ADL GT40 USB DAC
Contents
1. Line switch while the GT40 power is powered on This may damage speakers Note During Recording To monitor while recording the GT40 must be connected to the preamp via the Analog Line Outputs 19 ADL GT40 USB DAC Basic Settings Windows XP Computer settings A few simple steps are required to record from the Line Level Inputs Computer Requirements Hardware One USB 2 0 port Operating System Windows XP or higher Mac OS10 or higher Connections Connect the GT40 to the computer with a USB cable and power on the GT40 The computer will automatically recognize and install the GT40 System Settings for Recording at 16bit 44 1kHz In Control Panel choose Sounds and Audio Devices The GT40 USB DAC should be selected as the Default Sound Device Below are screenshots of the various settings FA ane il key boi Piopi ia gl Wi Samurai EF oar Hania 2 ADL Gatch Ua AGS ive vow J Lev th ie F Place mmm rm ki e miba Yr Volume Tab Mr Ensure Volume is setto high iaa pee sang beina ha change nyi a ree a oe Choose the Advanced button to choose stereo mono or surround mode Sones cone di Deyo Fieger tins FIR OET Baris ats oar Ha 7 AD GAD Lea DAG o Wamm A 3 Dia dirla A C vam eee ee Audio Tab D Sea J Ensure ADL GT40 USB DAC is the Default Sound Playback Device mm a Ensure ADL GT40 USB DAC is selected as the Default Sound C se nyd2. to 100 Advanced Tab Ensure the sample rate and bit depth is set to either 2 channel 16bit 44 1kHz Recording Quality System Settings for Recording at 24bit 96kHz Double Click the Line Input for Line Properties Levels Tab Ensure Levels are set to 100 Advanced Tab Ensure the sample rate and bit depth is set to 2 channel 24bit 96kKHz 23 ADL GT40 USB DAC MAC OS o D Computer settings A few simple steps are required to record from the Line Level Inputs Computer Requirements Hardware One USB 2 0 port Operating System Windows XP or higher Mac OS10 or higher Connections Connect the GT40 to the computer with a USB cable and power on the GT40 The computer will automatically recognize and install the GT40 Note Do not set the bit and sample rates on the MAC OS MIDI application to 24bit 96kHz Only set bit and Sample rates to 24bit 96kHz on recording software Sound Effects Output Input Select a device for sound output Narre lyve imernal Speakers Built in FPO TV HDMI ADL CT 40 USB DAC uss Settings for the selected device Balance a Sound Output Ensure the ADL GT40 Is enabled and set Output Output volume a Q AY Owe volume to maximum Show volume In menu bar Sound Effects COuhnut input Select a dewice for sound input HN Te TH Una bei Audio ling in port ADL CT40 HB DAC USE Settings for the selected device input volume Sound Input Ensure
3. Co Ltd tokyo JAPAN T 141 0031 7 11 1 TEL 03 5437 0281 FAX 03 5437 8470 7 11 1 Nishi Gotanda Shinagawa ku Tokyo 141 0031 Japan www adl av com e mail service adl av com
4. DLL TET by FURUTECH User manual ADL GT40 USB DAC IMPORTANT SAFETY INSTRUCTIONS WHEN USING YOUR GT40 USB DAC PRECAUTIONS SHOULD ALWAYS BE FOLLOWED INCLUDING THE FOLLOWING Read all instructions Operate GT 40 for its intended purpose only To reduce the risks of electric shock do not immerse the unit in water or other liquids gt W N e Never pull power cord to disconnect unit from wall outlet Instead grasp AC adaptor and pull to disconnect 5 Do not allow power cord to touch hot surfaces 6 Do not operate unit with a damaged power cord or if the unit has been dropped or damaged To reduce the risk of electric shock do not disassemble or attempt to repair the GT 40 take it to a qualified service technician for examination and repair Incorrect reassembly or repair could cause a risk of fire electric shock or injury when the GT40 is used SAVE THESE INSTRUCTIONS A WARNING Misuse of electrical equipment displaying this mark may cause serious injury A CAUTION Misuse of electrical equipment displaying this mark may be deadly Modifications CAUTION DO NOT SUBSTITUTE PARTS OR MAKE ANY MODIFICATIONS WITHOUT THE WRIT TEN APPROVAL OF FURUTECH CO LTD MODIFICATION MAY CREATE SAFETY HAZARDS AND VOID THE WARRANTY NOTICE CHANGES OR MODIFICATIONS NOT EXPRESSLY APPROVED BY FURUTECH CO LTD COULD VOID THE USER S AUTHORITY TO OPERATE THE EQUIPMENT UNDER FCC REGULA TIONS Repairs CAUTION DO
