#Bk butler real tube tube driver#
By directly interfacing the mechanical-electrical speaker load with twin triode vacuum tube drivers, Tube Driver BLUE produces the response and tonality of 'all tube' power amplifiers.Tube Driver BLUE accurately fulfills both of these essential requirements for tube sound: Weighting of harmonic distortion components in the amplifier's overload region." Sound quality.where there is a mechanical-electrical interface." ".power amplifiers driving speakers."Ģ) "The basic cause of the difference in tube and transistor sound is the Transistors - Is There AnĪfter critical subjective and in-depth technical analysis, these two essential areas defining vacuum tube sound were disclosed:ġ) "Our extensive checking indicated.a definite audible difference in the Sound quality of vacuum tube equipment: Tubes vs. York (AES) published the most definitive study ever undertaken regarding the In May 1973, the prestigious Journal of the Audio Engineering Society of New Tube Driver BLUE succeeds in operating at 1/10th the THD with more than 10 times the power while maintaining real vacuum tube tonality! Hear the original essence of vacuum tubes with Tube Driver BLUE! Conventional open-ended vacuum tube amplifiers often exhibit real world THD of 2% or greater and are generally limited to very low output power. This achievement is almost unheard of in an open-ended, ZERO negative global feedback hi-fi amplifier. This unique, Patented design reduces Total Harmonic Distortion (THD) to typically LESS than 0.10%. Tube Driver BLUE utilizes the Edison Effect to automatically enhance biasing of the audiophile-quality Sanken bi-polar power output devices. This discovery of vacuum tube thermionics is the basis of modern electron tube theory the foundation for the entire electronics industry! The unknown phenomenon was first called "Hammer's Phantom Shadow", but when Edison patented the light bulb in 1883, it became known as the "Edison Effect". He noted a faint blue glow around the positive pole in a vacuum bulb and a blackening of the wire and the bulb at the negative pole. Was in charge of testing early light globes. Hammer, a young engineer employed by Thomas A. Using previously unknown proprietary techniques, BKīutler has applied the essence of the world's first vacuum tube into
Therefore, Tubeĭrive BLUE creates the ideal electrical environment for classic vacuum tube characteristics. Tubes operate in a safe, near plate-saturated mode continuously. It also eliminates one of the most problematic components that plagues virtually all other vacuum tube amplifier designs: the Output Transformer.Ĭoupled with novel output load mirroring circuitry, hand-selected twin triode Tube Driver BLUE produces the best Vacuum Tube audio with a completely open-ended design (ZERO global degenerative negative feedback).
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