Item #: DAR MICRO900 LIST

Darkglass Microtubes 900 Bass Amplifier Head

Shop Darkglass Microtubes 900 Bass Amplifier Head from AMS with 0% Interest Payment Plans and Free Shipping.

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MSRP: $1,599.95
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$999.95
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Product Description

A compact and powerful bass amplifier, the Microtubes 900 is a 900 watt amplifier equipped with an all analog preamplifier and a Class D Power Module. The first thing you will notice from the Microtubes 900 is its unusual control layout: On the right side you’ll find the clean section which is the foundation of your tone. It features Gain and Master controls an active 4 band EQ. Along with Low and Treble controls you will find Low Mids and Hi Mids control, each knob with their own 3-way frequency switch. On the left side you will find the Microtubes Engine which acts as an extra channel that can bring your clean tone to the next level by helping you cut through the mix while adding anything from subtle tube break up, harmonics and natural compression to obliterating distortion.

Intelligent Footswitch
The Intelligent Footswitch is an intuitive yet versatile accessory for your Microtubes 900. One tap will engage and disengage the Microtubes Engine, while holding for 3 seconds will Mute the amplifier. It is connected to the head via a standard 1/4" cable and it's powered by a microcontroller that sends commands to the head using a proprietary communication protocol.

Darkglass Microtubes 900 Bass Amplifier Head Features

    Input
    Connect your instrument via a standard 1/4” mono cable.

    Passive/Active
    Switch from passive to active mode. Some active basses can have a hotter signal output which can make the amp distort early (feel free to use it on Passive move even with active basses if such additional distortion is desired).

    Microtubes
    Turns on or off the Microtubes Engine to add natural compression, organic harmonic enhancement, and saturation ranging from mild overdrive to high gain bass rage.

    The Microtubes Engine operates before the clean section (you can therefore use the 4 Band Active EQ for additional tone shaping in addition to the Tone knob described below).

    Drive
    Controls the amount of distortion that the Microtubes Engine will deliver. It will change from a soft warm overdrive to a massive modern distorted tone.

    Tone
    Controls the high harmonic content of the Microtubes Engine via a variable low pass filter: crank it up for additional attack and definition or dim it down for a smoother sound. This is handy if running bright clean EQ settings or cabinets with tweeters.

    Level
    Controls the Microtubes Engine’s output volume.

    Blend
    Mixes between the Clean signal and the Distortion signal (Microtubes Engine).

    B3K/VMT
    Selects between two overdrive voicings: B3K mode will deliver an aggressive, percussive sound while the VMT will bring up the mids for a warmer, more neutral character.

    Gain
    Changes the volume of the signal the Active 4 Band EQ. You can set it low prior to ensuring the cleanest operation possible or set it higher for more aggressive growl.

    Bass
    +-12dB at 80Hz. Changes the low content of the signal.

    Low Mids
    +-12dB of the selected frequency via the LOW MIDS switch (described below). Changes the lower mid content of the signal.

    Low Mids
    Use this switch to change the frequency of the low mid band from 250Hz, 500Hz or 1kHZ.

    Hi Mids

    +-12dB of the selected frequency via the HI MIDS ƒ switch (described below). Changes the higher mid content of the signal.

    Hi Mids
    Use this switch to change the frequency of the hi mid band from 750Hz, 1.5kHz and 3kHZ.

    Treble
    +-12dB at 5kHz. Changes the high content of the signal.

    Master
    Controls the overall volume of the amplifier.

    Mute
    Mutes the amplifier.

    Speaker Output
    Connects the amplifier to your cabinet. This Speakon combo jack allows for either Speakon or 1/4” speaker cable operation.

    *WARNING: Do not use an instrument cable with this jack. Using an instrument cable can damage your amplifier.

    Min-Load
    Press when using a 2Ω load. You can use this control to lower the output if your 4Ω cabinet is not able to handle more than 500W (you can also get 350W with an 8Ω cabinet in this configuration).

    Pre Amp Out
    This output connects the preamp to a different power amp.

    Power Amp In
    Use this input to connect a different preamp to the power amp. (master volume will be disabled)

    Post-Pre
    Selects what signal will be delivered by the DI output. Selecting PRE, sends a clean copy of your input bass signal. Selecting POST delivers a signal processed by the preamp of the amp (gain, distortion, eq, master, etc.)

    Ground Lift
    Lifts the ground of the DI XLR output. If a ground noise in you DI signal is experienced, try changing the setting of this control.

