Description
The Littelfuse BLS3/4 is a fast-acting high-voltage fuse rated at 600V and 750mA in the standard 10.3 × 35mm body size. It is the correct replacement fuse for many Conrad Johnson and Audio Research valve amplifiers — two of the most respected American Hi-Fi amplifier brands.
Using the correct fuse rating is essential in valve amplifier maintenance: an incorrectly rated fuse may not protect the amplifier’s output transformer and power supply components in a fault condition. Always verify the fuse rating printed on your amplifier’s chassis before replacing.
Single fuse.
