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ROLLS  ABC904   (ABC904)
App 514-721-1518   
The ABC904 is a passive stereo or mono signal switching device designed to route a single signal to three outputs, or three input signals to a single output. For the guitarist, the ABC904 is used to select between three guitars to a single amplifier, or possibly a single guitar switched to three separate amplifiers.
 
ROLLS  ADB2   (ADB2)
App 514-721-1518   
The Rolls ADB2 is powered by standard microphone phantom power from 9 to 48 VDC and uses a discrete low-noise differential driver to make it very quiet. The Rolls ADB2 has two 1/4" input jacks wired in parallel, a male XLR output and a 3 position attenuator and ground lift switches.
Input -10 to +40 dB unbal
Output: -10 to +2 dB bal XLR pin 2+
Bandwidth: 1-50K Hz
S/N Ratio: 100 Db
Jacks (2) 1/4" phone, XLR Male
Attenuation: 0 dB, 20 dB, 40 dB
Phantom Power: 9 to 48 VDC
Size 2" X 3.5" X 1.23"
 
ROLLS  BC17   (BC17)
App 514-721-1518   
The BC17 attaches to the back of a PM50s, PM50sOB, or PM351 to provide mobile use of those units. A screw is provided to attach to the back of the Personal Monitor unit.
 
ROLLS  CL151   (CL151)
App 514-721-1518   
The CL151 GLC is a unique dynamics processor with the added benefit of a microphone preamp. The unit features smooth, soft-knee compression and limiting, and noise gating for quiet operation. Gating is indicated by a front panel LED, and gain reduction is indicated via a 5-LED ladder.
 
ROLLS  CS1000   (CS1000)
App 514-721-1518   
CS1000 Cable Scanner The CS1000 is a price/performance breakthrough in the cable maintenance, signal testing market. It tests ten different types of cable ends. Each cable being tested has its pinout scanned for continuity as well as proper polarity. Plus, the unit features a 1 kHz Test Tone oscillator with a calibrated variable level control. The balanced test signal is sent out each of the jacks on one side of the unit providing a convenient way to verify proper operation of audio equipment. It can be heard through headphones and has enough level to hear through a speaker. The RJ jacks allow ringing out phone lines and other installed wiring. The CS1000 also features Phantom Power Voltage and polarity (both signals present) testing as well.
 
ROLLS  CT1   (CT1)
App 514-721-1518   
Any Musician or sound person knows how difficult it is to maintain cables. The CT 1 provides an efficient way to detect shorted or open cables. The unit tests 1/4" TS, 1/4" TRS, RCA, XLR and MIDI cables. Plus - it will test combinations of the above. This unit is a MUST-HAVE.
 
ROLLS  DB14b   (DB14b)
App 514-721-1518   
The DB14b is a special purpose direct box for applications where a stereo source signal can be separated, and individual volume controls used for each track such as an AV presentation from a laptop computer, or a rehearsing choir to a music track. It has stereo RCA and 1/8" inputs, 2 volume controls, RCA and XLR outputs, and uses no power.
 
ROLLS  DB24   (DB24)
App 514-721-1518   
introducing the new DB24 Stereo Direct Interface. This unit is a two channel isolation device designed to connect high impedance devices to low impedance. The unit is completely passive, and utilizes Rolls proprietary audio transformers for superior sound. A heavy duty steel chassis was chosen to provide maximum reliability when used in demanding live sound reinforcement applications. A variety of inputs are provided including stereo and mono 1/4", stereo RCA, and stereo 1/8" (3.5mm). The DB24 is an ideal impedance matching device for connecting any unbalanced stereo signal to a balanced system. Consumer audio equipment such as CD players, DVD players, MP3 players, etc., may be easily connected to a professional audio system.
 
ROLLS  DB25b   (DB25b)
App 514-721-1518   
The DB25b is a transformer balanced, passive direct box. It features a Ground Lift switch for hum elimination, and an Attenuator control for padding the input signal from -20dB to -infinity dB. Padding the input signal provides a way to connect the DB25b to a line level signal, even a speaker level signal and connecting it to a balanced line or Mic input on a mixer. The two 1/4 inch; inputs are paralleled pass-throughs to also send the input signal to a tuner, pre amp, etc..
 
ROLLS  DU30b   (DU30b)
App 514-721-1518   
The DU30b is a microphone preamp and background music preamp. When an announcement is made into the microphone, the music is automatically "ducked" under the announcement. Then the music is brought back to it's previous level.
 
