Lamm LP1 Signature Phono Preamplifier

Lamm Industries LP1 Signature 3 chassis Tube Phono Stage.

Dual monaural vacuum tube phono preamplifier with two separate audibly neutral power supplies featuring full-wave vacuum rectifiers, choke contained filters, vacuum tube high-voltage regulators, solid-state low-voltage analogue non-switching regulators used as the heater supplies.  Three separate inputs for MM and MC (two inputs) cartridges.  All amplification stages utilize high transconductance super low noise high-current vacuum triodes.  Pure class A operation.  No loop feedback is employed.  Accurate passive RIAA EQ network.   Tube complement: two-6C3P (6C3П), two-6C45P (6C45П) 
(phono preamplifier); four-12AX3/12BE3, two-6C19P (6C19П), two-6AK5, two-5651A (both power supplies).

Manufacturer’s website LAMM