circuit-with-fet-2n3819/
Simple FET Audio Mixer Circuit. In-circuit a FET number 2N3819 is main, it is better than …
transistors - Why would an op-amp use BJTs over …
https://electronics.stackexchange.com/questions/51003/why-would-an-op-amp-use-bjts-over-mosfets
Contrast that with a typical MOSFET-input amplifier such as the MCP601, which is typically 29nV/sqrt(Hz), or about 700 times worse in terms of power. If you are doing audiophile audio processing, the best amplifier in the world is a Texas Instruments (nee Burr-Brown) bipolar part. It has a lot of input bias current, but very little distortion ...
MOSFET AUDIO AMPLIFIER(Low Noise and High Gain) : 6 …
https://www.instructables.com/MOSFET-AUDIO-AMPLIFIERLow-Noise-and-High-Gain/
"An audio power amplifier (or power amp) is an electronic amplifier that strengthens low-power, inaudible electronic audio signals such as the signal from radio receiver or electric guitar pickup to a level that is strong enough for driving loudspeakers or headphones.". This includes both amplifiers used in home audio systems and musical instrument amplifiers like guitar amplifiers.
Audio FET & Op Amp IC Kit #3 (#1155) from NightFire ...
https://www.tindie.com/products/nfceramics/audio-fet-op-amp-ic-kit-3-1155/
This is the Audio FET & Op Amp IC Design Kit #3.It includes 8 pieces of the very popular MPF102 FET and 4 pieces of the Texas Instruments LF351 FET Op Amp in a DIP-8 package. These are two very popular Audio semiconductors on the planet and have been found in countless Audio schematics. This kit also includes different common values of 1/4 Watt ...
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