Hafler HA75-DAC User Manual Download Page 1 | Manualshive

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HA75-DAC

U s e r G u i d e

USB Digital Audio Converter
& Headphone Amp

Hafler is a division of Radial Engineering Ltd.

1588 Kebet Way, Port Coquitlam

BC, Canada V3C 5M5

(604) 942-1001 [email protected]

www.hafler.com

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Summary of Contents for HA75-DAC

Page 1: ...DAC U s e r G u i d e USB Digital Audio Converter Headphone Amp Hafler is a division of Radial Engineering Ltd 1588 Kebet Way Port Coquitlam BC Canada V3C 5M5 604 942 1001 info hafler com www hafler...

Page 2: ...le features to further enhance the listening experience This manual has been written in order to provide you with all of the details so that you may take full advantage of these extra features As such...

Page 3: ...tube socket will remain present for some time after switching the HA75 DAC off There are no user serviceable parts inside Only use indoors in a dry space Do not open unless you are a qualified technic...

Page 4: ...eakers in a room 4 GAIN Used to adjust the volume for headphones 5 VOX Three position switch lets you enhance low frequencies to suit the listening level and program material 6 LOAD IMPEDANCE SELECTOR...

Page 5: ...5 DAC tube circuitry 11 USB INPUT Type B USB input to receive digital audio from a laptop 12 RCA INPUT Unbalanced inputs for any hi fi system Standard RCA connectors 13 ANALOG SELECT Switches between...

Page 6: ...ecognized as an output device Please visit www hafler com to download the latest drivers and for installation instructions You can switch between the analog and the digital inputs at any time with the...

Page 7: ...RU outputs are un buffered and function as a simple pass through VOX or FOCUS will have no effect The TUBE OUT delivers the signal after it has been processed by the HA75 DAC This can be used to posit...

Page 8: ...e HA75 DAC to select the active input and control the levels Plug in your headphones and then turn up the source audio system to a low level Slowly increase the level on the HA75 DAC using the volume...

Page 9: ...st match your specific model of headphones We recommend starting at 20 Ohms and letting your ears be the judge as you try out the other impedance settings You will notice that some settings will be lo...

Page 10: ...away from the artist s intended mix The solution is the Focus control This is an active matrix that mixes a mono blend of the two channels back into the stereo image This control is much more precise...

Page 11: ...e have extended high frequencies others so much bass they can cause your head to spin Another problem is listening to music that may have been recorded in the 1960 s or 70 s that may lack bass Set the...

Page 12: ...risk of loss or damage A copy of the original invoice showing date of purchase and the dealer name must accompany any request for work to be performed under this limited and transferable warranty Thi...

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