In Barn: Vinnie Rossi L2 Signature Preamplifier & L2 Signature Monoblocks

Vinnie Rossi L2 Signature Preamplifier (starts at $14,995), L2 Signature Monoblocks ($14,995). The review unit L2 Signature Preamplier includes the optional DAC (+$3,495) and Phonostage (+$3,495).

L2 Signature Preamplifier Specifications

Frequency Response
(with stock EH300B tubes):
2Hz – 500kHz (+/- 0.5dB)
0.5Hz – 950kHz (+/- 3dB)
Output Impedance (SE and BAL): < 100 ohms
Input Impedance (SE and BAL): Approx. 10K ohm
Voltage Gain: 8 dB (with stock EH300B tubes)
0dB (DHT Bypass Mode / Unity gain JFET buffer only)
SNR (with stock EH300B tubes):
SNR (DHT Bypass Mode):
-120dB (A-Weighted), SE IN/OUT
-140dB (A-Weighted), SE IN/OUT
12Vdc Trigger Outputs: 12V (+/- 0.1V), 200mA max (each) with on/off switch on front panel
THD+N (with stock EH300B tubes):
THD+N (DHT Bypass Mode):
Less than 0.5% (unweighted), SE IN/OUT
Less than 0.0006% (unweighted), SE IN/OUT
AC Input: Factory configured for 110-120Vac  -or-  220-240Vac (50/60Hz)
Volume Control:
Balance Control:
64 steps (approx. 1dB per step) from -∞ to +8dB
24 steps from L to R (approx. 1db per step)
Power Consumption (with stock
EH300B Gold Grid  tubes, L2 Dac and L2 Phonostage installed):
Approx. 65W
Protections: – Fused AC input
– MOV (AC input surge protection)
– Output short circuit protection
Dimensions (no tubes installed):
(with tubes and tube covers installed):
Approx. 14.5″ wide x 14.5″ deep x 5″ tall (368mm x 368mm x 127mm)
Approx. 14.5″ wide x 14.5″ deep x 8″ tall (368mm x 368mm x 203mm)
Shipping Weight:
26.5 lbs (12 kg)
52 lbs (24 kg) including travel case

L2 Signature Monoblocks Specifications

Output Power:
(Tested with 120Vac input)75W rms into 8-ohms, 140W rms into 4-ohms (2-ohm stable)

Output Impedance: Approx. 0.1 ohm
Input Impedance: 100K ohms (RCA and XLR inputs)
Frequency Response: 2Hz – 250kHz (+/- 0.5dB)
0.5Hz – 900kHz (+/- 3dB)
Voltage Gain: 27.5dB (Customer specified gain can also be factory-set)
SNR: 100dB (Full output into 8-ohms, from 20Hz – 80kHz)
THD+N: 0.0043% (0.1KHz, 1W into 8-ohm)
0.0058% (1KHz, 1W into 8-ohm)
0.0065% (20kHz, 1W into 8-ohm)

0.002% (100Hz, full output into 8-ohms)
0.014% (1kHz, full output into 8-ohms)
0.001% (20kHz, full output into 8-ohms)
0.011% (50kHz, full output into 8-ohms)
12Vdc Trigger Input: V_min = 9Vdc, V_nominal = 12Vdc, V_max = 18Vdc
Trigger current at 12Vdc = 45mA
AC Input: Factory configured for 110-120Vac  -or-  220-240Vac (50/60Hz)
Power Consumption: 20W (idle), 230W (Full output into 4-ohm)
Protections: – AC input jack fuse
– MOV (AC input surge protection)
– Speaker output over current
– Over temperature
Dimensions: 5.5″ wide x 14″ deep x 5″ tall (140mm x 355mm x 130mm)
Weight per Monoblock: 20 lbs (9 kg)
35 lbs (16 kg) including travel case