Metasonix TM-6 Vacuum-Tube Miltimode Filter RARE

Metasonix TM-3 Gas-Tube Dual Voltage-Controlled Oscillator RARE

Metasonix TM-1 VACUUM-TUBE WAVESHAPER/RINGMOD GOLD RARE

Urei Bandpass Filter 556

RDL ST-VCA1 Stick-On Voltage Controlled Amplifier 0 to 10 VDC or 0 to 10K Ohms

Radio Design Labs RDL ST-DA3 MX3, MMX3,GCA2, !)K, VCA-1, STP-1

RDL ST-VCA1 Stick-On Voltage Controlled Amplifier 0 to 10 VDC or 0 to 10K Ohms

Tascam TM-AM2 Adjustable Microphone Boom (DISCONTINUED)