Specifications

page 25
Studio Reference I & II Professional Studio Amplifiers
Operation Manual
Minimum Guaranteed Power Studio Reference I Studio Reference II
1 kHz with 0.05% THD
Stereo, 4 ohms (per ch.)
Stereo, 8 ohms (per ch.)
Bridge mono, 8 ohms
Bridge mono, 16 ohms
Parallel mono, 2 ohms
Parallel mono, 4 ohms
1,160W
780W
2,220W
1,580W
2,315W
1,565W
555W
355W
1,100W
715W
1,115W
710W
Performance Studio Reference I Studio Reference II
Sensitivity (volts RMS) for full rated power at 8 ohms 0.775V, 1.4 V, or 26 dB gain 0.775V, 1.4 V, or 26 dB gain
Frequency Response (at 1 watt, 20 Hz - 20 kHz) (see Figure 7.5) ± 0.1 dB ± 0.1 dB
Phase Response (at 1 watt , 20 Hz to 20 kHz) (see Figure 7.8) +5° to –15° +5° to –15°
Signal to Noise Ratio below rated full bandwidth power, A-weighted > 120 dB > 117 dB
Total Harmonic Distortion (THD) at full bandwidth power < 0.1% < 0.1%
Intermodulation Distortion (IMD) 60 Hz and 7 kHz at 4:1,
from full bandwidth power to 78 watts
from full bandwidth power to 36 watts
< 0.005% rising linearly to 0.025% at 78 milliwatts
< 0.005% rising linearly to 0.025% at 36 milliwatts
Damping Factor (see Figure 7.6)
10 Hz to 200 Hz
1 kHz
> 20,000
> 2,500
> 20,000
> 2,500
Crosstalk (below rated full bandwidth power)
20 Hz to 400 Hz
20 kHz (see Figure 7.10)
> 100 dB
> 70 dB
> 100 dB
> 65 dB
7 Specifications