Adire Audio KIT281 Manuel utilisateur

KIT281 Assembly Instructions 1

commercial use only. Any use of this design for profit, in any way shape or form, without the express

written consent of Adire Audio is strictly prohibited.

KIT281 Instructions

Adire Audio

1111 Elliott Avenue W

Seattle, WA 98119

206-789-2919

[email protected]

http://www.Adireaudio.com

TABLE OF CONTENTS

1. INTRODUCTION................................................................................................................................................2

2. PARTS .....................................................................................................................................................................2

3. NEEDED TOOLS.................................................................................................................................................2

4. SPEAKER ASSEMBLY.....................................................................................................................................3

4.1. MOUNT CROSSOVERS.....................................................................................................................................3

4.2. CONNECT DRIVERS..........................................................................................................................................3

4.3. MOUNT DRIVERS.............................................................................................................................................3

4.4. TEST, TEST, TEST.......................................................................................................................................3

4.5. ENJOY!..............................................................................................................................................................3

5. SYSTEM TROUBLESHOOTING..................................................................................................................4

6. CABINET PLANS................................................................................................................................................5

6.1. DRIVER LAYOUT.............................................................................................................................................5

6.2.SEALED CABINET PLANS...............................................................................................................................7

6.2.1. Cut Lists..................................................................................................................................................7

6.2.2. Drawings................................................................................................................................................8

6.3. VENTED CABINET PLANS.............................................................................................................................11

6.3.1. Cut Lists................................................................................................................................................11

6.3.2. Drawings..............................................................................................................................................12

6.4. TRANSMISSION LINE CABINET PLANS.......................................................................................................13

6.4.1. Cut Lists................................................................................................................................................13

6.4.2. Drawings..............................................................................................................................................14

KIT281 Assembly Instructions 2

commercial use only. Any use of this design for profit, in any way shape or form, without the express

written consent of Adire Audio is strictly prohibited.

1. Introduction

Welcome to Adire Audio’s KIT281 loudspeaker system. The KIT281 is a high-efficiency MTM system

designed for home audio reproduction, as well as home theater applications. It features two Adire Audio

AV8 midwoofers and a single Audax TM025F1 tweeter per side, which yield an in-room system sensitivity

of 92 dB SPL @ 2.83 Vrms.

2. Parts

Your kit should include the following parts:

Part Qty Use

KIT281/W 2KIT281 woofer crossover

KIT281/T 2KIT281 tweeter crossover

AV8 8” video shielded midwoofer 4Woofers

TM025F1 video shielded tweeter 2Tweeters

SBP two-terminal circular input cup 2Single pair input cup

0.25” female FAST-ON connector 16 Terminal connectors

6/32x0.75” black oxide screw 24 Cup/crossover mounting

Small T-nut/socket cap screw set 8Tweetermounting

Large T-nut/socket cap screw set 32 Woofer mounting

If any parts are missing, please contact the factory as soon as possible, and we’ll correct the shortage.

3. Needed Tools

You’ll need the following tools to assemble the KIT281:

-Philips screwdriver

-7/64” allen key

-9/64” allen key

-Pliers

KIT281 Assembly Instructions 3

commercial use only. Any use of this design for profit, in any way shape or form, without the express

written consent of Adire Audio is strictly prohibited.

4. Speaker Assembly

4.1. Mount crossovers

Using the 6/32 black screws, mount the crossovers in the cabinet, making sure the wires can reach from the

input cup to the drivers.

citors down with the masking tape.

4.2. Connect drivers

Connect the drivers to the crossovers. Simply slide the FAST-ON connectors on the speaker tabs. Make

sure the polarities are all correct.

4.3. Mount drivers

Use the smaller T-Nut sets to mount the tweeters in their holes. Use the larger T-Nut sets to mount the

woofers in their holes.

4.4. TEST, TEST, TEST

Connect the connection wires to the drivers. For the Audax tweeter, note that the positive terminal is the

wider terminal! The narrow terminal is negative. Now mount the crossovers in the cabinets; lay them

down on any suitable brace, or strap them to the wall of the cabinet with masking or duct tape.

Mount the drivers into the cabinets. Now connect the crossover input wires to the terminal cup. Connect

the terminal cup to your amp, and TURN THE VOLUME ALL THE WAY DOWN.

Start playing some music. Turn the volume up VERY slowly. Put your ear in front of the tweeter, to make

sure no bass is coming from it. Likewise, listen to EACH woofer to make sure no really high frequencies

are coming from them.

