MCM Electronics

Mic Preamplifier Channel StripMCM Part #: 555-20650  |  DBX Professional Part #: 286S

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Mic Preamp/Channel Strip Processor

The dbx 286s is a full featured Channel Strip Processor that delivers a studio quality microphone/instrument preamplifier and four processors that can be used independently or in combination. The sonically pristine dbx 286s Mic Preamp has wide-ranging input gain control, switchable +48V phantom power, and an 80Hz high-pass filter to remove low frequency hum, rumble or wind.

Product Description

The dbx 286s also includes a patented dbx OverEasy compressor, frequency tunable De-Esser, Enhancer, High Frequency and Low Frequency Detail control, and separate threshold and ratio controlled Expander/Gate.

    Features
  • Studio quality Mic Preamp/Channel Strip Processor
  • Classic dbx Compression puts great sound within easy reach
  • Frequency tunable De-Esser reduces sibilance and high frequency distortion
  • Enhancer increases the detail and definition of the high and low frequencies
  • Program adaptive Expander/Gate
  • Insert jack allows you to add an external processor
  • Full complement of meters and status LEDs
  • +48V Phantom Power
  • Precision detented controls
Specifications
Mic Preamp Connector XLR Floating balanced, Pin 2 Hot
Mic Preamp Input Impedance ~4.2kO
Mic Preamp gain 0dB to +60dB
Mic Preamp Phantom Power +48VDC, applied to XLR pins 2 and 3 through 6.81kO resistors
CMRR >40dB, typically 55dB
Mic Preamp max input level 0.2Vrms, Gain = 30dB
Mic Preamp Equivalent Input Noise (EIN) -125dBu, 22Hz-22kHz, 150O source impedance
Input Connectors (line) Floating balanced, TIP Hot
Input Impedance (line) 10kO unbalanced, 20kO balanced
Max Input (line) >+21dBu, balanced or unbalanced
Input Gain Range (line) -15dB to +45 dB
Insert Connector 1/4" TRS: Normalled; tip is Send, ring is Return
Insert Impedance >5kO (ring-return); 100O (tip-send)
Insert Max Level >+21dBu; >+20dBm (600O load-tip)
Insert Noise <-84dBu, unweighted (20Hz-20kHz); LINE GAIN Control set to 0dB
Insert Distortion <0.01% THD, 20Hz-20kHz, +10dBu
Output Connectors 1/4" Balanced/Unbalanced TRS Connectors
Output Impedance 100O unbalanced, 200O balanced
Max Output >+21dBu, >+20dBm (600O load)
Gain Adjustment Range -30dB to +10dB
Noise <-80dBu unweighted (20Hz-20kHz); Both Gain Controls set for 0dB, all processing controls OFF
Frequency Response 20Hz to 20kHz, +0.5, -0.5dB
THD <0.08%THD, 20Hz-20kHz, +10dBu, all Processing Controls OFF
Compressor Threshold Range -40dBu to +20dBu
Compressor Threshold Characteristic OverEasy®
Compressor Ratio >4:1 For input levels beyond 20dB above threshold
Max Compression 30dB
Compressor Attack Time Program-Dependent; >1s for small level increases, down to 10ms for larage increases
Compressor Release Time Program-Dependent; adjustable between approximately 1dB/sec and 75dB/sec
Compressor Distortion Typically <0.05%THD, 20Hz-20kHz, 15dB G/R, +10dBu Output, DENSITY @ 0
IMD SMPTE: <0.05%; 60Hz/7kHz 4:1, 15dB G/R, +10dBu Output Level, DENSITY @ 0
De-esser Characteristic Wideband Gain Reduction
De-esser Frequency Range 800Hz to 10kHz High Pass, 12dB/octave
De-esser Release Time 12dB/octave Program-Dependent; approximately 1mS/dB
Enhancer HF Detail Characteristic Program-controlled shelving equalizer, approximately 15dB maximum HF boost
Enhancer LF Detail Characteristic Bell-shaped boost @ 80Hz, bell-shaped cut @250Hz, ratio is approximately 2:1
Expander/Gate Threshold Range OFF to +15dBu
Expander/Gate Ratio Adjustable 1.5:1 to 10:1
Expander/Gate Max Depth >50dB
Expander/Gate Attack Time Program-Dependent, approximately 2mS (at maximum attenuation)
Expander/Gate Release Time Program-Dependent, approxiamtely 10mS/dB
Expander/Gate Dynamic Range Typically 105dB
Power Consumption 15W
Operating Voltage DO: 120VAC 60Hz, 100VAC 50/60Hz; EU: 230VAC 50/60Hz
Operating Temperature 0°C to 45°C (32°F to 113°F)
Dimensions 1.75" x 5.75" x 19" (4.5cm x 14.6cm x 48.5cm)
Unit Weight 4.5 lbs/2.04 Kgs
Shipping Weight 6.54 lbs/2.97 Kgs

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Package Specifications & Dimensions
Weight:6.32 lbs.
Hazardous:No
RoHS Comp:No
Warranty:365 days
Need to Return?
Length:22 in.
Width:11.5 in.
Height:2.5 in.
Shipping Information
Extra Shipping Charge:No
Drop Ship:No
Catalog Pages
Catalog/Page:

MCM Cat 57, Page 040

PDF Reference
DatasheetManual

Requires Adobe Acrobat Reader.

Mfr. Info

DBX Professional Logo
Mfr. Name:DBX Professional
Mfr. Part Number:286S