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Esoteric Esoteric A-100, Brochure

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Esoteric Esoteric A-100 Brochure Download Page 16

A-100

Vacuum Tube

Stereo Power Amplifier

Stabilized power supplies

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). 

All stages except the KT-88 stage are powered by fully stabilized power 
supplies. The A-100 reproduces an exceptionally deep and finely detailed 
soundstage using this innovative power supply design.

M a s t e r  S o u n d  W o r k s

Summary of Contents for Esoteric A-100

Page 1: ...Esoteric tube technology Finally the true sound of the original master tapes Model A 100 3 stage tube amplifier ...

Page 2: ...M a s t e r S o u n d W o r k s Design Philosophy Amplifier Series ...

Page 3: ...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 Master Sound Works MSW Amplifier Series M a s t e r S o u n d W o r k s ...

Page 4: ...ach 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 Through these actions ESOTERIC advances the state of the art MSW Amplifier Series ...

Page 5: ... S o u n d W o r k s 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 MSW Amplifier Series ...

Page 6: ...M a s t e r S o u n d W o r k s 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 MSW MSW Amplifier Series ...

Page 7: ...Vacuum Tube Stereo Power Amplifier A 100 M a s t e r S o u n d W o r k s ...

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: ...or directly coupled triple stages Unique bias technology Custom output transformer Silver coating foil for 2nd order coil Evolving technology The essence of modern tube amplification Vacuum Tube Stereo Power Amplifier M a s t e r S o u n d W o r k s Evolving the technology The essence of modern tube amplification ...

Page 12: ...ication stage DC powered tube heater Mechanical chassis construction Two selectable bias modes A B A 100 Vacuum Tube Stereo Power Amplifier M a s t e r S o u n d W o r k s Evolving the technology The essence of modern tube amplification ...

Page 13: ... Input selector volume attenuator Selectable integrated mode operation Wireless remote controller A 100 Vacuum Tube Stereo Power Amplifier M a s t e r S o u n d W o r k s Evolving the technology The essence of modern tube amplification ...

Page 14: ...elivers highly sophisticated musical expression from it s advanced circuit design the perfect blend of power and high sensitivity KT 88s used by Esoteric are made in Slovakia where quality is strictly controlled in pairs The KT 88s are then burned in for at least one month before final assembly into the A 100 ...

Page 15: ...volving acoustic expression Directly coupled triple stages 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 superior performance A 100 Vacuum Tube Stereo Power Amplifier M a s t e r S o u n d W o r k s ...

Page 16: ...ed This design greatly contributes to the low noise design of the A 100 S N ratio greater than 98 db All stages except the KT 88 stage are powered by fully stabilized power supplies The A 100 reproduces an exceptionally deep and finely detailed soundstage using this innovative power supply design M a s t e r S o u n d W o r k s ...

Page 17: ...oil Esoteric s custom output transformer uses specially treated silver plated copper foil as the 2nd order coil This design provides ultra firm coupling properties between the 1st order coil achieving highly delicate and precise musicality M a s t e r S o u n d W o r k s ...

Page 18: ...n extremely rigid H structure and circuit components reside in a block configuration surrounding this mainframe design Implementing this massive chassis construction helps to isolate the unit from vibration and induced noise between circuit components M a s t e r S o u n d W o r k s ...

Page 19: ...m a back panel switch A mode might be selected for classical music but these decisions are totally subjective to the user A mode Slightly reduced bias current Slightly finer sound enhanced detail B mode Reference setting M a s t e r S o u n d W o r k s ...

Page 20: ... 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 M a s t e r S o u n d W o r k s ...

Page 21: ...orks as an integrated amplifier by selection from an operating switch on the rear panel This switch activates an input selector RCA x3 XLR x1 and includes a volume attenuator plus system remote control LINE IN Integrated amplifier mode DIRECT IN Power amplifier mode M a s t e r S o u n d W o r k s ...

Page 22: ...Remote controller A remote control with illumination keys for integrated amplifier mode is included M a s t e r S o u n d W o r k s ...

Page 23: ...nt 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 M a s t e r S o u n d W o r k s A 100 Vacuum Tube Stereo Power Amplifier ...

Page 24: ...Top view M a s t e r S o u n d W o r k s 12AT7 12AU7 Advanced bias circuit KT 88 H mainframe ...

Page 25: ...Bottom view M a s t e r S o u n d W o r k s Output transformer L x1 R x1 AC Power Transformer WBT 0710Cu Rhodium plated AC Power inlet Zero voltage control circuit Hand wired tube socket ...

Page 26: ...e KT88 x4 Drive stage 12AU7 x4 First stage 12AT7 x2 Vacuum Tubes WBT 0710Cu pole terminals x 1 pair 4 Ohms 8 Ohms Output terminals RCA x3 XLR x1 Input terminals 10 K Ohms Line in 1M Ohms Direct in Input impedance 400 mVrms 45 W 8 Ohms Input sensitivity more than 98dB JEITA S N ratio 20 Hz to 60 kHz at 1W 8Ohms 1dB 3dB Frequency response Minimum 45W 45W 1kHz 4 Ohms 8 Ohms Output power Main Specific...

Page 27: ...M a s t e r S o u n d W o r k s MSW Amplifier Series ...

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