background image

function's setting via MIDI, affording you

to a

.

What's more, the

is

to match

the amp's various operating modes, which

of its

.

4.

and

knobs in each of the four channels and a

for

let you dial in distinct tones with surgical precision.

->

and

ports serve to integrate the amp into a MIDI system.

->

, accessible via 16 MIDI channels.

-> The

The Serial Amp Control Port accepts the Custom Z-9 Footswitch (optional); use it

as a conventional switcher to select channels and two more functions directly.

Then there's the MIDI In, which accepts the Z-9 for use as a simple MIDI

footcontroller or any other MIDI footcontroller. Finally, the amp is equipped

with a stereo jack that takes a dual footswitch, allowing you to switch the

four channels remotely.

->

for suppressing noise in

,

and

.

Among the hallmarks of this fine amp are painstaking workmanship and finishing as

well as rigorously tested and carefully selected quality components. You'll find

guidelines on care and maintenance of tube amps on page 28. Under the heading Tips

from the designer, you'll come across practical tips on the aforementioned features

quick access

broad tonal palette

Sound function's voicing

automatically adjusted

extends the scope

tonal

spectrum tremendously

Separate Gain

Volume

3-band EQ

channels 1, 2, 3 and 4

128 MIDI presets

INVADER II amp offers three different remote interface ports:

Programmable Noise Gate

5.

- an

that's versatile

enough to cover a wide range of applications.

It can even be

with

, all of which will give

you

and

.

->

:

,

,

and

with

separate Gain and Volume knobs.

->

(and

with the optional

) for each

of the basic channels: The High Gain function affords you instant access

to

with

for

.

>

: one EQ for each Channel featuring

Bass, Middle and Treble.

-> The versatile

for Channel 1, 2, 3 and 4:

It is

to

the given channels'

.

->

and

are variable, switchable effect

loops. Each effect loop may be activated for each channel.

-> The power amp's and

knobs are

.

MIDI controller #7 or #28 accesses

, and in addition

is

. These choices come in handy if you wish to use

the

signal to

.

ENGL INVADER II

ultra-advanced tone-generating machine

extended

Sound Wizard technology

years of playing pleasure

value to boot

Four basic channels

Two Gain variants

three

two gain settings

different voicings

every channel

Four voicing sections

Sound voicing button

tuned

match

tonal characteristics

Two effect loops:

A

B Master

accessible via MIDI

MIDI-programmable

Pre Output

tune your guitar

Features and Functionality at a Glance

Channel 1 Channel 2 Channel 3

Channel 4

FX Loop I

FX Loop II

Amp Mute

Amp Mute

Sound Wizard

-

MIDI In

Thru

Channel 2 Channel 3

Channel 4

5

Summary of Contents for INVADER II

Page 1: ...Operator s Manual Please first read this manual carefully 4 Channel Full Tube Guitar Amplifier with MIDI Control INVADER II...

Page 2: ...IN OR MOISTURE CAUTION Footswitch Serial Amp Control Port CAUTION Connect Custom Footswitch Z 9 Only Midi Thru Midi In Midi Foot Controller Channel Up Down 1 3 2 4 Midi Channel Amp Mute Signal Outputs...

Page 3: ...on Amp Mute and the P T M System Power Ground Lift Switch Low High Gain Volume Ratio Control CH 1 CH 2 CH 3 CH 4 Pre Out Line Out Poweramp Output speaker options Mains Mains Fuse MIDI Section and Foo...

Page 4: ...hniques for instance Channel 4 for and an power chords Channel 3 for with an All four channels offer Low Gain High Gain switching as well as dedicated Gain and Volume knobs and a 3 band EQ for each ch...

Page 5: ...al spectrum tremendously Separate Gain Volume 3 band EQ channels 1 2 3 and 4 128 MIDI presets INVADER II amp offers three different remote interface ports Programmable Noise Gate 5 an that s versatile...

Page 6: ...the two and settings when using the ENGL Sound Wizard module optional The LED above the button lights up to indicate the Sound function is enabled It may also be switched via MIDI program change or th...

Page 7: ...a few more words to an optional feature that extends the tonal capabilities of the Sound function on the INVADER II amp It caters to demanding players who want to sculpt their sound with the surgical...

Page 8: ...cking or active jobs dial in settings between 10 and 1 o clock and activate This is the preamp voicing section s passive low frequency EQ for This is the preamp voicing section s passive midrange freq...

Page 9: ...determines the preamp s input sensitivity when Channel 3 is selected and by extension the preamp signal s saturation level Like Channel 4 Channel 3 s gain structures range from to extreme making it a...

Page 10: ...of Channel3 spreampanddialinthedesiredbalancewiththeotherthreechannels levels Becausethisknobislocatedpreeffectsloop italsodeterminesthesendlevelsforbothFX loopswhen isselected TheredLEDtotherightofth...

Page 11: ...te undesirable peripheral noise in overdriven channels This is attributable to the physical properties of an amp s constituent components in particular its active components That s right those cherish...

Page 12: ...options are too numerous to mention so switch back and forth between Low and High Gain in each of the four channels and vary the Gain knob settings to get to know their tonal characteristics and make...

Page 13: ...ected and by extension the preamp signal s saturation level hannel 4 has plenty of headroom so I recommend setting the Gain knob to somewhere between 8 and 1 o clock This will let you dial in impressi...

Page 14: ...amp The red LED to the right of the Channel 4 Volume knob 30 lights up to indicate Channel 4 is active Channel 4 may also be activated via MIDI program change the ENGL Custom Z 9 Footswitch or a dual...

