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[gear] preamps for field use

Subject: [gear] preamps for field use
From: "oryoki2000" oryoki2000
Date: Wed Sep 6, 2006 2:42 pm (PDT)
Here's a list of microphone preamps I think are suitable for field
use.  I included devices that have two mic inputs, run on internal
batteries, and fit in a coat pocket.

I found 7 that have two mic inputs, and analog output.
Sorted by price, they are:
Chris Church ST-20B ($100)
Sound Professionals SP-Preamp ($180)
Reactive Sounds SPA-2 Boost Box ($200)
Felmicamps Battery Preamp ($200)
Sound Devices MP-1 ($300 one channel, so $600 for a pair)
Aerco MP2 ($750)
Sonosax SX-M2 ($1100)

Two more preamps had digital output only.
Denecke AD-20 ($325)
Core Sound Mic2496 ($550)

Detailed information about the preamps is attached below.

I'm sure I missed some.  Please tell me what preamp you use in the
field (or would like to use some day!)

Please note: If you forward this information to others, please
indicate you found it on the Naturerecordists group at Yahoo.

--oryoki

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Analog line-level output


Manufacturer...Chris Church
Product...ST-20B preamp
typical price...$100
URL...http://stores.ebay.ca/CHURCH-AUDIO
# of channels...2
A/D conversion...no
input...3.5mm stereo miniplug
mic power...9V PIP
output...3.5mm stereo miniplug
preamp gain...30dB
noise rating...-125dB
power source...9V battery
dimensions...3-1/2 x 2-1/2 x 1 inch
weight... ??
comment...other models with mini-XLR, single mic input, etc


Manufacturer...Sound Professionals
Product...SP-Preamp
typical price...$180
URL...http://www.soundprofessionals.com/cgi-bin/gold/item/SP-PREAMP
# of channels...2
A/D conversion...no
input...3.5mm stereo minijack
mic power...9V PIP
output...3.5mm stereo miniplug on short cable
preamp gain...50 dB
noise rating...-115 dBu
power source...9V battery
dimensions...3 x 2-1/2 x 1 inches
weight... ??
comment...also available in one-channel version, $100


Manufacturer...Reactive Sounds
Product...SPA-2 Boost Box
typical price...$200
URL...http://reactivesounds.com/spa2.php
# of channels...2
A/D conversion...no
input...3.5mm stereo minijack
mic power...yes PIP
output...3.5mm plug on short cable
preamp gain...36.5 dB
noise rating...-92 dBv
power source...9V battery
dimensions...4.75" X .9" X 2.5"
weight...??
comment...


Manufacturer...Felmicamps
Product...Battery Preamp
typical price...$200
URL...www.felmicamps.co.uk/products/felbattpreamp.html
# of channels...2
A/D conversion...no
input...3.5mm stereo minijack
mic power...yes PIP
output...3.5mm plug
preamp gain...55 dB
noise rating...-120dB
power source...9V battery
dimensions...65 x 103 x 27 mm
dimensions...2.6 x 4.1 x 1.1 inches
weight...
comment...available late 2006


Manufacturer...Sound Devices
Product...MP-1
typical price...$300 ($600 for a pair)
URL...http://www.sounddevices.com/products/mp1master.htm
# of channels...1
A/D conversion...no
input...XLR
mic power...12V or 48V phantom power
output...line level, XLR
preamp gain...66 dB
noise rating...-126 dBu
power source...2 AA batteries
dimensions...43 mm x 94 mm x 140 mm
dimensions...1.7" x 3.7" x 5.5"
weight...0.56 kg  1.24 lbs
comment...formerly available as 2 channel MP-2


Manufacturer...Aerco
Product...MP2
typical price...$750
URL...www.aerco.net/mp2.html
# of channels...2
A/D conversion...no
input...2 XLR
mic power...48v phantom
output...line level, 2 RCA and 1 stereo miniplug
preamp gain...50 dB
noise rating...-127 dBm
power source...3 9V batteries
dimensions... 4 x 3 x 1.5 inches
weight...
comment...custom built, builder Jerry Chamkis is very open to your
requirements (e.g., 5 pin mini-XLR for input and output)
more at http://taperssection.com/index.php?topic=3D56579.45


Manufacturer...Sonosax
Product...SX-M2
typical price...$1100
URL...http://www.sonosax.ch/SXM2/sxm2.html
# of channels...2
A/D conversion...no
input...XLR
mic power...48V phantom power
output...XLR, 3.5mm stereo minijack
preamp gain...76 dB
noise rating...-129 dB
power source...2 9V battereis
dimensions...5.75 x 3.4 x 1.6 inches
dimensions...146 x 85 x 40mm
weight...435 g,  0.95 lb
comment...



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Digital output only


Manufacturer...Denecke
Product...AD-20
typical price...$325
URL...http://www.denecke.com/prod04.htm
# of channels...2
A/D conversion...20/44.1
input...XLR balanced
mic power...no
output...SPDIF optical and coax
preamp gain...45dB
noise rating...-125dB
power source...9V battery
dimensions...3" x 5.75" x 1.25"
weight...approx 16 oz
comment...


Manufacturer...Core Sound=09
Product...Mic2496
typical price...$550
URL...http://www.core-sound.com/Mic2496/2.php
# of channels...2
A/D conversion...24/96
input...5 pin mini-XLR
mic power...9V or 48V phantom power
output...SPDIF coax and optical
preamp gain...53 dB
noise rating...-135 dB
power source...9V battery
dimensions...5-1/16" x 3" x 1-3/8"
weight...278g  9.75 oz
comment...











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