MartinLogan - April 16, 2012

Testing

Even though the individual components are tested during the assembly process, the entire speaker is tested at the end as a completed system.

A run of ElectroMotion ESLs awaits final testing. The ElectroMotion ESL is MartinLogan's lowest-priced electrostatic-panel-based hybrid design, yet it goes through the same testing procedures as the more expensive models. The ElectroMotion ESL sells for $2200 USD per pair.

Each speaker is placed on a platform and tested for various electrical and acoustical properties . . .

. . . including phase and polarity.

Every speaker must receive a passing grade for all tests before it moves on to cleanup and packaging.

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