CREATE TABLE "current_amplifier_models" (
  "model" text,
  "poweramp" text,
  "dimensions" text,
  "mass" text,
  "form_factor_s" text,
  "output" text
);

Question: What are the dimensions of the amp with a 180W output?
SQL: SELECT "dimensions" FROM "current_amplifier_models" WHERE "output"='180w';