Pro AV & Projector Throw

Professional AV system designer's calculator — projector throw, signal levels, cable attenuation, dB and screen sizing, offline.

PROJECTOR THROW
• Throw distance from screen width and throw ratio
• Screen width from throw distance
• Zoom range and lens shift
• 16:9, 16:10, 4:3 and custom aspect ratios

SIGNAL LEVELS
• dBV, dBu, dBm conversion
• Voltage, power and impedance relationships
• Balanced and unbalanced signal levels

CABLE ATTENUATION
• Signal loss by cable type and frequency
• Maximum run lengths for HD-SDI, HDMI, VGA

AUDIO
• SPL at distance — inverse square law
• Speaker sensitivity, power and coverage angle

Offline — works without network.