Alesis Matica 900 - Manuals

Page 2 - ONTENTS

Contents Matica 500/900 Reference Manual 1 C ONTENTS 1: Introduction ............................................................................. 3 About Alesis Maticaª Amplifiers .........................................................................3Why Another Power Amplifier? ...................

Page 4 - HAPTER; NTRODUCTION; About Alesis Maticaa Amplifiers

Introduction Matica 500/900 Reference Manual 3 C HAPTER 1 I NTRODUCTION AC BRKR POWER CHANNEL A CLIP CHANNEL B CLIP 0 1 2 3 4 6 7 8 9 10 0 5 0 1 2 3 4 6 7 8 9 10 0 5 Figure 1: Amplifier front panel controls. About Alesis Maticaª Amplifiers Thank you for purchasing an Alesis Matica power amplifier, o...

Page 5 - Why Another Power Amplifier?

Introduction 4 Matica 500/900 Reference Manual clipping, not just a designated output voltage which may not correspond to theclipping point if power line voltage is low. The rear panel inputs can be via gold plated 1/4" (6.3 mm) phone jacks, gold plated3 pin XLR-type connectors or barrier screw ...

Page 7 - NSTALLATIONS; Unpacking and Inspection

Installations 6 Matica 500/900 Reference Manual C HAPTER 2 I NSTALLATIONS Unpacking and Inspection Carefully unpack the amplifier and inspect it for physical damage originating inshipping. Do not discard the packing materials; they may be helpful in shippingthe amplifier when it is not mounted in a ...

Page 8 - Electrical Installation

Installations Matica 500/900 Reference Manual 7 Electrical Installation One of the most important considerations for proper installation and operation of apower amplifier is the capacity of the line feeding the mains voltage to theamplifier. If the line does not have sufficient current capacity, the...

Page 9 - Audio Installation: Input Wiring

Installations 8 Matica 500/900 Reference Manual Audio Installation: Input Wiring SHOCK HAZARD – DO NOT OPEN RISQUE DE CHOC ELECTRIQUE – NE PAS OUVRIR TO PREVENT ELECTRICAL SHOCK DO NOT REMOVE COVERS. NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. TO REDUCE THE RISK...

Page 10 - Audio Installation: Output Wiring

Installations Matica 500/900 Reference Manual 9 Figure 5. Balanced wiring of a 1/4Ó (6.3 mm) three-wire phone plug. Figure 6. Unbalanced wiring of a 1/4Ó (6.3 mm) three-wire phone plug All input wiring should be done with shielded cable. To use an unbalanced sourcewith an Alesis amplifier, connect t...

Page 13 - System Setup and Testing

Installations 12 Matica 500/900 Reference Manual What we're doing here is compensation for the fact the Matica's B Channel isnormally internally inverted and then re-inverted at its output. This improves theamplifier's ability to respond to high power low frequency signals better thanconventional am...

Page 15 - MPLIFIER

Installations 14 Matica 500/900 Reference Manual C HAPTER 3 A MPLIFIER O PERATIONS Once all gain adjustments are made and proper operation is confirmed, no specialconsiderations are required for Matica amplifiers. Aside from the front panel gaincontrols, there are no user adjustments or routine main...

Page 17 - ASE

In Case of Trouble 16 Matica 500/900 Reference Manual C HAPTER 4 I N C ASE O F T ROUBLE No Sound ¥Is the power switch on? If not, turn it on. ¥Is the power light on? If not, confirm that the amplifier is plugged into a live AC mains circuit of appropriate voltage and current capacity. ¥Check the cir...

Page 19 - EFERENCE; Preliminary Amplifier Specifications

In Case of Trouble 18 Matica 500/900 Reference Manual C HAPTER 5 R EFERENCE Preliminary Amplifier Specifications Power Output* 8 W 2 Channel 4 W 2 Channel 2 W 2 Channel 8 W Bridged 4 W Bridged Matica 500 162 W 250 W 350 W 500 W 650 W Matica 900 270 W 450 W 680 W 900 W 1350 W *Typical, 1% THD @ 1 kHz...