The MA1705 from Rolls is a single rack space unit mixer/amplifier designed for paging and background music in installed applications. It has 2 XLR microphone inputs and 3 stereo pairs of RCA jacks for CD players, AM/FM tuners and similar audio devices. The MA1705 provides 70 watts of power into a 70 volt speaker system.
Other features include direct access to the power amp section via a 1/4" connector, bass and treble controls on sources one and two, a stereo pre-master record output, and spring-loaded output terminals. Priority ducking for paging is provided on microphone one and RCA source three.
| Output Power | 70 watts (For 70V System) |
| Input Sensitivity |
Mic: -14 dBV RCA: 24 dBV Amp Insert: 24 dBV |
| Input Impedance |
Mic: 600 ohms RCA: 22 k ohms Amp Insert: 22 k ohms |
| Gain |
Mic: 60 dBV RCA: 26 dBV |
| Frequency Response | 60Hz - 20kHz |
| Signal-to-Noise Ratio | 96 dBV |
| Total Harmonic Distortion (THD) | 0.06% |
| Input Connections |
2 x 3-Pin XLR Female 3 x Stereo Pairs of RCA Jacks 1 x 1/4" Power Amp Insert |
| Output Connectors |
1 x RCA Stereo Pair 1 x Spring-Loaded 70V Line Output (Balanced) |
| Controls Front Panel |
Power Switch 5 x Volume Level Controls 2 x Mic Tone Controls 1 x Bass Control Knob 1 x Treble Control Knob 1 x Master Output Level Knob |
| Controls (Rear) |
2 x Priority Dipswitches 2 x Phantom Power Dipswitches |
| Indicators | Power and Clip LEDs on Front Panel |
| Cooling | Front Panel Acts as Heatsink |
| Power Consumption | Not Specified by Manufacturer |
| Dimensions (WxHxD) | 19 x 1.75 x 5" (483 x 44 x 127 mm) |
| Weight | 5.5 lbs (2.5 kg) |
| Specialties | N/A |
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Pros
Cons
Best Uses
Comments about Rolls MA1705 5-Input Mixer/Amplifier:
Unit has good input selection including an input for 3.5mm stereo connectors.
Displaying review 1
Displaying review 1
Pros
Cons
Best Uses
Comments about Rolls MA1705 5-Input Mixer/Amplifier:
Unit has good input selection including an input for 3.5mm stereo connectors.
Displaying review 1