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Summary of Contents for Inter-m M-500
- Page 1 OPERATING MANUAL AMPLIFIER M-500/700/1000...
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Page 2: Unpacking And Installation
UNPACKING AND INSTALLATION Although it is neither complicated to install nor difficult to operate your power Amplifier, a few minutes of your time is required to read this manual for a properly wired installation and becoming familiar with its many features and how to use them. Please take a great care in unpacking your set and do not discard the carton and other packing necessary to return your set for when moving your set and are required if it ever becomes necessary to return your set for service. - Page 3 FEATURES • SUBSTANTIAL PROTECTION CIRCUITRY To insure stability and reliability against over current and overheating extra protection circuitry is provided. In addition, turn on delay and DC detection circuitry is provided to protect the loud- speaker. • BRIDGED MONO FUNCTION These stereo amplifiers can be used for monoral powerful sound by selecting the mode switch.
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Page 4: Front Panel Controls
FRONT PANEL CONTROLS 1000 CLIP -20dB -20dB CLIP PROT -40dB -40dB PROT POWER AMPLIFIER CHANNEL1 CHANNEL 2 POWER 1. POWER SWITCH AND INDICATOR The power switch is used to turn on and off the AC main power. The power indicator lights up when the amplifier is powered ON. 2. -
Page 5: Rear Panel Controls
REAR PANEL CONTROLS OUTPUT INPUT PUSH TO RESET BRIDGED 10A/250V PUSH PUSH BALANCED BALANCED (8Ω~16Ω) 0dBm 0dBm BALANCED •TIP=HOT •RING=COLD •SLEEVE=GND (4Ω~8Ω) (4Ω~8Ω) BALANCED •3=COLD •2=HOT •1=GND (4Ω~8Ω) (4Ω~8Ω) PARALLEL BRIDGED ~AC INPUT STEREO 230V 50Hz, 770W CH 2 CH 1 CH 2 CH 1 1. - Page 6 2. OUTPUT TERMINALS Output terminals are dual five-way binding posts and speaker connectors. Do not parallel the two outputs of each channel by connecting them (together, or parallel them) with any other amplifier output. * When speakers are connected through speaker, please make sure correct connection of each pin, and refer speaker pin number.
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Page 7: Speaker Impedance
SPEAKER IMPEDANCE M-500/M-700/M-1000 series amplifier has three operating modes: Stereo, Bridged and Parallel and allows you to connect multiple speaker systems in parallel. Therefore, the minimum speaker im- penance various depending on the combination of these speakers. Be sure that the speaker impedance falls below the specified impedance. -
Page 8: Caution For Speaker Connection
M-1000: 350W+350W (4Ω) in stereo and 700W (8Ω) in monaural on the M-700: 250W+250W (4Ω) in stereo and 500W (8Ω) in monaural on the M-500. Be sure to use a speaker system that has sufficient input capacity. -
Page 9: Portable Rack Mounting
Use the following formula to determine the fuse capacity according to the speaker’s input capacity. Po = I P0 [W] : Speaker’s continuous input capacity (noise or RMS) R [Ω] : Speaker’s nominal impedance I [A] : Required fuse capacity ex.) Speaker’s continuous input capacity: 100W Speaker’s impedance: 8Ω... -
Page 10: Positioning The Housed Amplifier
POSITIONING THE HOUSED AMPLIFIER Place the case so that the ventilation airflow paths are not blocked. Front Less than 10 cm Front TROUBLESHOOTING The following table lists the main causes of abnormal operation and the corrective measures required, as well as the protective circuit operation in each case. Indicator Probable Cause Remedy... -
Page 11: Specifications
1 1 0 0 SPECIFICATIONS M-500 M-700 M-1000 Power Output Level f=1KHz, THD+N≤0.05% (Typical) STEREO RL=8Ω 130W+130W 220W+220W 330W+330W RL=4Ω 250W+250W 350W+350W 520W+520W BRIDGED RL=8Ω 500W 700W 1000W One Channel Driven f=1KHz THD+N≤0.05% RL=8Ω 150W 250W 350W Frequency Response RL=8Ω, P.=1W 0dB+0.5, –1.5dB: f=DC~55KHz... - Page 12 MADE IN KOREA...
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