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Rolls RA170 70V/70W Mono Power Amplifier

SKU: ROLRA170 MFR: RA170
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Key Features

  • Experience high output power with this 70-watt mono amplifier for clear, robust audio.
  • Enjoy a signal-to-noise ratio better than 114dB, ensuring pristine sound quality for your setup.
  • This power amplifier's reliable protection circuitry keeps your equipment safe from damage.
  • Easily connect using RCA or 1/4" inputs; perfect for versatile audio system integration.
  • With a damping factor, this amp delivers tight, controlled bass for superior sound clarity.
  • The Rolls RA170 offers low THD, providing clean, distortion-free amplification for critical listening.
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Rolls RA170 Specifications

  • Power Rating

    Mono @ 70V: 70 watts maximum

  • Input Impedance

    147k ohm

  • Gain

    40dB

  • Frequency Response

    70Hz to 20kHz

  • Signal-to-Noise Ratio

    Better than 114dB @ 70 watts

  • Input Connections

    1 x RCA coaxial, 1 x 1/4" TS phono

  • Output Connectors

    1 x Pair spring loaded speaker connectors

  • Controls Front Panel

    Power switch, 1 x Rotary volume

  • Controls (Rear)

    No

  • Indicators

    2 x Clip, 1 x Power LED's

  • Cooling

    Convection (uses front panel for heat distribution)

  • Specialties

    Requires no transformer coupling to drive 70 volt speakers directly

  • Dimensions

    19" x 5" x 1.75" / 48.26 x 12.7 x 4.44 cm

  • Weight

    5.5 lbs / 2.49 kg

  • UPC Code

    675889017007

About Rolls RA170

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 mind, the front panel of the RA170 is equipped with a clear Power indicator LED, allowing for at-a-glance verification of the unit's operational status. The intuitive Volume control knob provides precise adjustments to the audio level, ensuring optimal sound quality for any environment.

In addition, the RA170 is designed with safety and durability in mind. Two Clip LEDs are prominently positioned on the front panel to alert users to any circuitry overload, safeguarding the amplifier against potential damage. Moreover, the RA170's output circuitry is fortified with a specially designed protective circuit, which offers robust defense against momentary shorting and excessive load conditions, ensuring long-term reliability and performance stability.

Whether you're setting up a commercial sound system or outfitting a large venue, the RA170 70V/70W Mono Power Amplifier is engineered to deliver consistent, high-quality audio amplification, while its robust construction and protective features provide peace of mind for both installers and users.

Rolls RA170 Features

  • Mono 70 volt amplifier
  • Drives 70 volt speakers directly
  • Choice of RCA coaxial or 1/4" TS phono input
  • Spring loaded speaker output
  • Clip indication
  • Fault protection output

Product Documents

User Manual

Key Features

  • Experience high output power with this 70-watt mono amplifier for clear, robust audio.
  • Enjoy a signal-to-noise ratio better than 114dB, ensuring pristine sound quality for your setup.
  • This power amplifier's reliable protection circuitry keeps your equipment safe from damage.
  • Easily connect using RCA or 1/4" inputs; perfect for versatile audio system integration.
  • With a damping factor, this amp delivers tight, controlled bass for superior sound clarity.
  • The Rolls RA170 offers low THD, providing clean, distortion-free amplification for critical listening.

What's in the box:

  • Rolls RA170 70V/70W Mono Power Amplifier
  • External Power Adapter
  • Rolls 1 Year Parts and Labor Limited Warranty