Circuit Diagram Speaker. We removed the 10k pot section and added additional bias circuitry of the microphone amplifier. This diagram has been simplified and only the positive lead is shown but you get the idea.
It can also amplify mono sound and produce the output in two different speakers ie. This circuit protects our speaker. Wiring configuration for 2 speakers in parallel.
Building a crossover for your speaker system is easy.
12ax7 tube hi fi preamplifier schematic project. Why use the speaker protection circuit. Another wireless music transmitter circuit. It can also amplify mono sound and produce the output in two different speakers ie.