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