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BAE B15 500 Series Equalizer

3-band 500 Series EQ with 5 selectable frequencies per band, Avedis 1122 opamps, and Jensen transformer balanced input and outputs
MFR# B15

Product Description

The BAE B15 is a three-band gyrator circuit 500 series EQ that combines Jensen transformer-balanced inputs and outputs with legendary Avedis 1122 op-amps for a one-of-a-kind sound. The BAE B15 offers the best of both worlds: the fast, punchy tone of the API 312 preamp and the unmistakable color and richness of the iconic Neve 1073.


With hand-wired, all-discrete Class A circuitry, the BAE B15 EQ delivers low noise and high headroom—almost like a hi-fi version of your favorite vintage designs. Hearty Jensen transformers at the input and output stages add warmth to any recording, while Avedis 1122 op-amps ensure minimal distortion.

Ideal for tracking, mixing and mastering, the B15 is capable of everything from subtle sonic shaping to total tonal transformation. The B15 is highly versatile and designed for use with live or sampled drums, guitars, vocals, acoustic instruments—even your mix bus.


The BAE B15 utilizes silky-smooth Elma rotary switches and three custom machined aluminum knobs. Each band features dual-concentric controls with five selectable frequencies and up to +16 dB of boost and cut.

Dial in silky smooth highs using the top band, with selectable frequencies at 6.8 kHz, 8.2 kHz, 10 kHz, 12 kHz and 16 kHz. Capture a creamy midrange using the center band, with selectable frequencies at 560 Hz, 750 Hz, 1.5k Hz, 3.3 kHz and 5.5 kHz. Beef up the bottom-end on any track with the low band, which offers selectable frequencies at 63 Hz, 120 Hz, 200 Hz, 300 Hz and 430 Hz.

All three bands default to peaking filters, although simple push-button controls at the bottom of the module enable high and low shelving options.


All BAE products are hand-made in California using premium-grade analog components. Inspired by classic vintage designs, BAE products combine authentic sound quality with modern features to create versatile, flexible and affordable signal processors for modern audio engineers.


  • Standard 500 series modular size 1.5" x 5.25"
  • 3-bands with 5 selectable frequencies per band
  • +16 dB of boost and cut using continuous variable potentiometer
  • Push button shelving option for low and high frequencies
  • All discrete design
  • High headroom
  • Low noise
  • Jensen Transformer balanced input & output
  • Custom machined aluminium knobs
  • Elma Gold plated rotary switches and 15-way connector for longer life
  • Utilizes Avedis 1122 Opamps

Product Specifications

Condition New
Tube or Solid State Solid State
Channels Single-Channel
Chassis Module
Module Type 500 Series
Module Slot Count 1 Slot

Product Reviews

5 out of 5 stars.
Review Count (2)

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Mark and his Team Killed it on this EQ. I have been using it on Tracking my Bass Since it came out. I recently started using it mixing. I'm looking forward to purchasing another to be able to add them on my Master Bus.

By Donnie on January 16, 2021

An extremely useful, musical sounding eq of the highest quality. They're customer support is fantastic as well.

By Justin L on June 18, 2020

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How do you rate this product?
I would like to thank VK for the wonderful sales assistance, service and prices. This was my first purchase with you and it won't be my last. I only wish I'd discovered you years ago!
Matthew R.
I had two Grammy wins this year - Ray LaMontagne & Carolina Chocolate Drops. Both made with help from Vintage King!
Ryan F.
In almost 20 years in Pro audio buying, never did I receive a unit so well packed and exactly as described. Works flawlessly. The whole process has been so smooth. I will never hesitate to do business with you guys in the future and will recommend you to everyone I know.
Martin C.
This was my first experience buying something from Vintage King (although I surf the "used" categories on the website frequently!), and, despite being on the other side of the world, I had absolutely no trouble and everything went very smoothly.
Phil T.
The speed of delivery exceeded my expectations! I was VERY pleased that my shipment arrived in time for a scheduled vocal tracking session. The packing insured that my order arrived safely. And the sales staff responded quickly to questions regarding the product.
James P.
Thank you so much! Vintage King has been so fair and easy to work with. I can't thank you enough. It feels good to trust such a hefty purchase to folks who are so helpful and knowledgeable. Vintage King is a sound designers dream store.
Noa L.
You guys have excellent customer service and I am excited about the next upgrade I complete on my fifth recording facility. I've been in the studio business for forty plus years. The salesman I worked with at Vintage King was the best of the best. You all rock!
Robby T.
I would recommend Vintage King to any one looking for top-class gear, unbeatable customer service and the best prices on the map!
Jake D.
My experience with Vintage King was excellent. The order was here fast considering it was out of stock. The sales person had SKB send it to me directly and I couldn't have been more pleased.
Michael D.
From the minute I placed my order I was kept well-informed through each step in your process. Even though I was buying a comparatively modest piece of gear, your attention to detail made me feel like I was purchasing a six-figure mixing desk.
Thomas W.
I am a new customer of yours. You guys provided me the absolute best deals in ordering all the equipment to power my brand new recording studio. Your customer service is amazing and i will always deal with you from here on out.
Rob M.
Thanks for your great service and getting this out today. You guys really are the Kings!
Alan B.
Better than expected! Truly impeccable service. Your team was professional, knowledgeable, provided speedy delivery above and beyond standard. Vintage King Audio is definitely my go to for all of my audio and information needs.
James O.