Palmer PLI04 User manual
PLI04 PRO MEDIA
SPECIALIZED DIRECT BOX
USER´S MANUAL
BEDIENUNGSANLEITUNG
MANUEL D`UTILISATION
MANUAL DE USUARIO
INTRODUCTION
The PRO MEDIA DI / PLI04, focuses on the discerning needs of the computer-age media in mind. With
the PLI04 personal computers and other consumer equipment with unbalanced outputs can be converted
to balanced signals. The PLI 04 accommodates all the common input types: TRS jacks accepting mono or
stereo plugs, RCA sockets and a 3.5mm stereo jack input for use with the headphone output of a Laptop
or similar device. The outputs are conventional transformer balanced XLR sockets, as used in professional
PA systems, guaranteeing an electrically decoupled signal. Although the PLI 04 is primarily a stereo unit, it
can be switched to mono, in this setting the two stereo signals are summed and fed to both XLR outputs.
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SAFETY INFORMATION
1. Please read these instructions carefully.
2. Keep all information and instructions in a safe place.
3. Follow the instructions.
4. Observe all safety warnings. Never remove safety warnings or other information from the equipment.
5. Use the equipment only in the intended manner and for the intended purpose.
6. Use only sufficiently stable and compatible stands and/or mounts (for fixed installations). Make certain
that wall mounts are properly installed and secured. Make certain that the equipment is installed
securely and cannot fall down.
7. During installation, observe the applicable safety regulations for your country.
8. Never install and operate the equipment near radiators, heat registers, ovens or other sources of heat.
Make certain that the equipment is always installed so that is cooled sufficiently and cannot overheat.
9. Never place sources of ignition, e.g., burning candles, on the equipment.
10. Ventilation slits must not be blocked.
11. Do not use this equipment in the immediate vicinity of water (does not apply to special outdoor equipment - in this case, observe the special instructions noted below. Do not expose this equipment to
flammable materials, fluids or gases.
12. Make certain that dripping or splashed water cannot enter the equipment. Do not place containers filled
with liquids, such as vases or drinking vessels, on the equipment.
13. Make certain that objects cannot fall into the device.
14. Use this equipment only with the accessories recommended and intended by the manufacturer.
15. Do not open or modify this equipment.
16. After connecting the equipment, check all cables in order to prevent damage or accidents, e.g., due to
tripping hazards.
17. During transport, make certain that the equipment cannot fall down and possibly cause property damage
and personal injuries.
18. If your equipment is no longer functioning properly, if fluids or objects have gotten inside the equipment
or if it has been damaged in another way, switch it off immediately and unplug it from the mains outlet
(if it is a powered device). This equipment may only be repaired by authorized, qualified personnel.
19. Clean the equipment using a dry cloth.
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20. Comply with all applicable disposal laws in your country. During disposal of packaging, please separate
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plastic and paper/cardboard.
21. Plastic bags must be kept out of reach of children.
FOR EQUIPMENT THAT CONNECTS TO THE POWER MAINS:
22. CAUTION: If the power cord of the device is equipped with an earthing contact, then it must be connected to an outlet with a protective ground. Never deactivate the protective ground of a power cord.
23. If the equipment has been exposed to strong fluctuations in temperature (for example, after transport),
do not switch it on immediately. Moisture and condensation could damage the equipment. Do not switch
on the equipment until it has reached room temperature.
24. Before connecting the equipment to the power outlet, first verify that the mains voltage and frequency
match the values specified on the equipment. If the equipment has a voltage selection switch, connect
the equipment to the power outlet only if the equipment values and the mains power values match. If the
included power cord or power adapter does not fit in your wall outlet, contact your electrician.
25. Do not step on the power cord. Make certain that the power cable does not become kinked, especially at
the mains outlet and/or power adapter and the equipment connector.
