Violectric HPA V200 Manual de usuario
1
HEADPHONE AMPLIFIER
HPA V200
USER´s MANUAL
2
Content
Theme Page
About Violectric 3
Safety Instructions 5
The Earth / Grounding Concept 7
Connection / Connectors 9
General 10
Operation 11
Special Functions 18
Things to know 19
Technical Data 25
Jumper Setting 26
Conformity Statement 27
Warranty 28
CAUTION !!
THE HIGH OUTPUT LEVELS ACHIEVABLE
WITH THIS UNIT MAY
DAMAGE YOUR HEARING OR THE HEADPHONES
IF OPERATED CARELESSLY !!
3
Cordial thanks for your decision in favour of a
product !
is a trademark and product line of Lake People
electronic GmbH. Lake People electronic GmbH develops,
manufactures and distributes products in the professional range, for
broadcast, television, airports, exhibition halls, festival venues, theatres,
large-scale installations, private studios and more. In the private sector
as well, Lake People products become increasingly popular due to their
outstanding quality.
The trademark and product line is specially intended to
supply the Hi-Fi and High-End market with its specific requirements.
Who develops equipment ?
devices are exclusively developed in Germany by the
engineers of Lake People electronic GmbH. In doing so, the team of
developers can draw on twenty years of experience and countless
products for the pro-audio domain.
Among others, the first German-made 20-bit A/D and D/A converters
were developed by Lake People in the early nineties of the past century.
Who manufactures equipment ?
devices are exclusively manufactured in Germany by
Lake People electronic GmbH or contractors in the company's vicinity.
Lake People - and by association - put high emphasis
on domestic manufacturing. As well, all component suppliers are chosen
in order achieve the main part of added value inland.
4
How do devices get to the customer ?
devices can be obtained from respective specialist
suppliers. If there is none such accessible regionally, the customer is
supported by transregional distribution partners (google may help...)
and, of course, by Lake People electronic GmbH themselves.
… and if it doesn't work like it should ?
devices are covered by a 24-month warranty. In case of
any malfunction during this period, they can be shipped to the
manufacturer directly. Of course, the client will benefit from
's and Lake People's full technical support even when
warranty has expired. Any technical questions or need for advice is
welcome.
is a subsidiary of
LAKE PEOPLE electronic GmbH
Turmstrasse 7a
D-78467 Konstanz
Fon +49 (0) 7531 73678
Fax +49 (0) 7531 74998
www.violectric.de www.violectric.com
www.lake-people.de www.lake-people.com
5
General Safety Instructions
WARNING
For your protection, please read the following:
Water, Liquids, Moisture:
This appliance should not be used near water or other sources of liquids.
Care should be taken so that objects do not fall and liquids are not spilled into
the enclosure through openings.
Power Sources:
The appliance should be connected to a power supply only of the type described
in the operating instructions or as marked on the appliance.
Grounding:
Care should be taken that this appliance is operated with proper grounding only.
Power Cord:
Power supply cords should be routed so that they are not likely to be walked on
or pinched by items placed upon or against them, paying particular attention to
cords at plugs, convenience receptacles, and the point where they exit from the
appliance.
This unit is equipped with a 3-pole mains cable with German 3-pin mains plug.
In some countries this unit must be operated with a mains adaptor, supplied by
the owner.
Please refer to the table below to connect a mains plug:
OVERVIEW: POWER CORD FUNCTION AND COLORS
CONDUCTOR COLOR Alternativ
L LIVE BROWN BLACK
N NEUTRAL BLUE WHITE
E PROTECTIVE EARTH GREEN+YELLOW GREEN
U.K. Mains Plug Warning:
A moulded mains plug that has been cut off from the cord is unsafe. Discard the mains
plug at a suitable disposal facility.
NEVER UNDER ANY CIRCUMSTANCES SHOULD YOU INSERT A DAMAGED OR
CUT MAINS PLUG INTO A 13 AMP POWER SOCKET. Do not use the mains plug
without the fuse cover in place. Replacement fuse covers can be obtained from your local
retailer. Replacement fuses are 13 amps and MUST be ASTA approved to BS 1362.
6
Mains Fuse:
The mains fuse of this appliance is soldered in place and accessible from the
inside only!!
A blown fuse may indicate an internal problem and should be replaced during
qualified servicing or repair work !!
Switchable Power Supply:
Connect this unit to the power source indicated on the equipment rear panel
only to ensure safe operation !!
This unit is provided with an internally settable mains supply for 115 / 230 V AC.
Service / Repair:
To reduce the risk of fire or electric shock, the user should not attempt to service the
appliance beyond the measures described in the operating manual. All other
servicing or repair should be referred to qualified personnel !!
Electromagnetic Compatibility
This unit conforms to the Product Specifications noted as Declaration of
Conformity at the end of this manual. Operation is subject to the following
conditions:
- this device may not cause harmful interferences
- this device must accept any interference received,
including interference that may cause undesired operation
- this device must not be operated within significant electromagnetic field
VOR DEM ÖFFNEN NETZSTECKER
ZIEHEN!! PULL MAINS BEFORE
OPENING!! AVANT D´OUVRIER
RETIREZ LA FICHE MALE!!
7
The Earth / Grounding Concept
General GROUND-LIFT Jumper (accessible from the inside.
