Community E Series Руководство по применению - Страница 4

Просмотреть онлайн или скачать pdf Руководство по применению для Динамики Community E Series. Community E Series 8 страниц. Part 1: system information, versatile two-way column point source systems

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ENTASYS 200 FACTS

constant voltage and subwoofers

CONSTANT-VOLTAGE DISTRIBUTED SYSTEMS

Whenever a distributed constant-voltage installation is required, ENTASYS

200 loudspeakers are well equipped to handle the task. Each model includes

a built-in 70V/100V autoformer, so there's no need to purchase additional

components. Constant–voltage systems are recommended whenever the

distances between the amplifier and the loudspeakers are considerable.

A good rule of thumb is to use the built-in autoformer if the cable length

exceeds 100 feet, or if the lengths are shorter but the cable gauge is less than

AWG #16.

Because the autoformer is equipped with selectable power taps, multiple

ENTASYS 200 columns can be powered by a single amplifier channel, yet set to

different power levels as needed. This allows the installer to provide uniform

distribution of sound levels for maximally effective room coverage, without

needing an undue number of amplifier channels and 'home-run' cables.

Community's proprietary autoformers function the same as conventional

70V/100V transformers, but with lower distortion, lower insertion loss, less

weight, and superior frequency response.

USING ENTASYS 200 COLUMNS WITH SUBWOOFERS

crossover will divide the frequency spectrum between the ENTASYS 200 columns and the subwoofers, thereby allowing

the subwoofers to be amplified independently from the ENTASYS 200 columns. A Community dSPEC loudspeaker

controller is ideal for this task. Not only does dSPEC provide the required crossover for the subwoofers, but also factory

recommended operating parameters for each model of Community subwoofer and for each ENTASYS 200 model (refer

to the Digital Signal Processing section - page 3).

Note: A subwoofer should NEVER be connected directly to the same amplifier channel as an ENTASYS 200 column

loudspeaker. This is because all ENTASYS 200 columns require a high pass filter, while all subwoofers require a low

pass filter and a lower frequency high pass filter. The two cannot be powered by one amplifier channel at the same

time.

In addition to providing LF extension for an enhanced sonic experience, the use of one (or more) subwoofers removes

the demand to reproduce low frequencies from the ENTASYS 200 columns, thereby permitting greater power handling,

which in turn means substantially more output capability. For applications in which music reproduction or music

reinforcement is an important element, the use of subwoofers should be considered essential. It's important to

place subwoofers in locations near the ENTASYS 200 (within 2.2ft [0.67m]) for coherent summation at the required

200 Hz crossover so that both sources sum acoustically and also to avoid the subwoofer from sounding directional

near crossover. To make this possible, Community offers compact subwoofers in the I SERIES and V SERIES lines. The

most applicable models are IS6-112, IS6-212, IS8-112, IS8-212, VLF208, VLF208LV, V2-210S, and the V2-212S. For high

output systems, consider one of the previous models for mid-bass (80 Hz to 200 Hz) plus large I SERIES or V SERIES

subwoofers to operate below 80 Hz.

ENTASYS 200 System Information – 4

When high-impact, full-range musical reproduction is required, one or

more subwoofers should always be included in the design plan. Community

manufactures a wide range of subwoofers that are compatible with

ENTASYS 200 column loudspeakers. The specific type and number of

subwoofers will vary depending on the desired end results; dance clubs and

live music venues will require high power low frequency augmentation to

satisfy their clientele, while a small house of worship may need only subtle

low frequency enhancement.

Whenever subwoofers are utilized, an external signal-level crossover, either

analog or DSP based, must be included as part of the system design. The

ENT203 panel B

ENT203

ENT203B

1 7 1 7 4 0 1 5 6 9

( 21) P1234567

IMPEDANCE:

16 OHM

POWER:

75W RMS

190W PGM

NL4:

1+/- IN

2+/- N.C.

*NOTE: NL4 FOR 16 OHM

INPUT ONLY

333 East 5th Street, Chester, PA 19013 USA

2011

70V

100V

1.88W

3.75W

7.5W

15W

30W

N.C.

JUMPER (REMOVE FOR 16 OHM)

16 OHM INPUT

COMMON

Designed and Engineered

in the USA

Made in China