The single op-amp differential amplifier shown in Figure 1 is often used as an audio balanced line receiver. Obtaining high common-mode rejection is a critical requirement that requires four ...

A few summers of my misspent youth found me working at an outdoor concert venue on the local crew. The local crew helps the show’s technicians — don’t call them roadies; they hate that — put up the ...

In a balanced op-amp circuit, the op-amp inputs see equal impedances looking into the circuit. Balanced circuits provide better performance by cancelling some input errors and have a simple R F /R I ...

Back in my college days when PortaPaks were all the rage, one of the most helpful and practical resources I relied on was the "The Spaghetti City Video Manual: A Guide to Use, Repair and Maintenance," ...

I have a pair of Genelec speakers that I'd love to use at home (smaller, powered, and would mean I could ditch my amp and just use my TV for the HDMI switcher for the rare times I need it). The TV has ...

If you work in the professional audio field, you need to use balanced lines for long signal runs to prevent hum and noise pick-up. This Balanced/Unbalanced Converter is really two projects in one. It ...

Lisbon, Portugal, October 4, 2022 — ADDAC System introduces two new Eurorack modules: the ADDAC710 Balanced Outputs and the ADDAC711 Balanced Inputs. The new modules are designed to keep your modular ...