    Balanced Output
    Connects the Microtubes 900™ preamplifier to balanced equipment (mic preamp, console, recorder, compressor, audio interface, etc.) via a standard XLR jack.

    Footswitch
    The Footswitch allows you to remotely engage and disengage the Microtubes Engine. Hold the footswitch to Mute the amplifier. The VMT/B3K push button will remain operational with the Intelligent Footswitch plugged in.

* Use a regular mono instrument cable to connect the amplifier to the footswitch.
* Remove the cable from the footswitch jack in the rear panel if you want to control the amp from the front panel.
* The Microtubes 900™ will only work with our proprietary Intelligent Footswitch (included with the amplifier). A generic Footswitch will not work with the Microtubes 900.

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Helpful Info about the Manufacturer
Phone:  Warranty:  1 Year

Product Specifications

Customer Reviews

Chris C. Submitted: 10/9/2018
Product Rating
verified
Subject
My search is over!
Product Rating
What is your opinion of this product?
After years of searching for an overdrive pedal to make my Ampeg SVT-3 sound good, I finally ordered a Microtubes 900. All I can say is wow, why did I wait so long? First of all AMS shipped the amp the same day, so I was playing it a few days later. Between the clean, microtubes and B3K channels and the highly tweakable EQ section, I have so many usable sounds. I've never been happier with an amp purchase, and I've been playing bass since 1984. Right now I'm done with overdrive and drt pedals. The 900 also sounds great live in my punk rock power trio. Do yourself a favor and try this amp out.
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Bassman2367 Submitted: 9/26/2018
Product Rating
verified
Subject
Serious tone, extreme versatility
What is your opinion of this product?
Remarkable tone, remarkable versatility. From warm clean to gritt, to serious growl. I’ve enjoyed this from the moment I got it. Cuts through the mix super well. The mid range versatility is one of the greatest features of this amp. Try it out you won’t regret it.
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Brenna Submitted: 9/9/2018
Product Rating

Subject
I love it
What is your opinion of this product?
Great productt
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Chris Keller Submitted: 5/21/2018
Product Rating
verified
Subject
Best bass amp I've ever owned
What is your opinion of this product?
It took me all about 3 minutes to dialin one of the best bass tones I've ever had. I absolutely love this app and recommended to anyone into bass.
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Timothy Becker Submitted: 4/19/2018
Product Rating
verified
Subject
The next GEN.
What is your opinion of this product?
The Darkglass 900 is the most versitile I have ever had the pleasure to use from the clean channels, to the VMT and B3K preamp settings. I was able to dial in tones similar to damn effing near to tones I was only able to obtain out of a vintage Fender Bassman.
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Poppe Submitted: 4/3/2018
Product Rating
verified
Subject
The last bass amp I will ever buy!
What is your opinion of this product?
I've been playing bass for over 25 years and have played on more bass amps in that time than I can remember. Heavy ass tube amps all the way to tiny combo amps. This amp has it all. I was somewhat sceptical of the class d amps just because of the not so good reputation of other brands... This amp has it all. Light weight, an extended mid range to mess with and 2 different overdrive sections! Plus the clean signal sounds great too! I prefer the vintage micro tube and have been using that. This amp is the bass players Holy grail. Darkglass hit the nail on the head with this 900. Dont hesitate, do your tone and back a favor and buy this thing!
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Lance Tuckruskye Submitted: 12/14/2017
Product Rating
verified
Subject
The sound I have been looking for
What is your opinion of this product?
I bought this head to replace my Mesa boogie 400+ head. I finally have my sound. This amp head coupled with my hartke 4x10 and 15 cabinets has the power, sound and tone i have searched for years. The built in overdrives have a "better" distortion sound than my previous pedal. The equalization parameters hit the mark. If you want new powerful more modern sound than stop here and buy this companies products. Finally loving playing again and I can rip sounds that has my guitar players saying holy crap . Im not lost in mix now
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john Submitted: 12/8/2017
Product Rating
verified
Subject
outstanding
What is your opinion of this product?
Title says it all. Great piece of gear! Thanks, AMS!
AMS Responds:
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tony Submitted: 5/31/2017
Product Rating
verified
Subject
The digital time is now
What is your opinion of this product?
I've been trying them since they came out, but was never sold on the sterile sound. This one has that natural fat note definition in clean mode, this amp is loud clean and fast, should work for any style, then add in the twin engine overdrives, and this amp does it all !
AMS Responds:
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