5. NOT SERVICE OR REPAIR THIS PRODUCT UNLESS PROPERLY QUALIFIED ONLY A QUALIFIED TECHNICIAN SHOULD PERFORM REPAIRS 15 ADL GT40 USB DAC Alpha Design Labs 24bit 96kHz GT40 USB DAC with Phono Stage The GT40 Harmonizes Computer Files and Analog Inputs The GT40 is finally here built for enthusiasts with growing music collections on their computer hard drives It s a high performance 24bit 96kHz USB DAC that s amazingly affordable Looking to convert your LPs or other analog sources to digital The GT40 will take you to the podium with every album you archive The seriously shielded audiophile grade GT40 features a low latency USB 2 0 audio driver that plays and records at 96kHz A likely first for this category the GT40 includes a built in low noise MM MC phono preamp Record your favorite vinyl to hard disk via the USB output The ADL GT40 features L R analog outputs and switchable line or phono inputs with a vivid Captivating sound that is simply unheard of in this category The ADL GT40 wired with Furutech s GT2 or ADL S Formula 2 USB cable of course brings Furutech s signature sound smooth detailed clarity to desktop systems especially with high resolution 24bit 96kHz files but even 16bit 44 1kHz files sound impeccable and very musical Features e High performance 24bit 96kHz USB DAC and ADC IC chip e Enjoy audio in high resolution at 24bit 96kHz surpassing conventional 16bit 44 1kHz Standards e incorporates th
6. correct voltage or contrary to operating instructions or to accidental damage whether in transit or otherwise misuse neglect or inexpert repair or incorrect installation This guarantee card does not cover accessories belonging to the product No alteration of this guarantee card will be allowed For service enquires please call your local dealer or distributor Important notice for free repair service please keep this guarantee card and the invoice in a safe place Please fill out and return to Furutech s local dealer ADL GT40 USB DAC TT Store where purchased E mail Address FURUTECH Co Ltd rokyo Japan 7 11 1 Nishi Gotanda Shinagawa ku Tokyo 141 0031 Japan TEL 03 5437 0281 FAX 03 5437 8470 www adl av com e mail service adl av com 26 1 ADL GT40 USB DAC E FURUTECH Co Ltd toxyo sapan 141 0031 7 11 1 TEL03 5437 0281 FAX 03 5437 8470 www adl av com e mail service adl av com 27 NDL PAA D SIGN LASS FURUTECH
7. e most trusted driver in professional audio for 96kHz recording and playback External power supply while a USB powered device might be convenient it wont develop the power required for high resolution playback so we designed the GT40 with an external power supply to solve the problem Headphone Amplifier The GT40 contains a high performance headphone amplifier with ample drive for good headphones e Analog to Digital Converter The GT40 sports a high performance ADC IC chip for high resolution recordings via analog inputs including phono AM FM radio or other analog Signals Phono Preamplifier A first for this class the GT40 features a phono equalizer for recording your precious LPs Switch between Moving Magnet MM and Moving Coil MC or Line input Highest Quality Parts The GT40 features a high quality amplifier and capacitors supporting its high performance analog circuit High End Audio Grade Connection The GT40 is equipped with gold plated Teflon insulated RCA jacks with an extremely high quality aluminum chassis and machined volume knob 16 User manual contents Functions and Partnames 5 18 Front Panel Rear Panel 19 ADL GT 40 Connectivity mmr Connection and settings PC requirements Basic settings Windows XP 20 Windows 7 22 MAC OS 888 24 Specifications 25 Warranyrr rr 26 Please read carefully and fo
8. eceive signal from the computer D Phono Line Level L R RCA Analog Inputs Connect to external analog sources Phono Line Level L R RCA Analog Outputs Connect to L R amplifier inputs Earth Ground Terminal Connect Phono cable ground wire to reduce noise AC Input Connect GT40 AC Adaptor Rating AC 9V 0 5A 18 ADL GT 40 Connectivity Playback of digital files stored ona PC via Line Out PC gt USB cable gt GT 40 gt Analog Line Out gt Preamp Notes USB button on the front panel must be in the USB setting Recording from an LP to PC hard drive Turntable gt Phono Cable gt GT 40 Analog MM MC Line In gt USB Cable gt PC Note USB button on the front panel must be in the Phono Line setting and the MM MC Line switch on the rear panel must be switched to the appropriate cartridge setting either Moving Coil or Moving Magnet Caution Do not Switch between settings on the MM MC Line switch while the GT40 power is powered on This may damage Speakers Note During Recording To monitor while recording the GT40 must be connected to the preamp via the Analog Line Outputs Recording from an Analog Source other than a Turntable to PC hard drive Analog Source gt Line Cable gt GT40 Analog Line or Phono MM MC In gt USB Cable gt PC Note USB button on the front panel must be in the Phono Line setting and the MM MC Line switch on the rear panel must be switched to Line Caution Do not switch between settings on the MM MC
