Darkglass M900V2 Microtubes 900 Watt v2 Bass Amplifier
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The Microtubes 900 is a 900W 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.
Connect your instrument via a standard ¼” mono cable.
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).
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).
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.
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.
Controls the Microtubes Engine’s output volume.
Mixes between the Clean signal and the Distortion signal (Microtubes Engine).
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.
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.
+-12dB at 80Hz. Changes the low content of the signal.
+-12dB of the selected frequency via the LOW MIDS ƒ switch (described below). Changes the lower mid content of the signal.
Low Mids ƒ
Use this switch to change the frequency of the low mid band from 250Hz, 500Hz or 1kHZ.
+-12dB of the selected frequency via the HI MIDS ƒ switch (described below). Changes the higher mid content of the signal.
Hi Mids ƒ
Use this switch to change the frequency of the hi mid band from 750Hz, 1.5kHz and 3kHZ.
+-12dB at 5kHz. Changes the high content of the signal.
Controls the overall volume of the amplifier.
Mutes the amplifier.
26.7x23x6.4 cm (10.5x9.05x2.52 in)
Do not open the amp. No user serviceable parts inside the amplifier.
Make sure the voltage selector switch on the left side panel is set properly (115V/230V) before plugging the amplifier on the AC outlet.
Never use the amp at a high moisture environment or near liquids.
The Microtubes 900 can deliver more than 115 db of power. Exposure to this level of sound can damage your hearing. Use proper hearing protection if you will be exposed.
The Microtubes 900 can deliver more than 900 Watts. Be sure that your speaker cabinet is able to handle that power. You can reduce the output of the amp by selecting the 2Ω mode on the rear panel (by the Speakon output jack).
Do not cover the vent holes. The Fan and vent holes are part of the cooling system of the amp. Covering the vent holes can produce overheating of the power amp damaging it.
Do not use an instrument cable as speaker cable. An Instrument cables are not design to deliver power signals going from the amplifier to the speaker.