Mains Fuse - R55-112, Suprema, and Chubster 55
For 100VAC and 115VAC versions, the Mains Fuse is:
3 Amp, 250 Volt Slo-Blo type (size 3AG, or MDL)
For 230VAC versions, the Mains Fuse is:
T 1.25A (time-delay, 5mm x 20mm size)
Mains Fuse - R100-212
For 100VAC versions, the Mains Fuse is:
5 Amp, 250 Volt Slo-Blo type (size 3AG, or MDL)
For 115VAC versions, the Mains Fuse is:
4 Amp, 250 Volt Slo-Blo type (size 3AG, or MDL)
For 230VAC versions, the Mains Fuse is:
T 2A (time-delay, 5mm x 20mm size)
Note: Always turn the amp off and wait about five minutes before
replacing a fuse. This allows the parts to cool and high voltages to
dissipate.
HT Fuse - Chubster 55, Suprema, R55-112 and R100-212
The power amplifier circuit has its own fuse for protecting the output section from short
circuits and transient current peaks that exceed the normal current draw. These
conditions are usually caused by a bad Output (EL-34) tube. When a short circuit or
transient peak causes the fuse to blow, the output tubes should be checked and
replaced, if necessary.
HT Fuse - Chubster 55, Suprema, R-55-112
For 100VAC and 115VAC versions, the HT Fuse is:
1/2 Amp, 250 Volt Slo-Blo type (3AG, or MDL)
For 230VAC versions, the HT Fuse is:
T 500mA (time-delay, 5mm x 20mm size)
HT Fuse - R100-212
For 100VAC and 115VAC versions, the HT Fuse is:
1 Amp, 250 Volt Slo-Blo type (3AG, or MDL)
For 230VAC versions, the HT Fuse is:
T 1A (time-delay, 5mm x 20mm size)
R Series V1.0 p 10