sign in sign up
<<
Home , Preamplifier

MIXER PREAMPLIFIER

User's Manual

CH 1 CH 2 CH 3 CH 4 CH 5 SPA-4 MIXER PREAMPLIFIER Tec PL Gain Gain Gain Gain ZONE 1 ZONE 2

-10 +20+20+20+20+20-10 -10 -10 -10 VOLUME VOLUME ON High High High High High

-10 +10 -10 +10 -10 +10 -10 +10 -10 +10

Low Low Low Low Low 0 10 0 10 -10 +10 -10 +10 -10 +10 -10 +10 -10 +10 MON MON OFF POWER VOLVOLVOLVOLVOL ZONE 3 ZONE 4

VOLUME VOLUME

00+10 +10 0000010 10 10 10 10 Phone Monitor Volume Volume

Z1 Z2 Z1 Z2 Z1 Z2 Z1 Z2 Z1 Z2 01010 0 MON MON Z3 Z4 Z3 Z4 Z3 Z4 Z3 Z4 Z3 Z4 Phone

ZONE SELECTOR ZONE SELECTOR ZONE SELECTOR ZONE SELECTOR ZONE SELECTOR

SPA-4 PROFESSIONAL

INDEX TROUBLE SHOOTING

01 SAFETY RELATED SYMBOLS 1 Symptom Likely Cause Whattodo not connected Verify that speaker is connected and that the circuit is on 02 WARNING 1 No sound Power not switched on Switch on power and verify that power Led is on 03 IMPORTANT SAFETY INSTRUCTION 2 No sound, Amplifier power cable is faulty *Re-seat the power cable at both ends; amplifier is or improperly connected. *Substitute a known-good power cable 04 CONTROL ELEMENTS 3 connected Blown fuse *Check fuse & replace with same type "spare fuse in holder" 05 INSTALLATION 7 *Check if the signal LED indicators are lit on Signal source (mixer, Amp *Verify that the tape or CD is playing; instrument) is not sending *Use to verify that the instrument is actually sending No sound 06 CONNECTION DESCRIPTION 8 an Speaker comes on *Disconnect and re-seat signal cables; Faulty cables & connections 07 TROUBLE SHOOTING 9 *Replace suspected cable with a known-good cable The EON does not supply phantom power. Switch to a dynamic No sound with requires microphone, use a battery powered microphone (if possible), microphone connected to MIC / LINE input phantom power use an external phantom power supply for condenser type . Signal sounds distorted Excessive input signal, trying *Reduce the output level of the source; and very loud,LIMIT light to exceed the capabilities of *Turndown the level controls on the speaker; is lit most of the time the speakers *Use additional EON speakers *Make sure that the MIC / LINE switch is in the LINE(disengaged) position; Lots of hiss in sound, *Reduce the level settings at speaker, Review the Owner's Manual Improper gain adjustment mixer controls are for your mixer and adjust controls as needed; or settings at very low settings. *Input sensitivity(gain); *Channel faders; *Master faders; Improper A/Cgounding, *"lift" audio ground by using XLR/F to XLR/M adapter on one end ground loops *Re-route audio cables away from AC power and lighting cables. *Use the balanced outputs(if available)of your mixer or source Excessively long unbalanced equipment to drive your EON speakers. Hum or Buzz cable run *Use"DI"(direct injection) box to convert unbalanced equipment output to a balanced output. Improper system gain Reduce the INPUT level controls and increase the output level settings of your source devices.

Microphone are pointed into Move the speakers so they do not point at the microphone's the speakers pickup pattern. Speakers feed back and howl when the Locate the feedback frequency and reduce it using the mixer EQ Incorrect Equalizer settings microphone volume or an external equalizer. is turned up Excessive gain Reduce the gain at the mixer and move the microphone closer to the sound source.

IMPORTANT! Please read this manual carefully before operating this unit for the first time.

9 PROFESSIONAL MIXING CONSOLE

CONNECTION DESCRIPTION SAFETY RELATED SYMBOLS Unplug this apparatus during lightning

Contact storms or when unused for long periods "VOICE PRIORITY" CAUTION of time. Microphone RISK OF ELECTRIC SHOCK DO NOT OPEN External Connection Speaker The external wiring connected to the output Aux.signal The symbol is used to indicate that Desk Top Microphone some hazardous live terminals are hazardous live terminals requires installation involved within this apparatus, even by an instructed person, or the use of ready- under the normal operating conditions. made leads or cords.

