SA-130 Owner s Manual PUBLIC ADDRESS SYSTEM
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. We wish you great enjoyment and satisfaction when using your amplifier, whether you are an installation, or reinforcement engineer. XX Five microphone / line inputs with 1/4-inch phone, XLR and RCA jacks. XX Wide range of accepted input level. XX Phantom power for MIC channels 1-4. XX Two layer priority muting. XX 130 watts power output. XX Advanced protection system includes current limiting, over current and thermal protection. XX Desktop and 19-inches rack mountable type. XX Bass and treble level adjust. XX LINK OUT to power amplifier if more output power needed. XX Low distortion and low noise level. XX Compact size and lightweight. XX ldeal for commercial and industrial use. Page 2
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. Do not operate the device if the power cord or the mains plug are damaged. Never submerse the device in water. Wipe it with a slightly moistened cloth only. Do not expose the device to rain and never use it in a damp or wet environment. This unit was developed for indoor use only. Do not use it outdoors. Make sure that the power cord never becomes wet or moist during use. Do not place the unit in environments which contain high levels of dust, heat, moisture or vibration. Under no circumstances may you open the device housing. Should you do so your safety would not be assured and the warranty will become void. There are no operational components whatsoever inside, only really high voltage that can give you a deadly shock! Do not place objects containing fluids, e.g. flower vases or beer bottles, on or near the device. Always operate the device only on a correctly earthed socket, never sever the power cord's earth wire. Otherwise a LIFE THREATENING situation exists! Notice regarding disconnection from mains-power: To completely disconnect the device from mains power, you must pull the plug from the power socket. For this reason the device should be placed in a position where unobstructed access to the power socket is assured at all times, so that in an emergency you will be able to immediately pull out the plug. To eliminate the risk of fire you should completely disconnect the power plug from the power socket when the device is not going to be used for a long time, for example, during holidays. Always grasp the power cord by the plug. Do not pull on the cord itself and never touch the power cord with wet hands as this could result in a short circuit or an electrical shock. Do not place the device, speakers or anything else on the power cord and make sure that it does not become clamped. Never tie knots in the power cord and do not bind it together with other cables. Lay the power cord so that no one can step on or stumble over it. A damaged power cord can cause a fire or an electrical shock. Check the power cord from time to time. Should it become damaged contact our customer service department to have it replaced. Risk of fire! Never leave the device unattended during operation. Never cover the ventilation slots of the device while it is on. Do not place this unit in an enclosed environment such as a bookshelf or closet. Ensure that there is adequate ventilation to cool the unit. Do not place the device in locations that are subject to direct sunlight. If you do, it may overheat and become irreparably damaged. Do not operate the amplifier on surfaces that restrict normal airflow around the device, for example, a bed, sofa, carpet or similar surfaces. Do not place open fire sources, such as candles, on the device. Never operate the amplifier in the vicinity of heat sources such as cookers, heating elements or other heat producing installations. Before a storm and/or a thunderstorm with a risk of lightning, please disconnect the device from the electrical power source. Risk of personal injury! Keep children away from the power cord and the device. Children frequently underestimate the dangers of electrical devices. Provide a stable location for the device. Do not operate the device if it has sustained a fall or is damaged. Have the device checked or, if necessary, repaired by qualified technicians. Page 3
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. LED indicators PROTECT CLIP -20dB SIGNAL PROT: Indicator for activated circuit protection, showing there is a malfunction in the device CLIP: indicates a maximum level signal, distortion might occur -20dB: indicates a mid level signal SIG: indicates a low level signal POWER: Power indicator Page 4
