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A super-cardioid microphone is similar to a hyper-cardioid, except there is more front pickup and less rear pickup. It is produced with about a 5:3 ratio, with nulls at 126.9°. This ratio maximizes the front-back ratio; the energy ratio between front and rear radiation. [50] [51] The sub-cardioid microphone has no null points. It is produced ...
The Shure SM58 is a professional cardioid dynamic microphone, ... (capable of providing phantom power for condenser ... The primary difference between the SM58 and ...
PZM is a trademarked by Crown. Crown's trademark on this approach is "Phase Coherent Cardioid" or "PCC," but there are other makers who employ this technique as well. Radio Shack and Tandy also use the PZM term for their particular design of a boundary mic, in which the condenser capsule was positioned slightly higher than the base plate. One ...
A cardioid can also be defined as the set of points of reflections of a fixed point on a circle through all tangents to the circle. [2] Cardioid generated by a rolling circle on a circle with the same radius. The name was coined by Giovanni Salvemini in 1741 [3] but the cardioid had been the subject of study decades beforehand. [4]
The Arlow-Abbe condenser is a modified Abbe condenser that replaces the iris diaphragm, filter holder, lamp and lamp optics with a small OLED or LCD digital display unit. The display unit allows for digitally synthesised filters for dark-field, Rheinberg, oblique and dynamic (constantly changing) illumination under direct computer control.
The U47 was the first condenser microphone switchable between cardioid and omni-directional pick-up patterns. It incorporated the highly successful 12-micron-thick M7 capsule and VF-14 tube amplifier, which was a metal-clad pre-World War II pentode changed to work as a triode. These microphones had evolved from the 1928 CMV3 "bottle" mic ...
In an environment where every second counts, a well-prepared plan can mean the difference between chaos and safety for both pets and their families. Vet recommends keeping pets calm during fires ...
It is caused by the use of ports to create directional polar pickup patterns, so omni-directional microphones do not exhibit the effect (this is not necessarily true of the "omni" pattern on multipattern condenser mics, which create the "omni" pattern by summing two back-to-back cardioid capsules, which may or may not share a common backplate.)