The symbol is used in the service Do not Remove any Cover documentation to indicate that specific There are maybe some areas with high

Monitor Monitor Priority Tel. Paging Line Out 1W component shall be only replaced by 8 CAUTION G+ + HOT COM GND RISK OF ELECTRIC SHOCK - voltages inside, to reduce the risk of electric Line Mic Line Mic DO NOT OPEN Phantom Phantom Line Out Bal./Unbal. Line Out Bal./Unbal. CAUTION: SHOCK HAZARD - DO NOT OPEN TEL Zone 1 G - Zone 2 G - RISK OF FIRE-REPLACE FUSE AS MARKED. Zone Volume the component specified in that shock, do not remove any cover if the power 1234 ON 115V~ 230V~ Documentation for safety reasons. Ch.3 Ch.1 supply is connected. POWERCONSUMPTION:12W

24V DC 450mA Phantom Phantom Line Mic Line Mic

Line Out Bal./Unbal. Line Out Bal./Unbal. Ch.5 Line Zone 3 G - Zone 4 G - Protective grounding terminal. The cover should be removed by the qualified Use only with a 250V fuse

110-120V~50/60Hz FUSE:T630mAL 250V 220-230V~50/60Hz FUSE:T315mAL 250V personnel only. GND Ch.4 Ch.2 Alternating current /voltage. No user serviceable parts inside. Recorder Recorder Hazardous live terminal .

Mains ON: Denotes the apparatus turns on. Fuse PA Amplifier PA Amplifier OFF: Denotes the apparatus turns off, bec- To prevent a fire, make sure to use fuses 24V ause of using the single pole switch, be sure with specified standard (current, voltage, Battery to unplug the AC power to prevent any type). Do not use a different fuse or short electric shock before you proceed your circuit the fuse holder. CD player service. Before replacing the fuse, turn OFF the WARNING: Describes precautions that apparatus and disconnected the power should be observed to prevent the danger source. AM/FM tuner of injury or death to the user. Speaker Speaker Protective Grounding Horn speaker Horn speaker Sound column Sound column Disposing of this product should Cassette recorder Recorder Recorder Make sure to connect the protective not be placed in municipal waste grounding to prevent any electric shock PA Amplifier PA Amplifier and should be separate collection. before turning ON the apparatus. Never cut off the internal or external pro- CAUTION: Describes precautions that tective grounding wire or disconnect the should be observed to prevent danger of the wiring of protective grounding terminal. apparatus. WARNING Operating Conditions This apparatus shall not be exposed to Power Supply dripping or splashing and that no objects Speaker Speaker

Horn speaker Horn speaker Ensure the source voltage matches the filled with liquids, such as vases, shall be Sound column Sound column voltage of the power supply before turning placed on this apparatus. ON the apparatus. 8 1 PROFESSIONAL MIXING CONSOLE

To reduce the risk of fire or electric shock, a blower or clean with rag etc. INSTALLATION do not expose this apparatus to rain or Don't use solvents such as benzol, alcohol, moisture. or other fluids with very strong volatility and INSTALLATION NOTES Do not use this apparatus near water. flammability for cleaning the apparatus body. At all times , the amplifier has to be operated under appropriate conditions. This Install in accordance with the manufacture-r's Clean only with dry cloth. instructions. Do not install near any heat includes that the operation location provided sufficient ventilation and the device sources such as radiators, heat registers, Servicing is not exposed to direct sunlight or the direct radiation or reflection from any heat stoves, or other apparatus (including am- source. Installing the systems choose a location that gets not affected plifiers) that produce heat. Do not block Refer all servicing to qualified personnel. To by extreme and /or constant vibration or other mechanical oscillation . Also make any ventilation openings. reduce the risk of electric shock, do not sure that the speakers are installed at locations that are free from dust and /or perform any servicing other than that moisture. No naked flame sources, such as lighted contained in the operating instructions unless you are qualified to do so . candles, should be placed on the apparatus. CAUTION

