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Rolls RA170 Mono Power Amplifier - 70V/70W Audio Distribution

B&H # RORA170 MFR # RA170
Rolls RA170 Amplifier

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You Pay: $171.95

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The RA170 mono power amplifier was designed especially for the installation contractor, and is housed in a single rack-space unit with a choice of either an RCA coaxial or 1/4" TS phono unbalanced input. The 70 volt speaker outputs are provided via spring-loaded terminals and no transformer is required for speaker connection.

The front panel includes a power indicator LED, a volume control, and two clip LED's which indicate circuitry overload. The output circuitry of the RA170 is protected from momentary shorting and excessive load by a specially designed protective circuit.

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
Power Rating Mono @ 70V: 70 watts maximum
Damping Factor Not applicable
Input Sensitivity Not specified by manufacturer
Input Impedance 147k ohm
Gain 40dB
Frequency Response 70Hz to 20kHz
Signal-to-Noise Ratio Better than 114dB @ 70 watts
Total Harmonic Distortion (THD) Not specified by manufacturer
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) None
Indicators 2 x Clip, 1 x Power LED's
Cooling Convection (uses front panel for heat distribution)
Power Consumption Not specified by manufacturer
Dimensions 19" x 5" x 1 3/4"
Weight 5.5 lbs
Specialties Requires no transformer coupling to drive 70 volt speakers directly
Rolls RA170 Mono Power Amplifier - 70V/70W Audio Distribution
  • External Power Adapter
  • One Year Warranty
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