QF
™
Series
Graphic Equalizers
Thank you for purchasing a Peavey Electronics QF Series graphic equalizer. The QF family features one dual-channel
model and one single-channel unit, all incorporating Peavey’s legendary low-noise, low-distortion design. Ruggedly
constructed, QF Series EQs have 45 mm, center-detented control sliders enclosed in metal for durability. These two
rack-space units also offer ±15 dB gain control and an LED display indicating output level. Other shared features include
switchable low-cut filters, +21 dBu balanced inputs and outputs, and bypass switches. QF Series equalizer filters are
set at ISO center frequencies within 3% accuracy. Whether on stage, in the studio, or simply tweaking your home hi-fi
system, the QF Series has an EQ for you.
Please read this guide carefully to ensure your personal safety as well as the safety of your equipment.
Features
QF 215
• Dual channel (15 bands per channel)
• 2/3 octave filter sets
• ISO center frequencies within 3% accuracy
• 25 Hz to 16 kHz effective equalization range
• 45 mm, center-detent control sliders enclosed in metal for durability
• Constant Q filters
• Output level LEDs (-12 to +12 dB)
• 12 dB boost/18 dB cut per band
• 18 dB per octave 40 Hz low-cut filter with status LED
• +/-15 dB gain control
• Improved Peavey FLS
®
(Feedback Locating System)
• XLR and 1/4 inch TRS inputs/outputs for balanced or unbalanced operation
QF 131
• 31-band graphic EQ with +12 dB boost/-18 dB cut per band
• 1/3 octave filter sets
• ISO center frequencies within 3% accuracy
• 45 mm, center-detent control sliders enclosed in metal for durability
• Constant Q filters
• Output level LEDs (-12 to +12 dB)
• 18 dB per octave 40 Hz low-cut filter with status LED
• +/-15 dB gain control
• 20 Hz to 20 kHz effective equalization range
• XLR and 1/4" TRS inputs/outputs for balanced or unbalanced operation
• Bypass switch with status LED
• Improved FLS
®
(Feedback Locating System) circuitry for greater sensitivity
ENGLISH