Universal Audio UAFX Lion '68 Super Lead Amp
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- This item is covered for 3 years
What you need to know
What you need to know
- The reference "Plexi" in pedal format: three voicings of 100 W British amps (Super Lead, Super Bass, "Brown") faithfully recreated.
- UAFX dual-processor technology and dynamic speaker modeling derived from the OX Amp Top Box for ultra-realistic cab sims.
- Iconic built-in boosts (Maestro EP-III preamp, Boss GE-10 EQ, Variac, bias) to shape gain and punch without losing dynamics.
- Perfect for live use through a console/FRFR/DAW, in 4-cable mode with your amp, or on a compact pedalboard ready for the stage.
Manufacturer Information
Universal Audio
https://www.uaudio.com
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From Legendary Plexi to Modern Studios: Capturing the Legacy
Since the late 1960s, the "Super Lead" and "Super Bass" heads have shaped rock, from high-voltage blues to powerful stadium shows. The UAFX Lion '68 condenses this heritage into three carefully modeled 100 W amp personalities, delivering the sparkle, musical compression, and authority that have defined generations of guitarists. No compromises, and no bulky stacks.Who Is It For and What Are Its Uses?
Ideal for fans of blues-rock, classic rock, hard rock, and traditional heavy metal, the Lion '68 suits both ambitious beginners and demanding pros. Live, plug it directly into an FRFR speaker or use 4-cable mode with your head/cabinet. In the studio or your DAW, it provides consistent and repeatable takes, perfect for reamping, demos, and polished productions.- Use a recent shielded power supply for optimal performance.
Technical specifications
| Effects | Preamp, Modeling Processor, Cabinet Simulator | EQ | Yes |
| Technology | Digital | Type | sector |
| Format | Pedal | Use | electric guitar |
| Cabinet Simulator | 6 | Color | Black |
| Engine | dual UAFX processor recreating late-1960s 100 W British tube amplifiers. | USB-C port | updates from a computer. |
| Three modeled amplifiers | " Super Lead ", " Super Bass " and " Brown " (modified Super Lead voicing). | Amplifier controls | gain, volume/master, EQ, presence. |
| Built-in boosts | Maestro EP-III preamp, Boss GE-10 10-band equalizer, Variac and bias controls. | Footswitches | two, customizable. |
| Additional content | amp/speaker mods, additional cabinets and microphones, available as a free download after product registration. | UAFX mobile app | footswitch customization, noise gate adjustment, preset recall/archiving, access to artist features and presets. |
| Speaker modeling | dynamic, derived from the OX Amp Top Box. | Dimensions | 65 x 92 x 141 mm. |
| Included configurations | GB25 (late-'60s 4x12 Marshall, Celestion " Greenback " 25 W), GB30 (4x12 " 100 " birch, Celestion " Greenback " 30 W), JB|GB (mix of 2x Celestion 25 W / 2x JBL D-120F), 1x12 Electro-Voice EVM12*, 2x12 Two-Rock Celestion G12M-65 Creamback*, 4x12 Marshall 1960 TV Celestion " Vintage 30 "*. | Weight | 0.567 kg. |
| Microphone captures | multi-mic with dynamic room ambience. | Included accessories | original box and documentation. |
| Speaker cabinet/mic section bypass | yes. | Power supply not included (recommended reference | UA PSU-GP1-WW). |
| *Availability of certain speaker cabinets/microphones | via the UAFX Control app. | Patch cables | not included. |
| Inputs | 2 x 1/4" TS jacks (right input for stereo connections and 4-cable mode). | Power supply | 9 V DC, center-negative. |
| Outputs | 2 x 1/4" TS jacks (right output for stereo connections and 4-cable mode). | Power consumption | 400 mA minimum. |
Customer reviews
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I was not thrilled with this preamp that was too sanitized and synthetic for my taste. Maybe it's due to the lack of lamps...
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Questions frequently asked
Which amps are modeled by the UAFX Lion '68 Super Lead Amp?
Three 100 W voicings are offered: Super Lead, Super Bass, and Brown, the latter capturing the character of a modified Super Lead. The Super Bass mode features a softer attack and fuller lows.
Can the Lion '68 be used directly with an FRFR speaker?
The six built-in speaker cabinet simulations allow direct connection to an FRFR speaker via the 6.35 mm TS jack outputs.
What power supply is required for the Lion '68?
A mains power supply is not included. A minimum consumption of 400 mA is required. The UA PSU-GP1-WW is indicated as the recommended power supply.
Can the speaker simulation be disabled?
The speaker simulation can be bypassed to place the pedal in front of an amplifier. Stereo connections and the 4-cable mode use the right TS 6.35 mm input and output.
What settings are available with the UAFX app?
The UAFX mobile app allows configuring the two footswitches and adjusting the noise gate. Presets can be saved or recalled, with access to additional functions and artist presets.



