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Average Price: $370
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$199
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Based on price data from 2 merchants for "Tech 21 Sansamp RBI Rackmount Bass Tube Amp Emulator". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Introducing the Tech 21 Sansamp RBI Rackmount Bass Tube Amp Emulator, a true game-changer in the world of bass amplification. This rackmount SansAmp offers a wide spectrum of classic and modern bass amp tones, even the hard-pushing overdriven tones that you'd typically need a plethora of devices to achieve. It's like having a whole fleet of bass amp rigs in a single, convenient rack space.
This versatile emulator is designed with familiar controls including Drive, Presence, Blend, and active Bass and Treble controls. The Drive control adjusts the overall amount of gain and overdrive, while the Presence brings out the upper harmonic content and attack. The Blend control lets you mix the direct instrument signal with the SansAmp Tube Amplifier Emulation circuitry. The active Bass and Treble controls allow for +/-12dB cuts or boosts.
Key Features:
- Dedicated Mid control
- Individual Level control for the XLR out
- Effects Loop with Mix 50/50 switch for series or parallel configuration
- 1/4" rear input and XLR output with selectable levels
- Buffered uneffected XLR output for dry signal routing
- Footswitch input to engage the unit
- Footswitch output for chaining and toggling between another SansAmp RBI
With the SansAmp RBI, you can achieve a solid foundation of tone, travel light, and still deliver an astonishingly heavy sound. It's the perfect companion for any bass player who desires a vast range of bass tones at their fingertips.
Product specs
| Type | Preamp |
| Form Factor | Rackmount |
| Rack Spaces | 1U |
| EQ | 3-band EQ |
| Inputs | 2 x 1/4" |
| Outputs | 1 x XLR (effect), 1 x XLR (dry), 1 x 1/4" (effect), 1 x 1/4" (dry) |
| Other I/O | 1 x 1/4" (remote switch) |
| Power Source | Standard IEC cable |
| Height | 1.5" |
| Width | 19" |
| Depth | 6.25" |
| Weight | 5 lbs. |
FAQs
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What is the primary function of the Tech 21 SansAmp RBI?
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The Tech 21 SansAmp RBI is a rackmount bass preamp designed to emulate the sound of a tube amplifier, allowing bassists to achieve warm, vintage tones in both live and recording settings.
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Can the Tech 21 SansAmp RBI be used for live performances?
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Yes, the Tech 21 SansAmp RBI is suitable for live performances, offering both XLR and 1/4" outputs for direct connection to PA systems or amplifiers.
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What are the connectivity options available on the Tech 21 SansAmp RBI?
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The Tech 21 SansAmp RBI features 2 x 1/4" inputs, 1 x XLR and 1 x 1/4" effect outputs, 1 x XLR and 1 x 1/4" dry outputs, and a 1/4" remote switch input.
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Does the Tech 21 SansAmp RBI require a specific power source?
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The Tech 21 SansAmp RBI uses a standard IEC cable for power, making it easy to integrate into most rack setups.
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How does the 3-band EQ on the Tech 21 SansAmp RBI affect tone shaping?
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The 3-band EQ on the Tech 21 SansAmp RBI allows for precise tone shaping, enabling users to adjust bass, midrange, and treble frequencies to suit their musical style and setup.
Videos
Sweetwater
Tech 21 RPM Bass Preamp Demo - Sweetwater Sound
Tech 21 RPM Bass Preamp Demo - Sweetwater Sound
Sweetwater
NAMM '17 - Tech 21 Geddy Lee Signature SansAmp & Q\Strip Demos
Premier Guitar
Review Demo - Tech 21 GED-2112 Geddy Lee Signature SansAmp
Premier Guitar
Tech21 SansAmp RBI bass preamp no talk DEMO
RazemProdukcja
Reviews
PROS
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Exceptionally versatile with a wide range of tones
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Provides a consistent sound for live and studio setups
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Easy to achieve punchy, clear bass tones
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Effective for both expensive and less expensive bass guitars
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Quiet operation with no hum or buzz
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Built like a tank, ensuring durability
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Excellent for direct recording, eliminating the need for a cabinet
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Offers both clean and overdriven channels for flexibility
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Handy blend control for mixing original signal with effects
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Simplifies setup and pack-up, ideal for gigging musicians
CONS
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Presence control can be harsh if not used carefully
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Drive control requires moderation to avoid overly dirty sounds
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No ground lift option, may need careful rig grounding
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Not as user-friendly as the pedal version, with more complex controls
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Tech 21 Sansamp RBI Rackmount Bass Tube Amp Emulator.
Features and functionality
Use cases and applications
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Tchad Blake reportedly uses the Sansamp to enhance drum recordings, suggesting its utility beyond just bass and guitar.
Source -
The Bass setting emulates a Fender Bassman, providing potential tweed-like sounds for those seeking classic vibes.
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Owners appreciate its capability for home recording, especially as a quiet practice tool or for quick DAW integration.
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The Boss OBD3 pedal is noted for adding a tube breakup sound, especially effective with minimal gain and blend settings.
Source -
The Way Huge Pork & Pickle pedal combines overdrive, distortion, and a preamp in its blend circuit, providing a tube amp-like presence.
Source
Comparisons
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The ParaDriver is essentially a pedal version of the Sansamp RBI, with additional mid-range EQ adjustability, making it versatile for both bass and guitar.
