Instrukcja obsługi Radial Engineering ProAV1

Radial Engineering Niesklasyfikowane ProAV1

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INPUT PANEL
1. ¼” INPUT & THRU - input connection
for instruments and thru-put for on-stage
amplifi er.
2. 3.5mm TRS - input connection for stereo
-10dB consumer audio electronics.
3. RCA INPUT - left and right input
connection for stereo -10dB consumer
audio electronics.
4. RCA THRU - left and right parallel thru-
put of signals connected to the ¼”, 3.5mm
TRS and RCA inputs.
5. -15dB PAD - reduces the input level
by 15dB to prevent overload from high
output devices.
6. XLR INPUT - this recessed switch
selects between the hi-Z and the XLR
inputs.
OUTPUT PANEL
7. XLR LINE INPUT - this XLR input is
specifi cally designed to accept +4dB line-
level signals from balanced sources.
8. GROUND LIFT - disconnects pin-1 on
the XLR output connector to help reduce
noise caused by ground loops.
9. XLR OUTPUT - balanced, 600 ohm,
mic-level output is 100% transformer-
isolated and compatible with mic splitters
and console preamps.
CONSTRUCTION
10. BOOK-END DESIGN - 14 gauge steel
outer shell provides a protective zone for
the switches and connectors.
11. FULL BOTTOM PAD - neoprene foam
foot provides electrical isolation and plenty
of friction to stay put on hectic stages.
12. WELDED I-BEAM CASE - inner steel
enclosure is made extremely rigid with I-
beam profi le. Eliminates stress that could
torque the PC board and cause solder
joint failure.
13. MILITARY-GRADE - double-sided PCB
is bolted to steel standoffs for toughness.
14. RADIAL TRANSFORMER - linear freq.
response from 20Hz to 18kHz for natural
sound. Mu-metal shield to eliminate
electromagnetic interference.
15. ISOLATED CONNECTORS - are
made from extremely tough glass-fi lled
nylon for true electrical isolation from
chassis ground.
www.radialeng.com
ProAV1 Direct Box
Users Guide
True to the Music
ProAV1 SPECIFICATIONS
Frequency response 20Hz to 18kHz +/- .5dB
Total harmonic distortion 0.01% THD 20Hz to 20kHz
Input Unbalanced high-Z -10dB RCA, ¼” and 3.5mm TRS
Balanced low-Z +4dB XLR
Output Balanced 600-Ohm, mic-level, pin-2 hot
Input pad -15dB
Power requirement None, completely passive
Size 3.25” x 5” x 1.875”
Weight 1.6 lbs
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Radial Engineering
1638 Kebet Way, Port Coquitlam BC V3C 5W9
Tel: 604-942-1001 Fax: 604-942-1010
email: info@radialeng.com
Radial Engineering is a division of C•TEC (JP CableTek Electronics Ltd.)
Radial ProAV1 users guide V1.0 - Part #: R870 1140 00
Subject to change without notice
ProAV1 User GuideRadial Engineering ProAV1 User GuideRadial Engineering
RADIAL LIMITED THREE YEAR TRANSFERABLE
WARRANTY
Radial Engineering - a division of JP Cabletek Electronics Ltd. - warrants this
product to be free from defects in material and workmanship and will remedy
any such defects free of charge according to the terms of this warranty. Radial
Engineering will repair or replace at its option any defective component(s)
of this product, excluding the fi nish, the bottom foam pad and wear and tear
from normal use, for a period of three (3) years from the original date of
purchase. In the event that a particular product is no longer available, Radial
Engineering reserves the right to replace the product with a similar product of
equal or greater value. To make a request or claim under this limited warranty,
the product must be returned prepaid in the original shipping container (or
equivalent) to Radial Engineering or to an authorized repair centre and
you must assume the risk of loss or damage. A copy of the original invoice
showing date of purchase and the dealer name must accompany any request
for work to be performed under this limited warranty. This limited warranty
shall not apply if the product has been damaged due to abuse, misuse,
misapplication, accident or as a result of service or modifi cation by any other
than an authorized repair centre.
THERE ARE NO EXPRESSED WARRANTIES OTHER THAN THOSE
ON THE FACE HEREOF AND DESCRIBED ABOVE. NO WARRANTIES,
WHETHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO,
ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR
A PARTICULAR PURPOSE, SHALL EXTEND BEYOND THE RESPECTIVE
WARRANTY PERIOD DESCRIBED ABOVE OF THREE YEARS. RADIAL
ENGINEERING SHALL NOT BE RESPONSIBLE OR LIABLE FOR ANY
SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSS
ARISING FROM THE USE OF THIS PRODUCT. THIS WARRANTY GIVES
YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE OTHER
RIGHTS, WHICH MAY VARY DEPENDING ON WHERE YOU LIVE.
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True to the Music
CONGRATULATIONS
on your purchase of the Radial ProAV1 passive direct box. This innovative DI fea-
tures a ‘Swiss army knife’ compliment of connectivity options making the PROAV1
the perfect DI for professional AV integrators and rental companies that regularly
deal with a variety of system interface problems. As with all Radial products the
ProAV1 is easy to use. This short manual contains all the information you need to
start using the ProAV1 right away. For more information on the ProAV1 and other
Radial products, visit our website at www.radialeng.com.
The Radial ProAV1 is a clever and useful device that will provide you with years of
problem-solving connectivity. It may even save the show ten minutes before curtain.
