Re: [LAU] Focusrite Scarlett 18i8

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To: Fons Adriaensen <fons@...>
Cc: Linux Audio Users <linux-audio-user@...>
Date: Wednesday, January 8, 2014 - 4:06 am

On 01/07/2014 04:10 PM, Fons Adriaensen wrote:

Hi Fons,

I can't confirm neither directly. But I think it works these days:

http://focusritedevelopmentteam.wordpress.com/2012/04/23/linux-and-focus...

I have a Focusrite 18i6. It required a quirks-entry in the
alsa-kernel-module. That went upstream in linux-3.8. Note that the
mixer-interface is proprietary. I reverse engineered it a year ago and
wrote the driver for it, but then lost interest - others are carrying on
that work now (see above forum).

The reason I lost interest is that I think the device is crap.

The volume dials don't latch. I set a gain on the Focusrite 18i6 and a
minute later it's off by +-1dB.

Compared to the other two USB audio-device that I have, the [preamps of
the] Focursite 18i6 is the noisiest. Measured with a 200 Ohm
termination and jnoisemeter: ~-72dBFS (Flat, RMS) -- the Edirol UA-25 is
at -81dBFS and the Presonus 1818VSL at -84dBFS.

That make we wonder which award those 'award winning' preamps of
Focusrite actually won :)

It has gain labels from 0..10 -= other comparably priced devices have
latched dials properly labeled and calibrated with dB.

I don't know if the same applies to the 18i8 -- Alexandre Prokoudine
reported similar findings with a Focusrite 2i4, though.

best,
robin
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Messages in current thread:
[LAU] Focusrite Scarlett 18i8, Fons Adriaensen, (Tue Jan 7, 3:10 pm)
Re: [LAU] Focusrite Scarlett 18i8, Robin Gareus, (Wed Jan 8, 4:06 am)
Re: [LAU] Focusrite Scarlett 18i8, Fons Adriaensen, (Wed Jan 8, 1:41 pm)
Re: [LAU] Focusrite Scarlett 18i8, Robin Gareus, (Wed Jan 8, 2:52 pm)
Re: [LAU] Focusrite Scarlett 18i8, Fons Adriaensen, (Wed Jan 8, 3:43 pm)
Re: [LAU] Focusrite Scarlett 18i8, Robin Gareus, (Wed Jan 8, 4:04 pm)
Re: [LAU] Focusrite Scarlett 18i8, Fons Adriaensen, (Wed Jan 8, 10:21 pm)
Re: [LAU] Focusrite Scarlett 18i8, Fons Adriaensen, (Wed Jan 8, 4:24 pm)
Re: [LAU] Focusrite Scarlett 18i8, Jeremy Jongepier, (Wed Jan 8, 8:40 am)
Re: [LAU] Focusrite Scarlett 18i8, James Stone, (Fri Jan 10, 8:42 pm)
Re: [LAU] Focusrite Scarlett 18i8, Fons Adriaensen, (Fri Jan 10, 10:20 pm)
Re: [LAU] Focusrite Scarlett 18i8, James Stone, (Fri Jan 10, 10:48 pm)
Re: [LAU] Focusrite Scarlett 18i8, Fons Adriaensen, (Fri Jan 10, 11:20 pm)
Re: [LAU] Focusrite Scarlett 18i8, James Stone, (Sat Jan 11, 10:20 am)
Re: [LAU] Focusrite Scarlett 18i8, Tim Goetze, (Wed Jan 8, 9:37 am)
Re: [LAU] Focusrite Scarlett 18i8, James Stone, (Thu Jan 9, 9:23 pm)
Re: [LAU] Focusrite 2i4, Tim Goetze, (Fri Jan 10, 10:33 am)
Re: [LAU] Focusrite 2i4, James Stone, (Fri Jan 10, 10:40 am)
Re: [LAU] Focusrite 2i4, Tim Goetze, (Mon Jan 27, 2:34 pm)
Re: [LAU] Focusrite 2i4, James Stone, (Mon Jan 27, 2:44 pm)
Re: [LAU] Focusrite 2i4, Tim Goetze, (Fri Jan 10, 11:33 am)
Re: [LAU] Focusrite 2i4, Kees van Veen, (Fri Jan 10, 4:30 pm)
Re: [LAU] Focusrite 2i4, Tim Goetze, (Mon Jan 13, 8:58 am)
Re: [LAU] Focusrite 2i4, James Stone, (Mon Jan 13, 10:49 am)
Re: [LAU] Focusrite 2i4, Tim Goetze, (Mon Jan 13, 12:25 pm)
Re: [LAU] Focusrite 2i4, James Stone, (Sat Jan 11, 7:52 pm)
Re: [LAU] Focusrite 2i4, Jeremy Jongepier, (Sat Jan 11, 10:22 pm)
Re: [LAU] Focusrite 2i4, Kees van Veen, (Sun Jan 12, 9:19 pm)
Re: [LAU] Focusrite Scarlett 18i8, James Stone, (Wed Jan 8, 10:55 am)
Re: [LAU] Focusrite 2i4, Tim Goetze, (Wed Jan 8, 12:07 pm)