The dbx 12 Series were designed to meet the needs of the most demanding sound reinforcement
environments, while offering the simplicity of straightforward controls. The 1215 provides standard
features like dual channels, 15 2/3 octave bands, ISO frequency centers, +/-12 dB input gain range, and
switchable 40Hz/18 dB per octave low-cut filters, but also includes other thoughtful features. These
include 45 mm faders; selectable +/-6dB or +/-15dB boost/cut range for precise gain adjustments; XLR,
barrier strip, and 1/4'' TRS connectors for installation ease; balanced inputs and outputs for quiet
operation; and chassis/signal ground lift capabilities for quick hum isolation. The visionary design of
the dbx 12 Series makes your job easier.
The dbx 12 Series Equalizers were precision engineered to provide years of maintenance-free operation
in any application. The magnetically isolated transformer, electronically balanced/unbalanced inputs
and servo balanced/unbalanced outputs, RF-filtered inputs and outputs, and power-off hard-wire relay
bypass with 2 second power up delay were steps our engineers took to ensure compatibility for all
installations. Only the best components were utilized, yielding a 10Hz to 50kHz frequency response,
greater than 90dB SNR (ref +4dBu), less than 0.005% THD +Noise (1kHz at +4dBu), and interchannel
crosstalk of less than -80dB from 20Hz to 20kHz. All this attention to detail is contained in a 2U
steel/aluminum chassis. It’s no wonder that dbx has been a leader in the industry for over 25 years.
18-1778-A 07/99
• Switchable Boost/Cut range between ±6dB and ±15dB
• Electronically balanced/unbalanced inputs
• Servo balanced/unbalanced outputs
• RF filtered inputs and outputs
• XLR, Barrier Strip, and 1/4" TRS connectors
• -12dB/+12dB input gain range
• 18dB/octave 40Hz Bessel low-cut filter
• Chassis/signal ground lift capability
• Internal power supply transformer
• Power-off hardwire relay bypass with 2-second power-up delay
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