When installing a public address system, budget is often considered the primary factor. Church of non-profit determines its compensation investment costs, HOW to do it at a low price in HOW successful bid, of all people and deliver satisfying sound system? For the ESB group, the secret is to rely on the company - Voice speakers and amplifiers, as the main system.

Alabama, in springville ESB group is a company with 10 years experience in design/installation, mainly focus on HOW the market and education, government sector. Its sales engineer Andy McMillan said: "we mainly choose EV product, in similar products in the comparison, it is of best quality and highest performance-to-price ratio." The top of the mountain community church (located in Birmingham, Alabama, willowbrook) the members of the association recently installed system is an excellent example. "Church has contemporary feeling extremely and large capacity, the need to provide efficient service", McMillan said, "only a specific quality level can meet the needs of it, so you need to replace the existing positioning and sound transmission system."

McMillan said the biggest challenge is "under the premise that meet a smaller budget, to accommodate 1700 people space to provide the required services". Solutions depend on the company - Voice EVA - 2082 s full frequency is given priority to the new system of dual line array module, diffusion is configured to 120 (H) x 60 (V) and 120 x 20. Each side in 6 speakers, the array can be combined using EVA series multiple diffusion methods. Sound arrangement and diffusion modes depends in part on the HVAC air conditioning (HVAC) on the ceiling of the position.

In addition to the 12 sets of EVA, the system also USES 8 heavy bass speaker, the church centre in two columns suspension, each column 4, guarantee the audience without interference, watch the TV screen. "XLCi215 bass effect is very good," McMillan said. "the sound of the church to worry about the stress diffusion range affected the sound quality, but the actual operation system, after he told us that system of heavy bass effect more than twice before using the product."

For the front cover and side of the field, and the ESB group chose EVF series dual front loaded all frequency loudspeaker, diffusion configured for 60 (H) x 60 (V), 90 x 60 and 40 and 60 x. EVAs and EVFs like degree is high, after the combination, feels like the same sound, speakers sound very close.

System by the company - Voice Contractor precision series power amplifier device drivers. "CPS 2.12 amplifier device makes sound effect is very conspicuous, McMillan said," at the same time, the power amplifier is very efficient. Compared with the old system to new system USES less power, stronger support system. The CPS with internal switch machine sorting system, when you after the first power amplifier is turned on or off, the rest of the power amplifier unit will be turned on or off automatically according to the order"

After the system is up and running, McMillan said the audience very warmly received. "Everyone personally felt the system said it 10 times stronger than the previous system." EVA will be successful is the result of it in the customer under the premise that meet the budget, for line array speakers, play a satisfactory effect.