Infinity BU-150 - Detailed Specifications

DETAILED SPECIFICATIONS
LINE VOLTAGE Yes/
No
Hi/Lo Line Nom. Unit Notes
US 120vac/60Hz Yes 108-132 120 Vrms Normal Operation
Parameter Spe
cific
atio
n
Unit Test
Limits
Conditions Notes
Amp Section
Type (Class AB, D,
other)
D n/a Class D Preferred...Sink
required for Class AB
Load Impedance
(speaker)
8 Ohms n/a Nominal Z-curve required
Rated Output Power 200 Watts 120 1 input driven Input voltage 120 VAC, 60 Hz
THD 1 % 2 22k filter 120W (Power Bandwidth
30-100Hz) @ 120 VAC
THD @ 1 Watt 0.5 % 0.5 22k filter
DC Offset <20 mV-DC 30 @ Speaker Outputs
Damping factor >80 DF >50 Measured across amplifier
outputs
Input Sensitivity
Input Frequency 35 Hz Nominal Freq. 1 input driven
Line Input 265 mVrms ±2dB To Rated Power/
Vol @ Max
1 input driven: AP source Z =
600 ohms
Speaker/Hi Level Input 7 Vrms ±2dB To Rated Power/
Vol @ Max
1 input driven: AP source Z =
25 ohms
Signal to Noise
SNR-A-Weighted 100 dBA 90 Relative to rated
output
A-Weighting filter
SNR-unweighted 75 dBr 70 Relative to rated
output
22k filter
SNR rel. 1W-unweighted
(22k)
65 dBr 55 relative to 1W
Output
22k filter
Residual Noise Floor 2 mVrms 3 Volume @max, using RMS reading DMM/VOM (or
A/P) , BW <20KHz
Residual Noise Floor 1.5
mVrms(max)
2 Volume @max, w/ A/P Swept Bandpass
Measurement (Line freq.+ harmonics) , BW<20Khz
Input Impedance
Line Input 10K ohms n/a Nominal
Speaker/Hi Level Input 5K ohms n/a Nominal
Filters 0dBr = 1w @ 50Hz
Low Pass (fixed or
variable)
Varia
ble
Low Pass filter (point or
range)
60-1
80
Hz ±2dB -3dB Point
Slope 24 dB/Octave n/a
Q 1 Damping n/a
Subsonic filter (HPF) 25 Hz ±2dB -3dB Point
Slope 12 dB/Octave n/a
Q 1 Damping n/a
4
Amplifier/Subwoofer BU-150