2026 NEW Shuguang Tube 300B-98(300B,300B-Z)Amplifier HIFI Audio Vacuum Tubes

Known as the \”Prince Charming / Dream Ball\” – it features a sweet tone, a wide frequency range, delicate sound quality, and a natural sound field; its resolution and sound field performance are superior to those of the original 300B model. It is suitable for recordings of vocals, violins, and chamber music, where clarity and delicacy are important, and it represents the mainstream choice for single-ended 300B amplifiers.

Key parameters
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Type: Direct-heating cathode medium-power triode, Class A1 amplification
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Filament: Uf = 5 V / If = 1.2 A (direct-heating; note the difference from 2A3B’s 2.5V/2.5A values)
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Maximum plate voltage: Approximately 400–450 V (typical operating voltage: 350–400 V)
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Maximum power dissipation per plate: 45 W
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Single-ended Class A output: Typically 7–8 W (higher levels are possible with push-pull configuration)