SW1X AMP II Integrated Amplifier

SW1X AMP II Integrated Amplifier

SW1X Audio Design™ AMP II Performance Level 2/3 Integrated Amplifier

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

It therefore is not only extremely transparent but also very musical and powerful sounding Intergated Amplifier.

The Triode Connected 6V6G Power Valves offer the same level of scale and holography as the Directly Heated Triodes without being DHT.

Available in different versions: Special and the limited Signature version with different power output transformer options (Permalloy or SHiB and UHiB) and all Copper or Copper/Silver windings

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SW1X Audio Design™ AMP II Integrated Amplifier Features:

Specially Selected and Harmonically Matched Component & Material Quality
Single Ended, Zero NFB, Class A, Power Pentode (Triode Connected) Valve Power Amplifier
Only 2 Amplification Gain Stages
2 x 6J5 Triode driver/input Stage valves driving the 2 x 6V6G Triode Connected Power Pentode Valves
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
Orient grain M6 EI core mains Transformers & Chokes
SW1X 24 Step Discrete Attentuator Volume Control

Tube Compliment: 2 x 6J5, 2 x 6V6, 1 x 5U4G

Optional Extras

Fully Hardwired Tube Output Stage on the Bakelite Board
Fine Silver wiring on the Input, Bakelite Board and Output
SW1X Audio Design™ Custom Designed & Fully or Partly Silver wound 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

Specifications

Single Ended, Class A, Zero NFB, Output Power (W): 2.5, 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): 2.5

Input Impedance (Ohms): 47K or 100K

Output Impedance (Ohms): 4 & 8

Max Power Consumption (W): 200

Output Noise, Unweighted (mVrms): < 0.5

Dimensions: Height (mm) 250 x Width (mm) 440 x Depth (mm) 400

Weight (kg): 21

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.