![STC 4021A Antique Ball & Biscuit 1930's Microphone for Sale in BLACKBURN, Victoria Classified | AustraliaListed.com STC 4021A Antique Ball & Biscuit 1930's Microphone for Sale in BLACKBURN, Victoria Classified | AustraliaListed.com](https://images.australialisted.com/nlarge/stc_4021a_antique_ball_biscuit_1930_s_microphone_21094034.jpg)
STC 4021A Antique Ball & Biscuit 1930's Microphone for Sale in BLACKBURN, Victoria Classified | AustraliaListed.com
![STC Coles 4021 'Ball & Biscuit' - Phil Collins / Jack White / White Strips Mic - Omni Dynamic | Reverb STC Coles 4021 'Ball & Biscuit' - Phil Collins / Jack White / White Strips Mic - Omni Dynamic | Reverb](https://images.reverb.com/image/upload/s--k9-MyTpY--/f_auto,t_large/v1567965489/qmnir6grblajrkwwhbsu.jpg)
STC Coles 4021 'Ball & Biscuit' - Phil Collins / Jack White / White Strips Mic - Omni Dynamic | Reverb
![4069A Microphone Plug For A 630A or STC 4021 Apple and Biscuit Microph – Mullard Antiques and Collectibles 4069A Microphone Plug For A 630A or STC 4021 Apple and Biscuit Microph – Mullard Antiques and Collectibles](https://mullardantiques.co.uk/cdn/shop/products/SCREENSHOT2019-12-16AT17.19.35.jpg?v=1597331935&width=1445)
4069A Microphone Plug For A 630A or STC 4021 Apple and Biscuit Microph – Mullard Antiques and Collectibles
![Biscuits and secret messages: The intriguing history of WW2 BBC technology - National Science and Media Museum blog Biscuits and secret messages: The intriguing history of WW2 BBC technology - National Science and Media Museum blog](https://blog.scienceandmediamuseum.org.uk/wp-content/uploads/2015/07/stc-4021-apple-and-biscuit-547.jpg)
Biscuits and secret messages: The intriguing history of WW2 BBC technology - National Science and Media Museum blog
![Like Townhouse Studios I Made An Audio Mistake And It Sounds Amazing - Have You Done A Similar Thing? | Production Expert Like Townhouse Studios I Made An Audio Mistake And It Sounds Amazing - Have You Done A Similar Thing? | Production Expert](https://images.squarespace-cdn.com/content/v1/54d696e5e4b05ca7b54cff5c/1556047971900-HHLTPCI0BO34D8RSNUIX/JZ-Vintage-V67-As-A-Room-Mic.jpg)
Like Townhouse Studios I Made An Audio Mistake And It Sounds Amazing - Have You Done A Similar Thing? | Production Expert
![Microphone design STC 4021 apple and biscuit omnidirectional mic circa 1935. Photo taken at the BBC archive a cou… | Vintage microphone, Vintage ads, Sound engineer Microphone design STC 4021 apple and biscuit omnidirectional mic circa 1935. Photo taken at the BBC archive a cou… | Vintage microphone, Vintage ads, Sound engineer](https://i.pinimg.com/1200x/87/cc/cd/87cccd012fb709582e2d885d1c604e82.jpg)