Question. If I’m setting up a 5.1-channel speaker-system, must all speakers come from the same brand, with identical system specs, for ideal audio performance? What will happen if a 5.1 system ...

Dual-band impedance transformers and matching networks are pivotal components in modern high-frequency systems, facilitating efficient power transfer between disparate circuit elements by converting ...

Peter Sheridan, purchasing manager for EFACEC, gave a short history of the EFACEC Power Transformers facility in Effingham County during a recent visit as guest speaker of the Effingham Exchange Club.