Detailed Specifications - Infinity SUB450 Service Manual

SUB450
SUB450 Amplifier
LINE VOLTAGE
US 120vac/60Hz
Asia 100vac/50Hz
Parameter
Amp Section
Type (Class AB, D, other)
Load Impedance (speaker)
Rated Output Power
THD@ Rated Power
THD @ 1 Watt
DC Offset
Damping factor
Input Sensitivity
Input Frequency
Line Input (L&R)
LFE Input
Speaker/Hi Level Input
Signal to Noise
SNR-A-Weighted
SNR-unweighted
SNR @ 1W-unweighted
Residual Noise Floor
Residual Noise Floor
Input Impedance
Line input L&R , LFE
Speaker/Hi Level Input
Filters
Low Pass (fixed or variable)
Slope & Q
Subsonic filter (HPF)
Slope & Q
Limiter (yes/no)
Features
LFE Input
Volume pot Taper (lin/log)
ATO
Input Configuration
Line In (L,R)
Line level in LFE
Spkr/Hi Level In
(L,R)
Signal Sensing (ATO)
Auto-Turn-On (yes/no)
ATO Input Frequency
ATO Level
ATO Turn-on time
Auto Mute/ Turn-OFF Time
Power on Delay time
Transients/Pops
ATO Transient
Turn-on Transient
Turn-off Transient
Efficiency
Stand-by Input Power
Power Cons.@rated power
Protection
Short Circuit Protection
Thermal Protection
DC Offset Protection
Line Fuse Rating
100W Powered Sub/ Plate Amp
Yes/No Hi/Lo Line
Yes 108-132 Vrms
Yes 90-110 Vrms
Specification Unit
AB AB
4 Ohms
100 Watts
0.08 %
0.1 %
10 mV-DC
>100 DF
50 Hz
250 mVrms
135 mVrms
2.5 Vrms
100 dBA
80 dBr
60 dBr
1.5 mVrms
1
mVrms(max)
>15 K ohms
4.7 K ohms
fixed --
dB/Octave
Hz
dB/Octave
YES --
YES
log --
YES
L ,R --
LFE
L,R --
YES --
50 Hz
2 mV
5 ms
15 minutes
3 sec.
5 mV-peak
50 mV-peak
50 mV-peak
13 Watts
185 Watts
YES --
65 deg. C --
YES --
2.5 Amps
Unit Notes
Normal Operation
Normal Operation
QA Test
Limits Conditions
n/a
n/a Nominal
95 1 input driven
0.3 22k filter
0.5 22k filter
20 @ Speaker Outputs
50
50 Nominal Freq.
±2dB To Rated Power
±2dB To Rated Power
±2dB To Rated Power
90 rel. to rated power
75 rel. to rated power
55 rel. to 1W Output
Volume @max, using RMS reading
2.5 DMM/VOM (or A/P)
Volume @max, w/ A/P Swept Bandpass
2 Measurement (Line freq.+ harmonics)
n/a Nominal
n/a Nominal
±2dB
n/a
±2dB
n/a
n/a
functional
functional
functional
functional
functional
functional
functional
functional
@50 to e
functional driven
functional AC on, signal applied
functional T before muting, after signal is removed
functional AC Power Applied
10 @ Speaker Outputs
100 @ Speaker Outputs
100 @ Speaker Outputs
15 @ nom. line voltage
195 @ nom. line voltage
functional Direct short at output
functional @1/8 max unclipped Power
functional DC present at Speaker Out leads
2.5 Type-T or Slo Blo
2
Notes
External Sink required for Class AB
Z-curve required
Measured at speaker terminals, Output
power 90 Watts THD 0.1 %
1 input driven
1 input driven
LFE input driven only
(-20 dB below Line In)...1 input driven
A-Weighting filter
22k filter
22k filter
BW Limited to 500 Hz
RCA inputs: L , R Summed to Mono
L R Summed to Mono
put / c
Auto turn of time (T) must be 10 > T <15
AC Line cycled from OFF to ON
AC Line cycled from ON to OFF
Maximum allowable input power.
100 Watts @ 4 Ohms nominal line voltage
rise
Relay or crowbar (for driver/fire protection)
External fuse with UL/SEMKO rated holder