background image

MA1705 Mixer / 70 V A

MA1705 Mixer / 70 V A

MA1705 Mixer / 70 V A

MA1705 Mixer / 70 V A

MA1705 Mixer / 70 V Am

m

m

m

mplif

plif

plif

plif

plifier

ier

ier

ier

ier

The MA1705 is a single rack space mixer amplifier designed for small installation applications. 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. Priorit y talkover is provided on Microphone
One for paging, and on Source Three for a jukebox, telephone, etc.  The power amplifier provides 70
Watts of power when connected to a 70 volt speaker system..

FE

FE

FE

FE

FEA

A

A

A

AT

T

T

T

TURES:

URES:

URES:

URES:

URES:

• Two Microphone inputs with phantom power
• Tone controls for each Mic input
• Three stereo Source inputs
• Direct access to the power amp section
• Bass and Treble controls on Sources One and Two
• Priorit y ducking on Mic Two and Source One
• Stereo pre-master level Record Output
• Balanced 70 volt line output
• Drives 70 volt speakers directly
• Spring-loaded output terminal
• Clip indication
• Fault protected output

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

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:

- 80 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)

IMPORTANT NOTICES: THIS UNIT IS NOT DESIGNED TO

DRIVE SPEAKERS DIRECTLY, IT IS FOR OPERATION IN 70

VOLT SYSTEMS.  TOTAL TAPS SHOULD NOT EXCEED 70

WATTS. THE FRONT PANEL ACTS AS THE HEAT SINK FOR

THIS UNIT AND MAY GET HOT UNDER A HEAVY LOAD.

ROLLS Coporation
5968 South 350 West, Salt Lake City, UT, 84107
(801) 263-9053  FAX (801) 263-9068
[email protected] • www.rolls.com

MIC ONE

MIC 

TW

O

tone

tone

SOURCE

ONE

SOURCE

TW

O

SOURCE

THREE

TREBLE

BA

S

S

0            10

OUTPUT

LEVEL

pwr

c

lip

MA1705

 Mix

er / 70 

V

olt

Amplifier

-             +

-             +

0

           10

0           10

0           10

0           10

0           10

321

RECORD

OUTPUT

MIC TWO

M

IC ONE

SOURCE 1

MIC 2

on

SOURCE INPUTS

PO

WER AMP

INSER

T

OUTPUT

W

A

RNING:

 

DO NO

T EXPOSE 

THIS EQ

UIPMENT 

T

O

 

RAIN OR MOISTURE.

NO USER SER

VICABLE P

A

R

TS INSIDE.

MODEL MA1705

MADE IN USA

www

.r

olls.com

SERIAL NUMBER

1705 -

 RISQ

UE DE CHOC - NE P

AS ENLEVER

PHANTOM 
POWER

PRIORITY 

21

not used

not used

Отзывы: