Martin Audio MA1.3s SPECIFICATIONS MA1.3S, Maximum Output Power, Maximum Output Voltage, Inputs

CONTENTS

<	>	PRINT
		GUIDES

12	SPECIFICATIONS MA1.3S
MAXIMUM OUTPUT POWER		EIA @1kHz 1% thd	FTC 20 – 20kHz @ 0.1% thd
8Ω	per Channel	350W	340W
4Ω	per Channel	650W	630W
2Ω	per Channel	1100W	1050W
8Ω	Bridged	1400W	1300W
4Ω	Bridged	2200W	1900W
MAXIMUM OUTPUT VOLTAGE
8Ω load		53Vrms
Peak voltage, no load		78Vrms
POWER REQUIREMENTS		230V version	115V version
Operating voltage		130 – 270 Vac	65 – 135Vac
Minimum start up voltage		175Vac	85Vac
Peak inrush current		5A	5A
MAINS CURRENT DRAW @ 4 Ohms		230V version	115V version
Quiescent current (no load)		0.9 Arms	1.8 Arms
1/8th Full power (both channels driven)		5.0 Arms	10 Arms
1/3rd Full power (both channels driven)		8.0 Arms	16 Arms
Full power (1Khz @1% thd)		14.0Arms	28.0 Arms
DISTORTION		0.07%
THD 20Hz – 20KHz 1W to full power
THD @ 1KHz 1dB below clip		0.01%
DIM 30 @ 3dB below clip		0.008%
HUM / NOISE		< -105dB
CHANNEL SEPERATION		-70dB
OUTPUT IMPEDANCE		30mΩ
SLEW RATE		40V∝S

INPUTS

ENGLISH

DIP switch selectable gain Ref 4Ω for full power

Impedance

c.m.r.r.

DIMENSIONS

WEIGHT

Gain dB	20	23	26	29	32	35	38	41
Input dBu	+16.7	+13.7	+10.7	+7.7	+ 4.7	+1.7	- 1.3	- 4.3
Input V rms	5.30	3.75	2.65	1.88	1.33	0.94	0.67	0.47

20KΩ Differential

10KΩ Single ended

50dB

(W)483mm x (H) 88mm x (D) 325mm (incl. Handles)

(W)19ins x (H) 3.5ins x (D) 12.8ins (incl. Handles)

7.9Kg (17Ibs)

All material © 2007. Martin Audio Ltd. Subject to change without notice.

16

Martin Audio – MA1.3s Amplifier