ROLLS  EB77   (EB77)
App 514-721-1518   
Stereo Earbuds
Headphone Amplifiers and Personal Monitor Systems
 
ROLLS  EQ210   (EQ210)
App 514-721-1518   
The EQ210 is a small graphic EQ that enables you to boost or cut the signal at 10 different frequency points. The EQ210 is perfect for installations, and since it is stereo it's great for use with desktop speakers, mixers and powered speakers, micpreamps, keyboards, computers and more.
 
ROLLS  HA43Pro   (HA43Pro)
App 514-721-1518   
The HA43 Pro is a full frequency response four channel headphone monitoring device designed for the recording studio, or other professional applications like listening rooms and monitoring stations. Each output boasts a whopping 20 dB of clean channel gain.
 
ROLLS  HA540   (HA540)
App 514-721-1518   
The Bellari HA540 is a audiophile grade headphone amplifier. The all class A signal path ensures smooth clean analog audio. The 0 feedback design means smooth natural analog response. It features 2 input paths and high gain for MP3 players, ipod, etc and a low gain path from audio selectors, mixers, satellite receivers, etc.. It also features direct into the tube grid coupling for no loss or distortion. The unit is included with a universal powersupply for use most anywhere in the world.
 
ROLLS  HE18   (HE18)
App 514-721-1518   
The HE18 is a two channel audio hum and buzz remover. Everyone knows how annoying it is to have 60 cycle hum in your sound. Now you can eliminate virtually all ground hum and buzz by simply inserting the HE18 into the audio path. Plus, the unit will convert an unbalanced signal into a balanced signal, and vice-versa. This greatly improves overall noise performance.
 
ROLLS  HR31   (HR31)
App 514-721-1518   
Half Rack Mounting Panel
2 of these brackets attach to the HR72,73,78 to allow those units to be rack mounted. These only work with those 3 HR units
 
ROLLS  HR72   (HR72)
App 514-721-1518   
The HR72 is a 1/2 rack space CD/MP3/USB/SD/MMC player. The unit is ideal for installation applications like restaurants, clubs, schools, churches, or aerobic studios to name a few. The HR72 plays standard audio CDs as well as CDs formatted with MP3 files. The single rack space height makes it convenient to install in most any professional audio rack.
 
ROLLS  MA2152   (MA2152)
App 514-721-1518   
Stereo 100 Watt Mixer/Amplifier 2U
The MA2152 is a two rack space mixer amplifier designed for restaurants, schools, churches, clubs etc. The unit provides a compact and efficient 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 One for paging, and on Source Three for a jukebox, telephone, etc. The power output section may be connected to 4, 8, or 16 ohm speakers, or directly connected to a 70 volt system without the need for additional transformers. Several configuration options are possible including full stereo, mono 70V, dual mono 25V, etc..
 
ROLLS  MA2355   (MA2355)
App 514-721-1518   
Stereo 35 Watt Mixer /Amplifier 1U
The MA2355 is a single rack space mixer amplifier designed for small installation applications. The unit provides a compact and efficient 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 One for paging, and on Source Three for a jukebox, telephone, etc. The power amplifier provides 35 Watts of power connected to 8 ohm speakers. IMPORTANT NOTICES: THE FRONT PANEL ACTS AS THE HEAT SINK FOR THIS UNIT AND MAY GET HOT UNDER A HEAVY LOAD.
 
ROLLS  MB15B   (MB15B)
App 514-721-1518   
"Promatch" 2-way +4/-10 Converter
The MB15 ProMatch converts consumer level stereo RCA signals to balanced XLR professional line level, and back. One side of the unit, labeled 1, has two XLR inputs and stereo RCA outputs. The other side labeled 2, has stereo RCA inputs and two XLR outputs. Each side has stereo level controls, and an LED indicates that power is applied to the unit. An additional benefit of the MB15 is that it will act as a balanced XLR line level control. By adding a stereo pair jumper between the four RCA jacks (connecting ins to outs), the two Level controls may be inserted into any balanced XLR line.
 
ROLLS  MM11   (MM11)
App 514-721-1518   
Mic Mute
The MM11 MicMute is a simple device designed to temporarily mute a balanced XLR signal and will pass phantom power. Simply press the switch for muting, and release to hear the signal again. Used primarily for muting microphones, the MM11 has a large actuator switch which may be used by hand as well as foot.
 
