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Table of Contents
Related Manuals for Luxman C-900u
Summary of Contents for Luxman C-900u
- Page 1 CONTROL AMPLIFIER C-900u Owner`s Manual...
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Page 2: Table Of Contents
Contents Precautions ············································································································· 1 Features of This Unit ································································································ 2 Names and Functions ······························································································ 4 Connections ·········································································································· 12 Operations ············································································································· 18 How to use Remote Control ·················································································· 20 Block Diagram ······································································································· 27 Specifications ········································································································ 30 Before Asking for Repair Services ·········································································· 31... -
Page 3: Precautions
Precautions CONTROL AMPLIFIER C-900u Installation place Batteries Install this unit in a location where good ventilation and heat Caution: radiation is assured. Batteries used for remote controller shall not be exposed to Especially, installation of this unit where direct sunlight is excessive heat such as sunshine, fire or the like. -
Page 4: Features Of This Unit
Features of This Unit LECUA1000 — LUXMAN Electric High-inertia power supply Controlled Ultimate Attenuator 1000 High-inertia power supply circuit that combines a large-ca- pacity OI-core-type power transformer with customizable Application of the system to obtain attenuation by combining 3,300μF × 4 capacitor blocks. - Page 5 AV amplifier. Input/output terminals Selector relay RCA terminal made of copper alloy and XLR terminal manu- factured by Neutrik. Selector relay with high sound quality used in the key point of Luxman amplifier, which enhances the separation and cross- talk performances.
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Page 6: Names And Functions
Names and Functions Front panel 1. Operation switch (OPERATION) 4. Display window Turns this unit from the standby state to operation state. Displays the operation status of this unit. When the main power switch on the rear panel is turned on This display window is composed of 8 indicators, input dis- to set this unit to the standby state and this switch is turned play, and volume display. - Page 7 CONTROL AMPLIFIER C-900u 6. External pre switch (EXT PRE) 7. Output mode selection switch (OUTPUT MODE) Input selector switch to select the external pre-input termi- nal (EXT PRE) on the rear panel Selects an output mode from the following 3 kinds: unbal-...
- Page 8 Names and Functions Front panel 10. Tone control for treble 12. Line straight switch (LINE STRAIGHT) TONE CONTROL (TREBLE) This switch is used to increase the purity of the sound qual- ity by bypassing (skipping) the tone control circuit. Controls the frequency characteristics in the high-frequency Every time this switch is pressed, line straight setting tog- range.
- Page 9 CONTROL AMPLIFIER C-900u...
- Page 10 Names and Functions Display window 1. Input indicator (IN:) 5. Standby indicator (STAND BY) Displays the input terminal selected with the input selector Lights up when the main power switch on the rear panel is or remote control. turned on and the operation switch is turned off. When the operation switch is turned on or when the main 2.
- Page 11 CONTROL AMPLIFIER C-900u 8. Bi-amplifier indicator (BI-AMP) 11. Line straight indicator (LINE STRAIGHT) Lights up when the bi-amplifier output is selected for the Lights up when the line straight switch is set to ON. output mode. When the line straight switch is set to ON, the loudness 9.
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Page 12: Rear Panel
Names and Functions Rear panel 1. Unbalanced input terminals/INPUTS 3. External pre-input terminal (LINE-1, LINE-2, LINE-3) (EXT PRE IN) RCA input terminals to receive unbalanced audio signals of RCA input terminal to receive output signals from an exter- a line level nal pre-amplifier or an AV amplifier Connect these terminals to an unbalanced output of an in- Incoming audio signals are provided directly from the unbal-... - Page 13 CONTROL AMPLIFIER C-900u 5. Main power switch (MAIN POWER) 8. Signal ground (ground terminal) (SIGNAL GROUND) Turns this unit to the standby state. When this switch is set to ON, the standby indicator on the Is a ground terminal for devices to be connected to this unit.
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Page 14: Connections
Connections Normal stereophonic reproduction CD/SACD PLAYER CD/SACD PLAYER CD/SACD PLAYER REMOTE REMOTE POWER AMP 1 POWER AMP 2 SPEAKER SYSTEM 1 SPEAKER SYSTEM 2... -
Page 15: Before Connecting
Connect between the remote input terminal of a power ampli- At this moment, exercise extra care not to conduct wrong fier such as Luxman M-900u and the remote output terminal connection between the right and left channels. If the right... - Page 16 Connections Bi-amplifier stereophonic reproduction CD/SACD PLAYER CD/SACD PLAYER CD/SACD PLAYER L-LOW R-LOW L-HIGH R-HIGH REMOTE REMOTE POWER AMP POWER AMP HIGH SPEAKER SYSTEM...
