Infinity ENTRA SUB TWO Service Manual page 5

Entra Sub Two
Parameter Specification
Efficiency
Efficiency
Stand-by Input Power
Power Cons. @ rated power
Protection
Short Circuit Protection
Thermal Protection
DC Offset Protection
ESD Protection
Line Fuse Rating
USA-Domestic
EU
QA Test
Unit Limits
65 % 60
20 Watts 26 @ nom. line voltage
234 Watts 240 @ nom. line voltage
YES functional Direct short at output
@1/8 max unclipped Power at 1.06
YES functional times the input voltage
YES - DC present at Speaker Out leads
YES KV 15 Positive and negative polarity
2 Amps Type-T or Slo Blo-250 V
1.25 Amps Type-T or Slo Blo-250 V
4
Conditions
Nominal Line voltage 120 VAC
Maximum allowable input power under nominal
Input voltage and frequency, HOT or COLD
operation.
140 Watts @ 4 Ohms nominal line voltage
Amplifier should resume operation after short
circuit condition removal
Temperature rise in accessible metal parts
should not exceed 35K rise for domestic version
or 30K rise for European versions (refer to
requirements sheet).
Design must insure no Offset at the speaker
output under any operating condition including
abnormal operation
All input outputs ports accessible to the user
must meet the performance and test criteria
described in IEC801-2
If exxternal fuse use UL/SEMKO rated holder
Notes