SLOWLY increase the volume a bit more. Listen to the soundstage, frequency response, and general

timbre of the speaker. If all sounds OK, then continue on to the next step. Otherwise, see section5for

details on tracking down a potential crossover problem.

4.5. Enjoy!

We trust this step is self-explanatory…J

KIT281 Assembly Instructions 4

commercial use only. Any use of this design for profit, in any way shape or form, without the express

written consent of Adire Audio is strictly prohibited.

5. System Troubleshooting

So you encountered a few problems in assembling the speakers. Here are some common tips to check over:

1. Make sure the polarity of the drivers is observed. Reverse connections will create a deep suckout in

the midrange.

2. Make sure the drivers are wired to the outputs of the crossover.

3. Verify that the tweeter polarity is correct: the positive tweeter terminal is the wider terminal.

4. Contact us! We try to answer all questions within one business day. You can reach us at

[email protected], phone at 206-595-3524, or FAX us at 630-839-6192.

KIT281 Assembly Instructions 5

commercial use only. Any use of this design for profit, in any way shape or form, without the express

written consent of Adire Audio is strictly prohibited.

6. Cabinet Plans

We provide three basic cabinet plans for you touse: a sealed box, a vented box, and a transmission line

box. Also provided is the basic driver layout, if you decide to build your own box design.

6.1. Driver Layout

Note that this layout is what we designed around. Keep the baffle width the same as shown here, and the

driver locations the same with respect to the upper right hand corner, and you can rest assured that the

crossover will function fine. There’s really no reason to change the XO if the baffle is longer, or the box

alignment changes; those effects will only make a difference in the sub-200 Hz range, where the crossover

has no impact.

KIT281 Assembly Instructions 6

commercial use only. Any use of this design for profit, in any way shape or form, without the express

written consent of Adire Audio is strictly prohibited.

TITLE

DWG NOSIZE REV

SHEETSCALE

CAGE CODE

KIT281 BAFFLE LAYOUT

1200-0011 -

N/A DRAWN BY DCWN/A 1 of 1

Black solid lines are viewable edges

Grey lines are normally hidden from view

Red lines are for dimensions

Blue lines are for construction/reference

Green lines are text/labels

LEGEND:

reproduction of this design without the

express written consent of Adire Audio

is strictly prohibited, and punishable by law.

CONSTRUCTION NOTES

4.5 in

6.75 in

9 in

5 in

10.5 in

16 in

BAFFLE LAYOUT (ROTATED 90 DEGREES TO FIT ON PAGE)

R3.5 in

R4.13 in

R3.5 in

R4.13 in

R1 in

R1.38 in

AV8 Rabbeting not required; if used, rabbet depth is 0.25"

F1 rabbeting not required; if used, rabbet depth is 0.1875"

Maintain driver positioning with respect to corner A

Maintain baffle width of 9" external

Corner A

KIT281 Assembly Instructions 7

commercial use only. Any use of this design for profit, in any way shape or form, without the express

written consent of Adire Audio is strictly prohibited.

6.2. Sealed Cabinet Plans

The Sealed Cabinet KIT281 is a net 27 liters, stuffed with 16 ounces of polyfill (8 ounces behind the each

midwoofer). This alignment is designed to provide bass extension to 68 Hz anechoic, with a system Qtc of

0.81. The result is a slight bump in the midbass, which is recommended for limited-bandwidth systems.

The higher-Qtc value, in combination with the 68 Hz anechoic extension, will yield typical in-room

extension into the 40 Hz range.

Maximum SPL (driven with 100W) will be in excess of 105 dB SPL (at 1 meter) from 30 Hz and up, which

makes this system well-suited for home theater applications. In addition, the system will handle 100W

continuously over the entire audio bandwidth while remaining within linear excursion limits.

6.2.1. Cut Lists

6.2.1.1. Panel cuts

QTY SIZE USE

222” x 9” Front and back

29” x 12.5” Top and bottom

220.5” x 12.5” Sides

17.5” x 20.5” Vertical internal brace

17.5” x 5.75” Front horizontal brace

17.5” x 6” Rear horizontal brace

6.2.1.2. Hole/baffle cuts

QTY SIZE USE

27” diameter Midwoofer cutouts; cut in front panel

12” diameter Tweeter cutout; cut in front panel

26” diameter Internal air flow; cut in vertical brace

14” diameter Internal air flow; cut in rear horizontal brace

12” x 3.25” Tweeter clearance; cut in front horizontal brace

KIT281 Assembly Instructions 8

commercial use only. Any use of this design for profit, in any way shape or form, without the express

written consent of Adire Audio is strictly prohibited.

