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Alesis MicTube Duo - Tube Based Microphone Preamplifier

Alesis MicTube Duo - Tube Based Microphone Preamplifier

Alesis MicTube Duo - Tube Based Microphone Preamplifier Back View

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Product Highlights

  • Two Channels
  • DI Inputs for Instruments
  • Phantom Power
  • Pad and Phase Reverse
  • Low Cut Filters
  • LED Ladder Displays per Channel
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The MicTube Duo from Alesis is a dual channel, tube based microphone preamp that can add warmth and vintage tone to any microphone or instrument. A minimized circuit path preserves the original signal and the legendary 12AX7 tube provides low noise functioning.

The preamp features per channel switchable 20dB pads for microphones with hotter outputs or louder sound sources. Phase reverse switches optimize multi-microphone setups, and 80Hz low cut filters help cut rumble, handling and wind noise. Phantom power is provided for use with condenser microphones.

The preamplifer features two 1/4" high-impedance DI jacks for plugging in guitars and basses, in additional to the standard XLR inputs for microphones. Separate per channel Gain and Drive controls allow for dialing in the right blend of level and tone, and LED ladders provide visual feedback of levels.

Dual channel, tube microphone preamplifier
Quarter-inch, high-impedance DI inputs for instruments
12AX7 low-noise vacuum tube adds warmth and musicality to digital recordings
20dB pad, phase reverse, and 80Hz low cut filter per channel
48V phantom power for use with condenser microphones
Gain and Drive controls
LED ladders per channel for metering
Minimized signal path for clarity
Number of Channels 2
Inputs 2 x XLR/TS 1/4" combo
Output 2 x XLR
2 x 1/4" TS phone
Phantom Power Yes (global switch)
Gain Range 0dB to +45dB
Multi Function No
Power Requirements 18VAC, 1000mA via included power adapter
Dimensions (WxDxH) Not specified by manufacturer
Weight Not specified by manufacturer
Specialties 80Hz low-cut filters
Alesis MicTube Duo - Tube Based Microphone Preamplifier
  • External Power Supply
  • One (1) Year Warranty

    by PowerReviews
    AlesisMicTube Duo - Tube Based Microphone Preamplifier

    (based on 1 review)

    Ratings Distribution

    • 5 Stars



    • 4 Stars



    • 3 Stars



    • 2 Stars



    • 1 Stars



    Reviewed by 1 customer

    Displaying review 1

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    (4 of 5 customers found this review helpful)


    It's Like Butter

    By Jay Alexander 123

    from Santa Barbara, CA

    About Me Experienced

    Verified Buyer


    • Easy To Use
    • Excellent Sound
    • Good Warmth


    • None

    Best Uses

    • Amateur Recording
    • Home Studio

    Comments about Alesis MicTube Duo - Tube Based Microphone Preamplifier:

    It smooths with a honey-like compression yet maintains an almost transparent response to highs and other image critical characteristics of the sound you want to capture. I'm using it with an Electrovoice RE 20 mic and the sound is solid, meaty and delicious. Because the 12AX7 tube is operating in a starved condition little exra heat is produced and it can be rack mounted without being overly concerned about ventilation and because there are no power transformers in the chassis there are no concerns of induced hum. This is a Jim Dandy addition to your gear rack.

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