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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.

DESCRIPTION

The  Microtubes Engine™ can be engaged via the

front panel or our own digitally controlled 

Intelligent Footswitch™ (jack on rear panel). Besides 

engaging the Microtubes circuitry you can hold the 

actuator to Mute the amplifier. 

We equipped the power module with some unique 

control over the power output and minimum speaker 

loads:

The standard mode will deliver 900W RMS at 4

Ω

/500W at 8

Ω

. If you select the 2

Ω

 Mode via the 

rear panel switch the amplifier will deliver 900W at 

2

Ω

/500W at 4

Ω

 and 350W at 8

Ω

.

This feature allows for maximum power adaptability. 

It doesn’t matter the cabinet configuration or power 

requirements, the Microtubes 900 will deliver 

accordingly.

Содержание microtubes 900

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Страница 3: ...g you cut through the mix while adding anything from subtle tube break up harmonics and natural compression to obliterating distortion DESCRIPTION The Microtubes Engine can be engaged via the front panel or our own digitally controlled Intelligent Footswitch jack on rear panel Besides engaging the Microtubes circuitry you can hold the actuator to Mute the amplifier We equipped the power module wit...

Страница 4: ...ing 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 FEATURES FRONT PANEL 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 smoothe...

Страница 5: ... 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 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 ƒ Use this switch to change the frequency of the hi mid band from 750Hz 1 5kHz and 3kHZ TREBLE 12dB at 5kHz Changes the ...

Страница 6: ...e 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 con...

Страница 7: ...OFF Turns the amplifier on or off 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 ...

Страница 8: ... DRIVE VMT TONE CLEAN LEVEL BLEND INPUT PASSIVE ACTIVE MICROTUBES CLEAN MICROTUBES ENGINE VMT B3K BASS TREBLE B3K LO MID FREQ HI MID MASTER POWER MUTE POST 2Ω PRE PRE OUT POWER IN SPEAKER OUTPUT DI OUTPUT GAIN FREQ ...

Страница 9: ...aker For more information frequently asked questions FAQ and troubleshooting please visit http www darkglass com micro tubes900 faq EMC EMI This equipment has been tested and found to comply with the limits for a Class B Digital device pursuant to part 15 of the FCC rules These limits are designed to provide reasonable protec tion against harmful interference in residential installations This equi...

Страница 10: ...center Claims must be filed with the carrier Repairs outside the EU please contact your local dealer or distributor for your country s specific warranty period and repair procedures Darkglass Microtubes and Microtubes Engine are registered trademarks of Darkglass Electronics Oy Hernesaarenranta 3L 00150 Helsinki Finland SPECIFICATIONS Input Impedance 1MΩ Minimum Load Impedance 4Ω 2Ω in 2Ω mode Max...

Страница 11: ... Consult the dealer or an experienced radio TV technician for help ...

Страница 12: ...DARKGLASS ELECTRONICS HERNESAARENRANTA 3L 00150 HELSINKI FINLAND WWW DARKGLASS COM FOLLOW US ...

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