Mackie C300 Manuel utilisateur

C300

2-way passive loudspeaker

SERVICE MANUAL

2000 MACKIE DESIGNS, INC.

INTRODUCTION

This manual contains basic service information. It is essential that you have a copy of the

user’s manual as this contains the complete operating instructions.

SERVICE TECHNICAL ASSISTANCE

Mackie Designs, Service Technical Assistance, is available 8AM - 5PM PST, Monday

through Friday for Authorized Mackie Service Centers, at 1-800-258-6883. Feel free to call

with any questions and speak with a carefully-calibrated technician. If one is not

available, leave a detailed message and a qualified Mackoid will return your call asap.

DISCLAIMER

The information contained in this manual is proprietary to Mackie Designs, Inc. The entire

manual is protected under copyright and may not be reproduced by any means without

express written permission from Mackie Designs, Inc.

SERVICE ON THIS EQUIPMENT IS TO BE PERFORMED BY

EXPERIENCED REPAIR TECHNICIANS ONLY

CONTENTS

Introduction...................................................................... 2

Overview........................................................................... 3

Specifications................................................................... 4

Schematics....................................................................... 5

Parts ................................................................................... 6

Click on any item to open that page

Overview The Cabinet

The cabinet material is very strong and

is rigid enough to prevent unwanted

vibrations and standing waves in the

cabinet. It has built-in fly points for

hanging, and a socket in the bottom

for mounting on a tripod stand. The

asymmetrical trapezoidal design of the

cabinet also makes it easy to use as a

floor wedge for stage monitor

applications.

InputsThe C300 input is a Speakon

connector, wired as follows:

Pin 1+ is Positive (+)

Pin 1– is Negative (–)

(Pins 2– and 2+ are not used)

The C300i input is 1/4” TS (tip-sleeve),

wired as follows:

The Tip is Positive (+)

The Sleeve is Negative (–)

The C300 has a Speakon® input, and

the C300i has a 1/4 inch phone jack.

Apart from this difference, all details in

this manual apply to both models.

The C300 is a portable two-way

loudspeaker system, capable of

extremely high sound pressure levels.

The Transducers

The C300 has a 12” high-power low-

frequency woofer and a 1.75” mylar

diaphragm high-output compression

driver. The woofer incorporates

technology used in large-format

touring systems and has a precision 3-

inch voice coil.

The high-frequency compression driver

is mounted on a multi-cell aperture

loaded on a constant directivity horn,

providing an ultra-wide, controlled

dispersion pattern and precise

reproduction of the critical upper mid-

range and high-frequencies. The result

is an smooth off-axis response.

Each driver has been specifically

designed for optimum performance in

a lightweight high-strength cabinet.

The Crossover

This unique Low Impedance

Compensated Crossover (LICC) design

places inductors in series with the

woofer whose values are markedly

lower than conventional designs. This

reduces the amount of energy that is

typically wasted as heat and increases

the amount of energy that is

transformed into real acoustic power. It

also incorporates dynamic protection

for the compression driver from non-

linear signals.

SPECIFICATIONS

Low-Frequency Transducer

Diameter 300mm (12”)

Voice Coil Diameter 175mm (3”)

Sensitivity(1W@1m) 98 dB

Nominal Impedance 8 ohms

Power Handling 300 watts

Frequency Range 50Hz – 3000Hz

High-Frequency Driver and Horn

Diaphragm Diameter 44.5mm (1.75²)

Exit Throat Diameter 24.5mm (1²)

Diaphragm Material Mylar

Sensitivity(1W@1m) 106 dB

Nominal Impedance 8 ohms

Power Handling 150 watts

Frequency Range 1000Hz – 20,000Hz

Horn Type Composite: Exponential/

Conical

Mouth Size 304.8mm (12”) W x

177.8mm (7”) H

Horizontal Coverage90º ±10º (1kHz – 20kHz)

Vertical Coverage 45º ±10º (2.8kHz – 20kHz)

System Specifications

Input Type (C300i) 1/4-inch phone jack

Input Type (C300) Speakon®

Input Impedance 8 ohms

Max Input Power 300 watt

Enclosure Alignment Sixth-Order

Over-Excursion Protection

Second-Order

High-Pass Filter

Acoustic Frequency Response

45Hz – 20,000Hz

Low Freq–3 dB Point 55Hz

Maximum SPL @ 1m 126 dB

Low-Frequency Crossover Type

24 dB/octave, time offset

corrected

High-Frequency Crossover Type

24 dB/octave

Crossover Frequency 1800Hz

Driver Protection Dynamic protection for

compression driver

Operating Temp Range –10ºC - 45ºC (14ºF -

113ºF)

Physical Properties

Height 66.0cm (25.98”)

Width 39.6cm (15.58”)

Depth 37.5cm (14.75”)

Weight 19.5kg (43lbs.)

