EBS MicroBass 3 – Professional Outboard Preamp

The new, analog, 'multi-tool' for bass players!

General Specs  Demos    Photos Reviews

General

 

THE EBS MICROBASS 3. WE’VE ALL BEEN THERE. BEING FORCED BY CIRCUMSTANCES TO RELY ON SOMEONE ELSE'S GEAR AND LEFT WITH THAT UNEASY FEELING IT COULD TURN INTO A DISASTER. WITH THE NEW EBS MICROBASS 3, YOU CAN LET GO OF THAT FEELING AND BE CONFIDENT YOU’LL HAVE YOUR SOUND NO MATTER THE SITUATION.


 

Built on famous EBS amplifier designs

The EBS MicroBass 3 is a 2-channel preamp, built exclusively with premium components. It is engineered by EBS in Sweden with technologies from the famous HD360 and Fafner II amplifier designs.

Professional grade signal level

The preamp operates at a signal level equal to a professional mixing console (+/- 15V) which gives you plenty of headroom. The high signal level makes it suitable to use as a preamp in combination with any type of power amp.

Clean and Drive in series or parallel

Run the Clean and Drive channels in series or parallel. Use the dual balanced XLR-outputs to tap the signal post and pre EQ at the same time. If you run the Effects loop in stereo mode, the balanced outputs become a Left and Right output instead.

Handles any type of bass

With 10 Mohms input impedance, it handles any type of bass – passive, active or with piezo pickups.

Onboard Tuner & Compressor

The built-in tuner makes it easy to tune between songs without the need of an external device. The MicroBass 3 also carries an onboard compressor, similar to the one found on several EBS amplifiers.

The analog EBS MicroBass 3 ensures your sound – every time.

Specs

Clean Channel:     

  • Input Impedance  
    • Parallel mode  1.5 Mohms // 44 pF
    • Serial mode  10 Mohms // 22 pF
  • Gain:
    • Gain Range min/max -oo/ +30 dB
    • Gain Peak LED +10 dBv
    • Frequency Response  +0 / -3 dB  20 - 20.000 Hz
  • CHARACTER:
    • Filter Type  Shelving High/Low Pass
    • Gain:  Lo  +6 dB @ 80 Hz
      Mid  -2 dB @ 900 Hz
      Hi  +3 dB @ 7.5 kHz
  • BRIGHT:
    • Filter Type  Shelving.  Gain:  +10 dB @ 10 kHz
  • FILTER SECTION: 
    • Bass Filter:  Type   12 dB/oct. Shelving. Gain Range  +/- 18 dB @ 60 Hz
    • Middle Filter: Type  Bandpass Filter. Freq Range  50 - 5.000 Hz. Q - Boost  0.5 - 1.3,  Q - Cut  0.5 - >5.  Gain Range +/- 12-15 dB
  • Treble Filter: Type  Shelving. Gain Range +/- 18 dB @ 8 kHz
  • COMP/LIMIT: Comp Gain  0 dB
    • Attenuation max  24 dB
    • Compression Ratio max  3:1
    • Attack (80%) typ  <10 ms
    • Release (80%) typ  100 ms

Drive Channel:

  • INPUT: Input Impedance   1.8 Mohms // 22 pF
  • DRIVE: Gain Range  40 dB
  • ENGINES:
    • Lo: Type   2nd harmonics soft
    • Hi: Type   Symmetrical 2-stage with +18 dB gain
  • TYPEThin/Normal/Deep   Pre Drive EQ
  • FILTER SECTION: 
    • Tone Filter:   Type  6 dB/oct.   Low Pass. Frequency Range  700 - 20k Hz
    • Middle Filter:   Type   Bandpass Filter. Frequency Range 100 - 4.500 Hz. Q  1.2,   Gain Range  +/- 15 dB

EFFECTS LOOP:

  • Loop Signal Level nominal  -10 dBv
  • Gain  Unity (1:1)
  • Output Impedance  <100 ohms
  • Input Impedance  >200 kohms // 22 pF

PHONES OUT:   

  • Recommended Impedance  32 - 200 ohms

AUX INPUT:  

  • Input Impedance  20 kohms
  • Nominal Level  -10 dBv

OUTPUT: 

  • Output Impedance  <1 kohms
  • Signal Level  nominal  0 dBv

BALANCED OUTPUTS:

  • Output Level  nominal  -20dBv
  • XLR Connections  1-GND, 2-Hot, 3-Cold
  • Options  Pre/Post EQ, L/R Ch. in stereo mode

AUXILIARY INFO:   

  • Power Requirements   Idle  450mA @9V. Max  750mA @9V (with headphones at max output level)

Dimensions (WxDxH):   max  168 x 124 x 53 mm / 6.6” x 4.9” x 2.1”

Weight:  660 g ( 1.5 lbs.)

 

Specifications are subject to change without notice.

 Demos   

Demo by Samuel Nilsson, straight into the DAW:

Demo by Erik Arkö, straight into the DAW:

 

Longer version by Erik Arkö with original music and post production:

Photos

The setup above incorporates an external effect unit into the FX loop. The Dual Balanced XLR-outputs sends one Pre and one Post EQ signal or sends both signals Post EQ for the Clean and Drive Channel respectively, depending on the settings. 

In the setup above, a Y-split insert cable (EBS ICY-30) is used for the FX Return (and the Stereo Mode Switch is set to 'on'). This will allow stereo effects to be monitored in stereo through the Headphones Output. It also turns the two Balanced Outputs into Left and Right (post EQ), so you can record in stereo.

Reviews

Premier Guitar Magazine, November 2019:

"I achieved full P bass-tone glory and was ready to gig or record by simply engaging the well-voiced character switch." - Victor Brodén, Premier Guitar


Read the full review here:
https://www.premierguitar.com/articles/29556-ebs-microbass-3-review

 

Bass Guitar UK, October 2019:

"A superb piece of kit, the improvements were worth the wait".
BMG rating:
Build Quality: 9 of 10
Sound Quality: 9 of 10
Value: 8 of 10

 

Guitarre & Bass, Germany (in German), no 7, 2019:
A review in German, find out more here... 
https://www.gitarrebass.de/equipment/test-ebs-microbass-3/

 

From BassTheWorld.com

 

Digimart.net Bass Magazine (in Japanese):

 

From BassGuitarReview.co.uk

 FEATURES

100% analog professional preamp.

Dual channels – Clean and Drive.

Run in parallel or series.

Blend control for the drive.

Dual Balanced XLR-out (pre & post EQ or Stereo).

Effects loop (mono or stereo).

Character and Bright filters (clean channel).

HI or LO gain drive engines.

Thin or Deep type (drive channel).

Tuner, Aux-input, Headphones out.

10 Mohms input impedance (main input).

9V DC, 450 mA required (power supply included).

Download the manual >>

 

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