- Page 17 Connect between the remote input terminal of a power ampli- input devices such as a CD player fier such as Luxman M-900u and the remote output terminal of this unit with the dedicated remote cable (no polarity) sup- When the output mode is set to the bi-amplifier output, only plied with the power amplifier.
- Page 18 Connections External pre reproduction AV AMP/PRE AMP REMOTE REMOTE POWER AMP 1 POWER AMP 2 SPEAKER SYSTEM 1 SPEAKER SYSTEM 2...
- Page 19 CONTROL AMPLIFIER C-900u External pre reproduction Connection between external pre-input terminal and input devices such as an AV amplifier When this unit is used through the external pre-input, only the unbalanced output terminal is active as an output terminal of this unit and no sound comes from the balanced output terminal.
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Page 20: Operations
Operations Before operation How to operate the tone control 1. Ensure that the connections are correctly performed. This unit has the tone control function for the low-frequency (Normal playback cannot be achieved with wrong con- and high-frequency ranges. nections of R and L.) The low-frequency range type works in the 300 Hz or lower. - Page 21 CONTROL AMPLIFIER C-900u Memory Inhibition and caution This unit memorizes the following items when the operation When a setting cannot be changed, an error message as fol- switch is set to OFF or the main power switch is set to OFF:...
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Page 22: How To Use Remote Control
How to use Remote Control Remote controller (RA-20) 1. Operation switch (OPERATION) 2. Input selector (LINE-1, LINE-2, LINE-3, BAL-1, BAL-2, Turns this unit from the standby state to operation state. BAL-3) When the main power switch on the rear panel is turned on to set this unit to the standby state and this switch is turned Selects the unbalanced input terminal or balanced input ter- on, this unit is set to the operation state. -
Page 23: Output Mode
CONTROL AMPLIFIER C-900u 3. Output mode selection switch 5. External pre switch (EXTERNAL PRE) (OUTPUT MODE) Input selector switch to select the external pre-input termi- nal (EXT PRE) on the rear panel Selects an output mode from the following 3 kinds: unbal-... - Page 24 How to use Remote Control Remote controller (RA-20) 9. Preset switch (PRESET) (1) Press the PRESET switch to turn this unit to the preset Enter switch (ENTER) mode, and BAL PHASE blinks. (1st line of Fig. 1) Determines adjustments or setting values. If the balanced phase is not changed, press the PRE- ▲...
- Page 25 CONTROL AMPLIFIER C-900u (4) Press the ENTER switch to determine the changed set- Press the PRESET switch to exit from the preset mode. ting of BAL LINE-1, 3+ and 2- of BAL-2 blink to show Pressing the PRESET switch allows the setting to be...
- Page 26 How to use Remote Control Remote controller (RA-20) Bi-amplifier output mode/BI-AMP ▼ Pressing decreases the sound volume of the L-Hi presetting channel in steps of 1 dB. Adjustable range: ±6 dB (1) Press the PRESET switch when the output mode is ▼...
- Page 27 CONTROL AMPLIFIER C-900u (6) Press the ENTER switch to set the step back to the 10. Loudness switch (LOUDNESS) step (2) to enable the L-Hi channel adjustment again. Psychoacoustically compensates the frequency character- istics when the volume control is set to -16 dB or less.
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Page 28: Remote Control
How to use Remote Control Remote control The remote control shall be aimed at the remote sensor of this unit within the specified angle range shown in the illus- tration when used. 30° 30° Effective distance: approx. 5 m Dry cell [How to load dry cells] 1. -
Page 29: Block Diagram
Block Diagram CONTROL AMPLIFIER C-900u... - Page 30 Block Diagram...
- Page 31 CONTROL AMPLIFIER C-900u RECTIFIER RECTIFIER RECTIFIER...
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Page 32: Specifications
Specifications Input sensitivity LINE : 255 mV / 1 V output, 1 kHz, load 50 kΩ BAL LINE : 255 mV / 1 V output, 1 kHz, load 100 kΩ LINE → BAL LINE : 260 mV / 1 V output, 1 kHz, load 100 kΩ BAL LINE →... -
Page 33: Before Asking For Repair Services
Before Asking for Repair Services CONTROL AMPLIFIER C-900u While the unit is used, an unusual phenomenon may be confused as a malfunction for a certain reason. Prior to asking us for repair services, please check the table below and read the instruction manual for the subsidiary devices. If the cause of the malfunction can- not be identified, please contact your dealer. - Page 34 Before Asking for Repair Services Problem Cause Solution The loudness function does not · The line straight switch is set to ON. · Set the line straight switch to OFF. work. The external pre switch does · To prevent malfunction, holding down for ·...
- Page 36 LUXMAN CORPORATION, JAPAN AG00987E23A Printed in China...