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Rolls RA170 Mono Power Amplifier - 70V/70W Audio Distribution
Model: RA170
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Packaging Info
| Package Weight | 7.75 lb |
| Box Dimensions (LxWxH) | 21.654 x 8.268 x 3.858" |
General Information
| 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 |
| Power Rating | Mono @ 70V: 70 watts maximum |
| 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 |
| Controls Front Panel | Power switch, 1 x Rotary volume |
| Damping Factor | Not applicable |
Inexpensive, easy replacement for old, blown amp in existing 70v system.
Good, clean sound for the price. Perfect for adding remote speakers in the hallways and nursery at the church. All other amps I considered for this purpose were much more expensive.
I used this amplifier for a commercial sound masking system installation and it worked GREAT!
I bought several more after evaluating the first one. I highlight recommend.
heavy and does what it was made for.
Good, clean amp. I have it connected to 6 horns.
Excellent product
Reasonable price, performed as advertised. Using it for church choir loft speakers. If you have only a few 70 volt speakers, this does the job.
Plug and play 70v system. It's not very feature rich, but did exactly what I needed.
- Rolls RA170 Mono Power Amplifier - 70V/70W Audio Distribution
- External Power Adapter
- One Year Warranty
