Darkglass Electronics Microtubes 500 v2 Manuale utente

OWNER’S MANUAL

The Microtubes 500 v2 is a 500W ampliﬁer equipped

with an all analog preampliﬁer, Class D Power Module

and a digital impulse response cabinet emulator for DI

outputs or headphones.

Probably the ﬁrst thing you will notice from the

Microtubes 500 is its unusual control layout: On the

right side you’ll ﬁnd the clean section which is the

foundation of your sound.

It features a Master volume and active 6 band EQ.

Along with the mandatory Low and Treble controls you

will ﬁnd 250Hz, 500Hz, 1.5KHz, 3KHz sliders. Character

is all in the midrange, by having 4 dedicated Mid

controls allow you to cover the whole mid range

(250Hz to 3kHz) you have total control and ﬂexibility

over the ampliﬁer’s character.

On the left side, by the Input jack you will ﬁnd the

Microtubes® Engine which acts as an extra channel

that can bring your crisp clean sound to the next level

by helping you cut through any mix while adding

anything from subtle tube break up, harmonics and

natural compression to obliterating distortion.

DESCRIPTION

The Microtubes Engine can be engaged from the front

panel or via our own digitally controlled Intelligent

Footswitch (jack on rear panel). Besides engaging the

Microtubes circuitry you can hold the actuator to Mute

the ampliﬁer.

The Intelligent Footswitch is housed in an elegant,

laser engraved unibody chassis and requires a

standard ¼” mono cable (not included) for it’s full

operation.

This deceivingly simple feature allows for maximum

power adaptability: It doesn’t matter the cabinet

conﬁguration or power requirements, the Microtubes

500 will deliver accordingly.

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).

MICROTUBES: Use this push button to turn 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 6 band EQ

section (you can therefore use the 6 Band Active EQ for

additional tone shaping in addition to the Tone knob

described below).

COMPRESSION: This knob controls the amount of

dynamic compression added to the Microtubes Engine.

The make up gain is adjusted automatically. The

compression can be turn off or assigned using the

Darkglass Suite for each mode separately (Clean, B3K,

and VMT).

DRIVE : This knob controls the amount of distortion that

the Microtubes Engine will deliver. It will change from a

soft warm overdrive to a massive modern distortion

sound.

TONE : This knob 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, especially handy if already

running bright clean EQ setting or cabinets with

tweeters.

LEVEL : Use this knob to control Microtubes Engine’s

output volume.

BLEND : Use this knob to mix between the Clean signal

and the DIstortion signal (Microtubes Engine).

B3K/VMT : This push-button switch 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.

BASS : +-12dB at 80Hz. Use this knob to change 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.

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.

WARNING: Do not use an instrument cable with this

jack. Using an instrument cable can damage your

ampliﬁer.

SEND : Use this output to send the signal to effects

pedals.

RETURN : Use this input to receive the signal from

effects pedals. Master volume control is after this

input.

FEATURES

REAR PANEL

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.

DI OUTPUT: Use this connector to send your signal to

the console, mic preamp, interface, etc. Both signals

are available (Bypass and the amp signal with cabinet

simulation) and are switched from the cab select

switch.

USB: The USB connector allows you to use the

Darkglass Suite to load different cabinet impulses or

change different parameters on your amp.

HEADPHONE OUTPUT: Connect your Headphones and

enjoy the impulse based cabinet emulation.

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 clean DI signal.

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.

BLOCK DIAGRAM

DRIVE

VMT

TONE

LEVEL

BLEND

MICROTUBES/

CLEAN

PA SSIVE

ACTIVE

VMT

B3K

BA S S T REBLE

GRAPHIC EQ

COMPRESSOR

B3K

POWER

MUTE

PRE

OUT

POWER

POST DI

SPEAKER

OUTPUTS

HEADPHONE

AMPLIFIER

AUX

INPUT

DIGITA L

BOARD

CLEAN

WARRANTY AND SPECS

SPECIFICATIONS

Input Impedance: 1MΩ

Minimum Load Impedance: 2Ω

Maximum Power Output: 500 Watts RMS @ 4Ω(1khz

full blast 2 min max) 20%THD

450 Watts RMS @ 8Ω

Power Amp Input Impedance: 1MΩ

Power Amp Input Level: 2400 mW RMS

Pre-Amp Output Impedance: 1kΩ

Pre-Amp Output Level: 2400 mW RMS

Maximum Power Consumption: approx. 700VA

Forced-air cooled

AC Input Power: 100-250 VAC (Via selector switch on

left side panel).

Cycles: 50/60 Hz

Dimensions: 18.0 cm x 7.1 cm x 23.0 cm, l x h x w,

(7.1" x 2.8" x 9.1")

Weight: 2.4 kg (5.29 lbs)

Built and Engineered in Helsinki, Finland.

(00358) 504 757005

WARRANTY

Please register for your warranty at

http://mypedal.darkglass.com. The Microtubes 500 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.

If you experience a problem with the unit, please contact

[email protected]om to receive a Return Authorization

number or for information on the nearest authorized

repair center. A copy of your original receipt must be

included with all warranty repairs. You are responsible for

all shipping charges. The unit must be shipped to us

freight prepaid. We will return the unit freight collect.

Darkglass Electronics Oy is not responsible for shipping

damage either to or from our service center. Claims must

be ﬁled with the carrier. For repairs 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.

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.

· The Microtubes 500 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 500 can deliver more than 500 Watts.

Be sure that your speaker cabinet is able to deliver that

power.

· 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 damage the power amp by overheating

it.

· 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 button controls do not react: check if the

footswitch is connected. If you do not want to use the

footswitch, you have to unplug the cable from the rear

back of the amp.

· The amp does not turn on: check if the power cable is

connected and if you have power on the wall.

· The sound is low: check your speaker cable. Never use

instrument cable.

· The sound is distorted or too high: check if the passive

active switch match your bass.

Indice

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