TRV-4SE Limited Special vs Vacuum Tube Logic (VTL) Deluxe
The Deluxe's signal-to-noise is 80 dB against the TRV-4SE Limited Special's 96 dB, its output impedance 195Ω against 7000Ω, and its input impedance 100Ω against 220000Ω. Both share mm gain (20 dB).