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WARNING:
THE MINIMUM SPEAKER IMPEDANCE IS 4
OHMS.
SPECIFICATIONS:
Line Input Impedance:
Power Output:
Voltage Gain:
Maximum Supply Voltage:
THD:
EIN:
Efficiency:
Input Sensitivity:
Bandwidth:
+Size:
Weight:
Salt Lake City, Utah
3/18
10K Ohms
20 Watts RMS (4 Ohms)
30 dB Line
24 VDC
.05% typical
3 mV
85%
28 mV
20Hz - 25 kHz +/- 3dB
6.75" x 3.5" x 1.5"
1.6 lb.
75889 02580
6
Integrated Amplifier with
RIAA Phono preamp
and Headphone Amp
MADE IN USA
PWR
www.rolls.com
MA258
PHONO
• Integrated Amplifier
• Built in Headphone Amplifier
PS12
+
• Low noise, efficient operation
LEFT
BOTH OUTPUTS MUST BE USED
• Small compact size
4
• Class D high efficiency amp
MA251
CLASS AMP
5 + 5 WATT MIX/AMP
MA258
HEADPHONE
-
0
10
VOLUME
TREBLE
MA258
+
IN 2
RIGHT
-
-
+
R
MUTE
RIGHT
L
CH 2
MONO
LINE
INPUT
OUT
Connection guide
CH 4
3.5mm
CH 4
CH 3
STEREO
LEVEL
LEVEL
INPUT
SELECTOR
PHONO
IN 1
CH2
CH1
-
+
+
BASS
ROLLS
SPEAKER OUTPUTS
PS24
-
-
+
LEFT
R
R
CH 1
INPUT
L
L
ON - OFF
PHANTOM
CH 3
CH 2
POWER
INPUT
INPUT
CH 1
CH 2
LEVEL
LEVEL
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Table of Contents
Related Manuals for Rolls MA258
Summary of Contents for Rolls MA258
-
Page 1: Specifications
WARNING: THE MINIMUM SPEAKER IMPEDANCE IS 4 OHMS. MA258 Integrated Amplifier with RIAA Phono preamp and Headphone Amp SPECIFICATIONS: Line Input Impedance: 10K Ohms Power Output: 20 Watts RMS (4 Ohms) INPUT SELECTOR Voltage Gain: 30 dB Line PHONO IN 1... -
Page 2: Rear Panel
The MA258 also has a very well designed headphone output so it can be used as a stand alone headphone amplifier. The MA258 was The inputs and outputs of the MA258 are self explanatory. Plug a signal in, select designed to have the highest level of sound quality, whether you are using it as a the source, and connect to your desired headphones or speakers.
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