This Sovtek 6SN7 tube is a small pre-amp dual triode, medium gain with an octal base. It is used as original equipment in many currently produced home audio tube amplifiers.
2 Channel Tube Compressor
Parametric Equalizer Materig version
The M147 Tube is a vacuum tube condenser microphone with cardioid characteristic.
Xtra Low Microphonic.
Opto Moto Compressor Tubes
The M 149 Tube is a variable dual-diaphragm microphone. The K 49 capsule – well-known from the legendary U 47 and M 49 microphones – is followed by a tube functioning as an impedance converter.