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Interfacing with Amplifiers
Recommended Amplifier Power
See the guidelines below for recommended low Z amplifier power for each ENTASYS 200 model.
Using an amplifier of less power than recommended will not allow maximum performance of the
system and may damage the loudspeaker if the amplifier is driven into clipping. Correspondingly,
using an amplifier of more power than recommended can result in overdriving the loudspeaker,
with the potential for damaging the drivers and/or the protection circuitry.
ENT203: 120W to 180W at 16 ohms
ENT206: 240W to 360W at 8 ohms
ENT212: 520W to 780W at 8 ohms
ENT220: 800W to 1200W at 8 ohms
Connecting Multiple Loudspeakers to a Single Amplifier Channel
The guidelines above are for a single unit of each ENTASYS 200 loudspeaker model. If more than
one ENTASYS 200 loudspeaker is connected to the same amplifier channel, the Minimum and
Maximum amplifier power ratings should be increased appropriately by multiplying the wattage
ratings by the number of loudspeakers connected.
IMPORTANT: Whenever multiple loudspeakers are connected in parallel, the resultant load
impedance will be reduced, while the power developed by the amplifier is potentially
increased due to the lower impedance of the load. The following table shows typical
combinations of loudspeakers connected together in parallel.
Single Loudspeaker
Impedance
16
8
4
IMPORTANT: As the load impedance of the total number of loudspeakers decreases, it
becomes more and more important to use heavier gauge cable when you are powering
the loudspeakers via their low impedance inputs. Otherwise, the damping factor will
not be preserved, resulting in sub-optimal low frequency response. If many
loudspeakers are to be powered by a common amplifier channel, we recommend
utilizing the 70V/100V built-in autoformers, instead of connecting many units in
parallel.
2 Units
8
4
2
ENTASYS 200 Installation/Operation Manual — Page 23
4 Units
3 Units
5.3
4
2.6
2
1.3
1
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