ROLLS  MO2020   (MO2020)
App 514-721-1518   
Test Tone Oscillator
The MO2020 provides a sine and square wave output on two 1/4" jacks. The frequency range is variable from 20Hz to 24kHz, it accepts a 1.2 to 5 volt dc input on a 1/4" jack for external frequency control, and a 10 dB Output Pad is included to provide a -10 dB reference signal.
 
ROLLS  MP128   (MP128)
App 514-721-1518   
Midibuddy Midi Pedal Board
The MP128 is a MIDI foot controller designed to send MIDI program change on any of the 16 MIDI channels, or MIDI song select with start and stop buttons. The MIDIBUDDY also features MIDI sharing and operates via MIDI phantom power, which eliminates the need for the irritating "wall-wart" power supply.
 
ROLLS  MP13   (MP13)
App 514-721-1518   
Mini Single Channel Mic Preamp
The MP13 is a small, simple, and inexpensive microphone pre amplifier for a variety of applications. The unit has XLR and 1/4" Outputs, XLR and 1/8" Inputs, and a single Gain control with a Clip indicator. Switchable Phantom Power is included for use with a condenser microphone. The unit comes complete with a power adapter.
 
ROLLS  MS111   (MS111)
App 514-721-1518   
Mic Switch On/Off
The ROLLS MS111 is a general purpose muting switch for microphones and will pass phantom power. It is configurable to be Push to Mute, Release to Mute, Push ON and Push OFF maintained contact. It is the only switch of this kind we know of and is the result of many requests for variations of our popular MM11 that is push to mute only. The MS111 is configured by a switch accessed on the side that will reverse the action in momentary mode and by moving a wire on the main switch to the side for momentary. Or the center for maintained action. If a particular configuration is desired they may be ordered that way from the factory. Otherwise button down latching is the default from the factory.
 
ROLLS  MS20c   (MS20c)
App 514-721-1518   
Splitter/Combiner/Isolator
The MS20c Splitter / Combiner / Isolator will split a single balanced XLR signal into two isolated signals, combine two balanced XLR signals together into a single, or simply isolate a balanced line for buzz or hum elimination. Please note that when combining two condenser microphones, phantom power voltage is passed to only one of the microphones due to the internal isolation transformer.
 
ROLLS  MSC106   (MSC106)
App 514-721-1518   
Mic Stand Clamp for Accessories
The MSC106 is a stand bracket with tension adjustment screw - designed for attachment to any Rolls Accessory such as a PM50s, PM351, HA43 Pro, etc. It's made of thick steel for strength, and has two holes through which the screws attach to the back of the accessory product. The bracket may be easily mounted to microphone stands, music stands, etc., for convenient operation of the attached accessory.
 
ROLLS  MX22s   (MX22s)
App 514-721-1518   
Mini Mix 2 CH 1/4" & RCA Mixer
The MX22s is a 2 Channel mixer for mixing a 1/8" line signal such as a laptop computer or Ipod, and a stereo RCA signal such as a CD player. The MX22s has enough output to drive a power amplifier directly, and is ideal for audio visual and aerobics studio applications. The MX22s can be configured as either Stereo (default) or Mono, by moving a shorting jumper on the PCB. Power adapter is included.
 
ROLLS  MX28   (MX28)
App 514-721-1518   
Mini-Mix VI 3 CH Stereo Mixer
The MX28 is a three-channel true stereo line mixer. Each channel has an individual 1/4" input for the right and left sides, and the outputs are individual right and left 1/4" jacks. Each channel has a level and pan (balance) control. The Master Level controls the output volume and the Headphone Level controls the level to the two headphone outputs.
 
ROLLS  MX34c   (MX34c)
App 514-721-1518   
Live Mix 2 CH AV Mixer
The MX34c LiveMix - two channel microphone mixer. Although having many uses, this little mixer was originally designed with the video camera operator in mind. The MX34c is a two channel microphone mixer with balanced XLR inputs, phantom power, and stereo 1/8" (3.5mm) outputs. The 3.5mm output may be switched either mic or line level. It has a stereo 1/8" (3.5mm) Auxiliary input for connection to any stereo line-level source such as an AM/FM tuner, CD player etc. And a 3.5mm headset mic in on the front for narration, etc.. Each channel has a Level and Pan control, and a separate headphone circuit allows for monitoring all signals without effecting the main output signal. Holes for a shoulder strap, easy-access controls, and smart Input/Output jack placement make t...
 
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