Thomann GmbH • Hans-Thomann-Straße 1 • 96138 Burgebrach • www.thomann.de • [email protected]
DocID: 537575_21.04.2022
Safety instructions
Intended use
This device is meant to be used to amplify analogue audio signals for playback with
headphones. Any other use or use under other operating conditions is considered to
be improper and may result in personal injury or property damage. No liability will be
assumed for damages resulting from improper use.
Danger for children
Ensure that plastic bags, packaging, etc. are disposed of properly and are
not within reach of babies and young children. Choking hazard! Ensure
that children do not detach any small parts from the product. They could
swallow the pieces and choke! Never let children unattended use electri-
cal devices.
Possible hearing damage
When headphones are connected, the device can produce volume that
may cause temporary or permanent hearing impairment. Do not operate
the device continuously at high volume. Turn down the volume immedia-
tely if background noise or hearing failure should occur.
External power supply
The device is powered by an external power supply. The voltage selector
sets the operating voltage. Before switching on the device, ensure that
the input voltage (AC outlet) matches the voltage rating of the device
and that the AC outlet is protected by a residual current circuit breaker.
Failure to do so could result in damage to the device and possibly injure
the user. Unplug the device before electrical storms occur and when it is
unused for long periods of time to reduce the risk of electric shock or fire.
Quick Start Guide
This quick start guide contains important information on the safe operation of the
product. Read and follow the safety advice and instructions given. Retain the quick
start guide for future reference. If you pass the product on to others please include
this quick start guide.
Possible staining
The plasticiser contained in the rubber feet of this product may possibly
react with the coating of your surface and after some time cause perma-
nent dark stains. In case of doubt, do not put the rubber feet directly on
the surface and use a suitable underlay if necessary, i.e. felt-pad floor pro-
tectors or similar.
Possible damage due to installation of a wrong fuse
The use of different types of fuses can cause serious damage to the unit.
Fire hazard! Only fuses of the same type may be used.
Where to use the product
Never use the product
• in conditions of extreme temperature or humidity
• in extremely dusty or dirty areas
• at locations where the unit can become wet
General handling
• To prevent damage, never use force when handling the product.
• Never immerse the product in water. Just wipe it with a clean dry cloth. Do not use
liquid cleaners such as benzene, thinners or flammable cleaning agents.
Keep foreign substances from the unit!
Keep the device away from containers with liquids. Should any liquid get into the
unit, this could lead to its destruction, fire or electric shock. Be sure not to let any
metal objects into the unit.
Connections and operating elements
EN
HA660 Headphone Amp
Features
• Studio headphone amplifier
• Connection and selection of three stereo sources
• Selection Mono, Stereo or Mute
• Feed: a ratio of the left channel signal is feed into the right channel signal and vice
versa – three options to select
• Angle: three virtual positions of speakers to select
• M/S Level: three options to select for adjusting the mid/side-level balance
• Input connections:Eingangsanschlüsse: XLR panel socket, 3-pin; 1/4" jack socket,
RCA socket
• Switchable power supply
PUSH
PUSH
230
+
ö
#
(
)
*
,
-
-
$
. / / .
%
&
'
ö
[INPUT]
Rotary control to select the input source
XLR
,
RCA
or
JACK
(1/4" jack)
#
[MODE]
Rotary control to select the playback mode of the input signal
$
[FEED]
Rotary control to adjust the feed from the left channel to the right
channel and vice versa.
%
[ANGLE]
Rotary control to adjust the virtual positioning of speakers
&
[M/S LEVEL]
Rotary control to adjust the mid/side-level balance
'
[ON/OFF]
Switch the selector to
ON
to enable the functions of the rotary
controls
[FEED]
,
[ANGLE]
and
[M/S LEVEL]
.
Switch the selector to
OFF
to disable the function.
The settings of the rotary controls
[FEED]
,
[ANGLE]
and
[M/S LEVEL]
do not affect the device when the controls are disabled.
(
[VOLUME]
Rotary control to adjust the volume of the headphone output
)
[HEADPHONE]
Headphone output, 1/4" jack socket
*
[POWER]
Main switch. Turns on and off the device.
+
IEC chassis connector for power supply with fuse holder
,
[115V/230V]
Selector to switch the power supply
-
[XLR]
XLR panel socket, 3-pin, to connect a signal source, i.e. audio
interface
.
[TRS]
1/4" jack socket to connect a signal source, i.e. MP3 player
/
[RCA]
RCA socket to connect a signal source, i.e. CD player
