Help Topics

Deeper explanations of how the technology in your preamp actually works.

Volume control with LDRs

How a light dependent resistor becomes a variable resistor for audio.

User-adjustable input impedance from 1k-100k.

The self-contained process that measures each LDR’s resistance across 100 steps.

Identifying a failed LDR and swapping in a socketed plug-in module.

Teaching a preamp to respond to any infrared remote, one button at a time.

How legacy remote pairing worked on older firmware.

The display, rotary encoder, and infrared receiver module.

How the encoder and IR receiver connect to the display assembly.