audio amplifier

  1. abuzar888

    Class D amplifier system not working

    Hello, I hope you're all doing well. I'm putting together a sound system for my room. It has two power amps: one for two normal speakers and the other one for a subwoofer. I have put a pre-amp with the power amp that's gonna filter the sound going to the subwoofer. The whole system is powered...
  2. circ8tz

    Technics SU-CH7 - How can I use a normal speaker with this amplifier? It has 4 connections for each speaker (separated High & Low frequencies)

    Amplifier: Technics/Panasonic SU-CH7 This amplifier belongs to an Hi-Fi Audio system (SC-CH7) that originally comes with speakers (speakers with separate highs and lows too, 4 connections in each speaker). It also needed the Tuner unit (ST-CH7L) in order to turn the amplifier on but I was able...
  3. ZakVak

    Design a audio amplifier for different load impedance

    Hello, In short I need some formula that adjust the gain according to different output load. I am trying to design an audio amplifier. I need to adjust the gain for both an output impedance of 8 ohms and 150 ohms. The sound is mono. The signal at my input is 315mV rms and at the output 3.1V rms...
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