forgot the link !
http://hydrophones.blogspot.com/
--- In "Jez" <> wrote:
>
> new addition to the specialist range of field recording equipment availab=
le from JrF
>
> parabolic reflector / dish
>
> =A350 inc p&p (uk only)
> (the size of these means posting abroad would be costly - do contact me f=
or a quote)
>
> Designed & built by a highly respected maker, now retired - LIMITED NUMBE=
R of his remaining stock left - grab one now !
>
>
>
>
> parabolic reflectors are an essential addition to the kit for any serious=
field / sound recordist. In essence the act as a natural 'zoom' for sound =
- noise-free amplification enabling the listener / recordist to isolate the=
sound of distant sound sources. Developed with the wildlife recordist in m=
ind these dishes have been used for years to record the sounds of birds for=
example & are used all over the world by film, tv & radio crews.
>
> The 'parabolic curve' is a specially designed shape, scientifically formu=
lated to provide natural amplification.
>
> I use one to not only capture natural sounds but to achieve interesting c=
reative effects in all kinds of environments - such as locating small sound=
s in busy locations.
>
> These particular reflectors are supplied ready for you to adapt for your =
own microphone option & without pre-cut holes. They have a focal point of 4=
inches (this is the point where the beams of sound hit the microphone caps=
ule) & are 23inches diameter, 7 inch depth. They were built by a respected =
sound recordist who has recently retired.
>
> Constructed from vacuum-formed ABS thermoplastic.
>
> For more information on the use of parabolic reflectors there is an artic=
le on the website for the Wildlife Sound Recording Society - click here to =
read.
>
> please note: these come as just the disc itself & one has to create / att=
ach ones own mic system (hence the lower cost). However a chap on one the r=
ecent courses I teach on came up with a really handy way to do this: basica=
lly it's an industry wide standard fitting for (wait for it) a toilet flush=
handle & when you mount one of those (complete with its handy collection o=
f washers & twist caps) as a handle on the dish the 'bolt' of the handle pr=
otrudes into the dish to a height of 4inch - which is the focal point of th=
e curve ! Then one can mount small microphones either onto that bolt or use=
it as a point at which to structure a further mic holder. I'm not sure if =
toilet handles are the same size in the rest of the world though ! (but I c=
ould always get one & supply it with the dish if not).
>
> reflectors will be sent in double-walled card boxes by standard parcel se=
rvice.
>
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