Powering

Some articles on powering:

Phantom Voltage - History
... Phantom powering was used in telephone systems since the introduction of the rotary-dial telephone in 1919 before it was applied to condenser microphones. 9–12 volt DC phantom power the positive pole of this powering was grounded ... Microphone preamplifiers of the Nagra IV-series tape recorders offered this type of powering as an option for many years and Schoeps continued to support "negative phantom" until the CMT ...
Phantom Voltage - Other Microphone Powering Techniques
... T-power, also known as A-B powering or 12T, described in DIN 45595, is an alternative to phantom powering that is still widely used in the world of production film sound ... Many older Sennheiser, and Schoeps microphones use this powering method ... between microphones featuring this method, and microphones with P48 powering ...
Small Appliance - Powering
... A few gasoline and gas-powered appliances exist for use in situations where electricity is not expected to be available, but these are typically larger and not as portable as most small appliances ... Items that perform the same function as small appliances but are hand powered are generally referred to as tools or gadgets, for example a hand cranked egg beater, a grater, a mandoline, or a hand-powered meat grinder ...
Phantom Voltage - Technical Information
... Phantom powering consists of a phantom circuit where direct current is applied equally through the two signal lines of a balanced audio connector (in ... When phantom powering was introduced, one of its advantages was that the same type of balanced, shielded microphone cable that studios were already using for dynamic microphones ... of the differences in voltage between two signal lines phantom powering places the same DC voltage on both signal lines of a balanced connection ...