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1. 

Read these instructions.  

2. 

Keep these instructions.

3. 

Heed all warnings.

4. 

Follow all instructions.

5. 

Do not use this apparatus under water.

6. 

Clean only with a dry cloth.

7. 

Do not block any ventilation openings. Install in accordance with the manufactur-
er’s instructions.

8. 

Do not install near any heat sources such as radiators, heat registers, stoves, or 
other apparatus (including amplifiers) that produce heat.

9. 

Only use attachments/accessories specified by the manufacturer.

10.  Use the 24 VAC power adapter that came with the unit. 
11.  Unplug this apparatus during lightning storms or when unused for long periods of 

time.

12.  Refer all servicing to qualified service personnel. Servicing is required when the 

apparatus has been damaged in any way, such as the power input terminals are 
damaged, liquid has been spilled or objects have fallen into the apparatus, the 
apparatus does not operate normally, or has been dropped.

13.  This apparatus shall not be exposed to dripping or splashing, and no object filled 

with liquids, such as vases or glasses, shall be placed on the apparatus.

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 consti-
tute a risk of electric shock to persons.

The exclamation point within an equilateral triangle is intended to alert the 
user of the presence of important operating and maintenance (servicing) 
instructions in the literature accompanying the appliance.

Caution: to reduce the risk of electric shock, do not 
disassemble the apparatus. There are no user-
serviceable parts inside. Refer servicing to qualified 
personnel.

This equipment has been tested and found to comply 
with the limits for a Class B digital device, pursuant to 
part 15 of the FCC Rules. 

These limits are designed to provide reasonable protection against harmful interference 
in a residential installation. 

This equipment generates, uses, and can radiate radio frequency energy and, if not 
installed and used in accordance with the instructions, may cause harmful interference to 
radio communications. However, there is no guarantee that interference will not occur in 
a particular installation. 

If this equipment does cause harmful interference to radio or television reception, which 
can be determined by turning the equipment off and on, the user is encouraged to try to 
correct the interference by one or more of the following measures:

•  Reorient or relocate the receiving antenna.
•  Increase the separation between the equipment and the receiver.
•  Connect the equipment into an outlet on a circuit different from that to which the 

receiver is connected.

•  Consult the dealer or an experienced radio/TV technician for help.

Recycling notice: If the time comes and this apparatus has fulfilled its destiny, 
do not throw it out into the trash. It has to be carefully recycled for the good 
of mankind, by a facility specially equipped for the safe recycling of electron-
ic apparatii. Please contact your local or state recycling leaders for assistance 
in locating a suitable nearby recycling facility. Or, contact us and we might be 
able to repair it for you.

Important Safety Instructions

Summary of Contents for BLX-1K

Page 1: ...signal routing Send and receive audio up to 1000 feet High gain low noise outputs Independent gain and attenuation controls Standard Cat5 6 wiring Ground lift option Integrated mounting brackets Cage Free Op amps BALANCED LINE TRANSCEIVER ...

Page 2: ...balanced to unbalanced conversion Separate Balanced Line Driver Stage Separate Balanced Line Receiver Stage Independent gain controls on both the drive side and receive side for quick set up Simple extension of high quality audio signals up to 1000 feet over 300 meters Perfect for separating amps and sources in multi room audio Easy signal routing over Cat5 or Cat6 A few notes before installation ...

Page 3: ...e literature accompanying the appliance Caution to reduce the risk of electric shock do not disassemble the apparatus There are no user serviceable parts inside Refer servicing to qualified personnel This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against ...

Page 4: ...s switch sets the configuration of the Ethernet pins in the Balanced Input Output Ethernet jack If the first unit is set to A then set the other unit to B in order to send and receive audio signals 7 Ground Lift shielded Cat5 6 only The default Ground setting should be good If you get a ground loop AC hum noise though you can push this switch in on one side or the other to create a drain wire set ...

Page 5: ...ther then you might increase the Input Gain a bit and check you results If you boost this Input Gain control too much and you clip the amp or downstream signal processor you can reduce the Output Level BTW clipping sounds like a distorted signal so turn down the Output Level until the distorted sound goes away A B Switch If one side is set to A then the other side should be set to B It s just that...

Page 6: ...o system and any source from the distributed audio system available to the local zone Smart TV Cat5 6 up to 1000 Music Streamer Audio Matrix Analog output from audio matrix Analog output from audio streamer Digital output from smart TV Analog output from audio streamer Digital output from audio streamer Analog output from audio matrix Bijou 600 ...

Page 7: ... 1 Audio Source 2 Audio Source 3 music streamer To theater room To audio zones Loop output from M6400 music streamer Line output from XR 8 2 ch downmix Loop output from M6400 music streamer The 2 channel downmix from a Concert XR 8 is sent to the distributed audio system Music streamer content is sent to Concert XR 8 for theater room enjoyment ...

Page 8: ...ceiving device Turn down the source device output Hum or buzz in audio Inspect the wiring Make sure there isn t a cut in the wiring that is shorting to ground Turn up the input and or output levels If the output level is turned too far down in some configurations you may not get much audio at all and you ll end up boosting the noise floor Try lifting the ground on one side or both sides via the Gr...

Page 9: ... to your friends It s a warranty that looks out for you and helps you resist the temp tation to have your friend who s good with electronics try to repair your AudioControl product So go ahead read this warranty then take a few days to enjoy the BLX 1K before sending in the warranty card and comments Conditional doesn t mean anything ominous The Federal Trade Commission tells all manufacturers to ...

Page 10: ... Balanced Output Leve1 15 Vrms Output Impedance 150 Ω Performance Frequency Response 20 Hz to 20 kHz 1 dB Signal to Noise Ratio 100 dB THD 0 1 General Power Supply 24 VAC Current Draw 50 mA Maximum Cat5 6 Cable Length 1000 feet 300 meters Weight 1 0 lbs Dimensions 6 2 W x 4 3 D x 1 H 2022 AudioControl All rights reserved All specifications are subject to being covered in hot sauce without notice A...

Page 11: ...11 Complimentary Notes page filled with horizontal lines that may be used for notes sonnets poems shopping lists and complex crossover equations ...

Page 12: ...Quick Start Guide PN 915 030 0 Rev C The End The Wallflower 1 1 START FINISH ...

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