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English Installation and Operation Page 35
pro.Bose.com Specifications
AC Current Draw and Thermal Dissipation Information
IZA 250-LZ, AC Current Draw and Thermal Dissipation
Test Signal & Power Level
Load Configuration
(Note: Both IZA channels driven)
Total Audio
Output, W
120VAC 60Hz.
Line Current, A
230VAC 50Hz.
Line Current, A
Thermal Dissipation, Max
Watts BTU/hr. kCal/hr.
Power On, Idling
0 0�23 0�16 37 127 32
1/8th Rated Power
IEC65 Bandlimited Pink Noise
8 Ω / Ch 6 0�40 0�23 45 153 39
6dB Crest Factor
FS2C/SE/P EQ Enabled
4 Ω / Ch 13 0�48 0�29 53 181 46
1/3rd Rated Power
IEC65 Bandlimited Pink Noise
8 Ω / Ch 17 0�63 0�37 63 215 54
6dB Crest Factor
FS2C/SE/P EQ Enabled
4 Ω / Ch 33 0�90 0�53 87 298 75
ZA 250-LZ, AC Current Draw and Thermal Dissipation
Test Signal & Power Level
Load Configuration
(Note: Both IZA channels driven)
Total Audio
Output, W
120VAC 60Hz.
Line Current, A
230VAC 50Hz.
Line Current, A
Thermal Dissipation, Max
Watts BTU/hr. kCal/hr.
Power On, Idling
0 0�18 0�14 32 110 28
1/8th Rated Power
IEC65 Bandlimited Pink Noise
8 Ω /Ch 6 0�30 0�22 42 143 36
6dB Crest Factor
4 Ω /Ch 13 0�15 0�25 45 154 39
1/3rd Rated Power
IEC65 Bandlimited Pink Noise
8 Ω /Ch 17 0�52 0�33 55 186 47
6dB Crest Factor
4 Ω /Ch 33 0�90 0�50 82 279 70
IZA 190-HZ, AC Current Draw and Thermal Dissipation
Test Signal & Power Level
Load Configuration
(Note: Both IZA channels driven)
Total Audio
Output, W
120VAC 60Hz.
Line Current, A
230VAC 50Hz.
Line Current, A
Thermal Dissipation, Max
Watts BTU/hr. kCal/hr.
Power On, Idling
0 0�21 0�17 40 136 34
1/8th Rated Power
IEC65 Bandlimited Pink Noise
70V/Ch 11 0�46 0�28 53 180 45
6dB Crest Factor
FS2C/SE/P EQ Enabled
100V/Ch 11 0�52 0�32 61 210 53
1/3rd Rated Power
IEC65 Bandlimited Pink Noise
70V/Ch 30 0�89 0�47 78 266 67
6dB Crest Factor
FS2C/SE/P EQ Enabled
100V/Ch 30 0�82 0�46 76 259 65
ZA 190-HZ, AC Current Draw and Thermal Dissipation
Test Signal & Power Level
Load Configuration
(Note: Both IZA channels driven)
Total Audio
Output, W
120VAC 60Hz.
Line Current, A
230VAC 50Hz.
Line Current, A
Thermal Dissipation, Max
Watts BTU/hr. kCal/hr.
Power On, Idling
0 0�15 0�14 32 108 27
1/8th Rated Power
IEC65 Bandlimited Pink Noise
70V/Ch 11 0�42 0�25 47 161 41
6dB Crest Factor
100V/Ch 11 0�35 0�24 44 150 38
1/3rd Rated Power
IEC65 Bandlimited Pink Noise
70V/Ch 30 0�88 0�49 84 285 72
6dB Crest Factor
100V/Ch 30 0�75 0�45 74 251 63
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