Variable Bass Reflex tuning port Tubes

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Public Domain Photos – Bass reflex tuning port / 66 cm diameter Trumpet bass reflex vent


Free Stock images – Variable bass reflex tube made of black ABS

The main picture was taken with a Canon brand camera, model Canon EOS 500D on Saturday 22nd December 2012 by the Emilian Robert Vicol photographer.

As basic settings, an exposure time of 1/60 (16.667ms ) was used with aperture f/4.5 and the ISO Speed of the camera was 400. Actual focal length of the lens was 29/1 (29mm) with EF-S18-55mm f/3.5-5.6 IS lens model (range).

The actual file size is 4.75 MBytes, resolution is 4702px on the horizontal and 3089px on the vertically and the original (or modified) file name is Variable-Bass-Reflex-tuning-port-Tubes__IMG_4702_cr.jpg (media type is image/jpeg).

The photo original orientation was unknown with an X Resolution DPI equal to 72/1 and Y-Resolution DPI equal to 72/1.
Other camera settings (and APEX value) were the lens aperture 286720/65536, status of flash equal with 9, shutter speed 393216/65536 and brightness value unknown.

Note: It looks like the current size of the image was changed, the original version had the 4752 x 3168 resolution but the original orientation of the photo remained the same.

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