Xindak XA6950 MKII Hybrid Integrated Amplifier
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Product Overview & Specifications
The Xindak XA6950 MKII is a reference-grade hybrid integrated amplifier engineered to succeed the XA6900 platform, combining the organic harmonic warmth of vacuum tube preamplification with the high-current drive of solid-state power output. The preamplifier stage utilises two hand-matched Electro-Harmonix 6922 vacuum tubes, while the power amplifier section incorporates a fully symmetrical, true-balanced circuit layout. Delivering 40 watts per channel in pure Class A mode and transitioning seamlessly up to 130 watts per channel in Class A/B mode, the XA6950 MKII handles demanding loudspeaker loads with dynamic agility and wideband frequency linearity.
Constructed around a heavy-duty chassis weighing 28 kg, the amplifier houses custom high-capacity toroidal transformers, Xindak custom 10,000 µF filter capacitor banks, an motorized ALPS volume potentiometer, and twelve high-current Sanken power transistors (6x 2SA1295 / 6x 2SC3264). Signal connectivity includes three single-ended RCA inputs, one pair of balanced XLR inputs, and an upgraded USB interface capable of high-resolution digital playback directly from computer sources. The system is supplied complete with a full-function solid aluminium remote handset (RCA-011).
KEY FEATURES & PROPRIETARY TECHNOLOGIES
- Vacuum Tube Preamplifier Architecture: Employs two hand-matched Electro-Harmonix 6922 vacuum tubes in the input preamp stage for enhanced harmonic texture and fluid midrange reproduction.
- High-Power Class A / Class A/B Output: Operates in pure Class A mode up to 40 watts per channel, expanding to 130 watts per channel in Class A/B to deliver high dynamic headroom.
- Fully Symmetrical True-Balanced Circuit Topology: Symmetrical power amplifier stage reduces common-mode noise and signal distortion across the entire bandwidth.
- High-Current Sanken Output Transistors: Output stage powered by twelve high-power Sanken bipolar transistors (6x 2SA1295 and 6x 2SC3264) for precise woofer control and thermal stability.
- Integrated Hi-Res USB Interface: Revised internal USB DAC interface enables direct high-resolution audio streaming from digital music sources.
- Precision Components & Power Reservoir: Features an ALPS precision volume potentiometer and proprietary Xindak 10,000 µF super-tolerance filter capacitor arrays fed by heavy-duty toroidal mains transformers.
SPECIFICATIONS
| Specification | Detail |
|---|---|
| Product Category | Hybrid Vacuum Tube / Solid-State Integrated Amplifier |
| Brand / Model | Xindak — XA6950 MKII |
| Amplifier Architecture | Tube Preamplifier (2x EH 6922) + Fully Symmetrical Solid-State Power Amp |
| Rated Power Output | 40W+40W(Class A) / 130W+130W (Class A/B) |
| Output Transistors | 12x Sanken Transistors (6x 2SA1295 / 6x 2SC3264 Complementary Pairs) |
| Preamplifier Tubes | 2x Hand-Matched Electro-Harmonix 6922 Vacuum Tubes |
| Frequency Response | 10 Hz – 100,000 Hz (±1 dB) |
| Total Harmonic Distortion (THD) | 0.045% |
| Signal-to-Noise Ratio (SNR) | 95 dB |
| Input Sensitivity & Impedance | 300 mV | 47 kΩ |
| Analogue Audio Inputs | 3x Pairs Line-Level RCA, 1x Pair Balanced XLR |
| Digital Input Interface | 1x Asynchronous Hi-Res USB (Type-B Input) |
| Volume Control & Capacitance | ALPS Motorized Potentiometer | Proprietary Xindak 10,000 µF Power Capacitors |
| Power Consumption | 480 W Max |
| Dimensions (W x D x H) | 430 x 460 x 170 mm |
| Net Weight | 28.0 kg |
| Included Accessories | Aluminium Remote Control (RCA-011), Power Cord, User Manual |
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Xindak XA6950 MKII Hybrid Integrated Amplifier
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