Sennheiser SP2265FC - Manual (Page 10)

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top "umbrella" diaphragm
(seals the capsule against moisture)
bottom (active) diaphragm
HS 2
The HS 2 is a condenser omni-directional headmic fitted with a steel wire
cable and a special connector. It fulfils the most stringent demands on sound
quality and is extremely rugged. The HS 2 is suitable for both vocal and
speech applications in all areas of live work.
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HS 2 (anthracite): Cat. No. 05336
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HS 2-1 (beige): Cat. No. 05337
Features
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The frequency response curve has been optimised for close-miking. The
treble response can be adapted to different requirements via accessories.
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Largely insensitive to penetration of sweat due to the patented tandem
diaphragm. This design comprises two individual diaphragms installed
on both sides of the diaphragm ring. The bottom diaphragm is electrically
active and forms the capacitive electroacoustic transducer together with
the back plate. The top diaphragm is passive and seals the microphone
against sweat. Robust sealing of the housing is ensured by a silicone ring.
HS2_27_9_02 02.10.2002, 11:44 Uhr 10