Amplifiers Rolls

The Bellari VP549 is a phonograph preamplifier with RIAA EQ. RIAA equalization is a specification for the recording and playback of phonograph records, established by the Recording Industry Association of America (RIAA). In this preamp the RIAA EQ reduces high frequency noise such as hiss and clicks that arise from the recording medium. This also reduces physical stresses on the phonograph stylus.Rolls VP549 Specifications:I/ O Connectors: RCA, 1/8" TRS StereoInput Sensitivity: 30 dB gain @ 1kHz, 47k ohmsInput Impedance: 47k ohmsOutput Impedance: 32 ohms Headphone, 470 ohms RCAFrequency Response: 14Hz to 23kHzMax Output Level: >10dB @ 1kHz at .1% dist.Equalization: RIAA +/- 1 dB, 20Hz to 20kHzRumble …

Record players require special equalization because of the frequency response of recording on vinyl. The VP29 equalizes and amplifies the phono signal to a clean, and full line level for professional amplification.FeaturesRIAA EQRCA inputs/outputs, 1/4" TRS outputAdapter includedPower LEDCompact designSpecificationsI/ O Connectors: RCA, 1/4" TRS StereoInput Sensitivity: 35 dBV gain @ 1kHz, 47k Ohms Input ZInput Capacitance: 5pf + cable capacitanceInput Impedance: 50k OhmsOutput Impedance: 1 K OhmsMax Output Level: >10dB @ 1kHz at at 1% dist.Frequency Response: + / - 1.5dB 20 Hz - 20 kHzTHD .02% @ 1 kHzS/N Ratio: >80 dB unweightedPWR: 12 - 18 VDCIndicator: 1 Power LEDDimensions: 3.25" x 2" x 1.…

The Rolls HR251 is a simple, durable two-channel amplifier designed for clean output and dependability.

How can you elevate your audio experience? With the Rolls RA235 Stereo 35W Power Amplifier, a robust and powerful piece of audio equipment designed for both musicians and studio owners. This high-quality amplifier is not just a device; it's a game-changer in the realm of sound amplification. Engineered to perfection, this advanced power amplifier boasts an impressive power output of up to 99 watts per channel. This makes it an ideal choice for those high-end speakers that demand more power to deliver crystal-clear, high-quality sound. The RA235 is not just about power; it's also about reliability and durability. Crafted by Rolls, a brand synonymous with excellence in the audio industry, this

The Rolls RA2100B is a stereo 100W/channel RMS power amplifier in a standard 2 rack space format. It is intended for professional audio and distributed musical applications. The unit features 100 Watts per channel RMS into four ohms, 85 Watts per channel into eight ohms and for the contractor - 70 Volts / eight ohms. The unit also features Moseft drivers in a voltage and current gain circuit and a one-second input turn-on delay. The RA2100b will drive 25 Volt speaker lines directly from each channel, or 70 Volt lines bridged.

Make the most of your professional audio installations with the RA170 70V/70W Mono Power Amplifier, meticulously engineered to meet the demands of installation contractors. This compact powerhouse occupies a mere single rack space, making it an ideal choice for setups where space is at a premium.The RA170 boasts versatile connectivity options, featuring both an RCA and a 1/4" unbalanced input, ensuring seamless integration with a variety of audio sources. The amplifier's 70-volt speaker outputs are efficiently realized through spring-loaded terminals, which negate the need for an external transformer when connecting speakers, thus simplifying the installation process.Crafted with the user in

The Rolls PM55P with built-in Optical Limiter is designed for performers who need to monitor their own signal, such as their vocal, with the main mix. The unit has become very popular with drummers who need to mix a click with a monitor signal. And many sound technicians use the PM55P as a quick line tester to troubleshoot audio systems. Operates on either one 9 volt battery or the included PS27s power supply. The PM55P also has an included belt clip.Rolls PM55P Features:Built-in switchable Optical LimiterXLR Mic In & Pass ThroughGround lift on XLR signalStereo/Mono 1/4" Monitor Input3.5mm and 1/4" Headphone outputsPowered by one 9 volt battery or the included PS27s power supplyLots of output …

The Rolls PA202 is a compact class D amplifier. It has 20 watts per channel stereo @ 4 Ohms and 40 watts when in bridge/mono mode @ 8 Ohms. The class D low heat design gives the PA202 the ability to be mounted in very tight applications.It will work great in ceilings by projectors, or anywhere small and heat free amplification is required. The PA202 is in an all metal chassis. Bottom mounts are provided for permanent installations. The PA202 has an included 24 VDC IEC laptop type external power supply.

Rolls' MA252 is a compact class D stereo amplifier with a 4-channel stereo mixer built in. It has 20 watts per channel @ 4 Ohms. The class D low-heat design gives the MA252 the ability to be mounted in very tight applications. It will work great in ceilings by projectors, or anywhere small and heat-free amplification is required. The MA252 is in an all metal chassis and weighs 1 pound. The MA252's overall dimensions are 6.75" x 3.5" x 1.5". Bottom mounts are provided for permanent installations. The MA252 has anincluded24 VDC external power supply. The 4-channel mixer section consists of 2 separate RCA stereo inputs, along with an XLR mic input and a 3.5mm (1/8") stereo input perfect for an …

The Rolls 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.Rolls MA2355 Features:Two Microphone inputs with phantom powerTone controls for each Mic inputThree stereo Source inputsDirect access to the power amp sectionBass and Treble controls on Sources Two and ThreePriority ducking on Mic Two and Source OneDual pre-master …

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 MA2152 Features:Two Microphone inputs with phantom powerTone controls for …

Are you in search of a robust and reliable power amplifier for your professional audio and visual applications? Look no further than the HR251 50+50W XLR Power Amplifier. This advanced, dual-channel power amplifier delivers a potent 50 watts per channel, making it an ideal choice for powering high-performance speakers or large sound systems. Engineered by Rolls, a brand synonymous with superior audio equipment, the HR251 is built to last. It features an FR4(V94-0) rated glass epoxy circuit board and a durable, powder-coated steel chassis, ensuring longevity and reliable performance. The HR251 50+50W XLR Power Amplifier is equipped with both stereo RCA and XLR line-level inputs, offering

Enhance your audio experience with the Bellari PA253 42W Stereo Power Amplifier, a product meticulously crafted with an unwavering focus on superior sound quality. This high-performance amplifier is constructed in Salt Lake City, Utah, with every step of the process carried out by skilled American workers. The robust chassis of the PA253 is crafted from high-quality steel sheets that are precisely cut, bent, and formed to create a sturdy and durable structure. The steel is then treated with a high-gloss red powder coating, adding a touch of elegance to its aesthetic appeal. At our Salt Lake City factory, we silk-screen the chassis and assemble the Printed Circuit Boards (PCBs). The PCBs are