Microphone-Parts.com - What happens when you put an RK-87 capsule into an AKG Perception 100/200/220/420? You basically get the sound of the U87 Ai, although with better 20k response. No more 12kHz
AKG Perception 220 Condenser Cable Professional Microphone 885038021056 | eBay
AKG Perception 220 Professional Studio Microphone 885038021056 | eBay
AKG Perception 220 Review - Here's Why this microphone Is AWESOME
Amazon.com: AKG Pro Audio Pro Audio Perception 220 Professional Studio Microphone, Silver Blue : Musical Instruments