TX8000 - Bluetooth speaker AUSTRALIAN MONITOR - Free user manual and instructions
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| Product Type | 8-channel audio mixer (Mic/Line) |
| Brand | AUSTRALIAN MONITOR |
| Model | TX8000 |
| Power Supply | 115 VAC 60 Hz or 24 VDC (max 350 mA) |
| Microphone Inputs | 8 x female XLR (200 ohms, balanced/unbalanced) |
| Line Inputs | 6 x RCA (channels 1-6, unbalanced) |
| Main Output | 1 x male XLR (balanced, 1.5 V RMS max) |
| Headphone Output | 6.35 mm jack (3.5 V / 600 ohms) |
| Tape Output | 2 x RCA (700 mV/10 k ohms, pre-master) |
| Equalization | 2 bands per channel: bass (+/-12 dB at 100 Hz), treble (+/-9 dB at 10 kHz) |
| Phantom Power | +18 V DC (internally switchable) |
| External VCA Control | 500 k ohm potentiometer (Euroblock connector) |
| Display | LED VU meter from -21 dB to +3 dB |
| Dimensions (approximate) | Height 1U (4.4 cm), width 48 cm (19 inches), depth 20 cm |
| Weight (approximate) | 3.2 kg |
| Maintenance and Cleaning | Unplug before cleaning; use a dry cloth; do not expose to moisture |
| Safety | Do not open the enclosure; risk of electric shock; follow warnings |
| Spare Parts and Repairability | 1.25 A slow-blow fuse; optional modules ATC5488, TX3010, TX3014; repair by qualified technician |
| General Information | Designed in Australia; 19-inch rack mount or tabletop |
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USER MANUAL TX8000 AUSTRALIAN MONITOR
Clever Features, Contractor Friendly
TX8000 8 Channel Mic/Line Mixer
Operating Manual
TX8000, 8 Channel Mic/Line Mixer
Product Description
The TX8000 is a single rack height, 8 channel mixer suitable for desk or 19" rack mounting. Inputs 1-6 are dual balanced microphone/auxiliary inputs while inputs 7-8 are balanced microphone inputs only. Each input channel has individual gain, trim, bass & treble controls. The TX8000 has a separate master output level control. The TX8000 will operate from 115 VAC 60 Hz or 24 VDC & also features a remote VCA for the Master Volume.
WARNING!
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK. DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE.
This symbol is intended to alert the user to the presence of uninsulated "dangerous voltage" within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
This symbol is intended to alert the user to the presence of important operation and maintenance (servicing) instructions in the literature accompanying the appliance.
Caution: To prevent electric shock do not use this (polarized) plug with an extension cord, receptacle or other outlet unless the blades can be fully inserted to prevent blade exposure.
To prevent electric shock, match wide blade of plug to wide slot, fully insert.
Front Panel Features
Input Level Controls
The 6 dual mic/line input controls are marked Ch 1 through Ch 8 and should be adjusted to provide the required mix level for each individual channel. Start with the controls set to level 0 and turn the controls slowly clockwise until the desired mix for each channel is obtained. Each of the inputs is also equipped with an input sensitivity control which is located on the input PCB of the TX8000. Please refer to the 'Other Internal Adjustments' section of this manual for full details on this important feature.
Bass Control
Each channel has a recessed, screwdriver adjustable Bass control which forms part of a 2 band equalisation system for each input. The Bass control allows the user to increase or decrease the amount of bass for that particular input. The control allows for 12dB of cut or boost at 100Hz . If no bass cut or boost is required, the control should be left in the centre (0) position.
Treble Control
Each channel has a recessed, screwdriver adjustable Treble control which forms part of a 2 band equalisation system for each input. The Treble control allows the user to increase or decrease the amount of treble for that particular input. The control allows for 9dB of cut or boost at 10kHz . Generally, a small increase of the treble control makes a system sound 'brighter'. If no treble cut or boost is required, the control should be left in the centre (0) position.
Master Control
The master control sets the overall output level of the TX8000. It is used in conjunction with the input level controls. When setting up levels, please ensure that proper gain structure practices are followed. In other words, it is not advisable to run the input channels at 10 and the output level at 1. Instead, aim to keep all of the input controls and the master control at around the same level.
Headphone Output Socket
A 1/4 ” (6.35mm) socket is provided for the connection of monitor headphones. The output level to the headphones is a nominal 3.5 volts @ 600 ohms and is connected before the master output level control so adjusting the output level control will not effect the headphone output level.
Power Switch & "On" LED
The black rocker switch on the right hand side of the front panel is used to switch the mixer on and off. The 'up' position is on. When the amplifier is connected to an appropriate AC power source and is switched on, the blue "on" LED (located on the left side of the LED display) will illuminate.
