4098 Ceiling Mic

Directional pattern: Supercardioid

Principle of operation: Pressure gradient

Cartridge type: Pre-polarized condenser

Frequency response: 20 Hz – 20 kHz

Effective frequency range (±2 dB at 20 cm):

• MicroDot: 80 Hz – 15 kHz with 3 dB soft boost at 8–15 kHz

• XLR-3M: 100 Hz – 15 kHz with 3 dB soft boost at 8–15 kHz and permanent 2nd order low-cut filter at 80 Hz

Sensitivity (nominal): 16 mV/Pa; -36 dB re. 1 V/Pa (±3 dB at 1 kHz)

Equivalent noise level (A-weighted): Typ. 23 dB(A), max. 26 dB(A)

Equivalent noise level (ITU-R BS.468-4): Typ. 35 dB, max. 38 dB

Distortion (THD < 1%): 130 dB SPL RMS, 133 dB SPL peak

Dynamic range: Typ. 110 dB

Maximum SPL (THD 10%): 135 dB SPL peak

Rated output impedance:

• 30–40 Ω (MicroDot)

• 100 Ω (XLR connector or DAD6001-BC XLR adapter)

Minimum load impedance: 2 kΩ

Cable drive capability:

• MicroDot: up to 300 m (984 ft) with DAD6001-BC XLR adapter

• XLR-3M: up to 100 m (328 ft)

Output balance principle: Signal balanced with XLR connector or DAD6001-BC XLR adapter

Common mode rejection ratio (CMRR): > 60 dB (50 Hz – 15 kHz with DAD6001-BC XLR adapter)

Power supply:

• MicroDot: 5–10 V via DPA adapter (wireless systems) or P48 phantom power with DAD6001-BC XLR adapter

• XLR-3M: P48 phantom power

Current consumption: Typ. 1.5 mA (microphone), 3.5 mA with DAD6001-BC XLR adapter

Connector: MicroDot or XLR-3M

Weight:

• MicroDot versions vary by length: 12 g (16 cm) up to 67 g (122 cm)

• XLR versions vary by length: 75 g (20 cm) up to 127 g (122 cm)

Microphone diameter: 5.7 mm (0.22 in)

Microphone length: Available in multiple lengths (MicroDot and XLR variants: 16 cm to 122 cm)

Polarity: +V at MicroDot pin (and pin 2 on XLR) for positive sound pressure

Temperature range: -40°C to 45°C (-40°F to 113°F)

Relative humidity: Up to 90%