Enclosure Geometry:Asymmetrical Trapezoidal

Mounting Methods:

Integrated mounting points, 10mm, two each

located on each side, top, bottom, and rear of the

enclosure.

Disclaimer

Since we are always striving to make our products

better by incorporating new and improved materi-

als, components, and manufacturing methods, we

reserve the right to change these specifications at

any time without notice.

“Mackie” and the “Running Man” figure are

trademarks or registered trademarks of Mackie De-

signs Inc.

All other brand names mentioned are trade-

marks or registered trademarks of their respective

holders, and are hereby acknowledged.

stabilizing feet

0.32mH

6.8 uF/100V

0.5mH

-WF

+IN

-IN

10 F/100V

3x12 /20W

+WF

WF/8

1.5 /20W

0.2mH

TW/8

-TW

+TW

3x18 /20W

0.1mH

1 uF/100V

4.7 uF/100V

L4 10 /20W

SE034414

C300/MACKIE12P FILTER. ELECTRIC DIAGRAM

-1

1-IN

+IN

1-IN

ELECTRIC DIAGRAM FOR PROTECTION AND INPUT ASSEMBLY C300

JACK AND SPEAK-ON

CONNECTORS

EXTERNAL POWER

SUPPLY FOR

AT THE FILTER

2K2/0.25W

1K/0.5W

1000uF/16V

560/0.25W

220/0.25W

1N4148

IRFP 140

DZ 12V

4XMUR 410

D3 D4

+IN

+P +IN -IN

SE034530

C300/MACKIE12P

D=2

S=3

G=1

13110051 MACKIE C300i

PARTNO. DESCRIPTION QTY NOTES

C300i PARTS LIST

SE034414 SCHEMATIC 1 SEE PAGE 5

SC034519 WIRING DIAGRAM 1 SEE PAGE 5

21110090 LOUDSPEAKER L12 1 WOOFER

23020530 PCB INPUTS-PROTECTION ASSY 34528-1 1 SEE PAGE 7

23030130 CROSSOVER 34412 1 SEE PAGE 7

23102840 SUPPORT DRIVER 1

23103060 CABLEW-TW ASSEMBLY 1

23103260 CABLEINPUTS ASSEMBLY 1

23103270 CABLEPROTECTION ASSEMBLY 1

23103690 ACCESSORIESBAG (FEET) 1

25110140 TWEETER N 350-MACKIE P 1 TWEETER

32910010 FIBER WASHER 12108 2

32910020 NYLONWASHER 11791 2

33090290 REARCASE 33928 1

33090300 FRONTCASE 33929 1

33100180 REARPANEL 35027 1

33160150 GASKETSUPPORT TW 33760 1

33160530 GASKETWOOFER 21202 1

33221370 GRILL WOOFER 34316 1

33890070 CABLEFASTENER 110 1

33890100 FOOTCABINET 34287 3

33900100 HANDLE 33931 2

33900110 TOPHANDLE 33937 1

33900120 INSIDE HANDLE 33939 2

33910170 KNOB 33934 1

33910250 SOUND ABSORBING STUFF 34373 1

33910260 WASHER FOR PCB 34599 4

33920240 SPACER FOR HANDLE 33832 4

33920300 NUT 33713 8

33920510 NUT 34202 2

33921480 INSERT 31832 10

33921580 SPACER 33359 8

33950530 NUMBER LABEL 50487 3

33951180 C300 LABEL 33932 1

33951360 MACKIELABEL 34044 1

33951420 INSERT COVER 34236 10

33951570 MACKIE LABEL FOR INSERT 34410 1

33960750 OWNER’SMANUAL MOD.1715 1

33990640 INSIDE PACKAGING PROTECTION 34045 1

33990830 INSIDE PACKAGING PROTECTION 34262 1

33990840 BOX 34266 1

33990850 BTM PANEL FOR PALLET 34263 0.0555

33995370 CARD CORNER FOR BOX 33302 0.2222

33995470 TOP COVER FOR BOX 0.0555

43900140 GASKET 2.05

43900820 GASKET 1.2

51150311 SCREW+M4 X8 ZNN U7687 60951

51150532 SCREW+M6X20 INOX ZNN U7687 4

51170416 SCREW SC+M5X10 INOXZNN U7689 4

51190310 SCREW CEI M6 X16 ZNN U5931 4

51190336 SCREW CEI M6 X35 ZNN U5931 50762 8