Enjoy!
INTRODUCTION
The ProAV1 is a single channel DI with stereo inputs and a merge function that
mixes left and right signals to a mono, mic-level, 600 Ohm XLR output. Upon in-
spection, you will notice the Radial ProAV1 is equipped with multiple input connector
formats that allow virtually any audio device to be connected. In addition to standard
¼” instrument inputs, the ProAV1 is equipped with 3.5mm and RCA jacks for -10dB
consumer audio devices like MP3 and CD players. An XLR jack allows +4dB line-
level pro-audio equipment to be properly connected to a microphone snake and
console preamp.
At the heart of the ProAV1 is the Radial transformer that balances the signal and
provides level and impedance conversion while isolating noise caused by ground
loops. Radial transformers, manufactured for optimum signal transfer and minimal
insertion loss, are exceptional for their linear frequency response and ability to han-
dle high input levels without distortion. The transformer is mounted in a mu-metal
can for protection against electromagnetic fi elds produced by power transformers,
lighting dimmers and video displays.
The ProAV1 is completely passive and therefore does not require any power what-
soever to make it work. With its heavy-duty steel construction the ProAV1 is well
suited for touring and rental use.
CONNECTING THE ProAV1
Before connecting the ProAV1 make sure the sound system is turned off and all
levels are set to zero. This will avoid any pops in the sound system that could cause
damage to speakers. Also confi rm that the PAD, LIFT and XLR INPUT SELECT but-
tons are in their “out” positions. Phantom power will not damage the ProAV1.
ProAV1 BLOCK DIAGRAM
Follow the block diagram from the inputs on the left to the output on the right. A really cool
feature shown in the diagram is the hi-Z input jacks are paralleled together in stereo. This
makes any unused hi-Z jack a handy patch point to pass the signal on to mixers or ampli-
fi ers. Next, the stereo inputs are merged to mono through a resistive network designed to
minimize phase cancellation.
ProAV1 User GuideRadial Engineering ProAV1 User Guide ProAV1 User GuideRadial EngineeringRadial Engineering
-15dB PAD
The ProAV1 is equipped with a -15dB input PAD to prevent overload distortion when
interfacing high output devices like CD players. The PAD reduces the input to the
transformer and will not effect the level at the thru-put jacks. The XLR input is preset
for +4dB signals and is not affected by the PAD.
TRANSFORMER ISOLATION
The ProAV1 transformer converts hi-Z inputs to a low impedance, balanced, mic-level
signal. A huge benefi t of using transformers for signal conversion is the isolation the
transformer provides by preventing the fl ow of ground currents between the input and
output. This isolation effectively blocks hum and buzz caused by ground loops.
GROUND LIFT
To make grounding as fl exible as possible the ProAV1 features a ground LIFT switch.
When the LIFT switch is in the “in” position, pin-1 on the XLR output is disconnected,
interrupting the ground between the source device and mixing console. This can help
to reduce noise caused by ground loops.
XLR OUTPUT
The ProAV1 produces a balanced, 600 Ohm, mic-level signal that is compatible with
microphone snakes systems and mixing consoles preamps. Balanced signals can
drive very long cables without appreciable noise or signal loss.
ACCESSORIES
OPTIONAL J-RAK
The optional J-RAK is a 2RU rack
chassis that allows up to 8 Radial
devices in one neat 19” package. The
DIs can be mounted with either the input
side or output side facing the front.
OPTIONAL J-CLAMP
The optional J-CLAMP can mount a
single Radial device to virtually any
surface. Perfect for hiding away inside
racks, on podiums or under tables.
RCA & 3.5mm JACKS - CONSUMER -10dB AUDIO EQUIPMENT
Consumer audio electronics like CD players, computer sound cards and MP3 players
may connect directly to the ProAV1 without cumbersome adaptors through the 3.5mm
and RCA inputs.
¼” JACKS - INSTRUMENTS
Musical instruments may be connected to the ¼” input jacks. When connecting a mono
instrument, like a bass guitar, the instrument connects to the ¼” INPUT jack and the play-
ers on-stage amplifi er is connected to the ¼” THRU jack.
When connecting stereo instruments, like sythesizers, the two ¼” jacks may be used for
left and right channels. The signal may be accessed at the RCA THRU or 3.5mm jacks
and passed to mixers, sound cards or on-stage amplifi ers.
XLR BALANCED +4dB INPUT
Pro-audio equipment with a balanced +4dB line output may be connected to the ProAV1
XLR input. The XLR input is activated by a recessed switch on the side of the ProAV1.
Push the recessed switch in to activate the XLR input and disable the ¼”, 3.5mm and
RCA inputs. The ProAV1 will convert the +4dB line input to a mic-level signal at the XLR
output.
Computer sound card uses 3.5mm jack. RCA jacks output stereo
signal to local mixer. Mono mic-level output to PA system.
3.5mm Stereo
RCA Stereo Thru
Mono
Instrument uses ¼” input with thru-put to amp.
Mic-level output to PA system.
Thru
Balanced +4dB audio source uses XLR input.
+4dB Line-level
Mic-level

Specyfikacje produktu

Marka: Radial Engineering
Kategoria: Niesklasyfikowane
Model: ProAV1

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