Logic 3 RAT 1 Manual de usuario

Busca en linea o descarga Manual de usuario para Equipo musical Logic 3 RAT 1. Logic 3 RAT 1 User's Manual Manual de usuario

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1
Speakers & Volume Controls
RAT1
REMOTE AUTO TRANSFORMER
The RAT1 is an infrared remote controlled stereo
speaker volume control with impedance matching
capability. It allows individual volume control of from
one to 16 pair of stereo speakers from one stereo
power amplifier, using one RAT1 for each stereo
speaker pair. It is controlled with any Xantech IR
Receiver or keypad or with Xantech MIRV1 motorized
volume controls. The RAT1 maintains correct imped-
ance matching between the amplifier and the speak-
ers with the use of instant setting S1 to S8 jumpers,
located on the unit. This eliminates the need for
separate impedance matching devices in multi-room
installations.
FEATURES AND SPECIFICATIONS
10-position relay driven stepped auto transformer design.
Tri-Fi™ winding system for highest quality audio performance.
Amplifier Input: 4-screw plug-in connector.
Speaker Output: 4-screw plug-in connector.
IR, STATUS & +12V: 4-screw plug-in connector.
STATUS Input Jack: 2.1mm coaxial type.
POWER Input Jack (+12V): 2.1mm coaxial type.
Power Consumption: 300 mA @ +12V DC. Use Xantech Model 786-00 or 782-00 Power Supply.
• Requires IR commands from the RC68+ (or RC68) Programmer or from the MIRV1, for volume
operations.
Using the RC68+ Programmer, internal E
2
PROM can be set to different group codes for independent
operation of RAT1's when on a common IR bus.
Factory preset Group Code number is 30.
Independent grounds between channels.
75 watts per channel music power, 25 watts per channel continuous.
Frequency response: 20 Hz - 20,000 Hz ±1 dB at 1 Watt power input.
Attenuation: 10 steps at 3 to 6 dB per step, 35 dB maximum.
Impedance Multiplier Settings: S1, S2, S4, & S8.
Plug-in connectors accept wire sizes from 24 to 12 gauge.
"Flat Pack" design permits easy mounting.
Dimensions: 8" x 4-1/8" x 2-5/8" (203mm x 105mm x 67mm).
Fig. 1 The RAT1
S8
S4
S2
S1
L+ L– R– R+L+ L– R– R+
AMPLIFIER
INPUT
SPEAKER
OUTPUT
STATUS
POWER
IR IN
STATUS
GND
+12 VDC
12VDC
RAT1
REMOTE AUTO TRANSFORMER
INSTALLATION INSTRUCTIONS
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Indice de contenidos

Pagina 1 - INSTALLATION INSTRUCTIONS

1Speakers & Volume ControlsRAT1REMOTE AUTO TRANSFORMERThe RAT1 is an infrared remote controlled stereospeaker volume control with impedance match

Pagina 2 - Programmer

10In some cases you may need todrive more than one set of speakersfrom a single RAT1, such as in largerooms or adjoining areas wherecommon volume ope

Pagina 3

22A B C ADJ-OFF12345678GLOBALZ-ADJTREBLEVOLMUTEON OFFE-FLAT LAST MAX-V TRIMOFF C-BALBASSINPUTARC68+ PROGRAMMER80 48 10 90 0100 C0 50 D0 4140 A0 30 B0

Pagina 4

3Speakers & Volume ControlsWHEN USING 8 OHM SPEAKERSNumber of Speaker Pairs UsedS1 S11 2 3 4 5 6 7 8 9 10 11 12 1

Pagina 5

4Procedure for Speakers Other Than 4 or 8 OhmsIn this case, treat all speakers that are rated between 4 and 7 Ohms as 4 Ohm speakers, and use the cha

Pagina 6

5Speakers & Volume Controls6. Multiply 1.14 by 8 (for the S8 setting) = 9.12 Ohms.7. Next, calculate the overall paralleled impedance ZO. Since

Pagina 7 - ROOM 4ROOM 3

6If you wish to carry remotes that have the same codes from room-to-room, use a Dedicated IR BusSystem as shown in Fig. 4.5. A 490-30 "Micro Lin

Pagina 8

7Speakers & Volume ControlsFig. 3 A RAT1 System Using a Common IR BusRAT112VDC+12 VDCGNDSTATUSIR INEMITTERSIRRCVR789-44CONNECTING BLOCK®S8S4S2S1

Pagina 9

8INSTALLATION – DEDICATED IR BUS SYSTEMFig. 4 illustrates an installation where each remote room has a Dedicated IR Bus going to the RAT1 thatcontrol

Pagina 10 - INSTALLATION (cont'd)

9Speakers & Volume ControlsFig. 4 A RAT1 Dedicated IR Bus SystemRAT1S8S4S2S1L+L–R– R+L+ L– R– R+AMPLIFIERINPUTSPEAKEROUTPUTSTATUSPOWERIR INSTATU

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