Mind the SECURITY INSTRUCTIONS !! ):
Ex-works this jumper is set to the GND/GROUND position.
The internal ground potential - normally connected to the external earth
reference at this point - may be lifted by means of this jumper.
As a result, the interconnection for DC voltages and lower frequencies
(< 150 Hz) will be cut. Higher frequencies will be bled off to earth
potential through the RC filter. The LIFT position may be helpful in case
of hum or jitter caused by different ground/earth potentials.
VIOLECTRIC HPA V100/200 GROUND CONCEPT / BLOCK CIRCUIT
G(round)
G(round)
L(ift)
L(ift)
C(ase)
C(ase)
100n 100n
12
3
12
3
XLR female
XLR female
Ground Lift Jumper:
Ground Lift Jumper:
GND
Earth / PE to Case
Lift
100n
10k
Toroidal Transformer
230 / 115 V AC
POWER SUPPLY
+ U
18/30 V
- U
18/30 V
(others)
E
AC IN
GENERAL GROUND-LIFT JUMPER
AC IN
LEFT BALANCED INPUT
LEFT UNBALANCED
INPUT CINCH
RIGHT BALANCED INPUT
VOLUME
POWER AMP
TIP
LEFT
RING
RIGHT
SLEEVE
GROUND
ENCLOSURE
RIGHT UNBALANCED
INPUT CINCH
L
E
N
AC Mains
Socket
8
Unfortunately there is no general recommendation how to solve hum
and jitter problems - or even minimize them. The best way to succeed is
to check different options !! In case of balanced cables, it should always
been verified if the shield of the cable is connected to the shell of the
XLR connector. The shell is ALWAYS connected to earth potential when
the connector is inserted !!
Concerning ANALOG inputs and outputs, the relationship between
ground and earth may be modified. Electrical safety is always ensured,
since the earth conductor is permanently connected to the enclosure !!
XLR GROUD-LIFT Jumper (accessible from the inside.
Mind the SECURITY INSTRUCTIONS !! ):
G(ROUND): Ex-works all jumpers are set to "G" (ground) position.
Pin 1 is connected to the internal ground reference.
High frequency interference is deflected to the case via a
100 nF capacitor.
L(IFT): The interconnection between Pin 1 and ground is open.
High frequency interference is deflected to the case via a
100 nF capacitor. This jumper position is specifically
useful if the unit is equipped with transformers !!
C(ASE): Pin 1 is connected to the case, the 100 nF capacitor is
bridged. This jumper position may be varied together with
the General GROUND-LIFT jumper.
Please note that with jumpers in LIFT or GROUND position
EMC emission might occur,
for which the user is responsible only !
9
Connection / Connectors for Analog Signals
SOURCE
12
3
HOT
COLD
SHIELD
X
Balanced Cable (Signal) to (Transformer) Balanced Input
BALANCED INCOMING SIGNAL
XLR MALE PLUG
Shield = Signal Ground = Pin 1
Hot / + Phase = Pin 2
Cold / - Phase = Pin 3
The case of the connector should not be wired
to the shield of the cable. The connector is routed
to earth potential (PE) when plugged into the
corresponding socket of the case !
ANALOG SIGNALS
ANALOG SIGNALS
SOURCE
12
3
HOT
GND
SHIELD
X
Unbalanced Cable (Signal) to (Transformer) Balanced Input
BALANCED INCOMING SIGNAL
XLR MALE PLUG
Shield = Signal Ground = Pin 1
Hot / Signal = Pin 2
Cold / Ground = Pin 3
The case of the connector should not be wired
to the shield of the cable. The connector is routed
to earth potential (PE) when plugged into the
corresponding socket of the case !
ANALOG SIGNALS
?
2-wire cable should be prefered !!
zum
Kopfhörer
6.3 mm (1/4”) Phone Jack ( ip - ing - leeve Connector)
T R S
Tip = left Channel
Ring = right Channel
Sleeve = Ground
10
GENERAL INFORMATION
The HPA V200 is a stereophonic headphone amplifier designed to drive
low-, medium- and high-Z loads (16...600 ohms) as usually represented
by high-quality headphones. Due to its specific, variable and low-noise
and distortion circuit design especially optimised for dynamic
headphones, the HPA V200 fulfils even highest demands.
Features:
- Balanced inputs with gold-plated Neutrik XLR connectors
- Unbalanced inputs with gold-plated ALPS cinch connectors
- switchable unbalanced outputs with cinch connectors
- USB input Type B
- PRE-GAIN = switchable input gain in five steps
- Independent-channel design
- DC-coupled (switchable)
- ALPS RK27 High-Grade volume control
- High-Quality op-amps in the signal path
- High-quality MKP capacitors in the signal path
- 0.1 and 1% metal film resistors throughout the unit
- Discrete-design power amp with 8 transistors per channel
- 2 silver-plated Neutrik headphone outputs
- Relay-based headphone output cutoff
- Toroidal transformer
- Large filtering capacitors in the power supply
- Switchable ground lift
- Rugged aluminium case with Nextel coating
- Solid, laser-engraved aluminium front panel
With its small dimensions, the HPA V200 ensures optimum flexibility
combined with high output power. During design, high emphasis was
put on operational safety even when the unit is operated inappropriately.
The HPA V200 is equipped with internal filters to prevent damage to the
connected headphones due to high-frequency overload beyond the
audible range.
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