The Yamaha Q1131 is a professional 1/3-octave graphic equaliser: thirty-one bands of precise tone control for tuning rooms, taming feedback, or carving a signal exactly how you want it. Built like a tank, beloved of live and install engineers, and just as handy in the studio.

FEATURES & PROS:

• 31 Bands: Full 1/3-octave control for surgical EQ.
• Pro Build: Rugged Yamaha construction made for daily use.
• Room Tuning: Tame resonances and feedback with precision.
• Studio or Stage: Equally at home in both.
• Clean and Quiet: Transparent when you want it.

SPECIFICATIONS

• Type: 31-band graphic EQ
• Resolution: 1/3-octave
• Channels: 1
• Format: rack
• Era: 1980s