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
H. Kang
November 2, 2019
What a beast!
When I mix DI-recorded Basses, they always lag some attitude. There are a lot of bass amp simulations out there but this has the right amount of bite that I need. I gives you some...
Read MoreG. Axon
July 26, 2019
Just what I hoped
Plugged it into a track that needed it and loved it right away!
Read MoreM. Kimble
June 25, 2019
Ampeg B-15N Bass Amplifier
I love this plugin adds just enough heft to direct bass. Sits in the mix really well.
Read More.
May 16, 2019
Absolute Beast
This amp is so much more than I expected! I originally purchased it for use with my bass guitar, but it works great for heavily distorted guitars as well. would definitely recommend to...
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
H. Kang
What a beast!
When I mix DI-recorded Basses, they always lag some attitude. There are a lot of bass amp simulations out there but this has the right amount of bite that I need. I gives you some distortion and mid frequencies to stand out in the mix. Great tool!
C. Greenawalt
Perfect Low End
Best for getting a clear punchy bass.
G. Axon
Just what I hoped
Plugged it into a track that needed it and loved it right away!
C. Wilson
Great
Awesome
M. Kimble
Ampeg B-15N Bass Amplifier
I love this plugin adds just enough heft to direct bass. Sits in the mix really well.
UAD User
Absolute Beast
This amp is so much more than I expected! I originally purchased it for use with my bass guitar, but it works great for heavily distorted guitars as well. would definitely recommend to anyone looking to get some seriously juicy bass tones
B. Gfeller
Great Sound
Like the real Ampeg
K. Kaspersen
My Go-To Bass Amp!
This bass amp is my go-to amp! you can achieve nice fat sound, or round sound.
This amp makes playing bass more fun for me, even though bass is not my number one instrument, i do track bass on my recordings, i simply put Ampeg B-15N on my Unison whenever i am tracking bass, without needing anymore plug-ins for my tracking.
From funky things to rock or relaxed bass sounds, this amp can do it for you.D. Podeschi
When I discovered this plug in.....
When I discovered this plug in I knew I'd found the answer to getting any bass to pop and sit in the mix. I use Trillion for both electric bass and upright bass and an actual Breedlove Acoustic bass DI in my home studio and this amp sim can make them sound right. Gives you that attack that cuts and the tone that sounds real.
S. Masoner
Impressed
Won't try to compare it to a miced up real B-15, but will say I am impressed. Has loads of character and reacts like much like an amp when used in Unison. Sounds great when pushed and there are loads on useful options in the mic/cab sim menu. Easy to find a good tone to sit in a mix.
B. Chung
Awesome!
Just buy it! Itwill make your bass sound huge!
D. Formula
100% Recreation and Much More
The UA, Ampeg B-15N Bass Amplifier is a remarkable software version of this classic 1960’s amp.
Not only a 100% recreation of the original, it offers so many more flexible, processing options. I’ve used it on several sessions already and it’s ability to focus the bass in the mix and correct any eq issues is really something.
Why do it rate it so highly? I owned an original 1964 version between 1966-69V. Kositsky
Rocking bass
Sounds right in the mix. Delivers the punch. Deliver the rock thunder.
Z. Chafin
Perfect
Read the title
L. Lammert
Best Ampeg amp sim
I’ve tried a lot of Ampeg amp sims and this one is by far my favourite
S. Pedneault
Great amp
Sounds like the real shit!
A. Bal
Amp B-15N Bass Amplifier
What can I Say. I love it!! It records better than my Hardware version. I Highly recommend.
d. favuzza
Very Good!
Very beautifull.
The reproduction of the original sound is excellent.
Nice to record in UNISON, but also used in insert to recreate the sound of the amplifier.
I always use it with my Fender P Bass.UAD User
Super Ambeg Sound
Wery good
UAD User
Super Ambeg Sound
Wery good
