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Its "easy to play" [45] style initiated a new market segment leading to today's home keyboard market. [46] The S series Chord Organ can be played via following interfaces: [44] 37-note keyboard for solo or chords; 96-chord buttons (12-semitones × 8-chords variation) for chords; 2 wire touch-plates for strumming effect; 2 bass pedals for root & 5th
Euler's Tonnetz. The Tonnetz originally appeared in Leonhard Euler's 1739 Tentamen novae theoriae musicae ex certissismis harmoniae principiis dilucide expositae.Euler's Tonnetz, pictured at left, shows the triadic relationships of the perfect fifth and the major third: at the top of the image is the note F, and to the left underneath is C (a perfect fifth above F), and to the right is A (a ...
A Curristor vacuum tube that had four types of nitrogen-filled, radioactive constant-current tubes with a current plateau from 25 to 500 V, all-glass wire-ended, active material is 226Ra with a half-life of 1601 years, for linear capacitor charging and draining in missile and ordinance mine timing circuits, instrumentation biasing, as current ...
An electric organ, also known as electronic organ, is an electronic keyboard instrument which was derived from the harmonium, pipe organ and theatre organ.Originally designed to imitate their sound, or orchestral sounds, it has since developed into several types of instruments:
The Wanamaker Organ is the largest fully functioning pipe organ in the world, based on the number of playing pipes, the number of ranks and its weight. [3] [4] It is a concert organ of the American Symphonic school of design, which combines traditional organ tone with the sonic colors of the symphony orchestra.
It is the only three-manual instrument built with pneumatic action that is still in its original condition in Canada today, 35 stops [9] Opus 281, 1907; St Marys, Ontario; United Church —upgraded many times over the years, including new pipe work and new console in 1979 and a solid state computer control system about 10 years ago.
Image credits: an1malpulse #5. Animal campaigners are calling for a ban on the public sale of fireworks after a baby red panda was thought to have died from stress related to the noise.
Continuously transmitting tubes: Maximum anode dissipation in W or kW in Class-C amplifier telegraphy; Pulsed transmitting tubes: Maximum peak anode current in A (number preceded by "P") Rectifiers: Maximum average anode current in mA; Thyratrons: Maximum average anode current: Less than 3 digits: in mA; 3 or more digits: 1st digit: =0 – in mA