260 Digital Audio Processor:
The 260 digital audio processor has two sets of inputs and six sets of outputs. The front ends of the two sets of inputs include 28-band graphic equalization and a total of 2.7 seconds of digital delay resources.
120A sub-harmonic synthesizer
2×3, 2×4, 2×5, 2×6 crossover combination selection
Stereo multi-band parametric equalizer
Stereo output limiter
Speaker fine-tuning delay
Pink noise generator
Auto-EQ automatic room equalization compensation
Setup Wizard (Setup Navigation Wizard) function of JBL speakers and Crown amplifier
25 kinds factory presets/25 kinds user setting program memory banks
2 groups input, 6 groups output
RTA-M real-time spectrum analysis and microphone input are set on the panel, with phantom power
24-Bit A/D converter provides a dynamic range greater than 110dB
dbx patented Type IVTMA/D conversion circuit
Graphic LCD display
Technical index
Analog input: Input quantity: (1 group) RTA microphone input
(2 groups) line input
Category: electronic balance/RF filter, XLR female
Impedance: >40kΩ
Maximum input level: +20dBu
Common mode rejection ratio: >45dB
RTA microphone phantom power supply: +15VDC
RTA microphone equivalent input noise: <-110dBu, 22Hz, -22kHz, 150Ω
Analog output:
Number of outputs: (6 groups) line output
Category: electronic balance/RF filter, XLR male
Impedance: 120Ω
Maximum output level: +20dBu
A/D characteristics: Category: dbx Type IV conversion
Dynamic range: 110dB A weighting, 107dB no weighting
Type IV dynamic range: 123dB, including transient signal, A-weighted, 22kHz BW
121dB, including transient signal, no weighting, 22kHz BW
115dB, including program signal, A weighting, 22kHz BW
Sampling frequency: 48kHz
A/D characteristics:
Dynamic range: 112dB A weighting, 110dB no weighting
System characteristics:
Dynamic range: >110dB no weighting, >107dB A weighting
THD+ noise: 0.002%, +4dBu, 1kHz, 0dB input gain
Frequency response: 20Hz-20kHz, ±0.5dB
Channel crosstalk: <-110dB, generally 120dB
Input to output crosstalk: <-110dB
Delay: 10ms per output channel (60ms total)
