SW1X Audio Design™ MPA V Hercules
Performance Level 3/4/5
300B DHT Valve Mono Power Amplifier
Hercules 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 300B Triodes in combination with 6V6 triode connected driver tubes offer the presentation of the famous 300B valves yet with a powerful & full bodied sound.
The output valves are de-coupled by Interstage Transformers and driven by 6V6 power valves to enhance the sound of the 300B triodes with powerful & grungy character of the 6V6.
Combined with the finest Materials & Components, MPA V is refined & musical sounding, especially when combined with high sensitivity speakers
(93dB/W/1m sensitivty as a minimum recommended).
SW1X Audio Design™ MPA V Hercules 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 300B 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 our 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
Tube Compliment: 2 x 6J5, 2 x 6V6, 2 x 300B, 2 x 5U4G, 2 x 5Y3
MPA V Hercules 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
Note: Due to SW1X Audio Design’s ongoing research and development process, specifications are subject to change without notice
Specifications
Single Ended, Class A, Zero NFB, Output Power (W): 8, which sound at least like 60 Watts and the dynamic delivery feel like 500 W
when paired with with High Sensitivity Speakers (min 93dB/W/1m is recommended)
Input Sensitivity (V): 1
Input Impedance (Ohms): 47K or 100K
Output Impedance (Ohms): 4 & 8
Max Power Consumption (W): 200
Output Noise, Unweighted (mVrms): < 0.5
Dimensions (without tubes and feet): Height (mm) 200 x Width (mm) 250 x Depth (mm) 440
Weight (kg): 46 (pair)
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