dbx / 231s

2CH compact, 31-band graphic equalizer with 20mm faders. Boost cut width of each filter can be switched between ± 6dB / ± 12dB allowing detailed correction.

■ Graphic equalizer
■ Stereo 31 bands
■ 2U

【input】
Connectors: 1 / 4TRS phone, XLR female (2 hot)
Type: Electronic Balanced / Unbalanced
Impedance: 40kΩ (balanced), 20kΩ (unbalanced)
Maximum input level:> + 21dBu (balanced / unbalanced)
CMRR:> 40dB, typically> 55dB at 1kHz
【output】
Connectors: 1 / 4TRS phone, XLR male (2 hot)
Type: impedance-balanced / unbalanced
Impedance: 100Ω (balanced), 50Ω (unbalanced)
Maximum output level:
> + 21dBu balanced / unbalanced 2kΩ or more
> + 18dBm balanced / unbalanced 600Ω

【system】
Bandwidth: 20Hz to 20kHz, + 0.5 / -1dB
Frequency response: <10Hz to> 50kHz, + 0.5 / -3dB
Dynamic range:> 112dB
SN ratio:> 95dB
THD + Noise: <0.003%
Crosstalk between channels: <-90dB, 20Hz to 20kHz
[Function switch]
EQ Bypass: Bypasses the EQ section
Low Cut: 50Hz 12dB / octave high-pass filter
Range: +/- 6dB or +/- 12dB
【Power supply】
Voltage: 100VAC-240VAC 50 / 60Hz
Power consumption: 15W
■ Weight: 6.2 lbs. (2.81 kg) Shipping weight 7.9 lbs. (3.58kg)
■ Dimensions: 3.5" (8.9cm) H x 6" (15.24cm) D x 19" (48.26cm) W

[Difference between 231 and 231s]
Black → Silver
Dynamic range: 108dB → 110dB
S / N ratio: 90dB → 95dB
THD + N: 0.004% → 0.003%
Crosstalk between channels: -80dB → -90dB