26. When connecting the equipment, make certain that the power cord or power adapter is always freely accessible. Always disconnect the equipment from the power supply if the equipment is not in use or if you
want to clean the equipment. Always unplug the power cord and power adapter from the power outlet at
the plug or adapter and not by pulling on the cord. Never touch the power cord and power adapter with
wet hands.
27. Whenever possible, avoid switching the equipment on and off in quick succession because otherwise
this can shorten the useful life of the equipment.
28. IMPORTANT INFORMATION: Replace fuses only with fuses of the same type and rating. If a fuse blows
repeatedly, please contact an authorised service centre.
29. To disconnect the equipment from the power mains completely, unplug the power cord or power adapter
from the power outlet.
30. If your device is equipped with a Volex power connector, the mating Volex equipment connector must be
unlocked before it can be removed. However, this also means that the equipment can slide and fall down
if the power cable is pulled, which can lead to personal injuries and/or other damage. For this reason,
always be careful when laying cables.
31. Unplug the power cord and power adapter from the power outlet if there is a risk of a lightning strike or
before extended periods of disuse.
CAUTION
RISK OF ELECTRIC SHOCK
CAUTION:
Never remove the cover, because otherwise there may be a risk of electric shock. There are no user serviceable parts inside. Have repairs carried out only by qualified service personnel.
The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user
to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of
sufficient magnitude to constitute a risk of electrical shock.
The exclamation mark within an equilateral triangle is intended to alert the user to the presence of
important operating and maintenance instructions.
DO NOT OPEN
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CAUTION – HIGH VOLUME LEVELS WITH AUDIO PRODUCTS!
This equipment is intended for professional use. Therefore, commercial use of this equipment is subject to the
respectively applicable national accident prevention rules and regulations. As a manufacturer, Adam Hall is
obligated to notify you formally about the existence of potential health risks.
Hearing damage due to high volume and prolonged exposure: When in use, this product is capable of producing high sound-pressure levels (SPL) that can lead to irreversible hearing damage in performers, employees,
and audience members. For this reason, avoid prolonged exposure to volumes in excess of 90 dB.
CAUTION! IMPORTANT INFORMATION ABOUT LIGHTING PRODUCTS
1. Do not look into the beam from a distance of less than 40 cm.
2. Do not stare into the beam for extended periods at short-to-medium distances.
3. Do not view the beam directly with optical instruments such as magnifiers.
4. Under some circumstances, stroboscopic effects may trigger epileptic seizures in sensitive individuals!
For this reason, persons who suffer from epilepsy should always avoid places where strobe lights are
used.
CONTROLS
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3
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Mono-Switch:
Locate the mono switch between the XLR output sockets. When pressed (recessed) the stereo signal is
merged to a mono signal via a transformer-matrix. An Identical output signal is then available on both output
sockets. This way the PLI04 can also be used as a signal splitter. In this setup only input and output are
isolated via transformer. The grounds of the XLR sockets are not isolated between each other.
2
Ground-Lift-Switch:
A galvanic (electrical) connection between two mains powered devices is often undesired as it can lead to
ground loops. Ground loops induce a low frequency hum or noise due to compensating currents though the
ground lead. In addition, computers and similar devices can also cause high frequency noise on the ground
lead. The PLI04 therefore implements high quality audio transformers (coupling transformers), which in
combination with the ground lift switch can reduce noise induced by ground loops and ground problems in
general. Press the according switch to lift the ground - in this case there is no physical/mechanical (electrical)
connection between input and output and compensating currents are thus suppressed.
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Soft-Ground-Switch:
With this switch the ground connections are coupled via an RC-circuit. This circuit cuts off high frequency
noise (such as from a computer) on the ground lead and in addition suppresses low frequency humming.
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CONNECTION
SPECIFICATIONS
Connect the line outputs of your input device to the suitable input connectors of the PLI04 using high quality
shielded cables. The PLI04 offers several options: 6.3mm Jack sockets suitable for mono or stereo connectors, Cinch/RCA sockets or a stereo 3.5 jack socket.
