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Summary of Contents for Luxman P-750u
- Page 1 HEADPHONE AMPLIFIER P-750u Owner`s Manual...
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Page 3: Table Of Contents
HEADPHONE AMPLIFIER P-750u Contents Precautions ············································································································· 1 Features of This Unit ································································································ 3 Names and Functions ······························································································ 5 Connections ············································································································ 9 Block Diagram ······································································································· 11 Specifications ········································································································ 12 Before Asking for Repair Service ············································································ 13... -
Page 4: Precautions
Precautions Installation place Protection circuit Install this unit in a location where good ventilation and heat This product is equipped with a protection circuit that is ac- radiation are assured. Especially, the installation of this unit tivated upon the detection of overcurrent, abnormally high where the direct sunlight is present, where the temperature temperature, and DC output to protect the amplifier and rises excessively high such as close to a heater, or where it... - Page 5 HEADPHONE AMPLIFIER P-750u Repair and adjustment When repairs or adjustments are needed, please ask the dealer where you bought the unit. Cleaning For cleaning, use a piece of soft cloth to wipe the unit such as cleaning cloth. When the dirt is hard to remove, use a small amount of neutral detergent to wipe, and then wipe the unit with dry cloth.
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Page 6: Features Of This Unit
LECUA equipped volume control A high sound quality selector relay is used to enhance separation and crosstalk performance, a key point of any This product features LECUA, which stands for LUXMAN LUXMAN amplifier. Electronically Controlled Ultimate Attenuator. This is a com-... - Page 7 • LUXMAN's approach to balanced headphone operation is to drive normal phase (HOT) and reversed phase (COLD) with independent amplifier circuits for each of the left and right channels. Small, low level signals up to high, large level signals are driven powerfully without current flowing into the ground wire.
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Page 8: Names And Functions
Set to on, this switch enables the direct through output If this indicator continues to blink after resolving the fault, connection and the orange indicator will light up. Selecting please contact your country's official LUXMAN distributor off disconnects the signal to the through output. for a repair or service. - Page 9 HEADPHONE AMPLIFIER P-750u 5. Unbalanced headphone jack socket 9. Sensitivity selector switch (PHONES-1) (SENSITIVITY) This socket accepts a standard 1/4 inch stereo headphone This control can select between HIGH, MID and LOW in ac- jack plug. Use headphones with an impedance of 8Ω or cordance with the efficiency of the headphones being used.
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Page 10: Rear Panel
Names and Functions Rear panel 12. Balanced input connections - INPUTS 14. Unbalanced line input connections - (BAL LINE-1, BAL LINE-2) INPUTS (LINE) These four XLR input terminals are for two line level bal- These two RCA line input terminals are for an unbalanced anced stereo inputs. - Page 11 If the system is normal, the memory is reset and the system will be activated in a factory default state. If the abnormality persists, power off the unit and please contact your country's official LUXMAN distribu- tor for a repair or service. Factory default...
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Page 12: Connections
Connections CONTROL AMP SPEAKER SYSTEM POWER AMP CONTROL AMP CD PLAYER SACD PLAYER USB D/A CONVERTER PC / Mac HEADPHONE (UNBAL) HEADPHONE (BAL) 3-pin XLR type 4-pin XLR type... -
Page 13: Before Connecting
HEADPHONE AMPLIFIER P-750u Before connecting How to connect unbalanced headphones Before connecting this unit to any other input/output devic- With the volume control turned fully counter-clockwise to set es, ensure that the IEC connector of the supplied AC power the volume level to zero, insert the 1/4 inch stereo jack plug... -
Page 14: Block Diagram
Block Diagram... -
Page 15: Specifications
Specifications HEADPHONE AMPLIFIER P-750u Rated output UNBAL : 4 W + 4 W (8 Ω), 1 W + 1 W (32 Ω) : 8 W + 8 W (16 Ω), 4 W + 4 W (32 Ω) [UNBAL: PHONES-1 output, BAL: PHONES-2 output, PHONES-3 output,] Input sensitivity LINE →... -
Page 16: Before Asking For Repair Service
While in use, this unit may display phenomena which may be confused as malfunctions. Before contacting your country's official LUXMAN distributor for repair services, please read the operating instructions and operating instructions for any connected input and through output devices and check the troubleshooting table below. If the cause of the malfunction cannot be identified, please con- tact your dealer. - Page 17 MEMO HEADPHONE AMPLIFIER P-750u...
- Page 18 MEMO...
- Page 20 LUXMAN CORPORATION, JAPAN AG00987E68A 1-3-1 Shinyokohama, Kouhoku-ku, Yokohama-shi, Kanagawa 222-0033, Japan Printed in Japan...
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