Glensound GS-HA013 Guida all'installazione
GS-HA013
BATTERY POWERED PORTABLE
HEADPHONE AMPLIFIER
PRODUCT DETAILS
6 BROOKS PLACE, MAIDSTONE, KENT, ME14 1HE. ENGLAND. TEL: 44 (0) 1622 753662
Visit our Website at www.glensound.co.uk FAX: 44 (0) 1622 762330
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Glensound Electronics Ltd
Thank you for choosing a new Glensound product.
All rights reserved.
Information contained in this manual is subject to change without notice if
in doubt please contact us for the latest product information.
If you need any help with the product then we can be contacted at:
Glensound Electronics Ltd
1 – 6 Brooks Place
Maidstone
Kent
ME14 1HE
United Kingdom
Telephone: +44 (0) 1622 753662
Fax: +44 (0) 1622 762330
EMAIL ADDRESSES
General enquires: office@glensound.co.uk
Technical enquires: techinfo@glensound.co.uk
Sales enquires: sales@glensound.co.uk
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PRODUCT WARRANTY:
All equipment is fully tested before dispatch and carefully designed to
provide you with trouble free use for many years.
We have a policy of supporting products for as long as possible and
guarantee to be able to support your product for a minimum of 10 years.
For a period of one year after the goods have been despatched the
Company will guarantee the goods against any defect developing after
proper use providing such defects arise solely from faulty materials or
workmanship and that the Customer shall return the goods to the
Company’s works or their local dealer.
All non-wear parts are guaranteed for 2 years after despatch and any
defect developing after proper use from faulty materials or workmanship
will be repaired under this warranty providing the Customer returns the
goods to the Company's works or their local dealer.
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CE
This equipment manufactured by Glensound Electronics Ltd of Brooks
Place Maidstone Kent ME14 1HE is CE marked and conforms to:
Low Voltage Directive: EN60065
Emissions: EN55103.1
Immunity: EN55103.2
WASTE ELECTRICAL AND ELECTRONIC
EQUIPMENT REGULATIONS 2006 (WEEE)
Glensound Electronics Ltd is registered for business to business sales of
WEEE in the UK our registration number is:
WEE/JJ0074UR
RoHS DIRECTIVE
EC directive 2002/95/EC restricts the use of the hazardous substances
listed below in electrical and electronic equipment.
This product conforms to the above directive and for this purposes the
maximum concentration values of the restricted substances by weight in
homogenous materials are:
Lead 0.1%
Mercury 0.1%
Hexavalent Chromium 0.1%
Polybrominated Biphenyls 0.1%
Polybrominated Diphenyl Ethers 0.1%
Cadmium 0.01%
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GLENSOUND GS-HA013
Handbook Contents
Issue 1
Description Page No.
Contents
PRODUCT WARRANTY: .................................................................................................................................... 3
OVERVIEW ........................................................................................................................................................... 6
SIMPLIFIED BLOCK DIAGRAM ........................................................................................................................
FRONT PANEL CONTROLS ............................................................................................................................... 8
1) Power On Switch ......................................................................................................................................... 8
2) Power On LED ............................................................................................................................................. 8
3) A Volume Control ........................................................................................................................................ 9
4) A Routing Switch ......................................................................................................................................... 9
5) B Volume Control ........................................................................................................................................ 9
6) B Routing Switch ......................................................................................................................................... 9
7) 6.35mm Headphone Jack .......................................................................................................................... 9
RIGHT SIDE PANEL CONTROLS .................................................................................................................... 10
8/9) A & B Course Gain Controls ................................................................................................................. 10
10) Phase Reverse Switch ........................................................................................................................... 10
11) Input Select Switch ................................................................................................................................. 10
REAR PANEL CONTROLS ................................................................................................................................ 11
12) 3.5mm Headphone Jack ........................................................................................................................ 11
13) 6.35mm Headphone Jack ...................................................................................................................... 11
14) A\STEREO Input ..................................................................................................................................... 11
15) B Input ....................................................................................................................................................... 12
16) DC Inout.................................................................................................................................................... 12
LEFT SIDE PANEL CONTROLS ....................................................................................................................... 13
17) Battery Compartment ............................................................................................................................. 13
18) Battery Compartment Catch .................................................................................................................. 13
WIRING INFORMATION .................................................................................................................................. 14
1. Standard wiring info................................................................................................................................... 14
2. Unbalanced Stereo Input .......................................................................................................................... 14
SPECIFICATION ................................................................................................................................................. 15
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OVERVIEW
The Glensound GS-HA013 portable headphone amplifier has been designed to
withstand the rigours of regular outside broadcast use by sound engineers and
production personel.