51240407 SCREW C+ B 3,9X9,5ZNN U6954 8

51310523 SCREW+SL 4X20 ZNN 6175 3

51992002 SCREW+AB POLI 3,5X16 ZNN 6

RECONE KIT WOOFER C300 PART#: 11440005

PARTNO. DESCRIPTION QTY

51992003 SCREW1/2C.B.+GS3 4,2X20 ZNN 4

51992004 SCREW 1/2C.B.+GS3 4,2X30 ZNN 6

51992007 SCREW C+GS3 4,8X50 ZNN 4

51992008 SCREW C+GS3 4,2X20 ZNN 9

51992010 SCREW 1/2C.B.+GS3 4,8X50 ZNN 2

51992012 SCREW 1/2C.B.+GS3 4,8X60 ZNN 15

52100101 WASHER 15X28 ZNC U6592 10

52100121 WASHER 6,4X12,5ZNNU6592 0174 12

52100133 WASHER 15X28 ZNN U6592 2

52301004 WASHER A 6,4 U1751 171 4

59023472 BAG 500+100+100X1200 34174 1

59999990 STRING CM 7 1

59999994 STRING T & B M 23 50152 1

83433027 C3C33-019M004- 4P MALE CONNECTOR 1

23020530 INPUT/PROTECTION PCB ASSEMBLY

PARTNO. DESCRIPTION QTY NOTES

33030550 PCB C.S.MR 34528-1 1

33120380 HEATSINK 35023 1 FOR MOSFET

51150220 SCREW V.TC+M3 X10ZNC U7687 50149 1

52100103 WASHER 3.2X 6ZNC U6592 12272 1

81121029 C1R21-251J221-RES.STR. 1/4W5% 220 1 RESISTOR

81121034 C1R21-251J561-RES.STR. 1/4W5% 560 1 RESISTOR

81121041 C1R21-251J222-RES.STR. 1/4W5% 2.2K 1 RESISTOR

81121110 C1R21-501J102-RES.STR. 1/2W5% 1K 1 RESISTOR

81511039 C1E11-160*102-COND.EL. 16V1000 U 1 CAP. LYTIC 16V, 1000UF

82112001 C2D12-750*151-DIODE 1N4148 1 DIODE

82122015 C2D22-101*402-DIODE MUR410 4 DIODE

82131050 C2D31-501J120-ZENER 0.5W 12V 1 ZENER DIODE 12V

82262014 C2T62-313A101-MOSFET IRFP140 1 MOSFET IRFP140

83412015 C3C12-014F003- STEREO JACK 2

83434002 C3C34-002M003-FASTON 90 1

83811009 C3A11-009 -INSULATING STRIP 1

23030130 FILTER ASSEMBLY

PARTNO. DESCRIPTION QTY NOTES

01821203 M6R21-003B -ADHESIVE 5

01881104 M6R81-004M -HARDENER 5

33030380 PCB C.S.MR 34412 1

33120370 HEATSINK FOR RESISTORS 35018 1

54100620 RIVET OU 35-50 SN 50269 1/2 2

59999992 SEAL T & B M 24 2

59999994 SEAL T & B M 23 50152 3

59999995 SEAL T & B M 25 2

81244156 C1F44-203J1R5-RES.FILO 20W5% 1.5 1 WIRE WOUND RESISTOR

81246013 C1F46-203J100-RES.FILO 20W5% 10 1 WIRE WOUND RESISTOR

81246014 C1F46-203J120-RES.FILO 20W5% 12 3 WIRE WOUND RESISTOR

81246016 C1F46-203J180-RES.FILO 20W5% 18 3 WIRE WOUND RESISTOR

81412019 C1C12-101K105-CAP.FILM100V10% 1U 1 CAP,FILM

81412023 C1C12-101K475-CAP.FILM100V10% 4.7U 1 CAP,FILM

81412024 C1C12-101K685-CAP.FILM100V10% 6.8U 1 CAP,FILM

81412025 C1C12-101K106-CAP.FILM100V10% 10U 1 CAP,FILM

81612045 C1L12-101B281-INDUCTOR 1 INDUCTOR

81632015 C1L32-501A281-INDUCTOR 1

81632017 C1L32-321A231-INDUCTOR 1

81632020 C1L32-201A181-INDUCTOR 1

13112039 MACKIE C300

PARTNO. DESCRIPTION QTY NOTES

23020520 PCB INPUTS-PROTECTION ASSY 335016 1

33100140 REARPANEL 35016 1

NOTE: The C-300 speaker is the same as the C300i except for the following parts:

NOTE: The C300 PCB INPUT BOARD (23020520) uses the SPEAKON connector, not the 1/4” stereo jacks like

the C300i.

The SPEAKON connector is part number:

83415001 C3C15-001F004-CONNECTOR 2

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