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Manual abstract: user guide QSC AUDIO OT-300ADATASHEET
Detailed instructions for use are in the User's Guide.
[. . . ] [. . . ] Conversely, the OT-300a can be used as a high-power speaker transformer, driving loudspeakers with up to 300 watts from a 70-volt distributed line. The OT-300a autoformer is compatible with any amplifier rated at up to approximately 350 watts at 4 ohms. It has built-on brackets for convenient mounting on a panel or in an equipment rack. Compatible amplifier models · USA 400 · RMX 850 · MX 700 · PLX 1202 · PowerLight 1. 0 · CX 302 and CX 254 · DCA 1222 and DCA 1824 · Any amplifier rated at approximately 70 to 350 watts at 4 ohms Features · · · · Adapts low-impedance amplifiers to drive 70-volt lines Rugged, heavy-duty construction handles up to 300 watts Low insertion loss--less than 1 dB Four voltage taps to accommodate any amplifier output voltage from 17 to 35 volts · Also suitable for use as a high-power speaker transformer handling up to 300 watts
Specifications subject to change without notice.
1675 MacArthur Boulevard Costa Mesa, CA 92626 Ph: 800/854-4079 or 714/957-7100 Fax: 714/754-6174 www. qscaudio. com
O T - 3 0 0 a S P E C I F I C AT I O N S
GENERAL INFORMATION Frequency response Transformer type Distortion, 30 Hz16 kHz Connectors Power capacity Insertion loss Dimensions (h × w × d) Weight Mounting centers Voltage taps
Specifications subject to change without notice.
OT-300a
20 Hz16 kHz, +0, -1. 5 dB Autoformer with EI laminated core 0. 1% @ 150 watts; 0. 5% @ 300 watts ¼" (6. 3 mm) male quick-disconnect Approximately 75 to 300 watts Less than 1 dB 3. 13" × 3. 75" × 3. 50"; 79. 5 mm × 95. 3 mm × 88. 9 mm 6. 75 lb; 3. 1 kg 3. 00" × 3. 11"; 76. 2 mm × 79. 0 mm 17, 25, 30, and 35 volts
70V out
power amplifier
OT-300a used as an output transformer
35V 30V 25V 17V 0V
70V distributed line
0V (common)
OT-300a used as a speaker transformer
70V in 8 4 2
35V 30V 25V 17V 0V
150W 110W 75W 35W 300W 225W 150W 75W 300W 150W
0. 375 × 0. 25" 9. 5 × 6. 3 mm
70V distributed line
0V (common)
loudspeaker
3. 00" 76. 2 mm
QSC Audio Products, Inc. [. . . ] [. . . ]
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