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Gear query: Sony ECM-719

Subject: Gear query: Sony ECM-719
From: "Romilly Hambling" <>
Date: Sat, 31 Dec 2005 08:44:18 -0000
Sony ECM-719 single-point stereo mic

This is probaby not a good time to post (and, oh dear, it's a gear
question), but does anyone have practical experience of the Sony
ECM-719 single-point stereo mic? They're for use with my
jukeboxes (Xclef HD-800), for monitoring rather than serious
recording - the setup goes in a plastic bag and is pinned to a
tree to give 4 hours or so of continuous recording. I'm looking for
something to replace my current pair of cheap stereo mics +
preamps which have given big problems due to picking up disk
noise - through the cable I think rather than audible mechanical
noise. This problem seems to be exacerbated by the long length
of the cable (6 ft to each mic plus 2 ft from the pre-amp),
meaning it has to be coiled, and if the coils are anywhere near
the recorder the interference can be ruinous when the machine's
writing to disk.

Reason for considering the ECM-719 is because it has a built-in
battery-power - the Xclef doesn't provide bias voltage at its line-in
and I don't want dangling dongles! I wish I could use a T-bone
mic for a nice rigid setup, but there don't seem to be any
integrally powered options there.

What would be useful to know is -
=95 does the 719 give reasonable overall results for the (very low)
price? And how's the self-noise?
=95 how does it fare in outdoor conditions (temperate zone)?
=95 has anyone had interference probems using it with a minidisk
or jukebox recorder?

Relevant specs (with padding heavily cut!) from Sonystyle uk for
anyone interested,

Specifications
=95 Stereo Unidirectional (Cardioid)
=95 Back Electret Condenser pickup capsules
=95 Oxygen-Free Copper Cable
=95 Power Supply via internal battery, or plug-in power with
compatible portable recorders
=95 Effective Output Level: -47dB, =B14dB (0dB =3D 1V/Pa, 1 kHz)
=95 Output Impedance: 1.5k ohms =B130%, unbalanced
=95 Frequency Response: 100 to 15,000 Hz
=95 Maximum Sound Pressure Input Level: >110dB SPL
=95 Dynamic Range: 80dB
=95 Dimensions (WxHxD): 1-1/2" x 1-5/8" x 1-1/4" (36 x 40 x 33mm)
=95 Weight: Approx. 2oz (40g)

A search in the NR archive turned up nothing on this mic btw.

For those wondering about my earlier posting on the AT 3032 vs
3031, Eric B has some simple test files I made which I hope he'll
be commenting on by and by (he's far more expert than me).
Also of a rather nice sounding Audix shotgun mic I was loaned at
the same time.

Happy New Year to all.

Romilly H





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