Barium - Reference Signal Meter
Barium Duo - Dual channel Reference Meter
Carbon 500 - Classic EQ
Helium - Hybrid EQ
Helium 500 - Hybrid EQ
Iridium - Inductor EQ
Iridium 500 - Inductor EQ
Iron 500 - Transformer Mic Preamp
Lead 500 - Headphone Amplifier
Silicon 500 - Solid State Mic Preamp
Zinc 500 - Instrument Amplifier
