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APPENDIX B: ACHERON LF SPECIFICATIONS
40
Output Power 2250 W total (1125 W low channels)
Note: Amplifier wattage rating based on the maximum unclipped peak voltage the amplifier
will produce into the nominal load impedance: low frequency channels, 67 V rms (95 V peak)
into 4 ohms.
Total Output 4500 W peak
THD, IM TIM <.02%
Load Capacity 4 Ω low channels
Cooling Forced air cooling, two internal fans (one ultra low-speed fan, one reserve fan)
AC POWER
Connectors 250 V NEMA L6-20 (twistlock) inlet or IEC 309 male inlet
Voltage Selection Automatic, two ranges, each with high-low voltage tap (uninterrupted)
Safety Agency Rated Operating
Voltage
95–125 V AC; 208–235 V AC; 50/60 Hz
Turn On/Turn Off Points 85–134 V AC; 165–264 V AC
Current Draw
Idle Current 0.64 A rms (115 V AC); 0.32 A rms (230 V AC); 0.85 A rms (100 V AC)
Maximum Long-Term Continu-
ous Current
8.8 A rms (115 V AC); 4.4 A rms (230 V AC); 10.0 A rms (100 V AC)
Burst Current 19.0 A rms (115 V AC); 9.5 A rms (230 V AC); 22.0 A rms (100 V AC)
Note: AC power cabling must be of sufficient gauge so that under burst current rms condi-
tions, cable transmission losses do not drop below the loudspeaker’s specified operating volt-
age range.
Ultimate Short-Term Peak Cur-
rent
39 A peak (115 V AC); 20 A peak (230 V AC); 45 A peak (100 V AC)
Inrush Current 7 A peak (115 V AC); 7 A peak (230 V AC); 10 A peak (100 V AC)
PHYSICAL
Enclosure Premium birch plywood
Finish Low gloss, black textured
Mounting 3/8” threaded points on side corners for optional bracket adapters, which allow the
Acheron LF to be secured to floors; the Acheron 80 and Acheron 100 can be mounted on top
of the Acheron LF with uptilt or downtilt
Dimensions 31.00" w x 36.18" h x 20.50" d (787 mm x 919 mm x 521 mm)
Weight Weight 185 lbs (83.91 kg)
ENVIRONMENTAL
Operating Temperature 0° C to +45° C
Non operating Temperature <–40° C or >+75° C
Humidity to 95% at 35° C
Operating Altitude to 4600 m (15,000 ft)
Non operating Altitude to 95% at 35° C
Shock 30 g 11 msec half-sine on each of 6 sides
Vibration 10 Hz – 55 Hz (0.010 m peak-to-peak excursion)
Acheron LF Specifications