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Universal Audio OX Amp Top Box

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Get Legendary Studio Tones from your Tube Amp - Anywhere, at Any Volume.

OX is a premium reactive load box and guitar recording system, giving you perfectly studio-miked amp sounds from your favourite tube amp. OX lets you play and record your amp in its sweet spots - from huge clean tones and edge-of-breakup to fully cranked - at any volume level, and with mic, room, and speaker cabinet emulations at the turn of a knob.

Featuring Universal Audio's breakthrough Dynamic Speaker Modeling, OX is the first system to accurately emulate speaker drive, breakup, and cone cry - making it the world's finest speaker attenuator and guitar amp recording solution.

  • Play and record your tube amp in its perfect tonal sweet spot - anywhere, and at any volume

  • Instantly audition dozens of album-quality mic and guitar cabinet emulations with front panel "Rig" control

  • Pair your amp to the world's best reactive load, with boutique UA analog quality - built for years of home and studio use

  • Get authentic "edge of destruction" tones complete with speaker breakup and cone cry, via UA Dynamic Speaker Modeling


Features

• Premium, no-compromise analog reactive load box for tube guitar amps
• Five finely-tuned guitar amp attenuation levels
• Front-panel "Rig" control for instant, album-quality mic and speaker cabinet emulations
• UA Dynamic Speaker Modeling emulates speaker breakup and cone cry
• World-class Universal Audio EQ, compression, delay, and reverb effects built-in
• Selectable 4, 8, and 16-ohm operation
• Front-panel Headphone out for silent practice with cranked tones
• Balanced TRS line outs, and S/PDIF digital outs for recording
• Pair with OX mobile or desktop app over Wi-Fi for editing and saving presets

Universal Audio Amp Top Box0 of 0 customers found this review helpful

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Product ExperienceI own it
Closest StoreStratford, Ontario
First off it is a great attenuator. I like the sound of a tube amp when it naturally saturates, when you know where that suits you the best with your amp you can then set the attenuation where you want it to be. I have found the more you turn the speaker down the more headroom you loose, which makes sense of course. But I like some headroom and I am able to step it down twice and it is still good to my ears. But if you have restrictions to the volume you can play at then for sure you can step it down further and get great tone. I have been using the spdif digital out into my interface and am really impressed with how alive and present the guitar is when you record this way. I shut the speaker right down and that is amazing. All the different speakers, cabs and configurations do work well and give you a lot of options. I see some people complaining about the software and lack of direct usb connectivity and I do not see that as an issue at all. I run the OX software on my Windows workstation and it works good, no issues or complaints. Just had a software update and it updated without an issue. Some people want more options cabs, mics, effects etc.. and if that is really important to you this may not be the unit for you. I like that it is straight forward and I want to spend my time playing my guitar as opposed to sampling sounds. It is very quick and easy to get set up and running. This unit is excellent and you can't go wrong getting one.
Posted by Gary on Dec 2, 2019
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The quality your expecting when you buy it.0 of 0 customers found this review helpful

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Product ExperienceI own it
Closest StoreWinnipeg (Pembina Hwy.), Manitoba
I don’t typically do reviews, but this needs some love. First off, it’s is very simple to set up and use (even with the wifi). Probably the best attenuator I have heard. Wish some of the effects and cab sims could be ran into you cabinet. when utilized while recording provides very accurate reproduction of your rig. No 1000 dollar mics needed. Great device and it looks cool too.
Posted by Aaron on Nov 28, 2019
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So glad I bought it.3 of 3 customers found this review helpful

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Product ExperienceI own it
Closest StoreSurrey, British Columbia
This unit brings my guitar recording to a whole new level. I have the Axe FX II Ultra and although great in its own way, I've always felt it just doesn't have that 'real' amp sound. The OX does because your using your own amp and the cabinet/mic modelling is stellar. You don't have to worry about miking your amp anymore. It will be amazing to try different amp heads with this thing. Only complaints 1) The USB ports should be utilized to connect to your computer so you can sync the delay to your DAW. 2) A tuner would be great 3) The processing is great but it needs more. If you're considering this unit you won't be disappointed.
Posted by Gary on Aug 21, 2018
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Can?t believe I?m the first to review!2 of 4 customers found this review helpful

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Product ExperienceI own it
Closest StoreSurrey, British Columbia
I?ve used a lot of different guitar FX, simulators, Kemper, Torpedo, etc. I have the Axe FX II XL which is great in its own way but the OX is definitely a step up from all of them. I?ve got a Krank 100 Watt 2x12 and it sounds great on its own but it?s amazing out of my DAW with this thing. Everything just sounds so real and live! The only things I don?t like are that there?s no USB connectivity only WiFi and there?s no tuner, but I can work with that. If you?re thinking about buying it don?t hesitate. You won?t be disappointed.
Posted by Gary K on Aug 17, 2018
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Introducing OX | Amp Top Box from Universal Audio