Gear Hunter

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.

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 MΩ input impedance (main input).
* 9V DC, 450 mA required (power supply included).

Specifications

Input Impedance
Parallel mode 1.5 MΩ // 44 pF
Serial mode 10 MΩ // 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 MΩ // 22 pF
DRIVE: Gain Range 40 dB

Engines
Lo: Type 2nd harmonics soft
Hi: Type Symmetrical 2-stage with +18 dB gain
TYPE: Thin/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 Ω
Input Impedance: 200 kΩ // 22 pF

Phones Out
Recommended Impedance: 32-200Ω

Aux Input:
Input Impedance 20 kΩ
Nominal Level -10 dBv

Output
Output Impedance: under 1 k[ohms]
Signal Level: nominal 0 dBv
Output Level: nominal -20dBv

XLR Connections: 1-GND, 2-Hot, 3-Cold
Options: Pre/Post EQ, L/R Ch. in stereo mode
Power Requirements: 450mA @9V
Max: 750mA @9V (with headphones at max output level)