Musical Fidelity M1HPA Specifications Page 8
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HEADPHONE
I
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I
AMPLIFIER
LrIllJ
OPERATION
Mac
users-
Check the computer has picked up the device and
is currently using it by clicking: (MAC
as X)
- System preferences
- Hardware
- Sound
Check that "USB audio DAC" is selected under the
OUTPUT tab.
If the computer's warning sounds/chimes are to
played through the unit, make sure it is selected
under the
SOUND EFFECTS tab too.
Note: USB may also be selected as an output in
some individual programs.
LINE
input
This input accepts LINE level (nominally anything between 0.03V-3V RMS) signals from any hi-fi source. It may
be connected directly to the stereo outputs
of
a CD player, DVD, Tape, Minidisk, and TV
or
similar. Signals from
a normal turntable with moving coil or moving magnet cartridge, (and no
internal amplification), will need a
PHONO preamplifierconnected before the
M1
HPA.
Alternatively, it may be used to add headphone output to an existing integrated
or
pre-power amplifier setup.
To do this, simply identify the LINE outputs from the integrated or preamplifier. These are used for TAPE
RECORDING, and usually labeled TAPE OUT, TAPE REC or similar. Simply connect these outputs to the
M1
HPA LINE IN sockets.
If
you had anything originally connected to the TAPE OUT or REC OUT sockets,
reconnect it to the LINE OUT sockets
on
the
M1
HPA. See LINE
output
section below.
To use the LINE input. move the input select switch
on
the front panel to the LINE position (down).
USB
input
To use the USB input, move the input select switch on the front panel to the USB position (up).
Plug in one or two pairs
of
headphones and adjust the volume control for comfortable listening.
LINE
output
The LINE OUT sockets pass on the LINE INPUT totally unaffected. They are in fact directly connected to the
LINE INPUT RCA sockets to allow reconnection
of
a recording device (if the M1HPA is using the TAPE REC
output
of
an Integrated/Pre-Amplifier).
Note: volume control has no effect on LINE
OUT
levels,
and
USB source is not available on LINE
OUT
sockets
PRE
output
The PRE OUT sockets give an output that is affected by volume control. They are in fact directly connected to
the output JACK sockets to allow connection
of
a power amplifier. This allows the
M1
HPA to be used as a
preamplifier with one line, and one USB input. When used as a preamplifier, any unused headphones should be
disconnected from the unit.
The USB input source may be selected for the PRE OUT sockets by selecting USB
on
the front panel switch.
The
M1
HPA is a self contained unit. Therefore it does not mute the speakers
in
a system (even
if
using the unit
as a preamplifier).
If
listening through headphones
on
a system with speakers, please turn down the speakers
using the system volume control,
or
switch off the power amplifiers.
It
is
recommended
in such a setup to switch on the power amplifiers AFTER switching on the HPA, and to
switch off the power amplifiers BEFORE switching off the M1 HPA.
Computer
settings
for
USB
A good quality USB A to B cable
is
required to connect the unit to the computer.
Plug the B (square) end into the socket
in
the back
of
the unit, and the A (rectangle) end into a free USB socket
on the computer.
The computer should now detect the new hardware and install a generic driver automatically (No setup or driver
disk should be required).
CD, MP3, WAV, AAC, FLAC, and all other audio file types played on any software should now play through the
unit. This device has been designed to work with PC Windows
98, ME, 2000, XP, Vista and
7,
as well as Apple
Macintosh
as
x,
Snow Leopard and later.
PC
users-
Check the computer has picked up the device and
is currently using it by clicking: (most Windows
versions)
- Start
- Settings
- Control panel
- Sounds and Multimedia
- Audio
Check that "USB audio device" appears under
PREFERRED AUDIO DEVICE tab
A second mixer will now be available which will be
the default mixer whenever the unit
is
plugged in.
Use this mixer to select the source
or
adjust levels
if
required.
Please note: This device is a high speed serial data processor,
and
by
its nature, requires a very high volume
of
USB
band
width. It will benefit greatly from being the only device connected on its USB 'bus'. Sharing the same
bus with other devices
may
cause unwanted artifacts such as dropouts
or
temporary loss
of
signal. This
especially includes the use
of
the unit on a USB hub/splitter alongside other USB components
M1
HPA issue 2
MUSICAL
FIDELITY
Page 8
of
11
- HEADPHONE 1
- AMPLIFIER 1
- LfULrLilJ 2
- SAFETY INFORMATION 3
- --. 4
- "'---1 4
- ITEM DISPOSAL INFORMATION 5
- INSTALLATION 6
- Lr'UlJ 7
- OPERATION 8
- PROBLEMS? 9
- SPECIFICATIONS 10
- MANUAL HISTORY 11
- FIDELITY 13
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