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Darkglass Alpha-Omega 900 Bass Head incl. intelligent Footswitch, state-of-the-art electric bass amp handmade in Finland. The Alpha Omega 900 is a 900W amplifier equipped with an all analog preamplifier and a Class D Power Module and takes the best elements of their most successful distortion preamps adding a studio-grade VCA compressor, 6-band graphic equalizer, MIDI programmability and impulse respose cabinet simulation with up to three different virtual cabinets.
Front Panel Features:
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).
Distortion
Use this push button to turn on or off the Alpha·Omega Engine™ to add natural compression, organic harmonic enhancement, and saturation ranging from mild overdrive to high gain bass rage.
The Alpha·Omega Engine operates before the clean section (you can therefore use the 6-Band Active EQ for additional tone shaping).
Bite
Boosts high mids (2.8kHz) for additional presence and definition.
Growl
Shelving Bass Boost for a fatter tone and increased low end saturation.
Compression
This knob controls the amount of dynamic compression added to the Alpha·Omega Engine. The make up gain is adjusted automatically. The compression can be turned off or assigned using the Darkglass Suite.
Drive
This knob controls the amount of distortion that the Alpha·Omega Engine will deliver. It will change from a soft, warm overdrive to a massive and modern distortion sound.
Level
Use this knob to control Alpha·Omega Engine’s output volume.
Blend
Use this knob to mix between the Clean signal and the Distortion signal (Alpha·Omega Engine).
Mod
Selects or mixes between the two distinct distortion circuits: Alpha is punchy, tight with a lot of definition, whereas Omega is simply brutal and raw.
Gain
Use this knob to change the volume of the signal before the EQ. You can set it low for ensuring the cleanest operation possible or set it higher for a more aggressive growl.
Bass
+-12dB at 80Hz. Changes the low content of the signal.
Mids
+-12dB at 250, 500, 1.5K and 3Khz. This graphic EQ control the mid content of the signal.
Treble
+-12dB at 5kHz. Use this knob to change the high content of the signal.
Master
Use this knob to control the overall volume of the amplifier.
Mute
Use this push button to mute the amplifier.
DIMENSIONS
26.7cm l x 7cm h 25.5 w (10.5”l x 2.75”h x 10”w) / Weight: 2.9Kg (6.39Lbs)
Rear Panel Features:
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. You can use this control to lower the output if your 4Ω cabinet is not able handle more than 500W (you can also get 350W with an 8Ω cabinet in this configuration).
Pre Amp Out
You can use this output to connect the preamp to a different power amp.
Power Amp In
You can use this input to connect a different preamp in the power amp. (master volume will be disabled)
Ground Lift
Use this control to lift the ground of the DI XLR output. If you are experiencing ground noise in your DI signal try changing the setting of this control.
Pre DI Output
Use this connector to send a balanced copy of your clean signal to the console, mic preamp, interface, etc.
Post DI Output
Use this connector to connect the Microtubes 900 preamplifier to balanced equipment (mic preamp, console, recorder, compressor, audio interface, etc.) via a standard XLR jack. Using this connection you have a signal processed by the preamp of the amp (gain, distortion, eq, master, etc.)
USB
The USB connector allows you to use the Darkglass Suite to load different cabinet impulses or change different parameters on your amp (midi, compressor, etc)
Headphone Output
Connect your Headphones and enjoy the impulse based cabinet emulation.
Headphone Volume
This knob controls the volume of the headphone output.
Aux In
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. You can also hold the footswitch to Mute the amplifier. The VMT/B3K push button will remain operational with the Intelligent Footswitch plugged in.
· You can use a regular mono instrument cable to connect the amplifier to the footswitch.
· You must remove the cable from the footswitch jack in the rear panel if you want to control the amp from the front panel.
AC Socket
Use this connector to feed electric power to the amplifier. 100 - 230 VAC, 50Hz-60.
AC Power ON/OFF
Use this Switch to release the audio energy from your bass.
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.