We do not advise the simultaneous use of different connector types as this can lead to interferences.
Connect the outputs of the PLI04 to the microphone inputs of your mixer using balanced and shielded microphone cables. For stereo signals you will need two channels on the mixer - remember to pan the channels
left and right to obtain a true stereo signal.
NOTE: IF YOU ARE ONLY USING ONE INPUT SOCKET, BE SURE TO USE THE RED RCA SOCKET AS THIS IS
THE ONE CONNECTED TO THE HOUSING GROUND.
Product type: Passive DI-box, stereo unit, transformer balanced outputs,
mono switch
Type: passive
Inputs: 2 x 6.3 mm TRS-Jack, Tip = +phase (hot), Ring = -phase (cold),
Sleeve = screening, ground
2 x RCA phono sockets and 1x 3.5 mm stereo jack
Input impedance: 6k ohms at 600 ohms load
Input level: 6dBu @ 30Hz / 0.05 % THD
16dBu @ 30Hz / 0.33 % THD
All measurements taken with 200 ohms source
Outputs: 2 x XLR male, Pin 1 ground, Pin 2 pos. phase (hot),
Pin 3 neg. phase (cold)
Transformer balanced
Output impedance: 600 ohms
Grain reduction input to output: 10dB,
Transformer ratio: 3.16 : 1
Frequency response: 20Hz - 20kHz ± 0.5dB
Phase response: less than 3°degree deviation
Mono switch 3 position ground
lift switch:
Housing material: Sheet steel
Dimensions (W x H x D): 125 mm x 95 mm x 35 mm
lift, ground, soft ground
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PHASE- & FREQUENCY RESPONSE
MANUFACTURER’S WARRANTY
This warranty covers the Adam Hall, LD Systems, Defender, Palmer, and Cameo brands.
It applies to all products distributed by Adam Hall.
This warranty declaration does not affect the statutory warranty claims against the manufacturer, but expands
them with additional warranty claims vis-a-vis Adam Hall.
Adam Hall warrants that the Adam Hall product that you have purchased from Adam Hall or from an Adam Hall
authorized reseller is free from defects in materials or workmanship under normal use for a period of 2 or 5
years (please inquire on a product-by-product basis) from the date of purchase.
The warranty period begins on the date on which the product was purchased, proof of which must be
produced (through presentation of the invoice or the delivery note with the date of purchase) in the event of a
warranty claim. Should products of the brands named above be in need of repair within the limited warranty
period, you are entitled to warranty service according to the terms and conditions stated here.
During the Limited Warranty Period, Adam Hall will repair or replace the defective component parts or the
product. In the event of repair or replacement during the Limited Warranty Period, the replaced original parts
and/or products become property of Adam Hall.
In the unlikely event that the product which you purchased has a recurring failure, Adam Hall has the right, at
its discretion, to replace the defective product with another product, provided that the new product is at least
equivalent to the product being replaced with regard to the technical specifications.
Adam Hall does not warrant that the operation of this product will be uninterrupted or error-free. Adam Hall is
not responsible for damage that occurs as a result of your failure to follow the instructions included with the
Adam Hall branded product. The manufacturer’s warranty does not cover – expendable parts (e. g., rechargeable batteries) - products from which the serial number has been removed or with a serial number that has
been damaged as a result of an accident - damage due to improper use, user error or other external reasons
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• damage to devices operated outside the usage parameters stated in the documentation included with the
product
• damage due to the use of replacement parts not manufactured, sold or recommended by Adam Hall,
• damage due to modification or servicing by anyone other than Adam Hall.
These terms and conditions constitute the complete and exclusive warranty agreement between you and
Adam Hall regarding the Adam Hall branded product you have purchased.
