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Only SPEAKER CABLE of 18 gauge or heavier (the heavier the cable, the lower the gauge) should be used
to connect your 350x to your speaker system. Do not use shielded instrument cable to connect your ampli-
fier to your speaker enclosure, as this can result in intermittent power loss, cause your amp to oscillate
and damage itself and/or your speakers, and render the cable useless for any purpose.
Note: Unlike most amplifiers on the market, the 350x can be used for recording purposes without
speakers attached to the speaker output jacks (using only the Balanced [XLR] Output).
Recommended single SWR speaker enclosures for use with the 350x include:
• Goliath III 4x10
• Goliath Junior III 2x10 (4 or 8 ohms)
• Big Bertha 2x15
• Henry the 8x8
• Triad (15" + 10" + horn)
Recommended SWR speaker combinations for use with the 350x include:
• (2) Goliath III 4x10’s
• (2) Goliath Junior III 2x10’s (8 ohm version)
• (2) Son Of Bertha 1x15’s
• (1) Goliath Junior III 2x10 (8 ohm version) & (1) Son Of Bertha 1x15
• (1) Goliath Junior III 2x10 (8 ohm version) & (1) Big Ben 1x18
• (1) Goliath III 4x10 & (1) Goliath Junior III 2x10 (8 ohm version)
Speaker Fuse
The speaker fuse is provided to protect your speakers in the unlikely event of a power amp failure or to
protect your power amplifier from incorrect speaker impedances or hookups. Size and rating of the fuse is
3AG, 10 amp, fast-blo. Do not defeat the purpose of this feature by using a higher rated fuse as it can
damage your amplifier and void your warranty.
The fuse can open as a result of a fault in the speaker cable, the speakers themselves, or the power amp
being sent well into clipping. With this in mind, it is wise to carry extra fuses at all times.
14 • 350x OWNER’S MANUAL