Sennheiser SH350 HMEC 355-C, Hmdc, Technical data, Headphones, Microphone incl. preamplifier

Technical data

Headphones

Transducer principle

Ear coupling

Frequency response

Nominal impedance active/passive Attenuation (active and passive) Max. sound pressure level Contact pressure

Microphone incl. preamplifier

Transducer principle

Frequency response

Sensitivity

Max. sound pressure level Min. terminating impedance Output voltage

Supply voltage

HMEC 355	HMEC 355-C	HMEC 372	HMDC 372
dynamic
circumaural, closed
45–15,000 Hz
300/150 Ω, mono			50/35 Ω, mono
> 25–40 dB
120 dB (±5 %)
approx. 10 N
pre-polarized condenser mic capsule, noise-compensated, MKE 45-1			dynamic mic capsule,
			noise-compensated,
			M-87/AIC
300–5,000 Hz			500–4,000 Hz
–			1.8–4 µV / 74 dB at 5 Ω
120 dB			–
150 Ω			–
400 mV ± 3 dB at 114 dB (as per RTCA/DO 214)			–
typ. 16 V DC (8–16 V DC, approx. 8–25 mA, as per RTCA/DO 214)			–

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