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COMMUNITY ENT-750T ENTASYS 750W Autoformer (Black)
750-Watt Autoformer for Community’s ENTASYS Column Line
Array System
The ENTASYS 750-watt autoformer is a step down auto-transformer for use in constant
voltage distribution systems. Designated the ENT-750T, it can be used to minimize the
I2R losses of long cable runs by converting the distributed high voltage, low current signal
to a lower voltage, higher current signal that can effectively drive the ENTASYS column
loudspeakers. The ENT-750T is available in either black or white to match the color of the
ENTASYS enclosure(s). A matching autoformer mounting bracket is also included.
*The installer must supply all other hardware for the installation
Included with and shipped attached to the autoformer is a mounting bracket ("T" bracket). This is similar to, but
shorter than, the mounting bracket supplied with ENTASYS loudspeakers. This bracket may be used to mount the
autoformer directly to a wall as shown in Figure 1. This is the only way to mount the autoformer if it is to be
placed below an ENTASYS array. The autoformer may be electrically connected to the ENTASYS array using the
barrier strip terminals on the top of the autoformer. When this mounting is used the included Rubber Plug should
be inserted into the bottom dual banana jack recess area to seal it from moisture (Figure 2).
ENT-750T Frequency Response Chart
Highest Power Tap
Column Configuration** Frequency Range Deviation
1 FR 200 Hz - 15 kHz +0.0 / -0.0dB
1LF or 1FR+2LF or 2FR
or 2FR+1LF 200 Hz - 15 kHz +0.25 / -0.25dB
3FR 200 Hz - 15 kHz +0.25 / -0.5dB
Lowest Power Tap
Column Configuration** Frequency Range Deviation
1 FR 200 Hz - 15 kHz +0.25 / -1.0dB
1LF or 1FR+2LF or 2FR
or 2FR+1LF 200 Hz - 7 kHz +0.5 / -1.0dB
1LF or 1FR+2LF or 2FR
or 2FR+1LF 200 Hz - 15 kHz +0.5 / -2.0dB
3FR 200 Hz - 7 kHz +1.0 / -1.0dB
3FR 200 Hz - 15 kHz +1.0 / -3.0dB
ENTASYS 750W Autoformer
Frequency Response See Chart Below
Insertion Loss 0.5 dB
Frequency Limit at Maximum Input 100 Hz
Recommended HP Filter 200 Hz, 24 dB/octave
Input Connections Top: Barrier Strip Terminals
Bottom: (1) Dual Banana Jack (female)
Enclosure One piece aluminum extrusion with molded
nylon end caps
Finish Black or White
Mounting / Rigging "T" Mounting bracket (included)
Dimensions
H x W x D
7.67 x 5.5 x 7.36 inches
(195 x 140 x 187 mm)
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