Make Noise Pro Audio LTD - AKG C451E / CK1 - £240 each We have 2 lovely 451s up for grabs. Excellent condition for their age. 70s most likely and they come
AKG CK1 Capsule
Vinage AKG CK1 e/New Capsule Element -- Cardioid Mic Capsule for AKG CMS Series C451
AKG CK1 Capsule
AKG C451 E with CK1 capsule why so bright? - Gearspace.com