Rane AM 2 Data Sheet
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PRELIMINARY DATA SHEET
SHIPS APRIL 2010
AM 2
AUTOMIXER
MIC INPUTS
4
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General Description
e Rane AM 2 is both an 8 channel, gain-sharing automatic mic
mixer and simultaneously a Rane RAD. Use it as a standalone
mic-only mixer, add more gain-shared mics using up to seven additional AM 2 Automixers, and/or use the RAD Port to transport
the mic mix via a Rane Mongoose to a CobraNet network. If you
need manually mixed line audio sources, including USB Audio
I/O, see the Rane AM 1 Automixer.
Each of the eight XLR Mic Inputs oers front panel input
Level controls feeding a gain-sharing automatic mixer. Rear panel,
3-position selectors support dynamic mics (no phantom power),
condenser mics (48 V), or line input optimized for wireless receiver outputs (+10 dBu max). All Level controls come with front
panel signal and overload indicators.
e AM 2 is optimized for automixing speech. e mic inputs
have a xed 100 Hz to 7 kHz bandpass lter to provide the best
voice-only automatic mixing using the gain-sharing algorithm.
e XLR Main Output can be set to mic- or line-level to feed
a mic snake or a +20 dBu max balanced input. When an AM 2 is
used standalone, both the XLR Output and the RAD Port output
audio are aected by the front panel Output Level control. When
the AM 2’s Cascade Output feeds a downstream Rane AM 1 or
AM 2, the front panel Output Level control only aects the XLR
Output.
e USB port is solely used as a rmware update port if future
updates are needed.
e RAD Port sends the AM 2 Output mix to a Rane Mongoose for routing to output RADs and/or a CobraNet network.
Cascade IN accepts audio and data from an upstream AM 2’s
Cascade OUT. is adds eight more mic channels to the initial
AM2 creating a 16-channel gain-sharing automix. A maximum
AUDIO TX
AUDIO RX
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of eight AM 2s can be cascaded, oering up to 64 gain-shared
mics. If an AM 1 is included, it must be the nal device in the
chain of no more than eight. Simply connect Cascade OUT ports
to Cascade IN ports and the AM 1 RAD Port to the Mongoose.
Both the Cascade IN port and the Cascade OUT/RAD Port have
status indicators to aid setup and troubleshooting.
Rear panel Fault, Locate, USB and Power indicators inform
head-scratchers of device errors, the AM 2’s physical location,
positive USB audio device OS registration and AC power status.
Duplicate Locate and Power indicators on the front help installers physically locate and verify AC power to the AM 2.
Universal IEC power on the rear supports 100 to 240 VAC
and 50/60 Hz.
Features
INPUTS:
• Gain-Sharing Automatic Mic Mixing:
• 8 XLR Inputs with Level controls & Sig/OL indicators.
• Select Mic, Mic with 48V phantom, or Line level.
OUTPUT:
• XLR Main with Mic/Line switch, Level control & Sig/OL.
• Rane RAD and Cascade IN RJ-45 Ports:
• RAD Port sends Output to Mongoose for CobraNet transport.
• Cascade IN connects up to seven more Rane AM 2 Automixers.
AM
AUTOMIXER
Rear Panel
AM 2
MADE IN
U.S.A.
RANE CORP.
100-240V
THIS DEVICE COMPLIES
WITH PART 15 OF THE FCC
RULES FOR A CLASS 'B'
COMPUTING DEVICE.
FAULT
LOCATE
POWER
ACN 001 345 482
13 WATTS50/60 Hz
24 VDC @ 100 mA
CASCADE
USB
DATA
USB
RAD PORT
OUTPUT MIC INPUTS
INOUT
MIC
LINE
MIC +48V
MIC +0V
LINE
MIC +48V
MIC +0V
LINE
CLASS 2 WIRING
MIC +48V
MIC +0V
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MIC +48V
MIC +0V
LINE
LINE
Data Sheet - 1
AM 2
AUTOMIXER
Features and Specifications
XLR Inputs
Phantom Power +48V per IEC 60268-15, Selectable in Mic mode
Maximum Input (Mic/Line) -17 / +10 dBu
Input Impedance 2.01k, 1%
Input Gain Range (Mic/Line) -80 to +34 dB / -80 to +26 dB
Frequency Response 100 Hz to 7 kHz, +0/-3 dB, -20 dBFS, Extended vocal range
Main Output
Maximum Output (Mic/Line) -20 / +20 dBu, 10 kΩ load
Output Impedance (Mic/Line) 51 / 300 Ω, 1%
Output Gain Range -80 to 0 dB
Frequency Response 100 Hz to 7 kHz, +0/-3 dB, -20 dBFS
Dynamic Range 101 dB re +20 dBu, 20 kHz BW, A-weighted, 0 dB gain, 10 kΩ load
THD+N < 0.02%, 100 Hz to 7 kHz, A-weighted, +4 dBu, 0 dB gain, 10 kΩ load
LED Meters
Signal -50 dBFS, Green LED, Peak-Reading
Overload -0.5 dBFS, Red LED, Peak-Reading
RAD / Cascade In / Out
Sample Rate and Resolution 48 kHz @ 24 bits
Unit
Universal Line Voltage 100 to 240 VAC, 50/60 Hz, 13 W
Agency Listing UL/cUL/CE
Size 1U 1.75"H x 19"W x 8.5"D (4.4 cm x 48.3 cm x 21.6 cm)
Weight 5 lb 4 oz (2.4 kg)
Shipping Size 4.5" x 20.3" x 13.75" (11.5 cm x 52 cm x 35 cm)
Shipping Weight 9 lb (4.1 kg)
Note: 0 dBu = 0.775 Vrms
Mono, Balanced, Mic/Line Selectable
Mono, Balanced, XLR
Mono, peak detecting
8P8C (RJ-45) Connector
All Steel Construction
Architectural Specifications
e 1U audio device shall provide 8 rear-mounted XLR inputs
automatically mixed using a gain-sharing algorithm. Each input
shall permit selectable mic, mic with 48 volt phantom power,
or line input level intended for wireless receiver outputs. Front
panel mic input level controls for each input shall indicate signal
and overload and an overall output level control with signal and
overload shall be provided.
When used standalone without cascading addition mics, accommodation for two, post-level audio outputs shall be provided.
One on a single XLR male balanced analog output with mic/
line selector switch and the second via a Rane RAD Port on
RJ-45 providing 24-bit, 48 kHz PCM digital audio transport to
Data Sheet - 2
a CobraNet network via a Rane Mongoose. When cascading additional gain-shared mics downstream, the front panel output level
control only aects the XLR Output.
A USB Data port shall be provided to support rmware up-
dates should they be needed.
A cascade input RJ-45 shall permit gain-sharing mic mix expansion in groups of 8 channels from external automixer devices.
Up to 64 gain-shared mics with a maximum of eight 1U devices
shall be supported. To input line audio sources or perform headphone cueing, a Rane AM 1 is supported.
Universal 100 to 240 volt AC, 50 or 60 Hz operation shall be
provided on an IEC rear panel plug.
e unit shall be a Rane AM 2.
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