Do you own an Amek 501 Langley? Share your restoration story and tips in the comments below.
Use the gain pot to set your initial level. The 501 has a generous "sweet spot"; pushing the gain slightly can introduce a subtle, pleasing harmonic saturation. Amek 501 Langley Manual
If recording a single channel directly, engage the switch (if equipped) or route the channel to a dedicated Sub-group (e.g., Sub 1-2). Assign the sub-group fader to the input of your DAW. Do you own an Amek 501 Langley