Imported from GitHub: stefaweb/Q17-Amplifier · commit 47d19a5 · license GPL-3.0

Description

The Q17 is an error correction HIFI amplifier based on the QUAD405 current dumping principle.

README

Q17-Mini version 3.0 (90W @ 8 Ohms)

Technical specifications:

THD: 0.011% S/N : 102 dB Intermodulation distortion: 0,2% Frequency response: ±0,2 dB Damping factor : 350 with 1.2Vrms sensibility, 290 with 0.7Vrms sensibility Default gain: 22 with input gain at 1.2Vrms, 35 with input gain at 0.7Vrms. DC offset at output: 1mV with OPA1611, 0mV with OPA828. Power supply : 50Vdc Idle consumption: 9W

These measurements were made with amateur measuring equipment. It is better to take them as an indication than as safe values. The first version of the board was released on December 8, 2021. Version 3.0.4 was published on October 7, 2024.

Read the CHANGELOG file to know what's new.

Q17-Mini-3.0-BOM Online Version Order Q17-Mini-3.0.4-BOM at Mouser

PCB size: 95 mm * 75 mm

Drilling for Q17-Mini