The NHB-18 NS Mk1's input impedance is 30000Ω against the NHB-18 NS's 30Ω and its weight 27 kg (60 lbs) against 24 kg (53 lbs). Both share signal-to-noise (92 dB) and width (440 mm).
Both turn up in the same documented systems.
The C-3900S's signal-to-noise is 113 dB against the NHB-18 NS's 92 dB, its input impedance 40Ω against 30Ω, its weight 25.3 kg (56 lbs) against 24 kg (53 lbs), and its height 156 mm against 170 mm.
The L1's signal-to-noise is 130 dB against the NHB-18 NS's 92 dB, its input impedance 94Ω against 30Ω, and its weight 20 kg (44 lbs) against 24 kg (53 lbs). Both share width (440 mm).
Convergent Audio Technology SL1 III
- Signal-to-noise
- 98 dB vs 92 dB
- Input impedance
- 50000Ω vs 30Ω
Dan D'Agostino Momentum C2