... 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). Connect the speakers here according to instructions given later in this manual 4. Signal input sockets Connect your audio sources here 5. Phantom power and priority 6. Link Out socket 7. Input gain controls Gain control knobs for variable input level Page 5
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. When using an equipment rack, do not mount units directly on top of each other. Allow 2U between units for convection cooling. The side walls of the rack should be a minimum of 2-inches (about 5cm) away from the amplifier sides, and the back of the rack should be a minimum of 4-inches (about 10cm) from the mixer-amplifier rear panel. Only after all audio connection are done, press the POWER switch to turn the device on. The power indicator on the front panel lights up while the device is in operation. How to connect rack ears 1. Locate the two rack ears and six rack-ear screws supplied. 2. Place a rack-ear flush with the right front of the chassis. 3. Insert a screw into the bottom hole of the rack-ear and chassis. Screw it in. 4. Insert a screw into the mid hole of the rack-ear and chassis. Screw it in 5. Insert a screw into the top hole of the rack-ear and chassis. Screw it in. 6. Repeat steps 2 to 5 for the left side of the chassis. 7. Remove the four legs from bottom of unit. 8. Please refer to this figure: WIRING GUIDE Choose input wire and connectors: We recommend using prebuilt or professionally wired balanced line, 22 to 24 gauge cables. The figure below shows connector pin assignments for wiring.the RCA input connections can also be used for unbalanced inputs. UNBALANCED 1/4 Connector XLR Balanced Wiring Guide strain relief clamp sleeve tip sleeve gound/shield tip signal Page 6
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 connectors. 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 amplifier to the speaker. The wire sizes apply to the 4 Ohm tap. Distance Up to 25 ft Wire Size 16 AWG 26 ~ 40 ft 14 AWG 41 ~ 60 ft 12 AWG 61 ~ 100 ft 10 AWG 101 ~ 150 ft 8 AWG 151 ~ 200 ft 6 AWG Note: Caution: Leave custom wiring to qualified personnel. Class 2 wiring is required. NEVER use shielded cable for output power wiring. The following figure shows the connector pin assignments for wiring: Page 7
The typical input and output wiring is shown in the next figure: Page 8
SIGNAL 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. PRIORITY CONTROL The SA-130 amplifier offers a two level priority mute function. When a higher level source is activated, other input signals are muted, except for the same priority level source. Priority MIC1 > MIC2 - MIC4, AUX1~AUX3 This function allows to talk over for MIC channel 1. All other input signals are muted when this function is activated (= switch is in ON position). The figure to the right shows the priority switch and its ON and OFF Positions. Phantom power The SA-130 amplifier supplies DC +22 Volts phantom power to use condenser microphone with MIC 1 and 4 channels. The figure to the right shows the phantom power switches and its ON and OFF positions. Connection Select the input wire and the connectors INPUT OUTPUT XLR jack, stereo 6.3mm jack (MIC1), RCA (AUX1~AUX3) for both microphone in and line in 4Ω, 8Ω, 16Ω constant impedance output. For rated output, different voltage output can be selected by different line connection: 100V, 70V, 16Ω 8Ω 4Ω default 100V output for optional. LOAD SPECIFICATION Page 9
Block diagram Page 10
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 ± 10dB Signal to Noise Ratio at rated power output better than 65dB Output power at THD 0.5% 130 Watts THD at 1kHz rated power Less than 0.5% Phantom Power 22VDC Output Voltage and Impedance 4 Ω 22.8 V 8 Ω 32.3 V 16 Ω 45.6 V 70 V 37.7 V 100 V 76.9 V Cooling Dimensions (WxHxD) Net weight Operating Temperature/Humidity Construction DC24V 420 x 88 x 320mm 10.2 kg 0 ~ 40 C / 95% max. (no condensing!) Our products are subject to a process of continual further development. Therefore modifications to the technical features remain subject to change without further notice. Disposal Never throw the device into the regular household waste at the end of its useful life. This product is subject to the European Directive 2002/96/EC. Dispose of the device through an approved disposal centre or at your community waste facility. Observe the current existing regulations. In case of doubt contact your disposal facility. The packaging is certified via a dual system. Take all packaging materials to an environmentally friendly disposal facility in compliance with the local regulations. Page 11
Musikhaus Thomann Treppendorf 30 96138 Burgebrach Germany www.thomann.de