Ampeg® B-15N Bass Amplifier
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The iconic bass amp sound of the ’60s and ’70s, exclusively for UAD-2 and Apollo.
The Ampeg B-15 bass amp defined the sound of recorded electric bass. From Motown sides with James Jamerson to classic Stax records with Donald “Duck” Dunn, this 30-watt, 1x15, all-tube brute oozes character — delivering a warm and fat fundamental note that laid the foundation for ’60s and ’70s rock, funk, and soul.
Developed by Brainworx, the Ampeg B-15N Bass Amplifier plug-in perfectly emulates the circuitry, tone stack, and iconic thump of Ampeg’s limited-edition Heritage B-15N bass amp — exclusively for UAD-2 hardware and
Apollo interfaces.Now You Can:
Track and reamp with legendary all-tube, B-15 tone — from jazzy clean to warm overdrive to heavy distortion
Harness two flavors of the iconic B-15 circuit — 1964 and 1966 — each with switchable bias controls for further tweaking
Hone your tone with the robust and meticulously emulated two-band Baxandall EQ
Audition 42 separate high-end recording chains, featuring four different cabinets and multiple classic microphones
Take A Listen
The Sound of Giants
The Ampeg B-15N Bass Amplifier plug-in flawlessly captures the original hardware’s dual 6L6-powered circuit as well as its simple, ultra-musical two-band Baxandall EQ. Simply use the Volume control to dial in rich, smoky tones, perfect for jazz and soul, or inch the Volume up for a fat guttural growl that teams with harmonics and character.
Two Channels, Tons of Tones
An evolution of the classic B-15 recipe, the B-15N sports two channels — 1964 and 1966 — each offering two flavors of iconic tones. The 1964 side gives you a 25-watt cathode biased circuit, whereas the 1966 input features a 30-watt, fixed bias circuit. Sonically, the 1964 side is spongier and breaks up earlier, while the 1966 input gives you a tad more headroom and midrange beef. Additionally, you can toggle between selectable bias modes, yielding even more tones and textures.
B-15N FX Rack
The B-15N plug-in provides additional control over your sound through the inclusion of the Brainworx FX Rack. It features a Noise Gate to control low-end buzz, switchable high-pass and low-pass filters to provide even more tonal options, and a Power Soak circuit that allows you to dial in as much overdrive as you want, without having to crank the output gain.
Unison™ Technology for Apollo Interfaces
Harnessing UA’s groundbreaking Unison technology, the Ampeg B-15N plug-in gives you the impedance, gain staging, and circuit behaviors that have contributed to making this iconic bass combo one of the most recorded bass amps in history.
Customer Reviews
D. Montoya
July 9, 2020
Hells Yes!
Finally. Seriously great bass tone in the box, direct to records. Very inspiring tones and feel. My bass go to.
Read MoreL. Weisz
July 9, 2020
Ampeg
Még nem próbáltam ki mindent rajta, de nagyon meggyőzőnek tűnik!
Read Morej. dequeant
July 5, 2020
Métamorphose
On insert et la track bass se métamorphose. Un bonheur!
Read MoreJ. Walsh
June 25, 2020
YES!
This plug-in gives the balls to what has been missing in my what I used to be happy enough with bass tracks- this covers all any bass might need. Thank You again!...
Read MoreM. Karges
June 9, 2020
"What Distortion is That?!"
I bought this plug in a while ago and it never fails to impress me. I have a YouTube channel where I post bass related videos, and I just got another comment, "How do you get your bass...
Read MoreG. Waddington
May 19, 2020
Oh Yeah
Been playing bass for over 50 years, been up and down with all the fads de jour and I always end up back at a Jazz with flats and a Precision with heavy flats --...
Read More -
Key Features
The classic tone of the studio staple Ampeg B-15N bass amp used on countless hit recordings
2 distinct preamp circuits (1964 and 1966) producing two flavors of vintage Ampeg bass sound
Unison™ technology for the tone, touch, and feel of the classic B-15N preamp section
Tone Controls: Baxandall style Bass and Treble (per channel)
42 Recording Chains with multiple speaker cabinets recorded in a state of the art room with stellar gear
Feels like a real amp when played through Apollo's Realtime UAD Processing
Physical input impedance and hands-on control of Gain staging with Unison technology
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Customer Reviews
Ampeg B-15N Bass Amplifier
D. Montoya
Hells Yes!
Finally. Seriously great bass tone in the box, direct to records. Very inspiring tones and feel. My bass go to.
L. Weisz
Ampeg
Még nem próbáltam ki mindent rajta, de nagyon meggyőzőnek tűnik!
j. dequeant
Métamorphose
On insert et la track bass se métamorphose. Un bonheur!
J. Walsh
YES!
This plug-in gives the balls to what has been missing in my what I used to be happy enough with bass tracks- this covers all any bass might need. Thank You again!
M. Karges
"What Distortion is That?!"
I bought this plug in a while ago and it never fails to impress me. I have a YouTube channel where I post bass related videos, and I just got another comment, "How do you get your bass tone??" It was for The Clash's song "Should I Stay or Should I Go," which Paul Simonon uses a distortion tone, and this plug nails it. In fact I've gotten tons of comments specifically about how I get my tone on the videos. So I tell them, BUY IT! - UAD B-15N plug. Thanks UAD for making me sound good.
