Palmer PAN 03 Passive User manual
PAN03PASS
19“ PASSIVE 4-CHANNEL DI BOX
USER´S MANUAL
BEDIENUNGSANLEITUNG
MANUEL D`UTILISATION
MANUAL DE USUARIO
PAN03PASS
19“ PASSIVE 4-CHANNEL DI BOX
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SCOPE OF APPLICATION
Unbalanced hi-Z cables are susceptible to hum pickup and interference and must be kept short to maintain
low noise levels, and to prevent high frequency roll-off due to cable capacitance. To avoid these problems
DI boxes convert unbalanced hi-Z line level signals to balanced lo-Z signals which can then be fed to the
microphone inputs of mixing consoles. Professional studio and stage applications use balanced lo-Z signal
transfer almost exclusively.
The Palmer PAN03PASS is a passive 1U 19“ rack-mount DI box with 4 independent channels featuring the
proven circuitry of our renowned PAN01. The PAN03PASS is the perfect solution wherever multiple signals
must be balanced simultaneously, e.g. in keyboard racks. The unit requires no power supply due to the
entirely passive design which uses high qualty audio transformers. All connectors and switches are located at
the front. In addition, parallel XLR outputs are provided at the rear of the unit for rack wiring convenience.
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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
plastic and paper/cardboard.
21. Plastic bags must be kept out of reach of children.
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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 con-
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nected 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.
CONNECTION
The 4 independent channels of the PAN03PASS (A, B, C, and D) provide identical features.
Line level signals such as keyboard signals are fed to the INPUT using a shielded instrument cable (6.3mm
TS). For simultaneous connection to an instrument amplifier use the LINK output which is wired in parallel.
CAUTION - DO NOT USE THE LINK CONNECTOR FOR SIGNAL INPUT! ALL UNBALANCED INSTRUMENT CABLES
SHOULD BE AS SHORT AS POSSIBLE, AND THE PAN03PASS SHOULD BE LOCATED CLOSE TO THE UNBALANCED SOURCE.
The balanced lo-Z output signal is available at both the front and rear male XLR connectors. These are wired
to the international standard (pin 2 = hot) and electrically connected in parallel. The front and rear XLR ouputs
can also be used for signal splitting, however, simultaneous use with extreme lo-Z loads may result in some
loss of level.
Use shielded balanced microphone cable for connection to a mixing console input. Cable length is basically
uncritical with no audible signal degradation at 100 meters and beyond (300’ +).
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30DB PAD AND GND LIFT SWITCHES
The PAN03PASS can also be used to feed loudspeaker level signals to a mixing console by connecting the
amplifier output to a PAN03PASS channel INPUT, and the corresponding LINK output to a loudspeaker. Use
dedicated loudspeaker cable only for both connections (16AWG minimum). Due to the much higher
level of loudspeaker signals (compared to instrument and line level signals) the PAD 30dB switch must
be engaged. To prevent clipping the amplifier should not be rated higher than 100W.
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WARNING! TUBE AMPLIFIERS ALWAYS REQUIRE AN APPROPRIATE LOAD AT THEIR OUTPUTS.
DO NOT CONNECT THE PAN03PASS TO TUBE AMPLIFIERS WITHOUT CONNECTING AN APPROPRIATE
LOUDSPEAKER ENCLOSURE TO THE AMPLIFIER TO PREVENT PERMANENT DAMAGE TO BOTH UNITS.
The shield of standard microphone cables is wired to pin 1 of the XLR connectors at both ends. This
also connects the ground of the connected equipment which may result in ground loop hum. Since
sufficient shielding is accomplished by ground connection at one end only the PAN03PASS GND-LIFT
switch disconnects pin 1 from ground to prevent ground loops and the resulting hum. Let your ears be
the judge and always set the switch to the position that is causing minimum interference.
PAN03PASS CASE GROUNDING
The cases of 19“ units are almost always grounded via the rack rails they share. To prevent dual
grounding the PAN03PASS casing is internally disconnected from the electric ground. If interference
occurs when the PAN03PASS is used without rack mounting the case must be grounded, e.g. by running a
wire from one of the front panel mounting screws to any suitable ground.
TECHNICAL SPECIFICATIONS
4-channel passive DI BOX
Each channel: 1 x 6.3 mm TS input / 1 x 6.3 mm TS parallel output (LINK)
Nominal input impedance: 68 k
Audio transformer ratio: 10 : 1
Outputs: 2 x XLR/m
Wired in parallel: 1 x front, 1x rear
XLR/m pinout: pin 1 = ground, pin 2 = + phase,
pin 3 = – phase
Nominal output impedance: 600 Ω
Steel case: 19“, 1U, approx. 90 mm deep
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CAUTION: DO NOT PLACE THE PAN03PASS CLOSE TO ALTERNATING MAGNETIC FIELDS, E.G. MAINS
TRANSFORMERS, TO AVOID HUM INDUCTION IN THE UNIT’S AUDIO TRANSFORMERS.
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MANUFACTURER’S WARRANTY
This warranty extends to the Palmer branded product you purchased from Adam Hall. The statutory warranty
rights against the vendor shall not be affected by this warranty. Rather, this warranty gives you additional
independent claims against Adam Hall.
With this warranty, Adam Hall ensures that products you have purchased from Adam Hall or Adam Hall partners, under normal use, are free of defects in material or workmanship for a period of 5 years from the date
of purchase, or 2 years from the date of purchase for tube amplifiers and guitar cabinets. The warranty period
begins on the date of purchase. In order to assert a claim for warranty service, the proof of date of purchase
is provided by the receipt bearing the date of purchase or the date of purchase on the delivery note. You are
entitled to warranty service under the conditions and provisions set out in this document, if a repair within the
warranty period is required.
This warranty applies only to the original purchaser of the products supplied by Adam Hall and is not transferable to any person to whom the property is transferred by the original purchaser.
Within the warranty period, the defective parts or the product from Adam Hall will be repaired or replaced.
Under the terms of this warranty, all the replaced or removed components become the property
of Adam Hall.
In the unlikely event that a product acquired from Adam Hall, repeatedly exhibits a defect, Adam Hall may
decide, at its discretion, to replace this product with a comparable product of at least the same performance.
Adam Hall does not guarantee that the operation of this product will be uninterrupted or error-free. Adam Hall
accepts no responsibility for any damage due to incorrect compliance with the instructions received in the
delivery.
This warranty does not extend to:
• wearing parts (eg battery, tubes).
• devices that have had their serial number removed or damaged, or failed as a result of an accident
• inappropriate or abusive use or other external causes
• devices that were not used in accordance with the operating parameters defined in the user documentation
shipped with the product
• devices that have been repaired using parts not made or distributed by Adam Hall
• devices that have been serviced, modified or repaired by someone other than Adam Hall or an authorise
service partner.
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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. This warranty is valid only within
Europe. Outside of Europe please contact our official distributors.
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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.
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
(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.
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.
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Adam Hall GmbH, all rights reserved. The technical data and the functional product characteristics can be subje ct to modifications. The photocopying, the translation, and all other forms of copying of fragment s or of the integrlit y of this user’s manual is prohibited.
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PAN03PASS
19“ PASSIV 4 KANAL DI-BOX
EN FRDE ES
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