INFINITY TSS-1200 250W Powered Sub/ Plate Amp
LINE VOLTAGE Yes/No Hi/Lo Line Nom. Unit Notes
US 120vac/60Hz Yes 108-132 120 Vrms Normal Operation
EU 230vac/50-60Hz Yes 207-264 230 Vrms Normal operation, MOMS required
Parameter Specification Unit
QA Test
Limits Conditions Notes
Amp Section
Type (Class AB, D, other) D n/a
n/a
Load Impedance (speaker) 5.6 Ohms
n/a
Nominal
Rated Output Power (120VAC 150 Watts
125 Domestic version only 120 VAC-60 Hz
Rated Output Power (230VAC 150 Watts
125 EU Version only 230 VAC-50 Hz
AVG RMS Dynamic Power 250 Watts
225
5.6 Ohms
verage RMS power, 3/20 Cycles 50 Hz, Driven
6dB above its input sensitivity sensitivity
AVG RMS Dynamic Power 250 Watts
189
4 Ohms
Reference
THD @ Rated Power 0.5 %
1
22K filter
THD @ 1 Watt 0.1 %
0.3
22K filter
DC Offset 10 mV-DC
30
Amplifier output
Damping factor >50 DF
20
Measured at amplifier board
Measured at the amplifier board. 120 Watts @
50 Hz, THD must be less tan 0.1%
Input Sensitivity
Input Frequency 35 Hz
35
Nominal Freq.
L or R input 16.8 mVrms
±2dB
To 1 Watt, Ap Zo=600 Ohms Single input driven, Normal mode
L or R input 16.8 mVrms
±2dB
To 1 Watt , Ap Zo=600 Ohms Single input driven, LFE mode switch ON
Gain L & R 140
±2dB
43 dB
Reference
Signal to Noise
SNR-A-Weighted 90 dBA
85
relative to rated power A-Weighting filter
SNR-unweighted 85 dBr
85
relative to rated power 22K filter
SNR rel. 1W-unweighted 65 dBr
65
relative to 1W Output 22K filter
Residual Noise Floor 1 mVrms(max)
1.5
Volume @max, w/ A/P Swept
Bandpass Measurement (Line
freq.+ harmonics) (BW=20 Khz)
Line level inputs must be terminated using
1KOHM
Input Impedance
Line Input (L, R) > 10K ohms
n/a
Nominal
Filters
LP filter 4th order 50-150 Hz
± 10
2nd Order variable and 2nd order fix
See AP curves 2nd order variable + 2nd order
fix-24 db/Octave
HP Filter 2nd order Fixed
LFE Low pass 2nd order 200>LP<1K Hz
LFE input driven only
Notch filter (Friend circuit)
F=61 Hz, Q=3.607, Av=-8.62dB
Limiter
THD at Max. Output Power
n/a n/a functional
Maximum Output Power Maximum THD as a result of limiting.
Features --
Volume pot Taper (lin/log)
LOG --
functional
A Taper
Phase switch
0-180 deg
functional
LP Filter defeat switch (LFE-
Normal)
YES
functional Disables LP filter, intended for LFE
Input Configuration
Line In (L,R) & LFE
YES --
functional Dual RCA jack
Signal Sensing (ATO)
Auto-Turn-On (yes/no) YES
functional
ATO Input test frequency 50 Hz
functional
"
ATO Level LFE Input 2 mV
functional
" Maximum acceptable level.
ATO Turn-on time 5 ms
functional
Amp connected and AC on, then
input signal applied
Auto Mute/ Turn-OFF Time 15 minutes
18
T before muting, after line or
speaker level signal is removed
Auto turn of time (T) must be 5 > T < 18
Minutes
Power on Delay time 3 sec.
4
AC Power Applied
Transients/Pops
ATO Transient 5 mV-peak
n/a
@ Speaker Output
TSS-Sub1200 subwoofer