I have owned three Denon products and none has needed service. My seven year-old AVR-3300 is still going strong.
Like you, I have heard bad things about Denon customer service over the years. The odds of your ever needing it, however, is slim (knock on wood.)
Like you, I have heard bad things about Denon customer service over the years. The odds of your ever needing it, however, is slim (knock on wood.)