NeumannU 47 fet i
microphone
New retail price (MSRP)
$4,395
Used market: $3,430*
Specifications
0 of 9 values have a recorded source- Connectors
- XLR 3-Pin Male·
- Built-in converter
- no·
- Self-noise
- 18·
- Transducer
- Condenser True·
- Sensitivity
- -42·
- Output impedance
- 150·
- Phantom power required
- yes·
- Connection
- XLR-Only·
- Indexable Locales
- ·
Expert Audio Engineering Commentary
Tonal profile
The FET remake of the U 47 name: cardioid only, a large K47 capsule behind a transformer, and a frequency range Neumann itself quotes as 40 Hz to 16 kHz - narrower than anything else in the current line. It is a loud-source microphone: kick drum, guitar cabinet, brass.
Gain staging
-42 dBV/Pa with 18 dB-A of self-noise is the quietest-output, noisiest large diaphragm Neumann sells. On a kick drum that is irrelevant; on a voice at a metre it costs you real preamp gain.
What the datasheet actually says
Quoted verbatim from the manufacturer’s own page, with the date we checked it. We state what is printed, not what anyone intended by it.
«Maximum SPL for THD 0.5% 137 dB / Maximum output voltage -3.3 dBu»
The sign does not survive the arithmetic. 8 mV/Pa driven to 137 dB SPL (43 dB above 1 Pa) is 1.13 V, which is +3.3 dBu; the table prints -3.3 dBu, i.e. 0.53 V. On the neighbouring U 67 sheet the same two rows do agree (-9.8 dBu against 24 mV/Pa at 114 dB SPL), so the identity is Neumann's own.
checked 8/6/2026* Estimated with the depreciation fallback (~78% retained value).