LED Display VU Meter
The first LED indicates whether the unit is switched on. The remainder of the LED display is set in decibel graduations from -21 dB to +3 dB and indicates the level at the output of the mixer. For normal operation the LED's should glow green and modulate with level variations from the input program. If the LED's are
consistently indicating red, then the mixer is being overdriven which will result in distortion. Avoid operating the mixer with the red LED's illuminated.
Rear Panel Features
AC Power Inlet
The 3 pin IEC power inlet is located on the left side of the rear panel and accepts a standard mains power lead fitted with an IEC connector. The operating voltage is 115VAC@60Hz . The AC power voltage is not externally user adjustable but is factory preset. The inlet is equipped with an inbuilt AC fuse holder fitted with a 125mA slow blow fuse plus one spare. Power consumption is 7VA .
Please ensure that the mains power cord is disconnected before attempting to check or replace this fuse.
24 Volt DC Power Source Connection
Located to the top right of the IEC power inlet is a 2.1mm DC power socket which provides for the connection of an external 24 VDC battery. This is ideal for systems where battery backup is required or for applications where mains power is not available. The centre terminal post or pin is for connection to the positive (+) terminal. The sleeve is for connection to the negative (-) terminal. The maximum DC current drain is 350mA
Euro Block Connector
The 7 pin euro connector located on the rear panel allows for the connection of an optional tone module. The ATC5488 tone module is equipped with 4 tones and a common. The optional module would normally be fitted inside the mixer with the activation wires and common all connected to the internal header for easy external activation via switches or third party timers. The euro connector is not connected internally when supplied from the factory.
Output Connector
The rear panel of the TX8000 includes a male XLR output connector. The output is an active balanced isolated output for connection to a power amplifier. The maximum output is 1.5V RMS. Pin connections are Pin 1 = Earth. Pin 2 = Active Positive (+). Pin 3 = Active Negative (-). Note: If an unbalanced output is required, use a 600 Ohm matching transformer or use only Pin 2 and Earth. Do not short any of the active outputs to earth.
Tape Output
Two RCA output connectors are included on the rear panel. These provide a line level record output from the mixer. The tape output provides a maximum of 700mV into 10K ohms making it ideal for connection to most standard tape recorders. This output is sourced before the master gain control and as such the tape output level is not influenced by the operation of the master gain control.
Microphone Inputs
The TX8000 includes eight female XLR inputs which accept 200 ohm balanced or unbalanced microphones. An internal trim control is provided for each input (see the 'Other Internal Adjustments' section of this manual). Pin connections are Pin 1 = Earth. Pin 2 = Active Positive (+) . Pin 3 = Active Negative (-) . Phantom power of +18v DC (internally defeatable) is provided.
Line Inputs
The TX8000 includes six dual RCA inputs (channels 1-6) for unbalanced line or aux devices such as tape recorders, video players, tuners etc. An internal trim control is provided for each input (see the 'Other Internal Adjustments' section of this manual). Dual RCA connectors are provided to allow for the simple connection of domestic stereo devices such as tape desks and CD players. Both the left and right outputs from these devices can be connected to the dual RCA's and will be summed to mono within the TX8000.
Note: Channels 1-6 of the TX8000 have both a microphone and line connection. Please note that only one of these (on each of these channels) should be used at the same time.
Phantom Power
The microphone inputs on the TX8000 all provide +18v DC phantom power which is required for electret microphones. If desired, phantom power can be defeated via an internal jumper which is located on the output board near the line output XLR socket on the rear panel (position X3 on the output board). The default setting is with the link in the 'on' position, shorting the centre pin and the pin closest to the rear of the TX8000. To turn phantom power off, move the link to short the centre pin and the pin closest to the front of the TX8000. Note: It is necessary to disconnect the power cord and remove the lid from the mixer before operating this switch.
VCA Control
An external pot (500K) can be connected to the TX8000 for remote control of the master level. The external pot is governed by the master level of the mixer allowing the installer to set the volume, then lock the mixer in a rack, leaving the user with just a master volume control that cannot go beyond the level set on the master (front panel) control. Connection is via a 2 wire euro block connector on the rear panel of the amplifier
Optional Accessories
Internal Adjustments
Note: The following adjustments involve access to the inside of the TX8000 and should only be attempted by a qualified technician. Always turn off the AC power and remove the AC power cord before accessing the inside of the TX8000.
