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
S. Duryea
August 19, 2016
Warm and punchy..
Love this amp!! Easy to use and cuts through a mix like warm butter.. My go to amp for now until UA comes up with something better, which is always the case....
Read MoreC. McDonald
August 18, 2016
Ampeg B15
I am old school and remember this amp. This software makes the perfect emulation without the weight and the wait for the tubes to warm up. Thanks you UAD for making my life easier. :-)
Read MoreI. Papagiannidis
August 6, 2016
fantastic!
Great emulation ! tightens up the bottom adds fantastic warmth and low end and makes the bass sounding more in your face. great also for adding distortion to the bass. well done once...
Read MoreH. Barnard
August 2, 2016
5 Stars
Another great sounding amp emulation from UAD... all the warmth and tube tone of the B15 amp.
Read MoreR. Roelofs
August 22, 2016
Quite out of my mind about that thing.
Wow, tomorrow my pay check tonight recorded a heck of a song with this piece. typically something, like the bluesbreaker you wanna use on 44.1, you know: nothing too fiddly, straight...
Read MoreH. Barnard
August 1, 2016
5-Stars
Another great sounding amp emulation from UAD... all the warmth and tube tone of the B15 amp.
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
S. Duryea
Warm and punchy..
Love this amp!! Easy to use and cuts through a mix like warm butter.. My go to amp for now until UA comes up with something better, which is always the case....
C. McDonald
Ampeg B15
I am old school and remember this amp. This software makes the perfect emulation without the weight and the wait for the tubes to warm up.
Thanks you UAD for making my life easier. :-)I. Papagiannidis
fantastic!
Great emulation ! tightens up the bottom adds fantastic warmth and low end and makes the bass sounding more in your face. great also for adding distortion to the bass.
well done once again!
H. Barnard
5 Stars
Another great sounding amp emulation from UAD... all the warmth and tube tone of the B15 amp.
D. Thompson
Still Demo'ing
This plugin, like many other UAD-Sim's just doesn't do it for me
- Lack of that "something"
- I cannot load my own IR's
- There is definitely something that I am not getting which I do get from a certain $12 competitor (I don't work for the competitor)
- The bass is just the same, there really is not much of the magic that UAD seem to achieve with other things such as Comps, Strips
My personal opinion is I won't be buying another UAD amp sim until they truly do make something special. Otherwise, go for the $12 competition. These sims, all of them, really do not cut it in my opinion. Comparing with a $12 sim, NO WAY!
Sorry UAD but you are lacking something and it's looking more to be "hype" than quality.R. Roelofs
Quite out of my mind about that thing.
Wow,
tomorrow my pay check
tonight recorded a heck of a song with this piece.
typically something, like the bluesbreaker you wanna use on 44.1, you know: nothing too fiddly, straight vibes in the belly with a perfect mixdown from your daw of course (sd hd to write to).
If Robin Hood took the money back from the rich and returned it to the poor, UNIVERSAL AUDIO took ROCK back from the rich and returned it to the poor! (yeah, yeah UA, you may use that quote:))D. Thompson
No Buy - Sorry UAD
Ok, demo'd again after your speedy response.
Problems;
- The sim doesn't add any actual real difference to the competition I've compared with
- The lack of custom IR loading is huge factor
- As much as it's modelling (at a reasonable price) an Ampeg B-15N I do not think when it's released natively there will be any difference whatsoever
What I'd like to see is;
A high quality, a real UAD specific, tailored exclusively forever to UAD that is, bass sim that allows Cab Lab 3 type IR loading. A very unique plugin yet modelled on a modern amp head and is Unison including the IRs!
Honestly guys, I have not bought a single new product and I'm not even going to demo unless it truly is unique to UAD. Otherwise, you do good plugsH. Barnard
5-Stars
Another great sounding amp emulation from UAD... all the warmth and tube tone of the B15 amp.
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
