Owner's Manual

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MA1705

Mixer / 70 Volt Ampli er

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SPECIFICATIONS

MIXER

Input Impedance: Mic: 600 Ohms XLR balanced

Source:

22K

Ohms

RCA

Insert: 22K Ohms 1/4” TS unbal.

Max Input Level: Mic: -14 dBV Mic level Max

Source: 24 dBV

Insert: 24 dBV

Connectors: 2: XLR, 6: Stereo RCA, 3: 1/4” TRS, 1: 1/4” TS,

1: 1/8” (3.5mm)

Phantom Power: +12 VDC

Max Gain: Mic: 60 dBV

Source: 26 dBV

Tone Controls: +/-12 dB 100 Hz Bass

+/-12 dB 11kHz Treble

Noise Floor: Speaker Out: -67 dBV

Pre Out: -90 dBV

THD + Noise: -82 dBV

S/N Ratio: 96 dBV

Priority Attenuation: 60 dBV

POWER AMP

Recommended Load: 70 Volt line (70 Watts maximum)

Frequency Response: 60Hz to 20 kHz

Size (W x H x D): 19” x 1.75” x 5” (48 x 4.5 x 12.7)

Weight: 5.5 lbs (2.5 kg)

NOTE: THIS MANUAL ASSUMES THE USER HAS A WORKING KNOWLEDGE OF AUDIO ELECTRON-

ICS, BALANCED AND UNBALANCED CONNECTIONS, AND PROPER SIGNAL LEVEL SETTING.

Summary of content (4 pages)

PAGE 1
MA1705 Mixer / 70 Volt Amplifier SPECIFICATIONS MIXER Input Impedance: Mic: Max Input Level: Mic: Connectors: Phantom Power: Max Gain: Mic: Tone Controls: Noise Floor: THD + Noise: S/N Ratio: Priority Attenuation: POWER AMP Recommended Load: Frequency Response: Size (W x H x D): Weight: 600 Ohms XLR balanced Source: 22K Ohms RCA Insert: 22K Ohms 1/4” TS unbal. -14 dBV Mic level Max Source: 24 dBV Insert: 24 dBV 2: XLR, 6: Stereo RCA, 3: 1/4” TRS, 1: 1/4” TS, 1: 1/8” (3.
PAGE 2
INTRODUCTION Thank your for your purchase of the Rolls MA1705 Mixer / Amplifier. The MA1705 is a single 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 Two for paging, and on Source One for a jukebox, telephone, etc. INSPECTION 1. Unpack and inspect the MA1705 box and package.
PAGE 3
CONNECTION Inputs Connect low impedance microphones to the Mic inputs. If a paging microphone is being used, connect it to Mic Input 2 so it may be used with the Talk Over function. Connect source signals such as CD players, cassette players or video players to the RCA Source Inputs. If a jukebox is being connected, and you want its signal to mute the other source signals, connect it to Source input 1. For recording purposes, connect a stereo RCA cable to the Record Out jacks, and to your recording device.
PAGE 4
2 J2 J3A RCAX4 R403 10K 2 6 R401 10K 3 2 P100K X2 P3B 3 5 6 C 470U CHANNEL 2 INSERT RA2355 ONLY C 470U 4560 RED BLK 1 1 47K HDR2 A HDR2 1 HDR2 1A P1 HDR2 A A 47K R404 TO H1D PHONE 1/4 J3 BLK RED 7 7 R7 P100K P2 P100K LEFT IN R12 1K 3 2 U5B 27PF 4560 C502 7 D3 LDRR CLIP D2 LDRR 1U C7 1K 10K J4B 10K R7 R9 L2 0.