Rolls MA1705 Handleiding

Rolls Mengpaneel MA1705

Lees hieronder de 📖 handleiding in het Nederlandse voor Rolls MA1705 (2 pagina's) in de categorie Mengpaneel. Deze handleiding was nuttig voor 51 personen en werd door 2 gebruikers gemiddeld met 4.5 sterren beoordeeld

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MA1705
Mixer / 70 Volt Ampli er
Quick Start Quide
ROLLS CORPORATION
SALT LAKE CITY, UTAH
4/12
SPECIFICATIONS
MIXER
Input Impedance: Mic: 600 Ohms XLR balanced
Source:
22K
Ohms
RCA
Insert: 22K Ohms 1/4” TS unbal.
Max Input Level: Mic: -14 dBV Mic level Max
Source: 24 dBV
Insert: 24 dBV
Connectors: 2: XLR, 6: Stereo RCA, 3: 1/4” TRS, 1: 1/4” TS,
1: 1/8” (3.5mm)
Phantom Power: +12 VDC
Max Gain: Mic: 60 dBV
Source: 26 dBV
Tone Controls: +/-12 dB 100 Hz Bass
+/-12 dB 11kHz Treble
Noise Floor: Speaker Out: -67 dBV
Pre Out: -90 dBV
THD + Noise: -82 dBV
S/N Ratio: 96 dBV
Priority Attenuation: 60 dBV
POWER AMP
Recommended Load: 70 Volt line (70 Watts maximum)
Frequency Response: 60Hz to 20 kHz
Size (W x H x D): 19” x 1.75” x 5” (48 x 4.5 x 12.7)
Weight: 5.5 lbs (2.5 kg)
SCHEMATIC
NOTE: THIS MANUAL ASSUMES THE USER HAS A WORKING KNOWLEDGE OF AUDIO ELECTRON-
ICS, BALANCED AND UNBALANCED CONNECTIONS, AND PROPER SIGNAL LEVEL SETTING.
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INTRODUCTION
Thank your for your purchase of the Rolls MA1705 Mixer / Ampli er. The MA1705 is a single rack
space mixer ampli er designed for restaurants, schools, churches, clubs etc. The unit provides
a compact and e cient way to mix up to three sources such as AM/FM tuners, CD players, and
video players with up to two microphones. Priority talkover is provided on Microphone Two for
paging, and on Source One for a jukebox, telephone, etc.
INSPECTION
1. Unpack and inspect the MA1705 box and package.
If obvious physical damage is noticed, contact the carrier immediately to make a damage claim.
We suggest saving the shipping carton and packing materials for safely transporting the unit in
the future.
2. For warranty information, and to register your MA1705 warranty, please visit our website at
www.rolls.com and click on the Register Your Warranty Here button.
DESCRIPTION
FRONT PANEL
Treble: Adjusts the high frequencies of the Source 2 and 3 signals only.
Bass: Adjusts the low frequencies of the Source 2 and 3 signals only.
IN 1: 1/8” (3.5mm) Tip-Ring-Sleeve input jack - parallels the rear-panel Source Input 1.
Source 1 - 3: Adjust the volume of input from the RCA Source Inputs.
Mic 1, 2: Adjust the level of signal from the corresponding Mic Input.
TONE 1, 2: Adjusts the frequency content of the microphone signal in the channel. When the
control is turned counter-clockwise, the high frequencies are cut, when the control is turned
clockwise, the low frequencies are cut.
Output Level: Adjusts the output level of the MA1705 ampli er.
Power: LED indicating power is applied to the MA1705 and the unit is on.
Clip. LED indicating overload in the MA1705 ampli er.
REAR PANEL
120 VAC 50/60 HZ 15 VA: IEC Power Cord. Connect to a properly grounded AC source. NOTE:
REPLACE THE FUSE WITH ONLY THE PROPER RATED FUSE. INSTALLING A FUSE OTHER THAN THE
RECOMMENDED RATING WILL DAMAGE THE UNIT.
OUTPUT: Spring-loaded terminal for connection to the speakers.
POWER AMP INSERT: 1/4” Tip-Send, Ring-Return insert jack for.
MICROPHONE ONE and TWO: Balanced XLR inputs to be connected to dynamic or condenser
microphones.
DIP SWITCH: Contains the small switches for engaging Mic 1, 2 phantom power, and the priority
(Talk Over) functions.
SOURCE INPUTS: Stereo RCA jacks, Channels 1 - 3, for connection to stereo sources such as AM/
FM tuners, cassette players, cd players, or a jukebox.
RECORD OUT: Stereo RCA jacks, contains all mixed signals before the Master Level control.
CONNECTION
Inputs
Connect low impedance microphones to the Mic inputs. If a paging microphone is being used,
connect it to Mic Input 2 so it may be used with the Talk Over function. Connect source signals
such as CD players, cassette players or video players to the RCA Source Inputs. If a jukebox is
being connected, and you want its signal to mute the other source signals, connect it to Source
input 1.
For recording purposes, connect a stereo RCA cable to the Record Out jacks, and to your record-
ing device.
Amp Insert
To connect a signal processor to the
MA1705 signal, use an insert plug, or
cable wired as shown in Fig. 1. This
return signal is then sent to the output
level section of the ampli er.
Output
Connect 70 Volt speakers to the Output of the MA1705 by pressing in each of the spring-loaded
terminals and inserting the proper wire into the proper terminal i.e.; + = red, - = black.
To Amp Insert
OPERATION
DIP SWITCH SETTINGS (From left to right)
• If a microphone requires phantom power, move the Mic channel’s corre-
sponding PHANTOM POWER switch to the up position. This applies 12 volts
dc phantom power to the indicated microphone.
• Mic 2 Priority; when in the up position, all program material on Mic 1 and
Sources 2 and 3 will be ducked” or muted when a signal is present at Mic 2.
Source 1 is left un-muted.
This function is used for paging.
• Source 1 Priority: when in the up position, Source 2,and 3 will be “ducked”
or muted by the signals at Source 1.
This function is for jukebox priority. With a jukebox connected to Source input 1, and the Talk-
over switch 2 on, the other Source input signals such as background music, will be muted and
only the jukebox will be heard.
FAULT PROTECTION
The fault protection in the MA1705 limits the current to the output stage. This mode is entered
whenever the output stage is called upon for too much power, it may also be fooled by imped-
ances lower than four ohms - which may cause the output stage to overheat and be irreversably
damaged.
BURN WARNING!
THE FRONT PANEL OF THE MA1705 IS THE HEAT DISTRIBUTION FOR THE OUTPUT STAGE. IF THE
UNIT IS OPERATED AT HIGH VOLUMES, IT MAY GET HOT.
SOURCE
1
MIC 2
o
n
PHANTOM
POWER
PRIORITY
2 1
not used
not used


Product specificaties

Merk: Rolls
Categorie: Mengpaneel
Model: MA1705

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