Table of Contents
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8288988000
(565643)
Owner's Manual
HP-A4
2-ch DAC & Headphone Amplifier
<Note>:
If you connect the HP-A4 to a Windows computer via USB, you
must install the dedicated USB Audio Class 2.0 driver which can
be downloaded from the Fostex website (www.fostex.com).
If you use a Mac computer, you do not need to download a driver.
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Summary of Contents for Fostex HP-A4
- Page 1 HP-A4 2-ch DAC & Headphone Amplifier <Note>: If you connect the HP-A4 to a Windows computer via USB, you must install the dedicated USB Audio Class 2.0 driver which can be downloaded from the Fostex website (www.fostex.com). If you use a Mac computer, you do not need to download a driver.
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Page 2: Safety Instructions
FCC and turning the equipment off and on, the user is encour- ICES-003 requirements. Changes or modifications not expressly approved by Fostex Company for compli- aged to correct the interference by one or more of the following measures: ance could void the user’... -
Page 3: Table Of Contents
Table of contents Overview The Fostex HP-A4 is the high performance DA con- Safety instructions ....E-2 verter with a headphone amplifier. FCC (U.S.A.) & ICES-003 The unit receives a digital audio signal from the (Canada) Information . -
Page 4: Names And Functions
This indicator is illuminated in green when the unit plays back DSD audio. ❺ Volume control knob Adjusts the analog output level of [PHONES] and [OUTPUT] connectors. (See “HP-A4 settings” on page E-8.) ❻ [INPUT SEL] switch ❻ ❼ ❽... - Page 5 ⓮ [microSD] slot <Note>:You can adjust the audio output level from the [OUTPUT] connectors using the vol- When you upgrade the HP-A4 software in the fu- ume control knob. ture, insert a microSDHC card that contains a soft- ware upgrade file to this slot.
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Page 6: Computer Connection And Settings
USB Audio Class 2.0 driver must be installed to the computer. The following describes how to set the HP-A4 as You can download the driver software from the the device for sound output of a computer for each Fostex website (www.fostex.com). -
Page 7: Detail Settings For Sound
The “Audio MIDI setting” utility in the Utility folder in the Application folder allows you to select the sampling rate and bit rate. 3) Select “FOSTEX USB AUDIO HP-A4” in the list box. • Windows 7 Clicking the “Property” button on the “Sound” win- •... -
Page 8: Hp-A4 Settings
At the “2” position, a digital filter with low cut-off volume using the volume control knob of the frequency is applied. HP-A4.Note that, with Mac OS, the sound output level is fixed to the maximum. • The volume control knob does not affect the [GAIN SEL] switch setting output level of the [DIGITAL OUT] connector. -
Page 9: Connection Example
Connection example Audio Headphones Computer amplifier player amplifier <Note>:When a PCM source is input, the [DIGITAL OUT] connector directly outputs the input signal. * When a DSD source is input, no signal is output from the [DIGITAL OUT] connector. Specifications •... -
Page 10: Declaration Of Ec Directive
In the electrical fast transient/burst requirements, surge, conducted disturbances by radio-frequency fields, power frequency magnetic field, radiate electromagnetic field requirements and static electricity discharging environment, this could be affected by generation of noise in some cases. FOSTEX DISTRIBUTORS LIST IN EUROPE * Including non-EU countries (as of September 2013) <AUSTRIA>...
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