LICHTLAERM AUDIO Prometheus Mark 1.5

About the LICHTLAERM AUDIO Prometheus Mark 1.5

The all-valve Prometheus head is a groundbreaking MIDI-controllable two-channel guitar amp from Lichtlaerm Audio in Germany. 

This is your chance to preorder yours, out of just 50 available globally in this next batch being built this summer.

The Prometheus has already proven to be in high demand with players who appreciate the ultimate in heavy tone tools. It's built in a compact chassis and features thoughtful touches that really matter to guitarists, such as the three-way Bite switch, external bias points, and defeatable preamp.

Lichtlaerm Audio's Daniel Ringl (ex-KMA Machines) has designed a stonker of an amp, offering chiming cleans and supreme high gain tones with laser focus and a superbly dialled-in midrange.

What's new in the Mark 1.5?

New for the Prometheus Mark 1.5, the Vintage mode has been redesigned to give a fuller and more ‘classic’ voice. 

The Cut control now only affects the Modern mode.

A colour-changing LED has been added to reflect your mode selection: Vintage or Modern.

The Mark 1.5 is the latest version of the Prometheus, which will start shipping once building gets underway in Q3 2025. 

Prometheus highlights

The Lichtlaerm Audio Prometheus head is packed with some really juicy features:

The Clean channel features two different voicings: Warm is based on a Verellen Meatsmoke and is super pedal-friendly; Brilliant is more chimey and based on a Fender Twin with a hint of Hiwatt. 

Due to the high headroom design, don't expect a ton of breakup - especially if you're running KT88s - but it's a versatile foundation for glorious clean sounds with or without pedals.

The Lead channel is uniquely voiced and designed from the ground up to cover atypical frequency ranges in order to stand out in a dense live or studio mix.

With its Vintage and Modern voices, plus 3-way Bite toggle, it's capable of covering everything from Classic Rock to Doom, and from Black Metal to Metalcore (and beyond!).

In Vintage mode with less bite you're getting classic Marshall vibes (especially if you order the 4xEL34 version), while Modern mode invokes liquid gain reminiscent of a Mesa Mark or Soldano SLO-100. But different! It's definitely its own thing.

A built-in noise gate (a complete The Key & Gate pedal circuit!) keeps hiss and noise out of the equation, even at extra-high gain settings.

The Prometheus is fully MIDI controllable, which is perfect for more complicated setups, and of course, coming from a guitar pedal company, the Prometheus is an insanely good pedal platform! Its killer feature for pedal-heads is that you can switch out the amp's own preamp section and run your favourite preamp pedals into it, making use of that tasty power section.

And if that's not enough, the Prometheus even features a built-in 9V out on the back to power your pedals!

Prometheus demos

Prometheus pre-order options

Pre-order yours with either 4x EL34s (classic British character with tight bass and plenty of mids; 100w) or 2x EL34s & 2x KT88s (British mids-focus with deep, rich bass, detailed highs, and more headroom; 142w)

Lichtlaerm Audio uses TAD RedBase valves when available – if not, the go-to choice is JJs.

Select your custom finish from several options (see images):

• Blackout
• Black stain
• Snakeskin with red front stain
• Snakeskin with green front stain
• Dark walnut stain
• Black tolex & dark walnut stain
• Dark walnut stain

Please note that these are built to order by Daniel during his next available build slot, so wait times may be several weeks. Please contact us if you have any queries in advance of ordering.

Note that Boost Guitar Pedals has reserved just two of the 50 global build slots. This is a UK exclusive, but of course we offer worldwide, insured delivery (with some caveats – please refer to our orders & deliveries FAQ for details.)

Delivery is free, so there will not be any hidden surprises at checkout, however if you are outside the UK please be aware that there will likely be import fees to pay, which we are not responsible for. 

Once you have placed your order, we will be in touch at various points to keep you updated on your order, including confirmation of delivery tracking once it is ready.

Prometheus features

• 100-142w depending on power valve configuration selected
• 2.5 channels: Clean & Lead with different voicings, and a high/low-gain option for the Lead channel
• All-valve design
• Ships with footswitch
• Lightweight and compact design with milled side handles for easy transportation
• Amp preamp-bypass for use with preamps or preamp pedals (footswitchable & MIDI-controllable)
• Noise gate (complete Key & Gate pedal circuit) triggered from the input and placed before the effects loop (footswitchable & MIDI-controllable)
• Valve-buffered effects loop
• Full MIDI control with intuitive setup and "thru" connector
• Standard footswitch inputs (Channel/Loop) & (Defeat/Gate)
• External bias-points for valve pairs (mix and match all octal valves to your liking)
• 9V outlet on the back to power your pedals
• Lichtlaerm proprietary "Cut" control to change the overall response of the Modern mode: tighten up or fatten up your sound
• High-headroom Clean channel with two voices: warm (extremely pedal-friendly, based on a Verellen Meatsmoke) and brilliant (a chimey clean based on a Fender Twin with a little Hiwatt sprinkle)
• Custom-made pots for fine-tuned, usable range on Depth & Presence controls
• Line-out from the output transformer (external load or cab required)
• Handmade in Germany: custom overwound transformers & custom-made knobs
• 19"-mountable with adapter (sold separately)
• Real gold-leaf lettering on front panel!