Related Clues:

• Stereo arrangement
• Less than bi-
• Music lover's hookup
• Stereo
• Plane or rail variety
• Sound setup
• '50s audiophile's purchase
• Old 45 player
• Basic music system
• Stereo counterpart
• One beginning?
• Uni- relative
• Stereo system
• The 'M' of MSG
• With 69-Across, what each set of letters in parentheses represents