SW1X Audio Design™ AMP III "Trinity"

Performance Level 3/4/5

45 DHT Integrated Amplifier

AMP III is a 2 gain stage Power Amplifier coupled with a High Quality Pre-amplifier using our in house designed and in house made stepped attenuator volume control.

The Directly Heated 45 Triodes at the output are well known for their superbly refined & magical sound signature. They are driven by 6SJ7 valves to produce the classic energetic & emotionally involving sound.

AMP III is extremely refined sounding & musical and also in the same powerful sounding Integrated Amplifier, especially when combined with high sensitivity speakers (99dB/W/1m sensitivty is recommended).

SW1X Audio Design™ AMP III Integrated Amplifier Features:

• Specially Selected and Harmonically Matched Component & Material Quality
• Single Ended, absolutely Zero NFB, Class A, Directly Heated Triode Valve Power Amplifier
• 2 x 6SJ7 Valve Driver/input Stage driving the 2 x 45 DHT Valves
• 2 Amplification 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
• Quasi Mono, Directly Heated Double Diode Valve Rectified B+ Power Supply
• SW1X 24 Step Discrete Attentuator Volume Control
• Orient grain M6 EI core mains Transformers & Chokes
• Valve rectified Fixed Bias Power Supply

Tube Compliment: 2 x 6SJ7, 2 x 45, 1 x 5U4G, 1 x 5Y3

AMP III is avaiable in 4 Versions with either Satin Silver or Matte Black front Panels with a 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 wiring on the Input, Bakelite Board and Output
• Silver wound SW1X Audio Design™ Custom Designed Super HiB or Ultra HiB DC core Signal Output Transformers
• Black Gate VK capacitors in the B+ power supply
• AN 2W non-magnetic Niobium resistors on a Hardwired Bakelite Board
• Super HiB double C-Core mains transformers
• Inter-stage signal decoupling capacitors: 1. Copper Foil in Oil or 2. Silver Foil capacitors
• AN 2W silver, non-magnetic, Tantalum resistors