SW1X AMP I “Genie” Integrated Amplifier

SW1X Audio Design™ AMP I “Genie” Performance Level 1/2 Integrated Amplifier


AMP I is essentially a 2 gain stage Power Amplifier coupled with a High Quality Pre-amplifier.

EL84 power pentodes are known for their energetic and musical qualities being a very popular tubes due to their usage in the guitar amplifers and radious in the 1960s.

The Triode Connected EL84 maintains that musical & energetic sound character plus adds the refinement and drive of our higher performance amplifier range.

Available in different versions: Special PSE and the Push Pull version with integrated Phono or DAC options and different power output transformer options.

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SW1X Audio Design™ AMP I Integrated Amplifier Features:

  • Specially Selected and Harmonically Matched Component & Material Quality
  • Single Ended, Parallel SE Zero NFB or Push Pull, Class A, Power Pentode (Triode Connected) Valve Power Amplifier
  • Only 2 Amplification Gain Stage Design
  • 1 x 6N6P Triode driver/input Stage valves driving the 2 x El84 Triode Connected Power Pentode Valves
  • SW1X Audio DesignCustom Designed Copper wound M6 EICore (50 Watt) Signal Output Transformers
  • Quasi Mono, Directly Heated Double Diode Valve Rectified B+ Power Supply
  • Hybrid Point 2 Point Hardwiring Technique for the most consistent production results
  • Internally wired exclusively with our SW1X Genesis and Opus conductors
  • Orient grain M6 EI core mains Transformers & Chokes


Tube Compliment SE version:  1 x 6N6P, 2 x EL84, 1 x 5U4G

Tube Compliment PSE version:  2 x 6N6P, 4 x EL84, 2 x 5U4G

Tube Compliment PP version:  2 x 6N6P, 4 x EL84, 1 x 5U4G


Optional Extras

  • LPU I SPX or DAC I SPX build in inside
  • SW1X Audio DesignCustom Designed Super HiB or Ultra HiB DC core Signal Output Transformers
  • SW1X 24 Step Discrete Attentuator Volume Control
  • Fully Hardwired Tube Output Stage on the Bakelite Board




Single Ended, PSE or PP, Class A, Zero NFB, Output Power (W): 2 (4 PSE version, or 6 PP version), which sound at least like 15-35 Watts and the dynamic delivery feel like 150-350 W

depending on the topology, when paired with with High Sensitivity Speakers (min 96dB/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) 250 x Width (mm) 440 x Depth (mm) 400

Weight (kg): 21 (25 Phono or DAC integrated versions)





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

SW1X Audio Design Product Price List



We do not recommend purchasing a key system component without first auditioning it carefully, which is why we have demonstration rooms and a flexible home loan policy.

However in certain situations it can be difficult for people to get to our showroom and for those instances we can offer our mail order service.


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