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A speaker L pad is a special configuration of rheostats used to control volume while maintaining a constant load impedance on the output of the audio amplifier. [1] It consists of a parallel and a series rheostat connected in an "L" configuration.
The L-pad computation assumes that port 1 has the highest impedance. If the highest impedance happens to be the output port, then use this figure. Unique resistor designations for Tee, Pi and L pads. The attenuator two-port is generally bidirectional. However, in this section it will be treated as though it were one way.
A variable L pad is a power divider circuit that provides an adjustable power level to a speaker while maintaining a constant load impedance on the amplifier. [ 1 ] Another approach uses a variac or power scaling circuit, which reduces the B+ supply voltage available to the power tubes thus producing power tube distortion at a reduced level ...
Controls for turning the speakers on/off, adjusting volume and bass are located on the right satellite speaker which also accommodates a headphone out and 3.5mm input jack. Z120 2011 2.1 1.2W No — Analog line-in Controls for turning the speakers on/off and adjusting volume on the right speaker Z-5300 2003 5.1 Subwoofer: 100w; Satellites: 180w
The Paragon is a horn-loaded, stereo speaker system within a single 9-foot-wide (2.7 m) housing. [3] It is based on a diffusion principle developed by Richard Ranger as consultant to JBL. Launched in 1957, the Paragon is the world's earliest production stereo loudspeaker for home use, [5] and also the most expensive speaker at the time. [2]
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Acoustic Research was a Cambridge, Massachusetts-based company that manufactured high-end audio equipment. The brand is now owned by VOXX.Acoustic Research was known for the AR-3 series of speaker systems, which used the 12 in (300 mm) acoustic suspension woofer of the AR-1 with newly designed dome mid-range speaker and high-frequency drivers.
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