Audio Research
First released in 2003
VSi55
By clicking a retailer link you consent to third-party cookies that track your onward journey.
If you make a purchase, Linephaze may receive an affiliate commission.Specifications
Power Output (16Ω/8Ω/4Ω/2Ω)- / 50W / 50W / -
amplification technologyVacuum Tube
typeStereo
speaker load impedance4Ω,8Ω
Frequency Response1Hz–100kHz (-3dB)
Input ImpedanceUnalanced: 50kΩ
Input Sensitivity0.5V RMS
Signal to Noise Ratio~103dB
Total Harmonic Distortion~1% at 75W
Damping Factor5
Dimensions (W x H x D)356×203×406
Weight15.5 kg