SW1X AMP III “Trinity” Integrated Amplifier

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 our 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

Reviews

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

SW1X Audio Transformers

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