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Esoteric A-100 Brochure

Esoteric A-100 Brochure

Msw amplifier series 3 stage tube amplifier
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Model A-100
3 stage tube amplifier
Esoteric tube technology
Finally........the true sound of the original master tapes!

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Summary of Contents for Esoteric A-100

  • Page 1 Model A-100 3 stage tube amplifier Esoteric tube technology Finally.…….the true sound of the original master tapes!
  • Page 2: Design Philosophy

    M a s t e r S o u n d W o r k s Amplifier Series Design Philosophy...
  • Page 3 M a s t e r S o u n d W o r k s MSW Amplifier Series Master Sound Works Master Sound Works ("MSW") is the result of over twenty one years' accumulation of high-end audiophile technologies. MSW represents a further revolution in reference quality sound, as developed and implemented by ESOTERIC innovation and engineering.
  • Page 4 M a s t e r S o u n d W o r k s MSW Amplifier Series Master Sound Works …Original master tapes faithfully record each and every piece of information within a work of music. By faithfully extracting and reproducing such a large amount of information, ESOTERIC generates a feeling of realism that you have never experienced before.
  • Page 5 MSW Amplifier Series Master Sound Works …Confidence in this belief is what motivated ESOTERIC - a long-time developer of magnetic tape recording - to invest a vast amount of R&D, time and effort, all of which culminated in MSW amplifiers.
  • Page 6 M a s t e r S o u n d W o r k s MSW Amplifier Series Master Sound Works The MSW amplifier line is a series of products that perfectly reproduces the power and beauty contained within traditional digital masters and original master tapes.
  • Page 7 M a s t e r S o u n d W o r k s Vacuum Tube Stereo Power Amplifier A-100...
  • Page 8 M a s t e r S o u n d W o r k s...
  • Page 9 M a s t e r S o u n d W o r k s...
  • Page 10 M a s t e r S o u n d W o r k s...
  • Page 11 (x2) Drive stage:12AU7 (x4) Last stage:KT-88 (x4) ■ DC voltage control circuit for directly-coupled triple stages ■ Unique bias technology ■ Custom output transformer (Silver coating foil for 2 order coil) Stereo Power Amplifier Evolving technology. A-100 Vacuum Tube...
  • Page 12 M a s t e r S o u n d W o r k s A-100 Vacuum Tube Stereo Power Amplifier Evolving the technology. The essence of modern tube amplification ■ Stabilized power supply for amplification stage ■ DC powered tube heater ■...
  • Page 13 M a s t e r S o u n d W o r k s A-100 Vacuum Tube Stereo Power Amplifier Evolving the technology. The essence of modern tube amplification ■ Ultra high grade parts selection ■ Input selector / volume attenuator (Selectable integrated mode operation) ■...
  • Page 14 M a s t e r S o u n d W o r k s KT-88 UL Push-Pull KT-88s are well known for their powerful sound. The A-100 delivers highly sophisticated musical expression from it’s advanced circuit design - the perfect blend of ‘power’...
  • Page 15 Unique active bias circuit The A-100 features a unique and advanced bias circuit. This circuit compensates the bias voltage supplied to the output stage, detecting the cathode current and the driving level, providing very high linearity and...
  • Page 16 DC powered tube heater All tubes except the KT-88 are DC heated. This design greatly contributes to the low noise design of the A-100 (S/N ratio:greater than 98 db). A-100 Vacuum Tube Stereo Power Amplifier...
  • Page 17 M a s t e r S o u n d W o r k s Custom output transformer (Silver plated copper foil as the 2 Esoteric’s custom output transformer uses specially treated silver plated copper foil as the 2 order coil.
  • Page 18 M a s t e r S o u n d W o r k s Mechanical chassis construction Power supply and output transformers are held by an extremely rigid “H” structure and circuit components reside in a block configuration surrounding this mainframe design.
  • Page 19 M a s t e r S o u n d W o r k s Two bias modes Two bias modes (A or B), selectable from a back panel switch. A mode might be selected for classical music but these decisions are totally subjective to the user.
  • Page 20 M a s t e r S o u n d W o r k s Ultra high grade parts selection Signal loss is kept to a minimum with the use of high grade audiophile parts. RCA input terminal: WBT-0201 Speaker terminal: WBT-0710Cu nextgen AC power inlet: Rhodium plated with low temperature treatment...
  • Page 21 M a s t e r S o u n d W o r k s Input selector / Volume attenuator The A-100 is designed for pure power amplification but it also works as an integrated amplifier by selection from an operating switch on the rear panel.
  • Page 22: Remote Controller

    M a s t e r S o u n d W o r k s Remote controller A remote control with illumination keys for integrated amplifier mode is included...
  • Page 23 M a s t e r S o u n d W o r k s A-100 Vacuum Tube Stereo Power Amplifier Three pinpoint isolation feet Three pinpoint isolation feet made of quenched steel (patent pending), enables stable placement of the extra-heavy chassis and enhances the rigid, vibration- free construction of the A-100.
  • Page 24 Top view “H” mainframe M a s t e r S o u n d W o r k s 12AT7 12AU7 Advanced bias circuit KT-88...
  • Page 25 WBT-0710Cu Rhodium plated AC Power inlet Zero voltage control circuit Hand wired tube socket M a s t e r S o u n d W o r k s Bottom view Output transformer (L x1 / R x1) AC Power Transformer...
  • Page 26: Main Specifications

    M a s t e r S o u n d W o r k s Main Specifications Output power Frequency response S/N ratio Input sensitivity Input impedance Input terminals Output terminals Vacuum Tubes Power supply Power consumption External dimensions (W×H×D mm) Weight Minimum 45W+45W (1kHz, 4 Ohms / 8 Ohms)...
  • Page 27 M a s t e r S o u n d W o r k s MSW Amplifier Series...