[Abyss Audio] Step‑Style CC Dual Power Supply Optimized for Startup Testing | PopoCLiPS BR DIY

Good evening. This time, we’re building a power‑supply circuit.Yes, yes — that’s...

[Abyss Audio] (2) Simulation and Circuit Exploration: PopoCFA Clarity Discrete Operational Amplifier DIY

Good evening. This is the second installment of the DIY CFB‑type discrete op‑amp...

[Abyss Audio] (1) Monster‑Class Current Feedback Discrete Operational Amplifier DIY

Good evening. Spring has fully arrived.And with it — the storm of deadlines. End...

[Abyss Audio] (3) Final Build and Performance Check — Popo BVPPC Headphone Amplifier (DIY)

Hello. The cold has returned a bit — freezing… SweatNow then, this is the third ...

[Abyss Audio] (2) PCB Rescue Operation — OPA Bi‑Variable Push‑Pull Composite Amplifier (Headphone Amp) DIY

Good evening. A cold wave has arrived — and my PCB completely self‑destructed! &...

[Abyss Audio] (1) Circuit Design — OPA Bi‑Variable Push‑Pull Composite Amplifier (Headphone Amp) DIY

Good evening. Recently, for late‑night listening in the bedroom, I’ve been using...

Deep Abyss Audio (14) - MC Profiles and Demo: ProAudio‑Spec PopoDAC (USB DAC) DIY

Hello everyone.We’ve finally reached Part 14 — the final chapter of the PopoDAC ...

Deep Abyss Audio (13) — Core’4 Timeline Dynamics Processor (TDP Phase) PopoDAC(ProAudio‑Spec USB DAC) DIY

Hello everyone. It’s freezing today…But the wait is finally over.Today we enter ...

Deep Abyss Audio (12) - Core’3 Guidance & Navigation Control PopoDAC(ProAudio‑Spec USB DAC) DIY

Hello again. Episode 12 marks the beginning of Core’3 — the Guidance & Navig...

Deep Abyss Audio (11) Core’2 — Telemetry Downlink Receiver (TDR Phase) Pro-Audio Specification USB DAC (DIY / ESP32‑S3)

Good evening.In Episode 11, we finally enter the explanation of PopoDAC Core’2 —...