



dbx 286s - Microphone Preamp/Channel Strip
Model: DBX286SV








| Maximum Output | 0.25Vrms, Gain = 30dB |
|---|---|
| Input Impedance | ~4.2kΩ |
| EIN | -125dBu, 22Hz to 22kHz, 150Ω source impedance |
| CMRR | >40dB, typically 55dB |
| Phantom Power | +48VDC, applied to XLR pins 2 and 3 through 6.81kΩ resistors |
| Gain Range | 0dB to +60dB |
| Operating Temperature | 32°F to 113°F (0°C to 45°C) |
|---|---|
| Power Requirements | 120VAC 60Hz, 100VAC 50/60Hz15W consumption |
| Weight | 4.5 lb (2.04kg) |
| Dimensions (WxDxH) | 19 x 5.75 x 1.75" (485 x 146 x 45mm) |
| Specialties | Full compliment of meters and status LEDs |
| Package Weight | 6.45 lb |
|---|---|
| Box Dimensions (LxWxH) | 21.8 x 11.3 x 2.5" |
| Frequency Response | 20Hz to 20kHz, +0.5/-0.5dB |
|---|---|
| Distortion | |
| Impedance | 100Ω unbalanced, 200Ω balanced |
| Maximum Level | >+21dBu, >+20dBm (600Ω load) |
| Gain Range | -30dB to +10dB |
| Noise |
| CMRR | >40dB, typically 55dB |
|---|---|
| Gain Range | -15dB to +45 dB |
| Maximum Level | >+21dBu, balanced or unbalanced |
| Impedance | 10kΩ unbalanced, 20kΩ balanced |
| Maximum Level | >+21dBu, >+20dBm (600Ω load) |
|---|---|
| Impedance | Ring: >5kΩTip: 100Ω |
| Noise | |
| Distortion |
| Number of Channels | Single |
|---|---|
| Noise | |
| Frequency Response | 20Hz to 20kHz, +0.5/-0.5dB |
| Outputs | 1 x 1/4" TRS phone Insert |
| Inputs | 1 x XLR Microphone (p2 hot)1 x 1/4" TRS phone Line1 x 1/4" TRS phone Insert |
| Dynamic Range | Typically 105dB |
|---|---|
| Gate Threshold | OFF to +15dBu |
| Expansion Ratio | Adjustable 1.5:1 to 10:1 |
| Maximum Depth | >50dB |
| Attack Time | Program dependent, approximately 2mS (at maximum attenuation) |
| Release Time | Program dependent, approxiamtely 10mS/dB |
| Threshold Range | Not applicable |
|---|---|
| Ratio | Not applicable |
| Attack Time | Not applicable |
| Filter Type | Not applicable |
| Frequency Bands | Not applicable |
| Bandwidth | Not applicable |
| Range (Boost/Cut) | Not applicable |
| Light Indication |
| HF Detail | Program-controlled shelving equalizer, approximately 15dB maximum HF boost |
|---|---|
| LF Detail | Bell-shaped boost @ 80Hz, bell-shaped cut @250Hz, ratio is approximately 2:1 |
| Characteristics | Wideband Gain Reduction |
|---|---|
| Frequency Range | 800Hz to 10kHz High Pass, 12dB/octave |
| Release Time | Program dependent approximately 1mS/dB |
| SMPTE | Intermodulation Distortion: |
|---|---|
| Slope | OverEasy |
| Sidechain | No |
| Distortion | Typically |
| Release Time | Program dependent: adjustable between approximately 1dB/sec and 75dB/sec |
| Attack Time | Program dependent: >1S for small level increases, down to 10mS for large increases |
| Ratio | >4:1 for input levels beyond 20dB above threshold |
| Threshold Range | -40dBu to +20dBu |