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Small Community Theater

Sloped Seating with Balcony

A fully equipped performance venue that hosts local, regional, and national acts, this medium-format performing arts hall offers broad seating areas on the first level plus additional balcony seating.
A medium to large-format loudspeaker array addresses the majority of the first floor seating. In this case, a set of three IP8-1153/64s arranged in a monaural exploded array reinforces on-stage action while preserving localization for the audience. The main array’s coverage partially extends into the under/over balcony areas, but supplemental loudspeakers (IC6-1082 under balcony, IC6-2082 over balcony) ensure uniform coverage. Having supplemental fills allows for specific system adjustments to cover each area that acoustically differs from the larger open main floor space.
For purpose-built venues of this type, subwoofers can often be integrated into, or perhaps concealed within, the stage front. Where possible, array the subwoofers evenly across the front of the stage to avoid the “power alley” effect caused by positioning them at the extreme right & left of the proscenium. Overhead subwoofer suspension may warrant cardioid or forward-steered arrays to raise bass levels in the seating while preserving GBF (Gain Before Feedback) on the stage.

AMPLIFIER

For maximum system performance and longevity, the loudspeakers must be properly powered to achieve the needed sound pressure level (SPL) in the listening area.  Refer to the product spec sheets for appropriate amplifier ratings.

PROCESSING AND PROTECTION

To properly process, equalize and protect the loudspeaker systems, it is recommended to use the Community dSPEC226 digital signal processor.

Some amplifiers have built-in processing which may be adequate when properly programmed. Community's suggested DSP settings can be found HERE.

All of the loudspeakers require an electronic high pass filter for protection against over-excursion from bass-heavy program material.

Loudspeaker protection on the dSPEC226:
Protection is handled by three stages of protective limiters: these include a short-term peak limiter to prevent over-excursion of drivers and to control amplifier clipping; a mid-term RMS limiter that prevents system overdrive; and a unique long-term power monitor that works to protect your loudspeakers from long-term thermal damage.  All three limiters operate interactively, providing unique driver protection, while allowing each loudspeaker’s full dynamic range to be utilized without compromise.

 

WIRING

When considering the distance between the amplifier and the loudspeaker(s), the following minimum cable gauges are suggested.

Less than 50 feet: 14 AWG
50 to 100 feet: 12 AWG
100 to 250 feet: 10 AWG

It is strongly recommended that all loudspeaker level wire be stranded, twisted and never shielded. Loudspeaker wires should not be connected to earth ground or supporting structures.

 

TECH SUPPORT

For technical and applications assistance, please contact the Community TAG Team (Technical Applications Group) at 1+(610) 876-3400 or tagteam@communitypro.com.

 

DESIGN GUIDE

To view the entire Presentation & Performance Loudspeaker System Design Reference Guide, click HERE.