Mic Archive
Warm Audio WA-47
Photo: Warm Audio, from its manual, p. 1.

Warm Audio

Warm Audio WA-47

Large-diaphragm tube condenser (5751), 47-style capsule, transformer output, nine patterns switched on the power supply

Type
Condenser
Pattern
Omni / cardioid / figure-8
Self-noise
11 dB(A)
Max SPL
140 dB SPL
Impedance
200 Ω
Rated range
20 – 20k Hz

Frequency response

Angle
Distance

Frequency response: from the manual, p. 8. Graph without a title or measuring conditions, dB axis labelled "dB" from -20 to -70 with no reference; printed with "Cardioid at 1kHz" polar plot.

Dashed: outside the rated range, or simulated (other angles and distances). Hover or tap the graphs for values.

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All specs

From the manual
CapsuleWA-47-B-80v: custom reproduction of the 47-style (K47) capsule, made in Australia. "Custom true 47-style capsule - WA-47-B-80v"; "designed with the same hole pattern and frequency response", "manufactured by an Australian capsule supplier" (p. 6).p. 8
Self-noise11 dB(A); also 10 dB(A), "Equivalent Noise: 10dBA (IEC651)". "Self-noise: 11dBA"; the same list also gives "Equivalent Noise: 10dBA (IEC651)".
Max SPL140 dB SPL, < 0.5% THD. "Maximum SPL: 140dB (<0.5% THD)".
Signal-to-noise ratio82 dB, A-weighted. "S/N Ratio: 82dBA".
Dynamic range130 dB, A-weighted. "Dynamic range: 130dBA".
Output impedance200 ohm. "Output Impedance: 200 ohms".
Rated load impedance2000 ohm, minimum. "Rated Load Impedance: ≥2kOhms".
Rated frequency range20 Hz to 20 kHz. "Frequency Range: 20 Hz~20 kHz"; no tolerance given.
Poweringexternal grounded power supply (IEC inlet, 115/230 V selector). "External IEC grounded PSU"; voltage selector switch on the supply (p. 7).
Connector7-pin cable to the supply; XLR-3 male output on the supply. Features 6 and 7 (p. 7).p. 7
Dimensions254 × 60 mm. "Mic Diameter: 60mm"; "Mic Length: 254mm" (length × diameter).p. 8
Supplied accessoriespower supply; IEC power cable; shock mount; Gotham GAC-7 7-pin cable (5 m); wooden box. "Your WA-47 package includes; the WA-47 microphone, power supply, IEC power cable, shockmount, 7 pin Gotham Audio cable, and wood storage box." (p. 7)p. 7
Tube5751 (low gain, low noise)p. 8
TransformerTAB-Funkenwerk (AMI) USA, large core with imported German laminations
CableGotham Audio GAC-7, 7-pin, 5 m
CapacitorsPolystyrene coupling capacitor, WIMA film capacitors, Solen (French) output capacitorp. 6
Pattern switch9 positions on the power supply: cardioid, omni, figure-8 and 6 in-between patternsp. 7
Total weight9 lb (mic, power supply, shock mount, cables)p. 8

Documents

Copies kept by Mic Archive, because manufacturers move and drop their documents. Each is © Warm Audio, unchanged, with its original address.

Product page on warmaudio.com

Recommended for

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