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Engl Invader 100 E 642 Tube Guitar Amp Head   

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The ENGL Invader 100 E 642 Tube Guitar Amp Head features 8 different gain stages in 4 separate channels that include four separate EQs. Powered by 4 ...Read More

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A 4-channel 100W amp head crafted in Germany with pure tube tone.

The ENGL Invader 100 E 642 Tube Guitar Amp Head features 8 different gain stages in 4 separate channels that include four separate EQs. Powered by 4 EL34 Tubes the Invader delivers a total amount of 100 watts. The idea behind the Invader is that guitarists need ultimate flexibility and control in any given playing situation. It achieves this by using a special 4 channel layout.

Named Channel 1, 2, 3, 4, these channels are able to produce different Overdrive / Gain structures in each one from Crunch to High Gain. Every Overdrive Voicing in the channels is different. In conjunction with the Hi / Lo gain switch, which can be remote controlled and a separate EQ section for each channel, there will be no limits except the guitarist creativity.

• Channel 1: Silken Clean to Crispy Crunch

• Channel 2: Fat & Bulky Crunch to NU-Rock / Metal Rhythm / Lead

• Channel 3: Tight Warm Crunch to Classic Dynamic Rock / Metal

• Channel 4: Modern Crunch to Singing Harmonic Leads

There are three different remote interface ports available on the ENGL Invader amp head: A Serial Amp Control Port accepts the Custom Z-9 Footswitch (optional); use it as a conventional switcher to select channels and two sound-shaping 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 guitar amp is equipped with a stereo jack that takes a dual footswitch, allowing you to switch the four channels remotely.

  • Four Basic Channels with separate Gain and Volume knobs
  • Two Gain Variants for each channel
  • Four Voicing Sections - 3-band EQ for each channel
  • Bright sound-shaping Button for Channel 1 & 2
  • Two Effects Loops that are variable and switchable
  • A and B Master knobs are accessible via MIDI
  • MIDI Ins and Thru ports
  • 128 MIDI Presets via 16 Channels
  • Three different remote interface ports

Invader 100 E 642 Tube Guitar Amp Head

  • Preamp:
  • 4 channels. four 3-stage EQs incl. logarithmic treble curve, Bright switch for Channels 1 and 2, separate Gain and Volume controls for each channel, Hi / Lo Gain switch, Noise Gate with threshold adjust, 2 parallel FX loops, 4 x ECC 83 / 12 AX 7 preamp tubes. Tuner out activated via standby switch.
  • Master Section: 100 watts (4 EL 34 tubes), Master A / B switch, Presence and Depth Punch control for poweramp soundshaping, Electronic Tube Protection circuit and powertube monitoring system.
  • Outputs: MIDI IN / THRU, jack for ENGL Z-9 footswitch, jack for ENGL Z-4 / Z-3 footswitch, 2 x FX Send, 2 x FX Return, 2 x FX Balance, preamp out / tuner, line out / power amp, speaker outs 2 x 4, 2 x 8, 1 x 16 ohms
  • MIDI programmable functions at a glance, storable in any combination as required: Channel switching, Master A / B, Bright, Hi / Lo Gain, FX Loop 1 and 2, noise gate, amp mute (tuner)
  • Dimensions (l x h x d): 27.95" x 10.62" x 11.41", (71 x 27 x 29 cm)
  • Weight: 46.29 lb. (21 kg)

Review Snapshot

by PowerReviews
EnglInvader 100 E 642 Tube Guitar Amp Head

(based on 6 reviews)

Ratings Distribution

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Reviewed by 6 customers

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By Tom

from Lubbock tx

About Me Professional Musician


  • Easy To Use
  • Excellent Sound
  • Good Warmth
  • Powerful


  • heavy

Best Uses

  • Events
  • Home Studio
  • Performances
  • Professional Recording

Comments about Engl Invader 100 E 642 Tube Guitar Amp Head:

I absolutely love this amp! I have played through mesa boogies, marshalls ect... None have the versatility or quality this does. You definitely get the bang for your buck on this amp. All the channels have unique qualities and sound amazing. I play everything from jazz to metal to country and the ENGL invader can do it all. This amp is very tough as well. I travel a lot and past amps (fender, vox, marshall, mesa ect..) tend to break and burn out with heavy gigging. I have been gigging heavily with this amp since 2010 and haven't ever had a tube blow or a knob fall off. Definitely a must buy. The only negative thing I have to say is that it is a bit bulky and heavy to lug around.