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LIMITATION OF LIABILITY
If your Adam Hall branded hardware product fails to work as warranted above, your sole and exclusive remedy
shall be repair or replacement. Adam Halls’ maximum liability under this limited warranty is expressly limited to
the lesser of the price you have paid for the product or the cost of repair or replacement of any components that
malfunction under conditions of normal use.
Adam Hall is not liable for any damages caused by the product or the failure of the product, including any lost
profits or savings or special, incidental, or consequential damages. Adam Hall is not liable for any claim made by
a third party or made by you for a third party.
This limitation of liability applies whether damages are sought, or claims are made, under this Limited Warranty or
as a tort claim (including negligence and strict product liability), a contract claim, or any other claim, and cannot
be rescinded or changed by anyone. This limitation of liability will be effective even if you have advised Adam Hall
or an authorized representative of Adam Hall of the possibility of any such damages, but not, however, in the event
of claims for damages in connection with personal injuries.
This manufacturer’s warranty grants you specific rights; depending on jurisdiction (nation or state), you may be be
entitled to additional claims. You are advised to consult applicable state or national laws for a full determination of
your rights.
REQUESTING WARRANTY SERVICE
To request warranty service for the product, contact Adam Hall or the Adam Hall authorized reseller from which
you purchased the product.
Household users should contact either the retailer where they purchased this product, or their local government
office, for details on where and how they can recycle this item in an environmentally friendly manner.
Business users should contact their supplier and check the terms and conditions of the purchase contract. This
product should not be mixed with other commercial wastes for disposal
ENVIRONMENTAL PROTECTION AND ENERGY CONSERVATION
Energy conservation is an active contribution to environmental protection. Please turn off all unneeded electrical
devices. To prevent unneeded devices from consuming power in standby mode, disconnect the mains plug.
EC DECLARATION OF CONFORMITY
The equipment marketed by Adam Hall complies (where applicable) with the essential requirements and other
relevant specifications of Directives 1999/5/EC (R&TTE), 2004/108/EC (EMC) und 2006/95/EC (LVD). Additional
information can be found at www.adamhall.com.
PROPER DISPOSAL OF THIS PRODUCT
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(WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT)
(Valid in the European Union and other European countries with waste separation)
This symbol on the product, or the documents accompanying the product, indicates that this appliance may not
be treated as household waste. This is to avoid environmental damage or personal injury due to uncontrolled
waste disposal. Please dispose of this product separately from other waste and have it recycled to promote
sustainable economic activity.
Adam Hall GmbH, all rights reserved. The technical data and the functional product characteristics can be subject to modifications. The photocopying, the translation, and all other forms of copying of fragments or of the integrlity of this user’s manual is
prohibited.
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PLI04 PRO MEDIA
SPECIALIZED DIRECT BOX
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EINLEITUNG
Die PRO MEDIA DI / PLI04 wurde für die besonderen Anforderungen im medialen Bereich entwickelt.
Mit der PLI04 können Sie PCs und andere Konsumergeräte mit unsymmetrischen Ausgängen an eine
professionelle Beschallungsanlage mit symmetrischen Eingängen angeschlossen werden. Die PLI 04 stellt
die für diese Anforderung gängigen Eingangsbuchsen zur Verfügung: TRS-Klinken, die sowohl Mono- als
auch Stereoklinkenstecker akzeptieren, Cinch-Buchsen und ein 3.5mm Stereominiklinken-Eingang, z. B. um
Kopfhörerausgänge von Laptops oder ähnlichen Geräten anzuschießen. Ausgangsseitig sind die für professionelle Anlagen üblichen XLR/m Buchsen mit trafosymmetrischer Beschaltung vorhanden. Dadurch wird
eine galvanische Trennung erreicht.
Als Besonderheit sollte erwähnt werden, dass die PLI 04 zwar für Stereobetrieb ausgelegt ist, aber mittels
Schalter eine Monosummenbildung möglich ist und das Ausgangssignal dann auf beiden XLR-Ausgängen
anliegt.
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