9. ee Recording Device ok ee 20 Sounds and Audio Devices Properties Volume Sounds Audio Voice Hardware These settings control volume and advanced options for the voice playback or recording device you selected Voice playback P Default device ADL GT40 USB DAC x Voice recording Default device A ADL GT40 USB DAC J Options Help Speaker Balance Balance Pv 4 Volume C Mute all ADL GT40 USB DAC Properties Mixer device ADLGT40 USB DAC Adjust volume for Playback Show the following volume controls Capture Voice Tab Ensure ADL GT40 USB DAC is selected as the Default Playback Device Right click on the Volume icon on the Task Bar and under Options select Properties Select ADL GT40 as the mixer device and check both Recording and Line Delete 21 ADL GT40 USB DAC Windt O D Computer settings A few simple steps are required to record from the Line Level Inputs Computer Requirements Hardware One USB 2 0 port Operating System Windows XP or higher Mac OS10 or higher Connections Connect the GT40 to the computer with a USB cable and power on the GT40 The computer will automatically recognize and install the GT 40 System Settings for Recording at 16bit 44 1kHz In Control Panel choose Sounds and Audio Devices Below are screenshots of the various settings Playback Tab Ensure
10. llow all instructions Keep this manual for future reference Important Note The GT40 has been designed as a USB DAC primarily for the playback of PC based digital audio and for the conversion and recording of analog signal via USB to your PC Included with the GT40 e User manual e AC Adaptor for use with GT40 only e USB cable x 1 17 ADL GT40 USB DAC Functions and Part names WE Front Panel ADL LP OBGIGN LABS GT40 USB DAC by FURUTECH Source Selection Switch DLULLTP Phono Line m USB Power bad GT40 uss 2 0 _ 24Bit 96KHz Audio Interface Power Switch Phono Line USB switch for switching between USB input or Phono Line input Headphone Jack ONO Volume Control 1 Playback volume control 2 Headphone volume control E Rear Panel wa Phono Line Ground Output Input e P Input Selection m Switch i Fhar USB 2 0 Full Speed compliant Audio Streaming Controller it w af gVAC W Ma UNE FURUTECH CO LTD www ad awcom senicegadi av com CE x 6 Phono MM MC and Line Switch Switches between analog inputs line or phono moving magnet cartridge and phono moving coil cartridge CAUTION Do not switch between settings during playback or while the GT40 is switched on Doing so may damage speakers USB Connector Hook to USB connector on your computer The Phono Line or USB selector switch on the front panel must be set to USB for the GT40 to r
11. the ADL GT40 is enabled Playback RecoedMmg Sounds Communications Select a playback device below to tidey its setings Speakers Headphones ML Otda UE Dar Wa rivet ATL HOM Output iy uli 7 ude pendent ATZ Headnhones j l i c ver Met eluga Finbarr Rrearding Sounds Communications Select a recording dewer below te modidy setings une t ADL OO VSA Dar Wa vet Recording Tab Ensure the GT40 s Line Level Inputs are se lected as the Default Recording Device Double Click the Line Input for Line Properties Levels Tab Ensure Levels are set to 100 22 FV Sound FTP Feemrmd sounds PTT LU RHEE Une Properties General Litter bevels Advanced etait Farmat Selec the ample raie and bet depth te be eed when running in hartd mide heey 1 bm 44199 Hs1CP uty Eu oe hinde w aliya appliononi bo mbe Ethusne control al thi dente Geet ET madi Bp iO pricey i Line Properties General Liten Leets Advanced Geta Pormat Select the rampie rate and bet Gepih te be wren when minning in Shared mode 3 JhamtL J bik BEKO lt Sader Cheat ciu oe hinde aliya ptms bo tabe exclusive contre al tha dente Cet biari mode apphcations pricey Recording Quality System Settings for Recording at 16bit 44 1kHz Double Click the Line Input for Line Properties Levels Tab Ensure Levels are set
12. the ADL GT40 is enabled and set Qutnut volame Input volume to maximum Ej Show volume In menu bar 24 Specifications m USB DAC amp analog playback and record multimedia device m Connectivity USB B type connector analog input outputs on RCAs m USB Playback Resolution 24bit 96kHz USB Recording Resolution 96kHz Max supports 32kHz 44 1kHz 48kHz m Frequency response 20Hz 20kHz 40Hz 0 5 dB 15kHz 0 5dB m SN ratio 90dB A wtd Line Output m Line Output Level 1 Vrms m Line Input Level MC 0 4mV MM 5mV Line 1V m Headphone Output Level 160mW 160hm Max 80mW 320hm Max 10mW 3000hm Max m Input Impedance 47k ohm MC MM 47k ohm Line Power Supply AC Adaptor Rating AC 9V 0 5A m Dimensions 150 W x 111 D x 57 H mm m Weight 785g Approx Furutech reserves the right to change product specifications without prior notice 29 ADL GT40 USB DAC LIMITED WARRANTY MODEL No GT40 USB DAC This product is made of high quality materials and great care has been taken in its manufacture It is designed to give good performance provided it is properly operated and maintained This product is sold subject to the understanding that if any defect in manufacture or material shall appear within 12 months from date of consumer sale Furutech will arrange for such defect to be rectified without charge provided that The defect is not due to use of the product for other than domestic purposes or on an in
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