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The RBI is contrasted with the Darkglass B7k for tone shaping, where the B7k is favored for its superior EQ and low-gain distortion effectiveness.
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The Darkglass Vintage Deluxe is praised for emulating old school distortion sounds from bands like Led Zeppelin and Rush, offering both low and high gain versatility.
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The Darkglass Alpha Omega and Alpha Omicron are highlighted for their extreme distortion capabilities, although they are not considered budget-friendly.
Source
User experience
Value and pricing
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Users recommend purchasing the rack unit used, often finding it available under $100, making it a budget-friendly option for those seeking its specific tone.
Source
5.0 out of 5
Based on 6 Reviews and 27 Ratings
114
My go to for tracking bass!
Recommended by Greg Wells and he wasn't lying! This things sounds great. You can get some beautiful tones out of it. Some of the best bass tones I have ever recorded have come from this unit. Fantastic signal to noise ratio, way cleaner that my 1073. Awesome on guitar too!!
Preferred Settings + Usage:
Turn up the drive till it starts growling nicely and blend in to taste. Ready to go!
316
Best $300.00 I've ever spent.
I've recently switched over to the VT-RM, but still highly recommend the RBI. I've used the RBI for over 15 years and must say.......it's probably the best $300.00 I've ever spent on a piece of bass gear. I -GREATLY- prefer the rackmount over the pedal, to each their own, right? I'm old school, but have used 2 RBI's in the studio. Bass to RBI to board and had great results bypassing the traditional amp and cabinet route. IMO, everyone should own one. That's not saying you'll use it full time, but you'll find it handy more often than you might think.......
474
Great Bass Preamp
Being a big fan of the Bass Driver pedal, I knew I wanted to get the rackmount version of it to use in my live rig and see how it worked out. I must confess: I love this thing! It’s basically everything that the regular BD has but with more options for tonal variety. It’s great to use for live shows and for in-studio work as well. It brings a lot more character to my sound with that tube-like warmth while I’m doing any kind of recording. It’s all around a great addition to any bass rig, and I encourage those who haven’t already to check it out yourself and see how it works for you!
31
Fantastic Bass Tube Amp Emulator
The RBI Bass Driver provides the bulk of my tone in my current live/studio setup. I currently run this directly into an old MosValve power amp and it really wails. There's a selection of suggested presets to choose from, some of my favourites being the Fat Tube, Bassman, and SVT - the emulation of the Ampeg SVT's iconic sound is one of the main reasons I picked this up, and in my opinion it comes very close to delivering the same authentic tone, but it's not perfect. You can of course dial in whatever tone sounds good to your ears. In comparison to the pedal version, the RBI allows you to explore a wider range of tones; this is great for crafting unique sounds, but it's not as user-friendly as the pedal, which has less control options, yet almost impossible to get a bad sounding tone from. Overall, this is a versatile piece of gear, and has replaced a conventional amplifier in my set up, and I would recommend it over the pedal version.
253
"magic that makes the bass really cut through"
"My favorite tool for recording bass besides the API 512C preamp. This thing just makes the bass growl and punch through a mix. I love to combine it with a DI and amp signal for that final extra bit of magic that makes the bass really cut through"
Artist usage
Add artist
At 0:43, the video pans to a shot of the Fender amps Mike now uses. But you'll also notice there are two Sansamp RBI's in the rack system. Even with the quality of the video, you can tell its a RBI rather than a RPM (the third control knob is a blend control whereas its a mid shift on the RPM, which would be a lot more writing on that part of the amp!). I'd imagine this is used to help shape the bass tone for DI purposes.
Geddy uses this for his dirty sound, live and in the studio
At about 1:14 at the top you can see the SansAmp Tech 21 NYC
Mikey Way uses the Tech 21 Sansamp RBI Rackmount Bass Tube Amp Emulator as part of his bass rig. In the photo provided, the Sansamp RBI is visible in the third or fourth slot of his rack, positioned between an Ampeg head and cabinet.
Owl City's studio has one Tech 21 SansAmp RBI listed amongst its Outboard equipment.
This Premier Guitar rig rundown states that Pete Wentz uses a Tech 21 Sansamp RBI Bass Tube Amp Emulator.
In the provided image, the Tech 21 Sansamp RBI Rackmount Bass Tube Amp Emulator can be seen positioned on top of Matt Kean's amplifier.
John cooper uses two tech 21 sansamp rbi bass pre amps in his live rig. One is for clean and the other is for dirty tones
In November 2011, on Twitter a fan asks Kevin Baird: "...a hugh [sic] fan of TDCC and your bass lines,just wanna know which [sic] pedals do u use to get that cool synthy sound :)"
Kevin Baird replies: "gallien and kreuger 1001 head, ampeg 4x10HE, sansamp rb1 rack effect and an mxr bass octave pedal."
"sansamp rb1 rack effect" most closely matches the Tech 21 Sansamp RBI Rackmount Bass Tube Amp Emulator.
Stated in the rig diagram on guitar geek 2004
The official website of American rock band Five Finger Death Punch (F.F.D.P.) lists the gear used by bearded bassist Chris Kael on the most recent 2015 tour. Among the items listed is the Tech 21 SansAmp RBI Bass Rack unit.
Album Usage
The Tech 21 Sansamp RBI Rackmount Bass Tube Amp Emulator has been featured on the following albums:
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use Tech 21 Sansamp RBI Rackmount Bass Tube Amp Emulator, it is most commonly used with the following gear.
Community setups
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