@georgehifi
There are "passive" amps. The First Watt F4 is an impedance converting amp with exactly 0 dB of gain that only serves the purpose of delivering the current so that a line level signal can be fed to the speakers.
There are "passive" amps. The First Watt F4 is an impedance converting amp with exactly 0 dB of gain that only serves the purpose of delivering the current so that a line level signal can be fed to the speakers.