WJEL34 / 6L6 Class A Single-Ended Pure Tube Amplifier
Brand-new appearance design | One-click tube switching between two types | Fully hand-built point-to-point wiring structure
Vintage tube chassis matched with youthful color scheme, blending retro aesthetics and modern style. Single-ended output: 8W into 8Ω. Low-distortion & low-noise driver circuit.
WJEL34/6L6 is a single-ended amplifier compatible with two types of power tubes. One EL34 / 6L6 vacuum tube is employed per channel for power amplification. Each left and right channel uses an independent 12AU7 tube in the driver stage, while a 5U4G tube handles rectification in the power supply section, delivering a maximum output power of 7.5–8W.
EL34 Tonality Characteristics
Rich, luscious midrange, rendering vocals and strings silky and expressive
Bright, refined treble with excellent extension, free from harshness
Tight, elastic bass with moderate depth, avoiding bloated low end
Open and transparent overall presentation, bright yet non-fatiguing. Ideal for vocal music, pop, jazz and small-scale classical works.
6L6 Tonality Characteristics
Balanced and solid full frequency response without obvious peaks or dips, offering long-term listening comfort
Plush yet restrained midrange for natural vocals and authentic instrumental texture
Mellow, smooth treble
The WJEL34/6L6 features traditional handcrafted point-to-point wiring inside. The construction resists arcing under humid conditions, delivers reliable heat dissipation, maintains low noise, enables easy maintenance and ensures low failure rates.
Transformers are wound with imported iron cores, featuring low internal resistance and high inductance for outstanding stability.
The enclosure adopts pure iron with high-temperature coating for superior oxidation resistance.
Pure iron casing provides dual shielding via magnetic permeability and electrical conduction. Given the strong magnetic field of the power transformer, the iron shell contains magnetic flux to prevent magnetic field leakage into the amplification circuit, eliminating AC hum and background noise.
It effectively isolates power supply harmonics, RF interference, mobile signal disturbance and mains hum, achieving an ultra-low noise floor.
Color Appearance
The main body adopts Haze Blue (Lake Blue), delivering a soft and refreshing tone. Different from conventional black and silver tube amplifiers widely available on the market, it presents a neat and elegant visual style that stands out among audio equipment. The vintage tube chassis is paired with youthful color tones, blending retro charm and modern aesthetics for high recognizability.
Structural Design
It features a two-layer split structure. The hollowed upper tube cover reveals the internal vacuum tubes directly; warm red glow radiates from the tubes after power-on, creating immersive ambient atmosphere.
The grille-style ventilated casing ensures effective heat dissipation, with neat, clean hollow lines. The geometric block silhouette carries a minimalist, sturdy profile with crisp outlines and strong three-dimensionality.
The front panel is finished with chamfered metal edges to elevate exquisite craftsmanship.
Front Panel Details
Two large-sized aluminum alloy knobs deliver solid tactile quality, paired with an ALPS27 potentiometer that offers excellent damped rotation feel.
Equipped with a metallic brand badge and dynamic waveform indicator lights, it boasts abundant detailing and avoids the stodgy aesthetic of vintage audio equipment.
Overall Style
Boasting a neat, angular silhouette with compact dimensions, it fits perfectly as desktop-grade equipment and blends harmoniously on any desk.
It balances the professional aura of high-fidelity audio gear with the decorative appeal of an art ornament, achieving outstanding visual recognizability.
The rear panel boasts meticulous craftsmanship. Gold-plated RCA signal inputs, transparent crystal binding posts for 4Ω / 8Ω multi-impedance outputs are arranged in segmented layout. Clear and neat bilingual silk-screen markings are applied. It is fully equipped with wide-voltage IEC socket and A/B source selector switch. All functional connectors are neatly arranged for a tidy visual appearance.
Metal feet elevate the chassis to optimize heat dissipation and stability. This amplifier perfectly integrates the mellow tonal charm of vintage tube amps, precise mechanical industrial aesthetics and minimalist modern home decor style.
It excels in both appearance and build quality. Not merely an audio device, it also serves as an elegant desktop acoustic ornament.
