SW1X AMP IV Aura - Select a variant: Classic
SW1X AMP IV Aura - Select a variant: Classic
AMP IV is a Pure Class A 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. More
Product code: P00223-3 Shipping and Payment
AMP IV is a Pure Class A 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. More
Product code: P00223-3 Shipping and Payment
AMP IV is not only extremely musical but also powerful and in the same time refined sounding Integrated Amplifier.
SW1X Audio Design™ AMP IV Integrated Amplifier Features:
- Specially Selected and Harmonically Matched Component & Material Quality
- Pure Class A, Single Ended, Directly Heated Triode, absolutely Zero NFB Valve 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 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 6SN7, 2 x 2A3, 1 x 5U4GB, 1 x 5Y3
AMP IV 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
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