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Maximum sound with minimum mics

Maximum sound with minimum mics
12 Audix M1280Bs cardioid mics hang above the choir

Maximum sound with minimum mics


The Ark of Salvation, a Slavic Pentecostal church in Inman, South Carolina, enlisted Paul Korchak of Digital Pro Sound to update its sound system, with the project specification stating a requirement for the best possible sound with the least number of microphones. The church’s choir features between 120 and 200 singers, so as to adhere to the brief while ensuring adequate coverage, Mr Korchak hung 12 Audix M1280Bs cardioid mics overhead, in two rows of six.

SCX25A microphones on a Mirizio piano microphone mount
SCX25A microphones on a Mirizio piano microphone mount

‘I used the M1280s for their sound quality and their ability to capture just about every detail in the choir without picking up peripheral noise,’ noted Mr Korchak. ‘The church records every service and makes them available on the internet, so audio quality is critical. They were very impressed with the M1280s, both the sound and the look: they thought they looked cool.’

Accompanying the choir is a baby grand piano, which Mr Korchak has captured with an Audix SCX25APS piano miking kit. Rather than use the DFLEX harp rail mounts provided with the kit, Mr Korchak mounted the pair of SCX25A microphones with a Mirizio piano microphone mount. ‘Everyone loves the SCX25As; they capture the full tonal range of the piano with no drop outs,’ said Mr Korchak

Meanwhile, an Audix MicroBoom MB5050 choir miking system has also been employed to accommodate the occasional children’s choir, walk-up acoustic instrument, small orchestra, drama performance, and any other special musical performance.

The Audix MicroBoom MB5050 choir miking system
The Audix MicroBoom MB5050 choir miking system

A pair of Audix Micropod18HC gooseneck miniaturised condenser microphones, with the hypercardioid pattern for tighter pick-up, have been installed on the podium, set to capture two people speaking side by side. 'When both mics are active, one mic can be flipped out of phase with the other,’ explained Mr Korchak. ‘Together with the hypercardioid pattern and a Rupert Neve 5045 enhancer – which allows an increase in gain before feedback – both feedback and distortions are eliminated.’

Sound capture by the church’s roster of Audix mics is delivered to the congregation via 18 Nexo speakers and back to the performers by six Nexo monitors. Mr Korchak also measured the sanctuary with an Audix TM1 test and measurement microphone, using the data to fabricate and install 180 custom acoustic panels.

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