Suggestion on 2 or 4 ch portable (battery-power option) mic pre?

Hi,
I am looking for four channels of mic pres to round out my 16-channel portable setup. My goal is to be able to run the whole system, computer, cards, and audio, from battery power. Right now I have:
Powerbook G4 1.67
MOTU Traveler
RME Octamic-D
I would like to have 2 or 4 more pres that sound, if not excellent, then at least unique. Any suggestions people?
PowerBook G4 1.67 2GB Mac OS X (10.4.5) Logic 7.2 / MOTU Traveler

i wasin your situation 3 weex ago...
I got the Mobile I/O from Metric Halo recommended and borrowed it along with a mini me an Motu Traveler and an M audio....Some said the Mbox 2 was great but i did not bother to checkk it...
I wasnt really happy with any of the above mentioned aside from the mini me from apogee - but the integration in Logic thru the funny core audio was not smooth - so I deceided to give the mbox 2 a shot - it blew me right away - the preamps are fabulous - i must say that i had not counted on the quality igot thru the mbox2 but now it's sitting here with me and a sure sm 58 is hooked into it and it sounds amazing - it powers right off of your Powerbook with usb one - if u get make sure u use the left side of the powerbook to power the mbox2....
It has 2 analog ins (mixpre or line) phantom power and 2 SPDIF inputs which u can ride alongside the analog ins....
All for 444$ - protools 7.1 LE included...
This would be my recommendation - bar none

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/etc/gdm/Xsession: Beginning session setup...
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GNOME_KEYRING_CONTROL=/tmp/keyring-yX87BA
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(nautilus:923): NA-core-DEBUG: na_settings_class_init: klass=0x260af90
(nautilus:923): NA-core-DEBUG: na_settings_instance_init: instance=0x7ff0f8001720 (NASettings), klass=0x260af90
(nautilus:923): NA-core-DEBUG: na_settings_new: reading mandatory configuration
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(nautilus:923): NA-core-DEBUG: na_core_utils_dir_list_perms: dir=/home/theo/.config/nautilus-actions, message=na_settings_new, err=
(nautilus:923): NA-core-DEBUG: na_settings_new: reading user configuration
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File:'/home/theo/.local/share/tracker/tracker-store.log'
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Gtk-Message: The filename "[\345\244\251\344\275\277\345\212\250\346\274\253][110921]Kalafina - 3rd Album\343\200\214After Eden\343\200\215[320K].rar" couldn't be converted to UTF-8. (try setting the environment variable G_FILENAME_ENCODING): Invalid byte sequence in conversion input
Gtk-Message: The filename "[\345\244\251\344\275\277\345\212\250\346\274\253][110921]Kalafina - 3rd Album\343\200\214After Eden\343\200\215[320K].rar" couldn't be converted to UTF-8. (try setting the environment variable G_FILENAME_ENCODING): Invalid byte sequence in conversion input
(tracker-miner-fs:905): Tracker-WARNING **: Couldn't properly parse desktop file 'file:///usr/share/applications/brasero-nautilus.desktop': 'Desktop file doesn't contain type'
(tracker-miner-fs:905): Tracker-CRITICAL **: Empty locale file found at '/home/theo/.cache/tracker/miner-applications-locale.txt'
[1331940708,000,xklavier.c:xkl_engine_start_listen/] The backend does not require manual layout management - but it is provided by the application
=== Updating for primary Configuration ===
Clone: false
Output: Unknown attached to default
status: on
width: 1600
height: 900
rate: 104
primary: true
position: 0 0
(gnome-settings-daemon:856): libcolord-CRITICAL **: cd_device_get_id: assertion `CD_IS_DEVICE (device)' failed
(gnome-settings-daemon:856): color-plugin-WARNING **: not found device (null): Failed to FindDeviceByProperty: GDBus.Error:org.freedesktop.ColorManager.Failed: property match 'XRANDR_name'='default' does not exist
(gnome-settings-daemon:856): libcolord-CRITICAL **: cd_device_get_id: assertion `CD_IS_DEVICE (device)' failed
(gnome-settings-daemon:856): color-plugin-WARNING **: not found device (null): Failed to FindDeviceByProperty: GDBus.Error:org.freedesktop.ColorManager.Failed: property match 'XRANDR_name'='default' does not exist
(gnome-settings-daemon:856): libcolord-CRITICAL **: cd_device_get_id: assertion `CD_IS_DEVICE (device)' failed
(gnome-settings-daemon:856): color-plugin-WARNING **: not found device (null): Failed to FindDeviceByProperty: GDBus.Error:org.freedesktop.ColorManager.Failed: property match 'XRANDR_name'='default' does not exist
(gnome-settings-daemon:856): libcolord-CRITICAL **: cd_device_get_id: assertion `CD_IS_DEVICE (device)' failed
(gnome-settings-daemon:856): color-plugin-WARNING **: not found device (null): Failed to FindDeviceByProperty: GDBus.Error:org.freedesktop.ColorManager.Failed: property match 'XRANDR_name'='default' does not exist
ACR (Component): component init
Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x260008d (Nightly)
Window manager warning: meta_window_activate called by a pager with a 0 timestamp; the pager needs to be fixed.
I'm not sure if tracker could be causing the problem, or if it is something else.
I have the discrete graphics card enabled - NVIDIA Corporation GT218 [NVS 3100M]

It might not necessarily be caused by loss of power, but maybe if the battery power dips? Or if the battery gets too hot and something overheats, then that could cause freezing. I'm only going by what I've found on google.
Anyway, I found another thread (not sure why I didn't see it before) that suggests that it might be caused by bluetooth (bluez specifically) https://bbs.archlinux.org/viewtopic.php?id=115814, but it seems like that was more of a locking up problem than freezing completely. I've remove bluez and disabled bluetooth for now anyway (unfortunately can't remove it completely because I'm on Gnome Shell) and I'll run on battery for a good while and see if things freeze again.
EDIT: also followed this - https://wiki.archlinux.org/index.php/HDAPS in case the problem was caused by the hard drive being moved about.
Last edited by themusicalduck (2012-03-28 22:11:21)

Suggestion on 2 or 4 ch portable (battery-power option) mic pre?

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