
Audio Research
First released in 2007
SD135
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)- / 130W / 230W / -
amplification technologySolid State
typeStereo
speaker load impedance4Ω,8Ω
Frequency Response0.4Hz–300kHz (-3dB)
Input ImpedanceBalanced: 300kΩ, Unbalanced: 150kΩ
Input Sensitivity3.2V
Signal to Noise Ratio~116dB
Damping Factor~170
Dimensions (W x H x D)483×159×381
Weight19.5 kg