SW1X Audio Design AMP I Genie

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

EL84 power pentodes are known for their energetic and musical qualities being a very popular tubes due to their usage in the guitar amplifers and radious in the 1960s.

The Triode Connected EL84 maintains that musical & energetic sound character plus adds the refinement and drive of our higher performance amplifier range.

Available in different output stage topologies and versions: PSE and the Push Pull (PP) version with integrated Phono (LPX) or DAC (DX) options and different power output transformer options.

SW1X Audio Design™ AMP I Integrated Amplifier Features:

• Specially Selected and Harmonically Matched Component & Material Quality
• Single Ended, Parallel SE Zero NFB or Push Pull, Class A, Power Pentode (Triode Connected) Valve Power Amplifier
• Only 2 Amplification Gain Stage Design
• 1 x 6N6P Triode driver/input Stage valves driving the 2 x El84 Triode Connected Power Pentode Valves
• SW1X Audio Design™ Custom Designed Copper wound M6 EICore (50 Watt) Signal Output Transformers
• Quasi Mono, Directly Heated Double Diode Valve Rectified B+ Power Supply
• Hybrid Point 2 Point Hardwiring Technique for the most consistent production results
• Internally wired exclusively with our SW1X Genesis and Opus conductors
• Orient grain M6 EI core mains Transformers & Chokes

Tube Compliment SE version: 1 x 6N6P, 2 x EL84, 1 x 5U4G

Tube Compliment PSE version: 2 x 6N6P, 4 x EL84, 2 x 5U4G

Tube Compliment PP version: 2 x 6N6P, 4 x EL84, 1 x 5U4G

SW1X Audio Design™ AMP I LPX Phono Integrated Features:

• As the AMP I SE above but additionally with a LPU I Phono stage to match
• MM Phono Pre-amplifier is suitable for all moving magnet (MM) or moving coil (MC) in combination with a matching SUT
• Classic 2 Gain Stage Pentode Input-RIAA-Triode Output Design
• Based on 2 x EF86 Pentode Valves on the Input and 6N6P/5687 Double Triode on the Output
• Pure Class A, Zero NFB, Single Ended, all Valve Amplification RC Circuit Topology
• Active Series-Resistor-less RIAA Equalization
• 5Y3 Valve Rectified CLC2RC (choke filtered) B+ Power Supply
• Maximum Input Voltage: 350mV
• 47K Input Impedance

Additional Tube Compliment: 2 x EF86, 1 x 6N6P / 5687, 1 x 5Y3

SW1X Audio Design™ AMP I DX DAC Integrated Features:

• As the AMP I SE above but additionally with a DAC I stage to match
• Pure NOS (Non oversampling – zero digital domain filtering) design
• Based on 1x TDA1543 – one of the most musical and purist DAC chips ever made directly connected to CS8414 S/PDIF receiver
• Pure Class A, Anode Follower, Zero Negative Feedback, Single Ended RC (resistive loaded, capacitive de-coupled) Valve Amplification Topology
• 6N6P Double Triode Driver Valve Output Stage
• Valve rectified CLC (choke filtered) HV power supply
• Discrete Transistor, Shunt Voltage Regulated Low Voltage Power Supplies
• Supports up to 24Bit/96kHz digital coaxial S/PDIF signal input

Additional Tube Compliment: 1 x 6N6P, 1 x 6X5

Optional Extras

• SW1X Audio Design™ Custom Designed Super HiB DC core Signal Output Transformers
• SW1X 24 Step Discrete Attentuator Volume Control
• Fully Hardwired Tube Output Stage on the Bakelite Board

Specifications

Single Ended, PSE or PP, Class A, Zero NFB, Output Power (W): 2 (4 PSE version, or 6 PP version), which sound at least like 15-35 Watts and the dynamic delivery feel like 150-350 W
depending on the topology, 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): 21 (25 Phono or DAC integrated versions)

Note: Due to SW1X Audio Design’s ongoing research and development process, specifications are subject to change without notice

SW1X Audio Design® Range of Integrated Amplifiers

It is all about Quality and not Quantity.

All of our Integrated Amplifiers are Pure Class A Valve Amplification with Zero NFB and most of them are Single Ended, producing therefore super Quality 2-8 Watts of power, which sound like 20-80 Watts when paired with with High Sensitivity Speakers (min 96dB/W/1m is recommended), where damping and dynamic delivery feels like 200-800 W

Being Valve amplifiers operated in Pure Class A, Single Ended mode without any kind of feedback, the circuit design is as elegantly simple as it can get.

Therefore, the quality of amplification is almost entirely dependent on the factor of Quality of Materials & Componets employed in the circuit design.

All our Integrated Amplifiers are offered in 4 versions:

• STD, all Copper wound, orient grain M6 EI Core OPTs
• Special, all Copper wound Super HiB DC Core OPTs
• Classic, Copper/Silver Windings, Super HiB DC Core OPTs
• Signature, Silver/Silver Windings, Super HiB DC Core OPTs

AMP I is offered in Single Ended (SE), Parallel Single Ended (PSE) and Push Pull (PP) topologies, comes in 2 Versions (STD and Special) and also can be ordered with LPU Phono and DAC I Option.

AMP I “Genie” SE (with LPU Phono “LPX” or DAC I “DX” Option)

• Tube compliment: 1 x 6N1P Driver, 2 x EL84, 1 x 5U4G DHD Rectifier
• Copper wound, orient grain M6 EI Core or Super HiB DC Core (50 Watt) Signal Output Transformers
• Power Output about 2W depending on the tube and bias

AMP I “Genie” PSE

• Tube compliment: 2 x 6N1P Driver, 4 x EL84, 2 x 5U4G DHD Rectifier
• Copper wound, orient grain M6 EI Core or Super HiB DC Core (50 Watt) Signal Output Transformers
• Power Output about 4W depending on the tube and bias

AMP I “Genie” PP

• Tube compliment: 2 x 6CG7 Driver, 4 x EL84, 1 x 5U4G DHD Rectifier
• Copper wound, orient grain M6 EI Core or Super HiB DC Core (50 Watt) Signal Output Transformers
• Power Output about 6W depending on the tube and bias