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HF-1

• Positioning: A compact amplifier tailored for headphone listening.
• Description: Offers direct tube amplification via a simple circuit that ensures clean and natural sound for personal use. In comparison with larger preamplifiers and power amplifiers, its design emphasizes portability and ease of use.

XM-88

• Positioning: A streamlined integrated amplifier combining preamplification and power amplification.
• Description: Uses quality tube output with KT88 technology to deliver balanced sound in a single unit. Compared with separate preamp and power amp solutions, it provides straightforward functionality at a moderate budget without sacrificing core audio performance.

XX-220

• Positioning: An entry-level preamplifier aimed at enhancing audio clarity.
• Description: Uses a straightforward tube circuit to improve musical detail and boost overall sound quality. When compared with more complex units in the lineup, it offers a cost-effective upgrade for users with smaller systems and limited budgets.

XX-7000

• Positioning: A flagship preamplifier showcasing cutting-edge circuit technology.
• Description: Introduces a revolutionary SEPP approach with three-tube parallel connections and optimized component changes to nearly replicate live performance accurately. When set against models such as the XX-5000, it emphasizes the latest technological advancements and enhanced power management.

M-8000

• Positioning: A flagship power amplifier designed to achieve the ultimate sound experience.
• Description: Represents the culmination of advanced DL tube circuitry and high-performance components, pushing analog amplification to its limits. Compared with every other power amplifier in the lineup, its exceptional design and meticulous handcrafting make it the top choice.