contents Introduction ....................2 Notes on safety..................3 Becoming acquainted with the operational components .......4 Setup .....................6 Connection ....................9 Block diagram ..................10 technIcal specIfIcatIons ............... 11 Disposal ....................11 IntroductIon Congratulation and thank you for purchasing the SA series, a multi-function commercial amplifier. These amplifiers are designed to provide a big impact in sound reproduction and to produce the best and highest quality audio at an affordable price.
notes on safety For your own safety you must read through this chapter at first completely! Risk of electrical shocks. • Only connect the device to a properly wired and earthed mains power socket providing mains voltage of 230 V ~ /50 Hz. •...
BecomIng acquaInted wIth the operatIonal components . . . on the front 1. MIC 1, 6.3mm input jack, unbalanced 2. MIC volume controls 3. AUX1~AUX3 selector switch and volume control 4. Bass and treble control 5. Master volume control 6. Power on/off 7.
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. . . on the rear 1. AC Input Connect the power cable here. 2. Mains power fuse holder if the fuse should blow, a qualified technician must replace it with a fresh one of same specs 3. Output terminals Speaker output connectors (4Ω, 8Ω, 16Ω, and 70V/100V).
setup CAUTION: Before you begin, make sure your mixer-amplifier is disconnected from the power source, with the power switch in the OFF position and all level controls turned completely down (counterclockwise). You may stack mixer-amplifiers without using a cabinet or you may place a single mixer-amplifier on a surface with 12-inches (about 30cm) of air space around the unit for convection cooling.
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cHoose tHe oUtpUt wIre anD tHe connectors For the output connectors of the amplifier, the use of prebuilt or professionally wired, high quality and heavy gauge speaker wires is recommended. Screw terminals can be used for the output con- nectors. Prevent short circuits: wrap or otherwise insulate exposed loudspeaker cable connectors. Use the guidelines below to select the appropriate wire size, based on the distance from the ampli- fier to the speaker.
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The typical input and output wiring is shown in the next figure: Page 8...
InpUt GaIn controL The SA-130 public address amplifier is able to accept a variable and wide range of input signals with trim pot. To accept variable external equipment, you adjust the trim pot in a range of 44dB. Following image shows the acceptable input sensitivity per channel.
technIcal specIfIcatIons Input sensitivity for full output at max. gain Balanced microphone channels -50dB to -6dB ± 3dB Unbalanced line channels -6dB ± 3dB Unbalanced Link-OUT 0dB ± 3dB Frequency Response at 1 watt from speaker out tap.100Hz~10kHz ± 1.5dB Graphic Equalizer Treble and bass range ±...
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