1 Pcs 300B98/300b Tube Replacement for 300B Amplifier Accessories Overview A direct replacement tube designed for amplifiers that use the 300B or 300B98 tube. Intended to restore or maintain the original audio performance of tube amplifiers by providing a compatible, dropin power tube. Key benefits Direct replacement: Fits amplifiers specified for 300B or 300B98 tubes, allowing quick restoration of audio output without modification. Reliable operation: Constructed with a standard glass envelope and durable internal electrodes to provide stable performance in tube audio circuits. Restores sound character: Helps recover the characteristic tonal balance associated with 300Bequipped amplifiers for a natural, musical listening experience. Simple swap: Single piece unit makes maintenance straightforward for hobbyists, technicians, and audio enthusiasts. Important attributes Function: Replacement power tube for 300Bseries amplifiers. Compatibility: Compatible with amplifier models that accept 300B or 300B98 tubes. Confirm socket and bias requirements before installation. Size and fit: Standard 300B dimensions and base designed to match existing 300B tube sockets. Material and build: Glass envelope with metal electrode construction typical of 300B tubes, engineered for use in audio amplifier circuits. Performance: Engineered to support clear, stable audio reproduction in tube amplification setups when used within the amplifier manufacturers recommended operating parameters. Practical use scenarios and maintenance: a worn or failing tube in a vintage or modern 300B amplifier to restore proper output and tonal balance. System refresh: Swap in a tube to refresh the sonic character of a home hi fi stereo system, helping maintain consistent performance during listening sessions. DIY and upgrades: Use as a replacement or spare part in custom tube amplifier builds and restorations where a standard 300B tube is required. What is included One 300B98 300B replacement tube, packaged as a single unit for installation. Installation note Before replacing tubes, power down the amplifier and allow tubes to cool. Verify socket compatibility and, if applicable, check bias settings or have a qualified technician confirm setup to ensure safe and proper operation.