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Adcom 2A IC for GFA 565 - diyAudio
https://www.diyaudio.com/community/threads/adcom-2a-ic-for-gfa-565.84639/
On top of custom marking and a likely reorder. ... The 820 is not the right chip for the 565. The 820 is best for a monopolar supply like the 555 mkII. ... they are not the same amplifier! The 565/585 have dual differential darlington inputs that are biased with the same +/- 13v supply as the dc servo - it is a very complex circuit to ...
NE58633 Noise reduction class-D headphone driver …
https://www.nxp.com/docs/en/data-sheet/NE58633.pdf
Each channel comprises a class-D BTL headphone driver amplifier, an electret microphone low noise preamplifier, feedback noise reduction circuit and a music amplifier input. The NE58633 operates with a battery voltage of 0.9 V to 1.7 V. The chip employs an on-chip DC-to-DC boost converter and internal V ref voltage reference which is filtered and
Headphone Amplifiers | Products | Audio | TI.com
https://www.ti.com/audio-ic/amplifiers/headphone-amplifiers/products.html
Audio amplifiers (383) Audio line drivers (9) Audio line receivers (9) Audio op amps (68) Headphone amps (27) Microphone preamplifiers (10) Piezo speaker drivers/receivers (5) Speaker amps (251) Volume control ICs (6) Audio converters (176) Audio ADCs (49) Audio CODECs (63) Audio DACs (57) Audio USB converters (7) Audio interface ICs (29) Audio ...
Headphone and Low Power Amplifiers - STMicroelectronics
https://www.st.com/en/audio-ics/headphone-and-low-power-amplifiers.html
The A22H165 is a class-G stereo headphone driver dedicated to high audio performance, high power efficiency and space-constrained applications. When powered by a battery, the buck converter generates the appropriate voltage to the amplifier depending on the amplitude of the audio signal to supply the headsets.
LM4930 Boomer™ Audio Power Amplifier Series …
https://www.ti.com/lit/gpn/LM4930
LM4930 Boomer™ Audio Power Amplifier Series Audio Subsystem with Stereo Headphone & Mono Speaker Amplifiers Check for Samples: LM4930 1FEATURES DESCRIPTION The LM4930 is an integrated audio subsystem that 23• 16-bitResolution 48kHz Stereo DAC supports voice and digital audio functions. The
Best High-End Audiophile Headphone Amplifiers
https://www.ttvjaudio.com/audiophile-headphone-amplifier-s/1867.htm
Our Price: $2,795.00. Luxman DA-250 Headphone Amp, Preamp & USB DAC. The Luxman DA250 is a great high end Class A headphone amp with an awesome DAC and A to D converter too! Our Price: $2,895.00. Pass Labs HPA-1 Headphone Amplifier and Preamp. Class A headphone amp from Pass Labs! Our Price: $3,500.00.
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