OWNER’S MANUAL
018 ended up as the most important year in Darkglass history. With groundbreaking new products, renewed classic releases, and limited-edition pedals, our product catalog grew stronger than ever and we took more steps in the direction we’ve always strive for: making the best gear for musicians all over the world. Developing new products is often a long and challenging process, full of surprises and hard-learned lessons.
DESCRIPTION The Microtubes 900™ V2 is a 900W amplifier equipped with an all analog preamplifier, Class D Power Module and a digital impulse response cabinet emulator for DI outputs or headphones. The Microtubes Engine can be engaged via the front panel or via our own digitally controlled ™ (jack on rear panel). Besides engaging the Microtubes circuitry you can hold the actuator to Mute the amplifier.
FEATURES FRONT PANEL INPUT : Use this jack to connect your instrument via a standard ¼” mono cable. PASSIVE/ACTIVE : Use this push-button switch to change from passive to active mode. If your bass is active it can have a hotter signal making the amp to distort early (feel free to use if such additional distortion is desired).
COMPRESSION: This knob controls the amount of dynamic compression added to the Microtubes Engine. percussive sound while the VMT will bring up the mids for a warmer, more neutral character. The make up gain is adjusted automatically. The compression can be turn off or assigned using the Darkglass Suite. GAIN : Use this knob to change the volume of the signal before the Active 4 Band EQ. You can set it low for ensuring the cleanest operation possible or set it higher for more aggressive growl.
FEATURES REAR PANEL
SPEAKER OUTPUT : Use this connector to connect the amplifier to your cabinet. This Speakon combo jack allows for either Speakon or ¼” speaker cable operation. The outputs are connected in parallel. WARNING: Do not use an instrument cable with this jack. Using an instrument cable can damage your amplifier. MIN - LOAD : Press this switch when using a 2Ω load.
AUX IN: Use this connector to provide to the Headphone output music from your laptop, cellphone, mp3 player, etc. CABINET SELECT: Use this switch to navigate between the 3 different cabinet impulses or the raw sound of your amp. MIDI: The midi input allow you to control the channels of the amp via a midi standard controller. FOOTSWITCH : The Intelligent Footswitch is proprietary digitally controlled device that allows you to remotely engage and disengage the Microtubes Engine.
BLOCK DIAGRAM PA S S I V E ACTIVE DRIVE VMT TO N E IN VMT B3K B3K LEVEL COMPRESSOR GAIN BLEND MICROTUBES/ CLEAN CLEAN BASS TREBLE GRAPHIC EQ PRE OUT POWER IN 2Ω SPEAKER OUTPUTS MUTE POWER D I G I TA L BOARD CLEAN DI POST DI HEADPHONE AMPLIFIER AUX INPUT
WARRANTY AND SPECS WARRANTY SPECIFICATIONS Please register for your warranty at http://mypedal.darkglass.com. The Microtubes 900 is under warranty to the original owner for a period of three years against manufacturing defects in the country where the product was originally purchased.
WARNING · No user serviceable parts inside the amplifier. Do not open the amp. · Never use the amp at a high moisture environment or near liquids. · Don’t use an instrument cable as speaker cable. An instrument cable is not designed to deliver the type of power signals sent from the amplifier to the speaker. TROUBLESHOOTING · 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.