G. Waddington
Oh Yeah
Been playing bass for over 50 years, been up and down with all the fads de jour and I always end up back at a Jazz with flats and a Precision with heavy flats -- 0760M if you know those. This amp was MADE for that sound !! I usually mix 2 tracks -- DI and amp, but sometimes even a third with another amp. VERY happy me :)
K. Andersen
Wonderful!
Got rid of the Kemper I was using for bass and needed a replacement. This fit the bill perfectly!
S. Hendrickson
Ya..it's that good!
I've been doing bass tracks from my home studio for years now. Always got a great tone, always made the client happy. Why fix it if it's not broken right? Anyway, upgraded to an Apollo interface and it opened a whole new world of plugins. Saw the B-15N plugin. I've read about it,heard good things about it, but why add another plugin to a chain that's already solid. So for the heck of it I downloaded the trial and just clicked on a preset. Well after a few seconds I used my favourite swear word and knew that I couldn't go back. The tone was amazing, it was the sound I've been searching for and it was right there in a preset without having to futz around to find it. It truly was a game changer. I've used it on a few sessions (things have slowed down a bit with Covid) and the results have been amazing. Such great bass tones, tight, every classic tone imaginable plus an unlimited amount of new tones to play with. This is the first plugin in my signal chain now and I couldn't have been happier with my purchase. When you try it, you'll get it.
D. Fornes Berenguer
A la primera!!
Se queda como amplificador Matriz para bajo, sonido impecable, y con el overdrive justo si saturas un poco, suena genial, para mí, salvo que busques un sonido mas vintage como el SVTR Classic, el B-15 es ponerlo y ya no lo cambias. Genial.
D. Fornes Berenguer
A la Primera se queda como standard!!
Se queda como amplificador Matriz para bajo, sonido impecable, y con el overdrive justo si saturas un poco, suena genial, para mí, salvo que busques un sonido mas vintage como el SVTR Classic, el B-15 es ponerlo y ya no lo cambias. Genial.
K. Arnokouros
Ampeg B-15N Bass Amplifier
Fantastic plug-in. Gives me the right amount of AMP simulation I need for a Bass guitar parallel FX channel.
C. Grabau
Fantastic!
Sounds amazing - exactly what I needed.
R. Whitney
Sounds Good
I'm only an occasional bass player for my own home recordings, and I've never owned an actual B-15, so I can't evaluate this simulation with any authority. I give it four stars because it does sound like a miked-up amp to me (and this I've done a fair amount of in the past), and it provides a variety of speaker/mic combinations as well as the two versions of the amp: 1964/1966. It sounds better to me than their SVT Classic Legacy (which I have owned an actual specimen of years ago). I do wish it had Fet47 and U87 microphone simulation options, and perhaps distance and placement options like some other similar plugins do. But at the end of the day, I still usually prefer to go direct in, sans amp sim, into their 1176LN legacy and maybe the Studer A800 tape sim. It's probably me, but the amp sims always give me a muddy result whereas the DI approach usually sounds clearer. I might put an IR on the track after the fact. Among preamp sims so far, I like their simple Neve Preamp best for recording bass.
V. WILLS
Had the original , loved it with Fender basses, Watched Fab use it on the NAMM LUNA demo!
IT's my go to Bass tone now, plug in my Fender Precision 5 string, Avalon Vt 737, into Ampeg B-15, instant success!!! it sounds excellent with lots of cool options, IT'S INSTANT TONE!!!
T. Fokas
I ended up also purchasing the SVT but also love this area
S. Kaufman
USD B 15N review. Excellent!!
Haven’t used it much yet, but I can already tell that it’ll be my go to bass plugin. The ability to add it on input is just great.
As I am a bass player, older ( 69) and old school 62 precision, 67 percussion fretlessed), 70 jazz) if there’s bass plugin that I hear about, I buy it. I have the 2 ampeg AmpliTube collections, the Mark bass studio collection, the softube eden WT and so forth. My first bass amp, bought in 1970 was a b -15. It got away somewhere down the line. So I do have an emotional attachment to that model.
Anyway, so far, it appears to outshine the competition. Very pleased. Will need more time to focus on my input skills going forward, but it’s winner so far.
I have usually just taken my bass directly into a j48 active DI , into my interface and then into Pro Tools. Just went UAD, so this unison, low latency input option is a new world to learn. For my personal style, I play no tone. Do the challenge is getting a full sound, but with reasonable definition and lack of muddiness on the low end.
I do lie all tge others I’ve mentioned, but this went to the top of the list.P. Sviyazov
Great
At extreme settings sounds awesome
M. Parlett
Game changer
I ran the demo and had to have it!
The best bass amp emulation out there.
Clean and transparent with plenty of grunt!l. mathieu
Perfect
Great sound, great punch, great plug-in
M. Lewandowski
Ampeg B-15N Has Beef!
Love the thick tones this amp sim gives me with my P-bass! I run a DI track, with a dupe track with the added B-15N. Some eq adjustment and I get the best of both worlds on two faders. Love it!!
