Extron electronic ASA 204 Stereo Amplifier User Manual


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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
ASA 204, ASA 304
signAl Processors
Audio outPut
Number / Signal type ........... 4 mono, balanced/unbalanced
Connectors ....................... (2) 3.5 mm captive screw connectors, 5 pole (double stacked)
Impedance ........................ <50 ohms unbalanced, 100 ohms balanced
Nominal level
ASA 204 ........................... -10 dBV (316 mV)
ASA 304 ........................... +4 dBu (1.23 V)
Maximum level (Hi-Z) ........... >+23 dBu, balanced; or >+17 dBu, unbalanced at 1% THD+N
Maximum level (600 ohm) ..... >+21 dBm, balanced; or >15 dBu, unbalanced at 1% THD+N
GenerAl
External power supply ......... 100 VAC to 240 VAC, 50/60 Hz, external, universal; to 12 VDC,
1 A (max.), regulated
Power input requirements ..... 12 VDC, 0.2 A
Temperature / Humidity ........ Storage: -40 to +158 °F (-40 to +70 °C) / 10% to 90%, noncondensing
Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing
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 under desk mounting brackets,
#70-212-01, or projector mountable with bracket kit #70-217-01.
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.)
Product weight .................. 0.5 lbs (0.3 kg)
Shipping weight ................. 3 lbs (2 kg)
Vibration .......................... ISTA 1A in carton (International Safe Transit Association)
Listings ............................ UL, CUL
Compliances ..................... CE, FCC Class A, VCCI, AS/NZS, ICES
MTBF .............................. 30,000 hours
Warranty .......................... 3 years parts and labor
NOTE: All nominal levels are at ±10%. Specifications are subject to change without notice.
sPecificAtions
Audio
Gain ................................ Generally unity. Actual gain depends on whether or not both inputs have signals
and also on the output wiring and DIP switch settings. See the table below.
Input Channel
Output
Wiring
Output DIP Switch Settings
Left Right Unbalanced Balanced
signal signal balanced +9 dB +3 dB
signal — balanced +3 dB -3 dB
— signal balanced +3 dB -3 dB
signal signal unbalanced +3 dB -3 dB
signal — unbalanced -3 dB -9 dB
— signal unbalanced -3 dB -9 dB
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 rated maximum output
CMRR .............................. >75 dB @ 20 Hz to 20 kHz
Audio inPut
Number / Signal type
ASA 204 ........................... 4 stereo, unbalanced
ASA 304 ........................... 4 stereo, balanced/unbalanced
Connectors
ASA 204 ........................... 4 pairs of female RCA (tip-ring)
ASA 304 ........................... (4) 3.5 mm captive screw connectors, 5 pole
Impedance
ASA 204 ........................... >10k ohms unbalanced, DC coupled
ASA 304 ........................... >17k ohms unbalanced, 23k ohms balanced, DC coupled
Nominal level
ASA 204 ........................... -10 dBV (316 mV)
ASA 304 ........................... +4 dBu (1.23 V)
Maximum level .................. +20 dBu (7.75 V), (balanced or unbalanced) at 1% THD+N
NOTE: 0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV ≈ 2 dBu
669
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