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Barracuda 9 Installation Guide, Rev. B
DC power requirements
Voltage regulation
Maximum operating current
Maximum starting current
3, 6
Peak DC
3
Peak AC
Delayed motor start (max)
Peak operating current
Typical DC
Maximum DC
Maximum (peak)
Track following (DC)
1
at OD
1
at ID
Read track
1
OD DC
AC
Seeking
Typical DC
Maximum DC
Maximum (peak) AC
1
Measured with an average reading DC ammeter. Instanta-
neous +12V current peaks will exceed these values.
5
1, 4
1
1
1, 13
1
Single-ended
11
+5V
+12V
± 5%
± 5%
1
0.93
0.89
0.92
2.18
—
3.1
0.82
0.08
0.92
0.84
0.93
0.89
1.00
1.8
0.84
0.73
0.83
0.76
0.96
0.78
1.10
0.97
0.91
1.06
0.92
1.1
0.96
1.8
Differential
11
+5V
+12V
2
± 5%
± 5%
Amps
1.17
0.89
1.04
2.18
—
3.1
0.90
0.08
1.12
0.84
1.17
0.89
1.89
1.8
0.96
0.73
0.94
0.76
1.49
0.78
1.99
0.97
0.99
1.06
1.05
1.1
1.77
1.8
17
2
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