Dual-channel 31-band graphic equaliser.
Product lists can be submitted to HHB for a packaged quotation
The 1231 is a dual-channel graphic EQ featuring 31 1/3 octave bands, ISO frequency centers, ±12 dB input gain range, switchable 40Hz/18dB per octave low-cut filters, 45 mm faders, selectable ±6dB or ±15dB boost/cut range for precise gain adjustments, XLR, barrier strip, and 1/4” TRS connectors, and chassis/signal ground lift capabilities for quick hum isolation. Premium grade components yield an impressive 10Hz – 50kHz frequency response, and exceptionally low THD, noise and crosstalk figures.
• Balanced XLR and 1/4″ jack analogue I/O
• 2U rack-mountable