Spider for Perception 100, 120, 200, 220, 400, 420, 820.Matching Products AKG P120Condenser microphone with 2/3-inch diaphragm. Due to the small diaphragm, the AKG P120 has excellent impulse response and detailed resolution. AKG P220Large-diaphragm microphone with cardioid characteristic. The switchable pre-attenuation makes the P220 suitable for recording very loud instruments. AKG P420Large diaphragm microphone with 3 switchable polar patterns. Its warm sound makes it ideal for stringed instruments and singers with thin voices. AKG P820 TubeLarge-diaphragm tube microphone with nine switchable polar patterns. The tube provides harmonic harmonics that produce a full sound.