Every PA technician and venue engineer knows the frustration of a blown fuse bringing down the show. These 10-amp fast-acting glass fuses are essential backup protection for amplifiers and powered subwoofers in professional audio systems.

Each fuse provides reliable circuit protection at 10 amps and 250 volts, using fast-blow technology that responds quickly to overcurrent conditions. The compact 5mm x 20mm glass construction fits standard amplifier fuse holders found in most pro audio equipment.

Fast-acting fuses protect sensitive amplifier circuits by breaking the connection within milliseconds of detecting an overload. The 10-amp rating handles typical power amplifier protection needs, while the 250-volt capacity covers both domestic and international voltage requirements. Glass construction allows visual inspection of the fuse element.

Keep these in your gig bag for club shows, corporate events, and church installations where amplifier protection is critical. Mobile DJs running powered speakers and bands with rack-mounted power amps should carry spares for venues ranging from coffee shops to outdoor festivals. Sound companies servicing multiple clients rely on these for quick repairs.

Each pack contains three identical fuses ready for immediate installation. No special tools required – these drop into standard amplifier fuse holders found in most professional audio equipment.

Seismic Audio backs these fuses with reliable construction and fast shipping. Professional sound requires professional preparation, and having backup fuses prevents small problems from becoming show-stopping failures.

Technical Specifications

Frequently Asked Questions

What amplifiers and speakers use these 5mm x 20mm fuses?

These fuses fit most professional power amplifiers, powered PA speakers, and active subwoofers that use standard small glass fuse holders. Check your equipment manual or existing fuse for the 5mm x 20mm size specification before ordering. Many Seismic Audio powered speakers and amplifiers use this exact fuse type.

How do I know if I need a 10-amp fuse versus a different amperage?

Always replace fuses with the exact same amperage rating as the original. Using a higher amp fuse reduces circuit protection, while a lower amp fuse will blow prematurely. Check the blown fuse or your equipment manual for the correct amperage – never guess or substitute different ratings.

What's the difference between fast-acting and slow-blow fuses for audio equipment?

Fast-acting fuses protect sensitive amplifier circuits by responding immediately to overcurrent conditions, preventing component damage from power surges or short circuits. Slow-blow fuses tolerate brief current spikes but aren't suitable for most audio amplifier protection circuits that require immediate response.

How many backup fuses should I keep for live performances?

Carry at least 6-9 spare fuses for multi-amplifier setups or touring rigs. Most failures happen during load-in when equipment experiences power fluctuations, so having multiple spares prevents cancelled shows. Replace blown fuses immediately rather than bypassing protection circuits.

Can these fuses handle both 120V and 240V power systems?

Yes, the 250-volt rating exceeds both domestic 120V and international 240V power system requirements. However, the voltage rating refers to the fuse's breaking capacity, not the amplifier's power requirements. Always verify your equipment's power specifications before international use.

WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer. For more information, go to: www.P65Warnings.ca.gov