If you're looking for that classic British sound, this is the speaker to have. This Eminence speaker will provide a warm low end and plenty of punch, and all the tonal characteristics embraced by many legendary guitar players. 8 ohm. 50W RMS. Eminence recommends the Legend GB128 Guitar Speaker as a direct replacement in the Crate GT112SL, the Line 6 closed back 412 speaker cabinets, and the Line 6 Spider III 75, Spider III 150, and Crate FXT120 combo amps.