2PCS 6E2 Tubes 6E2 Amplifier Valve Electronic Indicator Tube EM84 Enhance Speaker Tone Module Key benefits Reliable replacement for worn or damaged indicator tubes in tube amplifiers and tone modules. Restores visual level indication and normal indicator behavior without complex modifications. Easy dropin swap for equipment designed to accept 6E2 or EM84 style tubes. Pack of two provides a spare for maintenance or dualchannel equipment. Simple way to keep vintage and modern tube gear functioning and looking correct, preserving original operation and user experience. What this product does Electronic indicator tube that provides visual level indication in amplifier and speaker tone circuits. It responds to signal levels to display tuning or VU information. Compatible as a replacement for EM84 style indicator tubes when a 6E2 form factor is required. Designed to fit standard 6E2 sockets and circuits. Important attributes Function: Visual electronic indicator tube for amplifiers, speaker tone modules, and audio indicator circuits. Compatibility: Intended as a 6E2 replacement and compatible with equipment specified for EM84 or 6E2 style tubes. Material: Glass envelope construction consistent with standard indicator tube designs. Performance: Provides consistent illumination and reliable response when used in compatible tube circuits. Supplied as a matched pair for easier maintenance of stereo or multichannel systems. Package: Two pieces included for convenience and redundancy. Practical use scenarios : an aged or nonfunctional indicator tube in a vintage tube amplifier to restore visual level metering and correct front panel appearance. Music gear maintenance: Install in guitar or bass amplifiers and speaker tone modules that use 6E2 or EM84 style indicators to maintain consistent indicator behavior across channels. DIY audio projects: Use in custom preamplifiers, VU meter circuits, or restoration projects where a 6E2 form factor indicator is required. Installation notes Power down and discharge equipment before removing or installing tubes. Handle by the base and avoid excessive force on the pins. Verify socket compatibility and orientation before powering up. Keep the spare tube for future maintenance. This 2PCS 6E2 replacement set offers a straightforward, compatible solution for restoring indicator function in audio equipment that accepts 6E2 or EM84 type tubes.