IMPORTANT SAFETY INSTRUCTIONS Servicing is required when the apparatus has We strongly recommend that you leave the connection of the appliance to the qualified been damaged in any way , such as power and experienced service technician who is specialized in connecting electrical supply cord or plug is damaged , liquid has Read these instructions. and electronic equipment. Do not take the risk of Electro-shock hazard. Toreduce been spilled or objects have fallen into the the risk of Electro-shock, all connections have to be accomplished before it is Follow all instructions. apparatus, the apparatus has been exposed permissible to connect the amplifier t the main supply, before connecting the appliance Keep these instructions. to rain or moisture , does not operate to the mains supply, once again make certain that all connections are carried out correctly normally, or has been dropped. Heed all warnings. and that no short-circuit exist. The overall sound reinforcement installation has to Only use attachments/accessories spec- The mains plug is used as the disconnect device, be in accordance to the laws, regulations, standards, and guidelines that are relevant ified by the manufacturer. the disconnect device shall remain readily and applicable in that country where the equipment is going to be operated. Power Cord and Plug operable. AC POWER SUPPLY Do not defeat the safety purpose of the polarized or grounding type plug. CAUTION A polarized plug has two blades with Before using the amplifier for the first time, make sure that the appliance's voltage one wider than the other. A grounding is in accordance to your mains supply. Connect the amplifier only to grounded mains type plug has two blades and a third outlets. Connecting the amplifier to the mains supply (115/230Vac) has to be grounding prong. The wide blade or the accomplished by inserting the supplied mains cord into the corresponding docket . third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replace- ment of the obsolete outlet.

Protect the power cord from being walk- ed on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.

Cleaning When the apparatus needs a cleaning, you can blow off dust from the apparatus with 2 7 PROFESSIONAL MIXING CONSOLE

23.The mono MIC/LINE channels CONTROL ELEMENTS These are the channels from Channel1 to Channel4. You can connect balanced, low impedance microphones to the The Front panel XLR socket. On the 1/4" phone jack you can connect either CH 1 CH 2 CH 3 CH 4 CH 5 SPA-4 MIXER PREAMPLIFIER Tec a microphone or a instrument. You shall never PL Gain Gain Gain Gain Gain ZONE 1 ZONE 2

-10 +20-10 +20-10 +20-10 +20-10 +20 connect an unbalanced microphone lt the XLR socket VOLUME VOLUME ON High High High High High

-10 +10 -10 +10 -10 +10 -10 +10 -10 +10

if you do not want to damage both the Microphone and Low Low Low Low Low 0 10 0 10 -10 +10 -10 +10 -10 +10 -10 +10 -10 +10 MON MON OFF POWER VOL VOL VOL VOL VOL the Mixer. 23 ZONE 3 ZONE 4

VOLUME VOLUME

00+10 +10 0000010 10 10 10 10 Phone Monitor 24. CH1, CH2, CH3 and CH 4 inputs sensitivity and XLR phantom switch Volume Volume Z1 Z2 Z1 Z2 Z1 Z2 Z1 Z2 Z1 Z2 01010 0 MON MON By turning the switch onto the "LINE" position the Z3 Z4 Z3 Z4 Z3 Z4 Z3 Z4 Z3 Z4 Phone 24 ZONE SELECTOR ZONE SELECTOR ZONE SELECTOR ZONE SELECTOR ZONE SELECTOR CH1, CH2, CH3 & CH 4 input can be connected to an audio source with high level signal output. By turning these Line Mic Line Mic Phantom Phantom 1. Gain knob switches onto the MIC position, CH1, CH2, CH 3 &CH 4input CH 1 this knob controls input gain. Turnthe knob clockwise, then the can be connected to a dynamic microphone with low 1 Gain input increases. Turnthe knob counter-clockwise, then the input -10 +20

Phantom Phantom High impedance. By turning the switch onto the "Phantom" Line Mic Line Mic decreases. 2 -10 +10

position connects phantom supply n XLR of pin2 and 2. High knob 3 Low -10 +10 pin3 of CH1, CH2, CH 3 &CH 4 necessary to operate condenser microphone This is the treble control. You can use it to get rid of high frequency VOL which require this type of external supply. It is recommended to use noises or to boost the sound of cymbals lor the high harmonics of 4 thehumanvoice.Thegainrangegoesfrom-10dBto10dBwiththe 0 10 this switch with the general volume set on minimum. 5 Z1 Z2 central frequency 10kHz. Z3 Z4 25.Line Out Bal/Unbal ZONE SELECTOR 3.Low knob These terminals can be connected to other equipments, such as This is the Bass control. Boost male voice or kickdrum and bass . Your amplifier, recorder, etc. system will sound much bigger than what it is. The gain range goes from -10dB to +10dB and the center frequency is 100 Hz.

