Related Clues:

• Type of blocker
• Alpha chaser
• ___ testing
• Not quite the most dominant
• Old VCR format
• Test model
• Greek B
• Test stage
• Phi-Kappa connector
• Videotape format
• Old VHS option
• Software version that may be glitchy
• Pre-release software
• Second of a series
• Boeotian B