6.2.2. Drawings

TITLE

DWG NOSIZE REV

SHEETSCALE

CAGE CODE

KIT281 SEALED CABINET

1200-0012 -

N/A DRAWN BY DCWN/A 1 of 3

Black solid lines are viewable edges

Grey lines are normally hidden from view

Red lines are for dimensions

Blue lines are for construction/reference

Green lines are text/labels

LEGEND:

reproduction of this design without the

express written consent of Adire Audio

is strictly prohibited, and punishable by law.

CONSTRUCTION NOTES

4.5 in

2.25 in

9 in

22 in

R3 in

R3.5 in

R4.13 in

R3 in

R3.5 in

R4.13 in R1 in R1.38 in

7.5 in

10.38 in 9.38 in

4.25 in

5 in5.5 in5.5 in6 in

6.5 in

6.75 in

14 in

9.38 in10.38 in

10.38 in 9.38 in

5.75 in

6 in

5.75 in

6 in

6 in6 in

4 in

3.75 in

1 in

7 in

8.25 in

2 in

2.75 in

7 in

8.25 in

Cabinet is 9" wide, 22" high, 14" deep

Construction uses 3/4" thick stock (MDF or better)

Driver rabbets are not required, but shown for clarity if rabbeting is desired

Face and back are completely outset, sides are completely inset, top/bottom are mixed

Internal vertical baffle is perforated with two 6"d holes

Internal rear horizontal baffle is perforated with one 4"d hole

Internal front horizontal baffle is not perforated

FRONT VIEW

SIDE VIEW

One channel shown; mirror image driver layout for other channel

KIT281 Assembly Instructions 9

commercial use only. Any use of this design for profit, in any way shape or form, without the express

written consent of Adire Audio is strictly prohibited.

TITLE

DWG NOSIZE REV

SHEETSCALE

CAGE CODE

KIT281 SEALED CABINET

1200-0012 -

N/A DRAWN BY DCWN/A 2 of 3

Black solid lines are viewable edges

Grey lines are normally hidden from view

Blue lines are for construction/reference

Green lines are text/labels

LEGEND:

reproduction of this design without the

express written consent of Adire Audio

is strictly prohibited, and punishable by law.

CONSTRUCTION NOTES

Cabinet is 9" wide, 22" high, 14" deep

Construction uses 3/4" thick stock (MDF or better)

Driver rabbets are not required, but shown for clarity if rabbeting is desired

Face and back are completely outset, sides are completely inset, top/bottom are mixed

Internal vertical baffle is perforated with two 6"d holes

Internal rear horizontal baffle is perforated with one 4"d hole

Internal front horizontal baffle is not perforated

4.25 in

3.25 in

9.38 in

7.5 in

4.5 in

9 in

10.38 in

7.5 in

R3 inR3 in

6 in

5.75 in 6.5 in

6.75 in

14 in

9.38 in

6 in

4 in

1 in

3.75 in

2 in

10.38 in

5.75 in

6 in

10.38 in

FRONT CUTAWAY VIEW SIDE CUTAWAY VIEW

One channel shown; mirror image driver layout for other channel

KIT281 Assembly Instructions 10

commercial use only. Any use of this design for profit, in any way shape or form, without the express

written consent of Adire Audio is strictly prohibited.

TITLE

DWG NOSIZE REV

SHEETSCALE

CAGE CODE

KIT281 SEALED CABINET

1200-0012 -

N/A DRAWN BY DCWN/A 3 of 3

Black solid lines are viewable edges

Grey lines are normally hidden from view

Blue lines are for construction/reference

Green lines are text/labels

LEGEND:

reproduction of this design without the

express written consent of Adire Audio

is strictly prohibited, and punishable by law.

CONSTRUCTION NOTES

Cabinet is 9" wide, 22" high, 14" deep

Construction uses 3/4" thick stock (MDF or better)

Driver rabbets are not required, but shown for clarity if rabbeting is desired

Face and back are completely outset, sides are completely inset, top/bottom are mixed

Internal vertical baffle is perforated with two 6"d holes

Internal rear horizontal baffle is perforated with one 4"d hole

Internal front horizontal baffle is not perforated

7.5 in

R3 inR3 in

3.75 in

7.5 in

4.25 in11 in5.25 in

7.5 in

3.75 in

5.75 in

4.25 in

2 in

3.25 in

3.75 in

3 in3 in 6 in

R2 in

VERTICAL BRACE

VIEWED FROM FRONT

FRONT BRACE

VIEWED FROM TOP

(notch is for clearance

of TM025F1 tweeter)

REAR BRACE

VIEWED FROM TOP

One channel shown; mirror image driver layout for other channel

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