Tone Generator Module
An optional ATC5488 4 tone generator board is available for the TX8000. This internally mounted PCB can be easily fitted and plugs directly into a socket provided on the pre-amp circuit board inside the TX8000. The socket is located on the front board behind the input 5 level control. Please follow the instructions supplied with the tone generator. When any tone from the ATC5488 is activated (via contact closure) all inputs will automatically mute except for input 1. Tones available on the ATC5488 tone generator board are:
Evacuation Tone
Alert Tone
Bell Tone
Pre Announce Chime
Muting Modules
Two optional VOX (signal activated) mating modules are available for the TX8000. The TX3010 mutes channels 2-8 from input 1 while the TX3014 is a dual level mating module which mutes channels 2-8 from input 1 and 3-8 from input 2. Both modules plug into a socket provided on the pre-amp circuit board inside the TX8000. The socket is located directly behind the input 1 level control.
TX3010 Muting Module: Provides muting from channel 1 only. When activated, all other channels are muted
TX3014 Muting Module: Provides dual priority muted. Channel 1 mutes 2-8. Channel 2 mutes 3-8.
Input Sensitivity Adjustment: An internal trim adjustment is provided inside the TX8000 behind each XLR input. This trim control allows the input sensitivity to be adjusted for either very high level or low level inputs.
Phantom Power Defeat: A 3 pin link is located on the output board directly behind the Mic #8 XLR socket. The default setting is with the link in the 'on' position, shorting the centre pin and the pin closest to the rear of the TX8000. To turn phantom power off, move the link to short the centre pin and the pin closest to the front of the TX8000.
Fuse Sizes TX8000 Mixer
Mains 115 VAC: 1.25 Amperes Slow Blow
Important Safety Information
- Save the carton and packing material even if the equipment has arrived in good condition. Should you ever need to ship the unit, use only the original factory packing.
- Read all documentation before operating your equipment. Retain all documentation for future reference.
- Follow all instructions printed on unit chassis for proper operation.
- Do not spill water or other liquids into or on the unit, or operate the unit while standing in liquid.
- Make sure power outlets conform to the power requirements listed on the back of the unit.
- Do not use the unit if the electrical power cord is frayed or broken. The power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords and plugs, convenience receptacles, and the point where they exit from the appliance.
- Always operate the unit with the AC ground wire connected to the electrical system ground. Precautions should be taken so that the means of grounding of a piece of equipment is not defeated.
- Mains voltage must be correct and the same as that printed on the rear of the unit. Damage caused by connection to improper AC voltage is not covered by any warranty.
- Have gain controls on amplifiers turned down during power-up to prevent speaker damage if there are high signal levels at the inputs.
- Power down & disconnect units from mains voltage before making connections.
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Never hold a power switch in the "ON" position if it won't stay there itself!
-
Do not use the unit near stoves, heat registers, radiators, or other heat producing devices.
- Do not block fan intake or exhaust ports. Do not operate equipment on a surface or in an environment which may impede the normal flow of air around the unit, such as a bed, rug, weathersheet, carpet, or completely enclosed rack. If the unit is used in an extremely dusty or smoky environment, the unit should be periodically "blown free" of foreign matter.
- Do not remove the cover. Removing the cover will expose you to potentially dangerous voltages. There are no user serviceable parts inside.
- Do not drive the inputs with a signal level greater than that required to drive equipment to full output.
- Do not connect the inputs / outputs of amplifiers or consoles to any other voltage source, such as a battery, mains source, or power supply, regardless of whether the amplifier or console is turned on or off.
- Do not run the output of any amplifier channel back into another channel's input. Do not parallel- or series-connect an amplifier output with any other amplifier output.
Australian Monitor Audio Inc is not responsible for damage to loudspeakers for any reason.
- Do not ground any red ("hot") terminal. Never connect a "hot" (red) output to ground or to another "hot" (red) output!
- Non-use periods. The power cord of equipment should be unplugged from the outlet when left unused for a long period of time.
- Service Information Equipment should be serviced by qualified service personnel when:
A. The power supply cord or the plug has been damaged.
B. Objects have fallen, or liquid has been spilled into the equipment
C. The equipment has been exposed to rain
D. The equipment does not appear to operate normally, or exhibits a marked change in performance
E. The equipment has been dropped, or the enclosure damaged.
Engineered in Sydney, Australia
www.australianmonitor.com
Australian Monitor Audio Inc.
PO Box 3126,
Lynnwood,
WA 98046.
Ph: 425 673 5175
Fax: 425 673 7825
Email: sales@australianmonitor.com
techsupport@australianmonitor.com
accounts@australianmonitor.com
International Sales & Corporate Head Office
Private Bag 149, Silverwater NSW 1811
149 Beaconsfield Street, Silverwater NSW 2128
Australia
Ph: 61-2-9647 1411
Fax: 61-2-9748 2537
E-mail: international@australianmonitor.com