Here's a near mint condition dbx 286A Mic Preamp/Processor. From a smoke free studio. It has seen very little use and works perfectly.

This is the ultimate all-in-one solution for professional and home studio applications. Whether you're recording vocals, broadcasting, or streaming, this versatile preamp/processor delivers pristine sound quality and dynamic control, making it an essential addition to your setup.
The dbx 286A is renowned for its robust build quality and reliable performance, trusted by audio professionals around the world. Its comprehensive feature set makes it a versatile tool for any audio application, from podcasting and broadcasting to professional music production.
Key Features:

• Studio-Quality Mic Preamp: Experience exceptional clarity and detail with the high-gain, low-noise mic preamp, ensuring your voice or instrument shines in every recording.
• Full-Featured Compressor: Smooth out dynamic range and add punch to your audio with the integrated compressor, perfect for maintaining consistent levels.
• De-Esser: Tame sibilance and harsh high frequencies with the precise de-esser, ensuring clear and professional vocals.
• Enhancer: Add presence and sparkle to your audio with the enhancer, bringing out the best in your sound.
• Expander/Gate: Reduce background noise and eliminate unwanted sounds with the expander/gate, perfect for creating clean and professional recordings.
• Customizable Processing: Tailor your sound with independent controls for each processing section, giving you full control over your audio.
• Easy Integration: Connect seamlessly with your existing setup using the XLR mic input and TRS line input/output.