Consonance Linear-1, tube pre-amplifier valves, 2A3, 1 valve 6SL7, 2 valves 101D, Transformers LUNDAHL, all public and private spaces balanced.
Xindak LP-1 Phono Pre valve MM, with the valves electron-beams 12AT7 and 12AX7, and in all public and private spaces Dual Mono based on the circuit of Matisse.
Xindak MP-1 Preamplifier Passive with transformers permalloy and the remote control. ll Gain of the RCA inputs can be set on three values: 0dB, +3dB, +5dB.
Consonance PM-2 MKII, Prephono transistor for turntables with MC & MM cartridges, a Double Frame for a perfect protection from EMI and RFI.
Consonance R1.3, Preamplifier, passive transformers (TVC), Volume pot Resistance, the Inputs and Outputs on RCA and Balanced XLR.
Consonance R40 Reference Phono Pre valve with dual 12AX7 and EZ80, separate Power supply, MM/MC, transformers hand wound passive RIAA.
Consonance R50MKII, tube Preamp with dual 12AU7 and EZ80 , circuit SRPP without feedback, Gain Setting, Input/RCA Outputs, Remote control.
Xindak XA3200MKII Tube Preamp with valves electron-beams 12AT7 and 12AX7, with a remote control. The power supply section with the valve 6Z4P.
Xindak XA8250MKII Preamplier transistor, realized with a structure made entirely dual-mono. The front Display, the remote control. Inputs and outputs RCA and XLR.