Connection Example; Hp-A3 Settings; [Input Sel] Switch Setting; [Output Sel] Switch Setting - Fostex HP-A3 Owner's Manual

Connection example

Headphones
Audio Digital
amplifier recorder
<Note>:The [DIGITAL OUTPUT] connector di-
rectly outputs the input digital signal. Therefore,
the sampling rate of the external digital device
connected to the [DIGITAL OUTPUT] connector
must match the sampling rate of the input sig-
nal of the HP-A3.
• USB connector
• Maximum bit rate/sampling frequency:
24 bits/96 kHz
• Interface: USB full-speed
• DIGITAL INPUT connector
• Connector type: TOSLINK optical
• Format: S/PDIF (32 kHz to 96 kHz)
Outputs
• PHONES connector
• Connector type: 1/4-inch stereo jack
• Maximum output: 100mW(32 ohms load)
: 20mW(300 ohms load)
• Applicable load impedance:
16 ohms or more
• THD: 0.04 % or less
(at 1 kHz, 32 ohm load,100 mW output)
• Frequency response: 20 Hz to 20 kHz,
+/− 0.3 dB (at 32 ohm load, 100 mW output)
CD
Computer
player
Inputs

[INPUT SEL] switch setting

• To monitor a signal from your computer, set this
switch to "USB".
• To monitor a signal from an external audio de-
vice, set this switch to "OPTICAL".

[OUTPUT SEL] switch setting

• To monitor a signal via headphones, set this
switch to "PHONES".
• To monitor a signal via an amplifier/speaker sys-
tem, set this switch to "RCA".
Use the [VOLUME] control to adjust the sound vol-
ume. The [VOLUME] control affects both the output
levels of the [PHONES] and [ANALOG OUTPUT]
connectors.
<Memo>:
To get the optimum sound quality, it is recom-
mended to set the sound output volume of your
computer to maximum and adjust the volume
using the [VOLUME] control of the HP-A3.

Specifications

• ANALOG OUTPUT (L, R) connectors
• Connector type: RCA pin jack
• Nominal output level: -10 dBV
• Applicable load impedance: 10 kohms
• THD: 0.01 % or less (at 1 kHz)
• Frequency response: 20 Hz to 20 kHz,
+/− 0.3 dB (at nominal level)
• DIGITAL OUTPUT connector
• Connector type: TOSLINK optical
• Format: S/PDIF (32 kHz to 96 kHz)
• Supplied accessories: rubber feet (x 4), USB
cable (x 1), Owner's manual (x 1)
• Power requirement: DC 5V (supplied from the
USB port)
• Power consumption: 2.5 W
• External dimensions: 108 (W) x 36 (H, excluding
rubber feet) x 140 (D, including protrusions) mm
• Weight: 450 g
* Specifications and appearance are subject to
change without notice for product improvement.
E-7

HP-A3 settings

Volume setting

General