Line Out Bal./Unbal. Line Out Bal./Unbal. Zone 1 G - + Zone 2 G - + 4.VOL knob This knob controls volume. Turnthe knob clockwise, and the volume increases. 25 25 Turn the knob counter clockwise, and the volume decreases. Line Out Bal./Unbal. Line Out Bal./Unbal. Zone 3 G - + Zone 4 G - + 5.Zone selector Z1, Z2,Z3,Z4 can be considered as signal assignment switches. Press the button Z1 down and signal will be assigned to ZONE 1. Release the button and it stops assign signal to ZONE1. Z2, Z3,Z4 can be operated in the same way. 25 25 6. Phone Volume 26.DC Power Supply This knob controls the volume of Phone (refer to 7).Turn the knob clockwise, SPA-4 pre-amplifier can also operate using 24V DC power supply. When both the AC and it increases the volume, and vice versa. and DC source is connected, is shall operate using AC main whereas the DC supply 7.Phone 00+10 +10 Phone Monitor shall be only consumed whenever the former failed. The signals of amplifier can be sent to a pair of headphones Volume Volume

through this socket. Phone

26 8. Monitor Volume This knob controls the output signal level to monitor output. 678 6 3 PROFESSIONAL MIXING CONSOLE

9. Zone1 VOLUME 16. AC Voltage Selector ZONE 3 16 VOLUME controls the output signal level of ZONE1. VOLUME When the AC Voltage Selector is set to the left 115V,it selects the 10.LED VU-meter power at 100V to 127V.When the AC Voltage Selector is set to the 115V~ 230V~

0 10 This stereo 6 segment LED-meter indicates the level of the MON right 230V,it selects the power at 220V to 240V. 115V overall output signal. 17.Monitor Line Out 11.MONITOR selector 10 11 9 Monitor Line Out can be connected with other equipments, such as amplifier, Push MONITOR button down, then it connects the signal from recorder, etc. amplifier 1 to monitor volume. Release the button, then it cuts off the signal 18.Monitor 1W8 The terminal is meant for the connection of a small external loudspeaker that connection to monitor volume. The other three buttons are operated in the gets driven by an internal auxiliary power amplifier, providing a nominal output same way. 1Watt. Only the mixed audio signal coming from "AUX IN" are included in the 12. PL outputted signal. In addition, the output signal is 17 18 19 20 This LED is the power indicator. When the amplifier is powered on, this LED controlled only by the volume control of the "CH4", PL lights up. When the amplifier is powered off, this LED lights off. Monitor Monitor Priority Tel. Paging 12 "CH5", music signal level control. Line Out 1W 8 G+- + HOT COM GND 13. Power switch ON 19."Priority" Terminal. When the switch is set in the position ON, the unit is powered 13 When these terminals are short-circuited (i.e. By means on. When the switch is set in the position OFF,the unit is OFF of using an electrical switch), the audio signals coming from "CH4", "CH5", are POWER powered off. attenuated while the signals coming from"CH1", "CH2","CH3" are gaining priority. The Rear Panel 20.Input "AUX Paging" The terminals input lets you connect to an auxiliary signal . The input features

Monitor Monitor Priority Tel. Paging Line Out 1W 8 CAUTION G+ - + HOT COM GND RISK OF ELECTRIC SHOCK Line Mic Line Mic DO NOT OPEN Line Out Bal./Unbal. "Voice Priority" function, which overrides all other input signals once, an auxiliary Phantom Phantom Line Out Bal./Unbal. CAUTION : SHOCK HAZARD - DO NOT OPEN TEL Zone 1 G - Zone 2 G - RISK OF FIRE-REPLACE FUSE AS MARKED. Zone Volume

1234 message is sent. If you want to have this function disabled forever, please contact ON 115V~ 230V~ Ch.3 Ch.1 a distributor. POWERCONSUMPTION:12W

24V DC 450mA Phantom Phantom Line Mic Line Mic 21.a. Zone Line Out Bal./Unbal. Line Out Bal./Unbal. Ch.5 Line Zone 3 G - Zone 4 G - Use only with a 250V fuse There are four dip switches here. Push the dip switch up, it switches off and

110-120V~50/60Hz FUSE:T630mAL 250V 220-230V~50/60Hz FUSE:T315mAL 250V vice versa. GND Ch.4 Ch.2 21 b.Volume TEL It controls the volume of sound source that is connected to Zone Volume 14. AC Input 1234 ON Power inlet This inlet connects the unit with the main power. the "Tel Paging".Turningthe knob clockwise increases the volume of the corresponding source. It is recommend to leave 15. AC fuse the control of momentarily not used input at their minimal setting "0". The fuse protects the alternating current circuit of the unit, and the fuse can 22.''LINE IN" inputs only be replaced in the event of fuse damage. an audio source with a high level output signal , such as an AM/FM tuner , a , a CD player, etc. Use input sensitivity switch suitable for difference POWERCONSUMPTION:12W appliances. They are able to take RCA-type coaxial connectors, and unbalanced signals. Ch.5 Use only with a 250V fuse Line

14 15 22 4 5