<<september 2026 New Product!>>The "A17" is a flagship desktop headphone amplifier designed without compromise—from its core of pure Class A operation using a fully discrete configuration to its circuit design, power supply architecture, thermal management, and user interaction.
■1. All-button design ── Precise and efficient operability
■2. Comprehensive connectivity ── Serving as the core of the system
■3. Industrial-grade pure aluminum heat dissipation structure
■4. Independent dual power supplies ── For analog and digital control sections
■5. 99-step R2R electronic volume control system
■6. Dual-display interface ── Intuitive status monitoring
■7. Newly developed high/low split power supply architecture
■8. 3 pairs of parallel output transistors per channel ── Powerful drive capability
■9. Twin JFET input stage circuitry
■10. 2 current modes & 4-level gain settings
■Amplifier Topology: Fully discrete Class A (Pure Class A operation)
■Maximum Output: 11,500mW (Balanced connection)
■Gain Settings: 4 levels (G-1: 5.8dB / G-2: 9.2dB / G-3: 11.6dB / G-4: 13.5dB)
■Current Modes: 2-level selectable
■Power Supply System: High/low split power supply (Preamp stage: +20V / Output stage: +15V)
■Transformer: 100W toroidal transformer (dedicated to analog section)
■Main Filter Capacitors: Total capacitance approx. 80,000μF
■Volume Control: JRC MUSES72323 (99 steps) R2R electronic volume control
■ Input terminals: RCA, XLR
■ Preamplifier output terminals: RCA, XLR
■ Headphone output terminals: 4-pin XLR, 6.35mm single-ended, 4.4mm balanced
■ RCA input impedance: 10kΩ
■ RCA preamplifier output impedance: 200Ω
■ XLR input impedance: 10kΩ
■ XLR preamplifier output impedance: 100Ω
■ 6.35mm output impedance: 1Ω
■ 4.4mm output impedance: 1Ω
■ Frequency response (6.35mm single-ended, 20Hz-80kHz): ±0.05dB
■ Frequency response (XLR balanced, 20Hz-80kHz): +0.05dB
■ THD+N: <0.0005% (1kHz)
■ SNR: <-115dB @ 32Ω
■ Crosstalk: <-100dB @ 1kHz, 32Ω
■ Noise floor: <7μV
■ Display: 3-inch dual display
■ Chassis/Thermal structure: Pure aluminum 3D thermal structure, 3-layer shielding structure
■ Unit weight: Approx. 25kg
■ Accessories: Main unit, power cable, 6.35mm to 3.5mm adapter, remote control, quick start guide
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