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This SWR 550X Bass Head With Rack Case is in good condition and is in fine working order.
The SWR 550x is solid state bass head putting out 550 watts at 4 ohms or 375 watts at 8 ohms. The preamp does feature a 12AX7 for a more natural tube sound. There's plenty of control over your sound with a variable EQ, Aural enhancer circuitry, and a limiter defeat switch. Not to this amp comes built in to a rack case.