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Diezel Amplification / Herbert / 2010's / Black / Amp For Sale

. . .  is a 6-power tube guitar amplifier head. It features 3 channels, for 3 distinct different guitar sounds.

It's main difference from the VH4 models are in voicing, circuit design, and general layout. Overall the Herbert has a more familiar, slightly looser feel than the VH4, without losing much of the Diezel signature definition and tightness. Simply put, the amp is a player's amp, forgiving and ready for whatever one's soul and mood desires.

    * Channel one produces a warm and sparkly clean sound, reminiscent of a piano,. It has immense overhead, whenever a very loud, but crystal clear clean tone is desired.

    * Channel two is a dual purpose channel, it's two voicings can be selected with a toggle switch. The (-) mode of this channel has dynamics to range from a vintage type clean sound to a broad crunch. The (+) mode of this channel offers similar voice, but much more gain. Both modes provide ample pick sensitivity.

    * Channel three offers a high gain structure, but again with very good pick sensitivity and easy control. The distortion structure is transparent, but yet percussive and brutal.

Herbert Amplifiers have a selectable mid cut feature, assignable to all channels. This adds tremendously to the versatility of the amp. The mid cut feature has a compensation control called "level". This allows the guitar volume to be compensated in the event of the mid cut being engaged in mid song.Herbert's master section features dual volume controls, and global presence and deep control knobs. Master effects loops are switch-able serial loop, parallel loop, and serial loop.

Model:     Herbert
Output:     180 W
Channels:     3, with second master and mid-cut up to 6 voicings
Loops:     1 parallel, 1 insert loops, 1 switchable insert loop midi in & thru / phantom - power
Equalization:     gain, treble, mid, bass, volume per channel add. gain switch on Channel 2 switchable mid. cut with adjustable volume
Preamp:     3 individually voiced, all tube pre- amps. Clean, crunch, lead
Poweramp:     6-tube power amp section. Accepts 6L6, EL34, 5881, 6550, KT66, etc. Pairwise mixings possible, pairwise bias control
Dimensions:     74x29x28 cm
Weight:     27 kg

Listen to soundclips here:




Channel 1


Volume and the three band EQ will give you all you`ll ever need - from Hiwatt warm clean

to a Fender sparkling clean sound. If you engage simultanously the mid cut section when

running clean, there are even more sounds from it - funky or hollow - you name it.

Sparkle, Funkyness, Warmth . . . .



Channel 2

Channel 2 offers the whole spectrum of crunch sounds (or even lead) you can think of.

In the minus position and the gain around 35% you`ll get typical cranked Plexi sounds, setting the gain

a bit higher to say 60% (keeping all other pots noon) - voilà: 800s territory. Now flip the switch

to the + mode and get the typical Diezel trademark crunch (gain around 40%). Tight, punchy, fast attack

a dream for those who prefer the harder stuff. Rotate the gain to 60% and play leads.

Versatility . . .


Channel 3


With the gain around 30% you`ll get your metal rythm channel - use the mid cut to land in Recto territory.

Without the mid cut engaged, gain @ 50% and the mids a bit cranked you`ll get a screaming or creamy lead -

just depends on your style/axe/fingers. Crank the mids a bit above noon to add some bite.

If you want to use it for both, rythm AND lead - find your ideal setting and simply engage the second master

to get your personal volume boost.

Perfection. Simplicity and Effectiveness.

Master Section




Flip the V2 switch to engage the second master volume -

that will be indicated by the left LED. Leave presence

and deep around noon for a start before experimenting.



Switches, Loop, Mute . . .


Of course the two on the right are self-explanatory,

but the hot stuff is on the left. Store your patches

simply by hitting the store switch. You want to expand

your rig with more channels?

Herbert has two different serial loops.

Use the switchable to expand it with a preamp -

while the non-switchable is hooked to your

preferred FX unit.

How cool is that?

You need to tune while gigging? Simply

set a patch muted. Over midi - of course.

Mid Cut Section


This is where the men are seperated from the boys.

Both pots noon will give you a pretty strong cut,

excellent for clean sounds.

Intensity around 40% and level 60% and

brewtalness for metal comes thru your speakers.

Intensity at zero and volume to your taste - voilà -

another (programmable) master volume.



Call for price

Diezel Amplification, Germany  

Contact name:
Peter Stafper
Diezel Amps
English & German
Guitar Amplification
Opening hours:
By appointment.

The DIEZEL amps are manufactured in the heart of Germany. A small, creative team ensures the fact that the development walks constantly in front of the guitar amplifier sector, particularly in tube technology.

As a master of his class the name Peter Diezel stands for highest quality and innovation. His experience of many years as musician as well as technician made it possible to solve sound problems of guitarists and to give a new dimension to guitar amplification with his achievements.
DIEZEL - amps are all to a large extent hand-made and developed with absolute care and precision.

These amps are not at all assembly-line produced. Highest quality of construction units, durable and long-lived finish make them to sound machines second to none.

The newest product proves DIEZEL quality once again : The ultimate power package named HERBERT will define the future of guitar sounds all over the world!

Please call us for ordering or contact one of our local dealers:

  Send message to: Diezel Amplification, Germany
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