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Bumblebee Pro is a boutique R&D and production company, a group of DIY Audio enthusiasts founded and lead by Artur Fisher, dedicated to DIY Pro Audio Equipment and DIY Ribbon Microphones in particular. We design and manufacture the ribbon microphone parts and full kits, as well as other recording equipment DIY kits for pro audio DIY community (formerly under DIY Audio Components brand name) since 2010.

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Bumblebee Gear in Action

Acoustic guitar recorded with a Blumlein pair of RM-6 DIY ribbon mics with standard 1.8u ribbons. Preamps – a pair of Grace Design M101.

Experimental recording – all the tracks in this pop song (except keyboards) were recorded with RM-5 DIY ribbon mics with standard 2.5u ribbons.

R&D Diaries and Other DIY Pro Audio Related Notes

The latest Artur Fisher’s blog posts. The thoughts about recording equipment and engineering, tips for beginners, DIY pro audio ideas and projects, diaries of our R&D works.

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The Renovation of Our New Work Space is Progressing!

As I’ve posted before, we have moved to a new location in the middle of June. The new home of Bumblebee is an old factory building. After a bit of research it appeared to be built in 1886. I might do a separate post about its history later. The building was not used for almost …

Bumblebee Pro Artur Fisher, loading the truck

We Are Moving to a New Location

Some time ago I’ve realized that we have outgrown our existing business space that I have been renting for the last five years, nearly since the beginning of my ribbon microphone manufacturing adventure. It took some weeks to go through the offers and visit different locations until I’ve finally found the one I instantly fell …

Bumblebee Active DI Box Top View

What is a DI Box and How It Works

When I first added the Bb-D1 Active DI box DIY kit in our product range, I quickly discovered that the general idea of this device often causes some confusion. Especially to people who haven’t been recording bass guitars or haven’t performed on stage a lot. I’ve decided to write a short post in order to …

Discrete Op-Amp DI Jfet Direct Box with Output Transformer

Discrete Op-Amp Jfet Active DI Prototype

Discrete Op-Amp Active DI - the First Test Today we've tested a couple of newly assembled Active DI prototypes with practicing musicians and some curios listeners. This Active DI Box is a discrete op-amp based device with transformer-coupled output and Jfet input stage. We've started experimenting with the idea few months ago and development took some time. [...]
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