It’s features expand on the very popular original GS-HA001 which it superceeds.
The headphone amplifier is powered from a single 9V PP3 battery and can also be
powered by an external power supply (not inlcuded but available as an extra). It
provides 1 high power headphoen amplifier capable of driving high impedance
broadcast style headphones and headsets.
Two XLR audio inputs are provided on the rear and a switch on the side selects if the
stereo headphone output should be derived from both of the these (one for left ear
and the other for the right) or if just one input should accept an unbalanced stereo
input.
Two coarse gain controls are provided to allow the headphone amplifier to accept a
wide range of audio input levels and these gain controls are presets and adjusted by
a small screwdriver to prevent accidental operation by a non-technical user.
The front panel provides 2 headphone volume controls to allow the user to
individually adjust the audio input level of the left and right inputs to the headphones.
Two routing switches are also provided to allow the either input to be routed to either
or both channels of the headphoen amplifier.
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SIMPLIFIED BLOCK DIAGRAM
Page 8 of 15
FRONT PANEL CONTROLS
1) Power On Switch
The power on switch turns the headphone amplifier on/off. In the down position it I
son and in the up position the GS-HA013 is off. To turn on the GS-HA013 must
either have a battery fitted or an external power supply connected.
2) Power On LED
When the unit is turned on and operational this bright blue Led will illuminate. If this
LED is flashing it indicates that the battery voltage is getting low and the battery will
need replacing soon.
1) Power On
Switch
2) Power On
LED
3) A Volume
Control
4) A Routing
Switch
5) B Volume
Control
) B Routing
Switch
7) .35mm
Headphone
Jack
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3) A Volume Control
This rotary potentiometer adjusts the volume of the A input into the headphones.
Turning it fully clockwise provides maximum volume and turning it ant-clockwise
reduces the volume to the minimum possible.
This control has been designed to not to allow the volume to be completely turned
off. This is to prevent an operator completely turning off the audio feed from a
director or producer.
If you would like the volume control to be able to completely attenuate then this can
accommodated by Glensound prior to shipping.
4) A Routing Switch
This switch selects which (or both) sources the A headphone output is derived from.
5) B Volume Control
This rotary potentiometer adjusts the volume of the B input into the headphones.
Turning it fully clockwise provides maximum volume and turning it ant-clockwise
reduces the volume to the minimum possible.
This control has been designed to not to allow the volume to be completely turned
off. This is to prevent an operator completely turning off the audio feed from a
director or producer.
If you would like the volume control to be able to completely attenuate then this can
accommodated by Glensound prior to shipping.
6) B Routing Switch
This switch selects which (or both) sources the B headphone output is derived from.
7) 6.35mm Headphone Jack
This is a standard 6.35mm (1/4”) TRS jack socket. It is wired in parallel with the rear
panel headphone jack sockets.
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RIGHT SIDE PANEL CONTROLS
8/9) A & B Course Gain Controls
This pre-set potentiometer adjusts the input gain of the incoming signal to get it to
the correct use for the headphone amplifier. This is a multi-turn pre-set which rotates
20 times to allow a fairly fine level of accuracy when setting the gain.
As a general rule these pre-sets are only altered when first connecting to a new
setup and the factory default is that they are lined up for a 0dB input level.
10) Phase Reverse Switch
For most customers this switch is irrelevant and this should be set to normal.
When the switch is in the ‘PHASE REVERSE RIGHT EAR’ position the phase of the
B audio input is reversed. This is a requirement of some older style wiring of BBC
headphones.
11) Input Select Switch
This switch alters the audio input source being sent to the stereo headphone
amplifier. It can either be two balanced mono audio sources from the rear panel
XLRs with one source being sent to the ‘A’ circuit and the other to the ‘B’ circuit or if
the switch is in the ‘UNBALANCED STEREO’ position then the ‘A’ XLR input will
accept an unbalanced stereo source and route this to the A nd B circuits.
8) A Course
Gain
9) B Course
Gain
10) Phase
Revers switch
11) Input
Select switch
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