Page 15: ...a programmable feature to a MIDI memory slot generally called a preset Here s how to distinguish between and with the former you re actually programming or writing a new MIDI preset with the latter y...

Page 16: ...sly programmed MIDI preset a MIDI controller 7 or 28 command see chapter 46 to learn more or by sending the appropriate Z 9 command to the Serial Amp Control Port 47 Deactivate by setting Standby 38 f...

Page 17: ...6 If none of these ports is in use flipping the Standby switch will not activate the power amp This ensures the amp is not operated without a connected load In addition an electronic surveillance syst...

Page 18: ...during short breaks In this mode current is not piped through the power tubes so they don t get as hot due to the lack of anode dissipation and are spared considerable wear The amp is ready to run wh...

Page 19: ...power supply for connected ENGL MIDI foot boards Power is fed to the board via the MIDI circuit When the switch is set to the left position power is routed to the MIDI In port s pin 1 and pin 2 refer...

Page 20: ...e MIDI channel 1 2 3 4 5 6 OMNI OFF XX XX XX XX XX CH 1 ON OFF OFF OFF OFF XX CH 2 ON OFF OFF OFF ON XX CH 3 ON OFF OFF ON OFF XX CH 4 ON OFF OFF ON ON XX CH 5 ON OFF ON OFF OFF XX CH 6 ON OFF ON OFF...

Page 21: ...eo jack plugs This MIDI enabled foot board is a custom design that switches every amp feature designated as footswitchable in this manual To learn if a given feature may be controlled remotely refer t...

Page 22: ...erent levels of noise and I tuned the ENGL INVADER s Noise Gate accordingly However there is some minor matching variance between the two stands to benefit most from the Noise Gate so I suggest that y...

Page 23: ...connected effect device is patched to the power amp serial 100 wet Set this knob to when this loop is not in use This knob adjusts the balance of volume levels between in Low Gain mode and in High Gai...

Page 24: ...or diverse cabinet options An electronic surveillance system constantly monitors if a plug is inserted into the speaker outputs 62 63 64 65 and 66 If a plug is not inserted into one of these 5 jacks t...

Page 25: ...just this one channel The same goes for Channel 2 Its spectrum ranges from clean with the Gain knob set to around 1 o clock or lower again depending on the pickup to a touch of vintage style grit wit...

Page 26: ...ure yet another gain stage in each channel if you happen to need a little more sonic firepower Beyond that I voiced Channels 3 and 4 differently Channel 4 s midrange is scooped and its hair trigger re...

Page 27: ...ity to put that processor to even better use and employ it to power a couple of reassuring protection systems One is which checks every power tube individually the other is a speaker output surveillan...

Page 28: ...dicate that is activated 3 Select the target preset via the MIDI foot board you have approx 30 seconds to do this The amp automatically quits Copy mode 30 seconds after it is activated 4 Press and hol...

Page 29: ...fe Replace tubes with selected tubes that satisfy ENGL selection criteria to forestall microphonic properties undesirable noise and unbalanced power amp signals Because power tubes idle current bias m...

Page 30: ...also extinguishes once the new setting has been stored 4 Copy process was activated by pressing the Write Copy button Indication LED lights up continuously What to do If desired cancel the Copy opera...

Page 31: ...n to check if the preamp is actually receiving data Is another foot board the ENGL Z 9 or a two way footswitch connected and therefore blocking MIDI reception Is at least one speaker connected to the...

Page 32: ...e problem try detaching the Sound Wizard module from the amplifier by unplugging the connection between the two To do this first disconnect the amp from the mains power let it cool down if it was powe...

Page 33: ...al Programmer EEPROM 93C66 for data retention Asynchronous data protocol according to the MIDI standard Proprietary ENGL asynchronous data protocol approx l x h x d approx 27 95 x 11 x 11 4 in approx...

Page 34: ..._ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Reason _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 3 Replaced on _ _ _ _ _ _ _ 20 _ _ _ Replaced by _...

Page 35: ...MIDI data wire Pin 5 MIDI data wire Pin 2 power supply approx 11 volts AC Pin 3 N C page 19 Stereo 1 4 jack Serial Amp Control Port 47 tip 5 volts ring Data sleeve Ground GND Very important use a ster...

Page 36: ...MPN set switch loop status On or Off with 5 6 7 8 for the respective Loop store the setting with 0 Send controller value commands with 1 or 2 switch between the default controller value and the initi...

Page 37: ...E COPY MUTE HIGH GAIN INVADER II S W M Amp Tube GAIN 2 GAIN I MIDDLE MIDDLE TREBLE TREBLE VOLUME 2 VOLUME I GAIN 4 GAIN 3 TREBLE TREBLE VOLUME 3 VOLUME 4 MASTER A PRESENCE MASTER B DEPTH PUNCH INPUT P...

Page 38: ...ly or newly selected configuration For example if LED 3 flashes when the Z 9 s Setup routine is activated then the INVADER s switching feature is currently assigned to the corresponding S A C command...

Page 39: ...AIN OR MOISTURE CAUTION Footswitch Serial Amp Control Port CAUTION Connect Custom Footswitch Z 9 Only Midi Thru Midi In Midi Foot Controller Channel Up Down 1 3 2 4 Midi Channel Amp Mute Signal Output...

Page 40: ...ube Amp Technology Tube Amp Technology ENGL Ger tebau GmbH Germany Internet www engl amps com Text design graphics and layout by Horst Langer Amp Designer Photography INVADER II Amp Stefan Wibbeke R R...

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