Apex matching ensures the tubes are carefully selected for consistent performance and balanced operation, making them an excellent choice for retubing professional amplifiers. Whether you're after warm cleans, dynamic breakup, or responsive overdriven tones, the JJ 5881 pair delivers dependable performance with classic tube character.

• Apex matched pair for balanced performance
• Warm, vintage-inspired power tube tone
• Rich midrange with smooth high end response
• Tight and controlled low frequencies
• Excellent for guitar amplifiers and hi-fi systems
• Great choice for many 6L6-style amplifier circuits
• Durable and reliable JJ Electronics construction
• Responsive dynamics and smooth breakup characteristics
• Ideal for studio, rehearsal, and live performance use

Specifications:

• Tube Type: 5881 Power Tube
• Configuration: Apex Matched Pair
• Manufacturer: JJ Electronics
• Base Type: Octal
• Heater Voltage: 6.3V
• Plate Dissipation: 23W
• Compatible With Many 6L6-Based Amplifiers
• Application: Guitar Amplifiers and Hi-Fi Equipment