SW1x MPA III “Oracle” Mono Power Amplifier
SW1X Audio Design™ MPA III "Oracle"
45 DHT Mono Power Amplifier
MPA III is a Pure Class A, Zero Negative Feedback, Directly Heated Triode, Fully Valve Rectified, Single Ended, 3 Gain Stage, Interstage Transformer coupled, Mono Power Amplifier.
The Directly Heated 45 Triodes at the output are well known for their superbly refined & magical sound signature.
The 45 valves are de-coupled by output transformers and driven by 6V6 power valves to enhance the refined sound of the 45 triodes with powerful & grungy character of the 6V6.
Combined with the finest Materials & Components, MPA III is extremely refined & musical sounding, especially when combined with high sensitivity speakers (99dB/W/1m sensitivty is recommended).
SW1X Audio Design™ MPA III Mono Power Amplifier Features:
- Specially Selected and Harmonically Matched Component & Material Quality
- Single Ended, absolutely Zero NFB, Class A, Directly Heated Triode Valve Power Amplifier
- 6V6 Valve Driver/6J5 input Stage driving the 45 DHT Valves
- Interstage Transformer de-coupled, 3 Gain Stage Design
- Hybrid Point 2 Point Hardwiring Technique for the most consistent production results
- Internally wired exclusively with SW1X Magnum, Genesis and Opus conductors
- SW1X Audio Design™ Custom Designed Copper wound Super HiB DC Core (50 Watt) Signal Output Transformers
- Mono, Directly Heated Double Diode Valve Rectified B+ Power Supply
- Orient grain M6 EI core mains Transformers & Chokes
- Valve rectified Fixed Bias Power Supply
MPA III Oracle is avaiable in 4 Versions with following output transformer (OPTs) specifications:
- Standard: SW1X Audio Design™ all Copper wound, orient grain M6 EI Core OPTs
- Special: SW1X Audio Design™ all Copper wound Super HiB DC Core OPTs
- Classic: SW1X Audio Design™ Copper/Silver Windings, Super HiB DC Core OPTs
- Signature: SW1X Audio Design™ Silver/Silver Windings, Super HiB DC Core OPTs
Optional Extras
- Fully Hardwired Tube Output Stage on the Bakelite Board
- Fine Silver Hardwiring of the Bakelite Board
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Authorized dealers for SW1x MPA III “Oracle” Mono Power Amplifier
- Audio Gallery — online and in-store — Las Rozas de Madrid, Comunidad de Madrid, Spain (website)
- gestalt FINE AUDIO — in-store — Nashville, Tennessee, United States (website)
- Live Fidelity — in-store — Utrecht, Utrecht, Netherlands (website)
- Mimic Audio — online and in-store — Chicago, Illinois, United States (website)
- Perfect sense Audio — in-store — Stockholms län, Sweden (website)
- Super HiFi by Audiostudio — in-store — Olomoucký kraj, Czech Republic (website)