Preamplifiers: Tube

NameNotesRetailAverage
Auris Tube Pre-amp
Polaris2 chassis
Polaris II Line5 inputs, 67 lbs
Polaris mkII2 pcs, 5 ins, with mc, 67 lbs
Spheris2 pcs, 5 ins, mc, 90 lbs
Spheris III Tube Pre-amp