MKH70 vs MKH8070

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I’m testing out a Sennhesier MKH8070 long shotgun mic this week – above is my MKH70 top, with the 8070 below… The 8070 is actually longer by about 6cm – 8070 = 46cm vs MKH70 = 41cm, although the 8070 is slightly smaller in diameter and is noticeably heavier than the MKH70… I’ll try & do a side by side comparison recording using my other MKH70, just need to work out how to fit the 8070 into my MKH70s Rycote suspension first!

Why such a long shotgun microphone? It seems it is the only way to achieve enhanced isolation and acoustic ‘reach’ – presumably by using some kind of voodoo science… While a Telinga dish provides directional gain, it doesn’t offer much side rejection and if you want to isolate a sound from its environment, side rejection is vitally important…

From the spec PDF:

The microphone operates on the RF principle that has been used by Sennheiser for more than 50 years, now brought to highest level of perfection. Among the many advantages of this principle are an extremely low inherent self-noise, the capa- bility to handle high sound pressure levels without distortion and a high resistance to adverse climatic conditions.

• Lobar pick-up pattern
• Very natural sound
• Off-axis sound is attenuated without colorations while a uniform sound structure is maintained
• Exceptionally low inherent self-noise prevents masking of delicate sound structures
• Symmetrical transducer technology ensures extremely low distortion
• Transformerless and fully floating balanced output: no coupling of spurious sig- nals, minimal distortion
• High output signal voltage ensures interference-free signal paths
• Rugged metal housing with non-reflective Nextel coating
• Extremely weather-proof due to high-frequency circuit

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