Internal Layout Partition
The yellow PCB on the left independently accommodates the power transformer, high-voltage filter capacitors and rectification components, gathering all high-voltage power circuitry on the left side.
The entire right section is reserved for signal amplification tubes, volume potentiometer and input & output terminals, grouping all low-level audio signal circuits on the right.
Physical separation between high-power and low-signal circuits drastically suppresses power supply interference coupling into the audio path. This professional tube amplifier layout effectively lowers noise floor and AC hum.
All input RCA terminals are positioned along the far left edge, while output binding posts sit on the far right. The signal routing path is orderly without crosstalk induced by overlapping wiring.
2. Premium Component Selection
Vintage audiophile-grade parts deliver supreme tactile and sonic quality.
1、Capacitors: Abundant usage of branded electrolytic capacitors and EPOCOS high-voltage audio capacitors. These are classic audiophile capacitors widely adopted in Hi-Fi tube amplifiers, featuring excellent voltage resistance and outstanding acoustic performance.
2、Tube Sockets: Fully gold-plated ceramic tube sockets. Great insulation, oxidation resistance and low contact resistance, ideal for long-term operation under high voltage.
3、Transformer: Shielded encapsulated power transformer equipped with an outer metal shield cover to suppress magnetic leakage interference from power frequency.
4、Terminals: Pure copper gold-plated RCA inputs and large copper speaker binding posts to minimize contact loss.
5、Resistors and capacitors are premium vertical audio-specified components. No cheap salvaged or generic aftermarket parts are used.
3. Standardized Wiring & Categorized Cable Management
1、Color-coded wiring for distinct functions: Red for high voltage, yellow-green for ground, grey/white for audio signal cables, and coloured wires for minor signal leads, making maintenance and debugging straightforward.
2、Multi-strand shielded signal cables are deployed for critical audio paths. Low-level signals at the volume potentiometer and tube input stage are fully shielded to block external electromagnetic interference.
3、Wiring is kept short and direct. High-current power cables intersect audio signal cables perpendicularly instead of running parallel over long distances, avoiding magnetic coupling interference.
4、Abundant cable ties and fixing points neatly secure excess wiring. No loose dangling wires, maintaining a tidy internal layout.
5. Sophisticated Grounding System Design
Multiple independent ground star points are implemented. Power ground, signal ground and chassis ground are separated to eliminate AC noise induced by ground loops. Chassis screws are grounded with gaskets to ensure full shielding integrity.
6. Precise Mechanical Assembly
The chassis features accurately cut openings. Fasteners securing PCBs, tube sockets, transformers and terminal boards are evenly tightened without tilt or looseness.
Components are arranged in a well-planned staggered layout. There are no risks of squeezed capacitors or short circuits caused by components touching the metal enclosure, with ample clearance reserved for heat dissipation.
BASIC PARAMETERS
Rated Output Power: 8 Watts × 2
Tube Configuration: EL34 ×2 / 5U4G ×1 / 12AU7 ×2
Total Harmonic Distortion: ＜1% @ 1W
Output Impedance: 4Ω / 8Ω (Custom impedance options available)
Input Sensitivity: 300 mV
Frequency Response: 20Hz–20kHz, -0.8dB
Net Weight: 12.1 kg / Gross Weight: 14 kg
Input Impedance: 100kΩ
Signal-to-Noise Ratio: 88dB
Power Consumption: 110W
Supply Voltage: Default 230–240V; 110–120V version upon customization
Dimensions: D320 × W220 × H215mm (Depth × Width × Height)
Packaging Dimensions: D440 × W350 × H310mm (Depth × Width × Height)
Audio Input: Dual RCA Inputs with Manual A/B Source Switch
Power Tube Select Switch: Matches operating bias points for two types of power tubes. Slide both switches to the 6L6 marking when using 6L6 tubes; follow the same operation for EL34 tubes.
Power Output Tube: Amplifies low-level signals into high current and delivers high-power signals to loudspeakers.
Power Rectifier Tube: Converts high-voltage alternating current into high-voltage direct current to supply all tubes in the circuit.
Driver Tube (Preamp Tube): Multiplies the weak signal from signal sources to drive the power output tubes.
