SW1X AMP IV “Aura” Integrated Amplifier

SW1X Audio Design™ AMP IV “Aura” Performance Level 4/5 Integrated Amplifier

 

AMP IV is a 3 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 2A3 Triodes at the output are well known for their linear & full bodied sound signature. They are driven by 6SN7 valves to produce the classic energetic & emotionally involving sound.

AMP IV is not only extremely musical but also powerful and in the same time refined sounding Integrated Amplifier.

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SW1X Audio Design™ AMP IV 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 6SN7 Triode driver/input Stage Valves driving the 2 x 2A3 DHT Valves
  • 3 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 DesignCustom 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 6SN7, 2 x 2A3, 1 x 5U4GB, 1 x 5Y3

 

Optional Extras

  • Silver wound SW1X Audio DesignCustom Designed Super HiB or Ultra HiB DC core Signal Output Transformers
  • Fully Hardwired Tube Output Stage on the Bakelite Board
  • Fine Silver wiring on the Input, Bakelite Board and Output
  • 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

 

 

Specifications

Single Ended, Class A, Zero NFB, Output Power (W): 4, which sound at least like 25 Watts and the dynamic delivery feel like 250 W

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): 25

 

 

 

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

 

Ordering

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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