(2 of 6 customers found this review helpful)


What the 5150 should have been

By Purpledc

from Near chicago

About Me Experienced

Verified Reviewer


  • Amazing definition
  • Easy To Use
  • Excellent Sound
  • Great clarity
  • Powerful
  • Unbeatable control


  • Pricey

Best Uses

  • Performances
  • Recording

Comments about Engl Invader 100 E 642 Tube Guitar Amp Head:

This amp is IMHO everything the 5150/6505 amps should have been. This amp has the same controls as a 6505+ but adds 2 more channels and a 2 modes per for the equivalent of 8 different sounds. Its very flexible and it really is a master of all trades. Many high gain amps make a sacrifice in some area (cleans) to provide the pain of the high gain channel. Not the invader. If your thinking of a sound this amp can deliver it. You want mids? you got them. You want to scoop them out? they are gone. And every turn of a dial yields a usable tone. There is no filler here folks.

(0 of 2 customers found this review helpful)


The quest for tone is finally to an end!

By The Mike

from Brentwood, California

Comments about Engl Invader 100 E 642 Tube Guitar Amp Head:

The invader 100 to me is the amp to end all amps. The first tome i cranked it, we were all in shock. how did it possible sound that good? it was even better than the sound in my head!! The 4 channel setup is amazing. don't let anyone tell you that's too much. with the Z-12, i used all four channels in a jam the other day and it works flawlessly. switching is amazing. i never had channel switching with my Marshall's. it really cuts through the mix well too! bottom line: this amp is well worth the money and you will be satisfied.

(2 of 2 customers found this review helpful)


Darn near perfect guitar amplifier

By Nickname

from US

Comments about Engl Invader 100 E 642 Tube Guitar Amp Head:

I've been through so many amps I'm running out of amps I would consider buying. The Invader 100 is one I've had my eye on for a long time.. I've owned a Steve Morse Engl amp previously and liked the tone but with that amp there was a level of gain I could not dial out. I heard that the Savage, Blackmore and Invader amps had a more versitile gain structure.. Well. This amp is darn near perfect! with 4 channels of different voicings, high and low gain settings and a bright switch for channels 1 and 2 and the same switch being an upper mid punch for channels 3 and 4 .. it covers everything from gooey clean to country clean to plexi overdrive to actually fairly high gain all just on channel 1! channel 2 and 3 seem to be everyones favorites and with those two channels you can absolutely cover all gain needs.. from 70's and 80's gain.. ( takes overdrives great!) to the deepest death metal with the uber low end of channel 3. then you still have channel 4 which is voiced for leads .. it is mid-range heavy and is my least favorite but it is still an excellent versitile channel. This one amp really is all I could ever need. BTW, you know that deep grinding, swirl distortion tones you hear when pro's let big power chords sustain? Well, this amp does that in spades.. finally I found something that lets me get tones that I hear by some of my favorite bands. Highly recommended amp. My only down sides for this is that Engl seems to be somewhat noisier than most high gain amps. The Noise gate supplied is a very heavy gate and I don't like it at all. My solution was to buy a ISP Technologies Decimator G Pro Rack which is also a fantastic piece of gear. As far as looks go which I'm not afraid to admit matters a great deal to me cause I love tube amps and I will stare at this amp .. black and chrome with blue leds behind the power tubes and plenty of leds on front. WAY happy with this amp and I feel worth the extra beans.

(0 of 1 customers found this review helpful)


I NEED this amp...

By GuitarTiz

from Texas

Comments about Engl Invader 100 E 642 Tube Guitar Amp Head:

I've been eyeing this amp for a while now, and I finally got to try one out at a local store, and WOW, this amp is my sound. I'll get a ton of use out of the Channel 3 alone. Our band plays Prog/Metal (inspired by TOOL, but with many more influences as well) so we tend to have a heavy grind to our sound, but we also have instances where we need a bit more, or less, and with all the options this amp has, it'll be no problem. Like i said though, Channel 3 is going to be the core of my sound. Very throaty, and even cleans up nice with a volume pedal.

(1 of 2 customers found this review helpful)


Engl Invader Fan

By GearJunkey

from London

Comments about Engl Invader 100 E 642 Tube Guitar Amp Head:

I purchased an invader sight unseen based on the feedback of others. I have to say I'm not at all dissapointed. The variation of sounds you can get from the 4 channels is dynamic. Cleans are clear and bright and the distortion sounds on channels 2 and 3 easily cover classic rock all the way up to modern metal. Add in 2 effects loops, midi capabilities, a built in noise gate and some ultra cool ambient lighting and you have one mean package.

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