Mercuriall Audio Software

Tube Amp Ultra 530

VST/AU/AAX plug-in for PC/Mac


Tube Amp Ultra 530 VST/AU/AAX plug-in (briefly U530) based on the popular sound studio preamp ENGL® E530, having a wide range of tone. On this basis, you can customize the sound of the powerful hi-gain to bright crunch and crystal clean tone. We hope that many musicians will use U530 in their arsenal.

FREE version
Tube Amp Ultra 530 Tube Amp Ultra 530 Free
  • $59.99 for new customers
  • $49.99 for existing customers
Modeled Triodes RCA, Tung-Sol, RSD Tung-Sol
Allowed Samplerates 44.1, 48, 88.2, 96 kHz 44.1 kHz
Allowed Oversamplings None, X2, X4, X8 Fixed in the X2 state
Computing engines Fast, Precise Fixed in the Fast state
Allowed Cabinets Eight guitar cabinets 4x12 Modern V30 cabinet
Restrictions of tweaking All knobs are turnable The change of many parameters was restricted
Processing floating-point Double-precision Single-precision
Updates Only initial release
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 $59.99 (incl. VAT)


No waveshapers, and EQ. We use only clean solution of nonlinear differential equations for the most realistic simulation. Tube Amp Ultra 530 (U530) is full circuit simulation of E530 preamp. Furthermore, the U530 has additional features. Simulation of three 12ax7 dual triode models. From old RCA triode to fresh RSD. Allowed processing samplerates at 44.1 48 88.2 96 Khz. Two computing engines make same things but in different way. Fast computing engine based on usage Artificial Neural Networks to approximate nonlinearity of solution nonlinear differential equations. Precision computing engine - for just-in-time solution of nonlinear differential equation at circuit simulation.

Topology of E530 Lead Hi channel
Preamplifier section is modeled so accurately that it is impossible to distinguish the sound of U530 and E530. Here are the reasons under which the U530 is better than the E530:

E530 U530
It occupies a place in the rack and require proper wire connection to the analog audio interface. No loss of quality due to analog-digital conversion when re-amping.
To record multiple tracks you need more than one E530. You can use more than one instance of U530 at same time. Allowed number of U530 instances depends on your CPU performance.
Transistor poweramp section without controlling. Class A poweramp section with Precence and Master controls. Master control can be used for extra warm up your sound.
Two-positional contour switch Three-positional contour switch. Added position for modeling tonestack of tube toner E430.
Coarse cabinet simulation by filtering. No position control and cabinet changing. Eight different cabinets. 2-D Microphone positioning. Poweramp takes into account the different properties of the cabinet resonance.
It is not possible to quickly change the tubes. You can quickly switch to one of the 3 models of tube.
The level of the signal coming from the guitar is insufficient to unleash the potential of the Clean Lo channel. To unlock the potential of the Clean Lo channel has a boost mode (Lo Clean Boost switch) that raises the level of the input signal in 2 times (only for Clean Lo channel).

Preamp section

4 channels, Clean, Crunch, Soft Lead, Heavy Lead, 3 band EQ for Clean/Crunch, 4 band EQ for Soft/Heavy Lead, separate channel volumes, preamp defeat switch, Bright switch, Contour switch.

Poweramp section

Class-A Tube Amplifier based on pentode 6V6 with feedback loop and Presence control. Poweramp section take into account cabinet resonance properties. If Cabinet simulation switched off, poweramp section operates in neutral mode witch make you possibilities to use your own impulse responses captured with coloring of poweramp tubes.

Cabinet section

Cabinet simulation based on impulse responses of eight famous guitar cabinets. Precision 2D positioning of microphone. It is based on:

Model Description
Bogner® Uberkab 412 4x12 Celestion® G12T-75 (new)
Marshall® 1960A 4X12 Celestion® G12M (new)
Marshall® 1960B 4x12 JBL® K120 (vintage)
MESABOOGIE® 4X12 RECTIFIER 4x12 Celestion® Vintage 30 (new)
HIWATT® SE4123F 4x12 Fane® SE4123 (vintage)
Bogner® 212C 2x12 Celestion® Vintage 30 (new)
Vox® AC30 2x12 Alnico Blues (vintage)
Fender® Tweed Deluxe 1x12 Jensen P12R (vintage)
Mic used - Shure® SM57.

Additional features

Additional modes for clean and lead channels: Lo Clean Boost increase input signal level twice for Clean Low mode to better warm up tube stages. E430 turn Lead channel tonestack to tonestack of E430 floor preamp. Stereo chorus for stereo widening adds more character to the clean sound. All sections can be switched off separately. It provide you possibility make plugin chain and insert another plug-in inside U530 processing pipeline.

Minimal System Requirements

PC Mac
CPU Intel or AMD with SSE2 support Intel Core 2 or newer
OS Windows Vista or later OS X 10.7 or later
DAW VST 2.4 compatible or Pro Tools 11 AU or VST 2.4 or AAX64 compatible
RAM 2 Gb 2 Gb 260D8D41B7D5
Disk Space 44 Mb 83 Mb

U530 Plugin - Demo

U530 Plugin - Review  


Compare U530 & real E530