This is just an ultra-quick blog post about a nostalgic IC: µPC1237. It’s a timeless bipolar analog IC from NEC designed for protecting stereo audio power amplifiers and loudspeakers. I used to see ...

Now you can protect your HiFi amplifier from damage due to excess heat. This circuit will cut off the power to the amplifier board at the moment it senses a high temperature. It automatically connects ...

A subject rarely found in circuit design textbooks is the matter of nonlinear junction capacitance, especially reverse-bias junction capacitance, also called depletion capacitance. When it is ...

Linear Tube Audio’s Century Monoblocks: hand-built ZOTL amps with Screen-Drive tubes, 110 W/8 Ω, low output impedance, and full balanced inputs.

New operational amplifiers optimized for high-performance audio and ultrasound applications combine extremely low total harmonic distortion plus noise (THD+N), -130 dB, with large output voltages on ...

[Ynze] has built an audio amplifier that looks and sounds great. His amplifier uses a National Instruments (now TI) LM3886 Overture series 68 Watt power amp. The LM3886 places [Ynze’s] amp squarely in ...

If you buy something from a Verge link, Vox Media may earn a commission. See our ethics statement. Bang & Olufsen has partnered with HiFiBerry to launch a new DIY open-source product that’ll help you ...