Extron electronic RAC 104 Stereo Equalizer User Manual


 
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Extron
SW 6AV
Switcher
Mixer
RS-232
Control
Microphone
Zone 2
Zone 1
Extron
RAC 104
Volume and Tone
Controller
Extron
HPA 1001-70V
Audio Power
Amplier
Extron
SI 26CT
Two-Way Ceiling
Speakers
Extron
SI 28
Surface-Mount
Speakers
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Extron
HPA 502
Half Rack Power
Amplifer
www.extron.com
© 2008 Extron Electronics. All rights reserved.
Pricing and specifications may change without notice.
USA West
+1.714.491.1500 / +800.633.9876
+1.714.491.1517 FAX
USA East
+1.919.863.1794 / +800.633.9876
+1.919.863.1797 FAX
China
+86.21.3760.1568 / +400.883.1568
+86.21.3760.1566 FAX
Japan
+81.3.3511.7655
+81.3.3511.7656 FAX
Europe
+31.33.453.4040 / +800.3987.6673
+31.33.453.4050 FAX
Dubai
+971.4.2991800
+971.4.2991880 FAX
Asia
+65.6383.4400 / +800.7339.8766
+65.6383.4664 FAX
www.extron.com
© 2008 Extron Electronics. All rights reserved.
Pricing and specifications may change without notice.
USA West
+1.714.491.1500 / +800.633.9876
+1.714.491.1517 FAX
USA East
+1.919.863.1794 / +800.633.9876
+1.919.863.1797 FAX
China
+86.21.3760.1568 / +400.883.1568
+86.21.3760.1566 FAX
Japan
+81.3.3511.7655
+81.3.3511.7656 FAX
Europe
+31.33.453.4040 / +800.3987.6673
+31.33.453.4050 FAX
Dubai
+971.4.2991800
+971.4.2991880 FAX
Asia
+65.6383.4400 / +800.7339.8766
+65.6383.4664 FAX
Audio inPut
Number / signal type ........... 4 channels, which can be mono or tied into stereo pairs, balanced/unbalanced
Connectors ....................... (2) 3.5 mm captive screw connectors, 5 pole
Impedance ........................ >18k ohms unbalanced/balanced, DC coupled
Nominal level .................... +4 dBu (1.23 V), -10 dBV (316 mV), switchable per group
Maximum level .................. +20 dBu (7.75 V), (balanced or unbalanced) at 1% THD+N
Input gain adjustment .......... -12 dB to +12 dB
Audio outPut
Number / signal type ........... 4 channels, which can be mono or tied into stereo pairs, balanced/unbalanced
Connectors ....................... (2) 3.5 mm captive screw connector, 5 pole
Impedance ........................ 50 ohms unbalanced, 100 ohms balanced
Nominal level .................... +4 dBu (1.23 V), balanced; -10 dBV (316 mV), unbalanced; switchable per
group
Maximum level (Hi-Z) ........... >+20 dBu, balanced or unbalanced at 1% THD+N
NOTE: 0 dBu = 0.775V, 0 dBV = 1V, 0 dBV ≈ 2 dBu.
control / remote
remote Volume / tone controller
Serial control port ............... RS-232, 3.5 mm captive screw connector, 3 pole
Baud rate and protocol ......... 9600, 8 data bits, 1 stop bit, no parity
Serial control
pin configurations ............... 1 = TX, 2 = RX, 3 = GND
Program control ................. Extron’s control/configuration program for Windows
®
Extron’s Simple Instruction Set (SIS
)
GenerAl
External power supply ......... 100 VAC to 240 VAC, 50/60 Hz, external, universal; to 12 VDC, 1 A, regulated
Power input requirements ..... 12 VDC, 0.2 A
Rack mount ...................... Yes, with optional 1U rack shelf, part #60-190-01 or 60-604-01; or
VersaTools
®
rack shelf, part #60-190-20 or 60-604-20.
Also furniture mountable with optional brackets
Enclosure type ................... Metal
Enclosure dimensions .......... 1.7" H x 4.3" W x 3.0" D (1U high, quarter rack wide)
4.3 cm H x 10.9 cm W x 7.6 cm D (Depth excludes connectors and knob.)
Product / Shipping weight ..... 0.5 lbs (0.3 kg) / 2 lbs (1 kg)
sig nA l P ro ces so rs
RAC 104
Four Channel Volume and Tone RAC - Remote Audio Controller
feAtures
Inputs: Captive screw connectors
Outputs: Captive screw connectors
Independent control of four audio channels
Volume and tone control via front panel or RS-232
Smooth, 0.5 dB volume transitions
Three presets per channel for input gain, volume, bass, and treble
Compatible with stereo or mono audio systems
Compatible with any audio amplifier
Selectable professional and consumer audio levels
Front panel security lockout
Rack-mountable 1U, quarter rack width metal enclosure
External universal power supply included, part # 70-055-01
descriPtion
The Extron RAC 104 Four Channel Volume and Tone Remote Audio Controller provides four
channels for controlling volume, bass, and treble when placed between a switcher and an audio
power amplifier. It can be configured for a variety of applications to control mono and stereo
audio distribution in such environments as classrooms and meeting rooms.
The RAC 104 offers simple, intuitive operation, and features two channel selection buttons
- two channels per button - with corresponding LED indicators. It provides direct access to
volume, bass, and treble adjustments utilizing a front panel adjustment knob. All inputs and
outputs of the RAC 104 are on captive screw connectors for balanced and unbalanced audio
signals, facilitating integration-friendly installation. Part of the VersaTools
®
line of products, the
RAC 104 is housed in a 1U, quarter rack width metal enclosure, and is rack, under-desk, and/or
through-desk mountable.
model Version descriPtion PArt #
RAC 104 Volume & Tone Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60-561-01
oPtionAl Accessories model descriPtion PAGe PArt #
RSU 129 1U 9.5" Deep Universal Rack Shelf Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 819 60-190-01
RSF 123 1U 3.5" Deep VersaTools
®
Rack Shelf Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 818 60-190-20
RSB 129 1U 9.5" Deep Basic Rack Shelf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 820 60-604-01
RSB 123 1U 3.5" Deep Basic Rack Shelf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 818 60-604-20
PMK 300 Multi-Product Projector Mount Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 813 70-374-01
sPecificAtions
Audio
Gain ................................ Unbalanced output: -6 dB; balanced output: 0 dB when input gain is set to 0 dB,
output volume is at 100, and the input and output are set to the same level via
the Line Level DIP switch
Frequency response ............ 20 Hz to 20 kHz, ±0.05 dB
THD + Noise ...................... 0.03% @ 1 kHz at nominal level
S/N ................................. >90 dB, balanced at maximum output
Crosstalk .......................... <-120 dB @ 1 kHz
Stereo channel separation .... >80 dB @ 1 kHz, >60 dB @ 20 kHz
CMRR .............................. >75 dB @ 20 Hz to 20 kHz
Volume control range ........... -100 dB to 0 dB (volume numbers 0 through 100) in 0.5 dB steps
NOTE: Attenuation = volume number minus 100. The default is -30 dB = volume number 70.
Bass control range .............. ±14 dB, 100 Hz referenced to 1 kHz (0 through 14) in 2 dB steps
NOTE: Bass dB = (bass number minus 7) times 2. The default is 0 dB = bass number 7.
Treble control range ............ ±14 dB, 10 kHz referenced to 1 kHz (0 through 14) in 2 dB steps
NOTE: Treble dB = (treble number minus 7) times 2. The default is 0 dB = treble number 7.
671