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$ 474 .05
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API 500-8B 8-Channel 500 Series Lunchbox Rack

Robust and portable 500 Series lunchbox rack with channel-linking feature and external PSU - fits 8 500 Series modules
MFR# 8-Slot Lunchbox

Product Description

The new API 500-8B 8-Channel 500 Series lunchbox includes all of the features that have made the 500-6B so well regarded in the industry, including DB-25 (D-Sub) connectors for easy I/O, universal power supply (100 or 250V, 47 to 63Hz), phantom power, and easy rack-mounting with optional rack-ear kit. Built for robust performance, with new toggle switches for channel linking.

The lunchbox gives an engineer the flexibility to bring along specialized EQ effects to any situation: 550A, 550b or 560. The lunchbox is self-powered. API makes several modules for the 500-6B, including the 512c Mic Preamplifier, the 525 Compressor, the 527 Compressor, the 550A 3-band EQ, the 550b 4-band EQ and the 560 Graphic EQ. Combinations of these modules make perfect stereo recording packages (two 512cs and two 550bs) or vocalist's box (one 512c, two EQs and one 527).

Other uses for the versatile lunchbox include:

  • Multi-track recording of acoustic and electronic audio sources
  • Sound reinforcement systems and recording to multi-track formats
  • Multiple facility projects where portability is a plus
  • Broadcast and audio for video production
  • Custom channel input strips


  • 8 slots with 250mA of power per slot
  • Full compatibility with API 500 Series and VPR-approved modules
  • DB25 connectivity on the rear panel
  • Phantom power
  • Optional rack ears available for rack mounting
  • Toggle switches for channel linking
  • Rubber feet & carrying handle for portability
  • Rugged steel chassis
  • Perfect for remote recording of Vocalist and Instruments
  • Includes external power supply

Note: The older 560A equalizer may use pin 15 for a "direct output" and must be disabled on the 560A circuit board edge connector by cutting a trace. This will eliminate 48 volts from damaging the 560A series equalizers.

Product Specifications

Condition New
Channels 8-Channel
Chassis Desktop
Module Type 500 Series
Module Slot Count 8 Slots
Input Connectors Analog DB25
Output Connectors Analog DB25

Product Reviews

4.8 out of 5 stars.
Review Count (10)

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Great unit at a decent price point! I own 3 of these 500-8B and they work great.

By Stephane D on February 1, 2023

Love this rack. Perfect for my studio set-up, really like the D-sub connectors for I/O, and the linking switches. And the price is very reasonable. Great service as always.

By Eric F on March 15, 2021

Api is the bomb

By JohnZona 8 on September 30, 2020

I bought this wondering why it was one of the cheapest options out there. The build is fantastic, the power is plenty, the concept is solid, API is great gear. But I ended up hating the DB500-only connection and the support to use this in my workflow was practically nonexistent. XLR In/Out is far simpler and much better for me to get up & running quickly. This is not worth saving the few hundred, so I returned it & went with the Neve10-slot. Perfect simplicity.

By John G on April 3, 2020

Simply DB25

By Tracy H on November 16, 2019

Must have for the studio

By Brandon B on November 14, 2019

This thing is totally cool. It's easy to use, has plenty of power, has the right number of slots and the routing switches simplify hook up. It does what it's supposed to do simply and at a great price. When I fill this one up I'm sure I'll get another one.

By Stephen S on September 15, 2019

Delivered quite quickly as described only issue I had was with more documentation on the API product. Thanks

By John F on May 1, 2019

Great lunchbox

By Stuart H on November 20, 2018

Solid lunchbox that does the job. I like that it has 8 slots as there are no other ones on the market in that configuration. It matches well with the 8 I/O of my UA Apollo 8p. I filled mine with a combo of Shadow Hills Quad Gamas, Neve 1073LB's, and Burl B1D's and could not be happier for tracking drums, vocals, strings, synths, you name it.

By John Warner on May 5, 2017

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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.