Wyred 4 Sound ST Series User Manual
Page 12
_____________________________________________________________________
WYRED 4 SOUND ST-SERIES v2.1
4235 Traffic Way
Atascadero, CA 93422
PH: 805-466-9973
FAX: 805-462-8962
©2013 WYRED 4 SOUND
All rights reserved.
Page 12 of 12
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ST-250
ST-500
ST-1000
Typical THD+N 8Ω (10W out)
0.009%
0.0027%
0.0055%
Power Output 8Ω @ 0.2% THD+N
100Wpc
250Wpc
570Wpc
Power Output 8Ω @ 1.0% THD+N
125Wpc
330Wpc
625Wpc
Power Output 4Ω @ 0.2% THD+N
195Wpc
550Wpc
1,140Wpc
Power Output 4Ω @ 1.0% THD+N
220Wpc
625Wpc
1,225Wpc
IMD (CCIF)
0.0005%
0.0005%
0.0005%
Transient Intermodulation (TIM)
0.004%
0.003%
0.005%
Output Idle Noise
90uV
80uV
80uV
Efficiency (4Ω)
79% @ 200W
81% @ 500W
79% @
1000W
Efficiency (8Ω)
78% @ 100W
78% @ 200W
78% @ 500W
Frequency Response
20Hz--20kHz
± 0.4db
± 0.3db
± 0.4db
Lower Bandwidth
3.5Hz
all loads
3.3Hz
all loads
3.3Hz
all loads
Balanced Input Impedance
60.4kΩ
60.4kΩ
60.4kΩ
Unbalanced Input Impedance
60.4kΩ
60.4kΩ
60.4kΩ
Dynamic Range
110db
115db
118db
Gain
27db
27db
27db
Sensitivity
1.28V
2.1V
2.95V
Output Impedance
10mΩ
5mΩ
5mΩ
Min Load
3Ω
2Ω
2Ω
Damping Factor (100Hz 8Ω)
4000
2000
2000
Max Output Current
11A
35A
40A
*All specs are given as a per channel rating*
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