SW1X Audio Design™ MPA I Neptune

Performance Level 2/3

6V6 Valve Push Pull Mono Power Amplifier

MPA I Neptune is a Pure Class A, Zero Negative Feedback, Fully Valve Rectified, Push Pull, 3 Gain Stage, Mono Power Amplifier.

The powerful & grungy character of the triode connected 6V6G output tubes in combination with 6SJ7 and 6SN7 input and driver tubes offer the articulate presentation with a powerful & full bodied sound.

Combined with the finest Materials & Components, MPA I is refined & musical sounding, especially when combined with higher sensitivity speakers.

(91-93dB/W/1m sensitivty is recommended).

SW1X Audio Design™ MPA I Neptune Mono Power Amplifier Features:

• Specially Selected and Harmonically Matched Component & Material Quality
• Push Pull, Zero NFB, Class A, Valve Power Amplifier
• 6SJ7 input Stage, 6SN7 phase inveter tubes driving the triode connected 6V6 Valves
• 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 (50 Watt Core) Signal Output Transformers
• Mono, Directly Heated Double Diode Valve Rectified B+ Power Supply
• Orient grain M6 EI core mains Transformers & Chokes
• Fixed Bias Power Supply

Tube Compliment: 2 x 6SJ7, 2 x 6SN7, 4 x 6V6G, 2 x 5U4G

MPA I Neptune is avaiable in 2 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

Note: Due to SW1X Audio Design's ongoing research and development process, specifications are subject to change without notice