The 725's output impedance is 2Ω against the Altair II's 50Ω, its input impedance 2000Ω against 200000Ω, its weight 30 kg (66 lbs) against 38.1 kg (84 lbs), and its height 167 mm against 140 mm.
The NHB-18 NS Mk1's output impedance is 75Ω against the Altair II's 50Ω, its input impedance 30000Ω against 200000Ω, its weight 27 kg (60 lbs) against 38.1 kg (84 lbs), and its width 440 mm against 445 mm.
The Stern's output impedance is 24Ω against the Altair II's 50Ω, its weight 38 kg (84 lbs) against 38.1 kg (84 lbs), its width 450 mm against 445 mm, and its height 320 mm against 140 mm.
Soulution 326
- Output impedance
- 10Ω vs 50Ω
- Input impedance
- 5800Ω vs 200000Ω
Soulution 520
- Output impedance
- 10Ω vs 50Ω
- Weight
- 20 kg (44 lbs) vs 38.1 kg (84 lbs)