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Summary of Contents for Luxman DA-250
- Page 1 USB D/A CONVERTER DA-250 Owner`s Manual...
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Page 3: Table Of Contents
USB D/A CONVERTER DA-250 Contents Precautions ············································································································· 1 Features of This Unit ································································································ 3 Names and Functions ······························································································ 5 Connections ·········································································································· 15 Operations ············································································································· 18 Block Diagram ······································································································· 20 Specifications ········································································································ 21 Before Asking for Repair Services ·········································································· 23... -
Page 4: Precautions
Precautions Installation place Turn off this unit when it is not used. • Choose a stable place near the devices that are to be Depending on the condition of radio waves emitted during used in combination with this unit. television broadcasting, interference fringes may appear on •... - Page 5 USB D/A CONVERTER DA-250 Cleaning Protection circuit • Usually, wipe the unit with a dry soft cloth. When the dirt This unit is equipped with a protection circuit that is activat- is hard to remove, dip soft cloth in detergent diluted 5 or...
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Page 6: Features Of This Unit
DD converter function For the DAC chip, this unit uses PCM1795 manufactured All the digital inputs including USB can be digitally output in by Burr-Brown that is used for the LUXMAN SACD player, the S/PDIF format. D-05u. AD converter function... - Page 7 USB D/A CONVERTER DA-250 LECUA (LUXMAN Electric Controlled 7-segment LED Ultimate Attenuator) The sampling frequency of the digital input and the select- ed input can be displayed on the monitor with 7-segment An electrically controlled attenuator LECUA, in which at- LEDs with a high level of visibility.
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Page 8: Names And Functions
Names and Functions Front panel 1. Operation switch (OPERATION) 4. Input selector display LED This switch turns on and off the power. Displays the input terminal selected with the input selector. When wiring or connection is performed, be sure to turn off The input terminals are shown as follows: this switch. - Page 9 USB D/A CONVERTER DA-250 9. Digital signal unlock indicator This LED indicates the current volume level in steps of 1 dB during sound volume adjustment. (UNLOCK) • "- - -" shows the mute state. No sound is generated. Lights up when a digital input is selected from USB/COAX/ •...
- Page 10 Names and Functions Rear panel 15 16 20 21 13. Analog balance output terminals (XLR) 15. Analog output level fix/variable selection switch (FIX/VARIABLE) XLR connector terminal to output balanced playback sig- nals from this unit. Sets the level of the playback signals from the analog output The phase can be changed with the analog output phase terminal to FIX or VARIABLE.
- Page 11 (USB/COAX/OPT 1/OPT 2) and When the OS is Windows, the dedicated driver software digital signals converted from analog input signals. needs to be downloaded from LUXMAN website and in- The input signals selected with the input selector are out- stalled.
- Page 12 Names and Functions Remote control 1. Digital filter selection switch (PCM) P-1 (normal FIR filter) This switch changes the interpolation function of the 32-bit digital filter while the PCM data is played back. Select a filter depending on your taste. The sound quality can be changed.
- Page 13 USB D/A CONVERTER DA-250 2. Analog FIR filter selection switch (DSD) d-1 (normal analog FIR filter) This switch changes the analog FIR filter while the DSD file is played back. Select a filter depending on your taste. The sound quality can be changed.
- Page 14 Names and Functions 3. Analog output phase selection switch [Normal Position] Indicates that the 3-Pin of the balanced output is positive. (PHASE) 1. GROUND The phases of the analog output on the rear panel and the 2. COLD (–) Set as PH, 3-P headphone output are inverted.
- Page 15 USB D/A CONVERTER DA-250 4. Enter switch (ENTER) 8. Headphone terminal sensitivity selector (SENS.) This switch is pressed to execute the set or selected items. Selects between HIGH and NORMAL in accordance to the 5. Volume control switches (VOLUME) efficiency of the headphones to be used.
- Page 16 Names and Functions Remote control The remote control shall be aimed at the remote control infrared receiver (R) of this unit within the specified angle range shown in the illustration below when used. 30° 30° Effective distance: approx. 5 meters Battery 1.
- Page 17 USB D/A CONVERTER DA-250...
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Page 18: Connections
Connections POWER AMP INTEGRATED AMP D/A CONVERTER (To the headphone jack on the front panel of this unit) ( F ) ( E ) ( G ) HEADPHONE CD PLAYER (with digital input terminals) ( G ) ( A ) PC／Mac ( B ) ( C ) - Page 19 USB D/A CONVERTER DA-250 Before Connecting Before connecting other devices, connect the jack side of the accessory power cable to the AC inlet of this unit. When connecting, turn off the power supply of this unit and the power supplies of auxiliary devices to prevent unex- pected accidents that may be caused by noise.
- Page 20 USB (B-type) terminal of this unit with a USB cable. (RCA) of this unit and the unbalanced input terminals of When the OS is Windows, the dedicated driver software needs to be downloaded from LUXMAN website and in- such device as an integrated amplifier with 2 RCA pin-plug cables.
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Page 21: Operations
Operations USB D/A CONVERTER DA-250 Sound playback of a device connected to This unit is a D/A converter. Any operations for sound play- back are performed by such input device as a PC/Mac or CD an analog input terminal (analog output) player connected to the input terminals. - Page 22 (RCA) of this unit are connected to the main in terminal (MAIN IN) of an integrated amplifier (such as LUXMAN L-505uX) that is equipped with the separate function, the pre-amplifier section can be used as a newly- designed pre-amplifier circuit.
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Page 23: Block Diagram
Block Diagram USB D/A CONVERTER DA-250... -
Page 24: Specifications
Specifications Format 2-channel, USB D/A converter +5 °C to +35 °C Ambient operating temperature Audio output Output voltage/output UNBALANCE terminal (RCA terminal) 2.5 Vrms/300 Ω characteristics impedance: BALANCE terminal (XLR terminal) 2.5 Vrms/600 Ω For DSD (Refer to page 10) 1.2 Vrms (d-1) 1.7 Vrms (d-2) PHONE terminal (Standard plug) 130 mW + 130 mW (600Ω) - Page 25 USB D/A CONVERTER DA-250 • Power switch • Input selector Attached functions Front panel • Input LED • Sampling frequency LED • PHASE INVERT indicator • SENSITIVITY HIGH indicator • FIX indicator • UNLOCK indicator • Sound volume • Headphone output terminal Rear panel •...
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Page 26: Before Asking For Repair Services
• Connect digital cables correctly. 15 - 17 volume is too low. (Digital input) • If the USB is selected as an input source, select this unit (DA-250) Refer to the in- as the output destination by configuring the sound setting of a PC/ struction manual of Mac. - Page 27 USB D/A CONVERTER DA-250 Problem Cause/Solution Ref. page An electronic device such as a • Some devices equipped with a wireless remote control receiver may television malfunctions. malfunction when the remote control of this unit is operated. Keep this unit away from such devices.
- Page 28 LUXMAN CORPORATION, JAPAN AG00987E47A Printed in Japan...
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