Apogee AMT-12 Installation And Use Manual Download Page 5

Daisy-Chaining Speakers

In these examples, pins 

1

+ and 

1

- on the Input

(Left) connector receive full-range audio from the
amplifier or from a previous speaker in a chain.

The Parallel Input (Right) connector uses the

1

+ and 

1

- pins to send full-range audio to the

Input connector of another speaker in a chain.

Loop-Thru connects all speakers in the chain in
parallel. Make sure the total impedance of the
chain is not less than what the amplifier is rated
to handle.

In 

Example A

, the speakers are connected

with Speakon

TM

connectors from the Amplifier

to Speaker 

1

, then from Speaker 

1

to Speaker 2.

In 

Example B

, the speakers are connected

with the 

1

/4" Phone connectors from the Amplifier

to Speaker 

1

, then from Speaker 

1

to Speaker 2.

When wiring the Speakon

TM

connector, use

Pins 

1

+ and 

1

-. For the 

1

/4" Phone plug,

use Tip (+) and Sleeve (-). DO NOT wire more
than two speakers in parallel unless the amplifier
is rated for operation at less than 4 ohms.

(not used)

(not used)

Tip (+)

Sleeve (-)

AMPLIFIER

SPEAKER 1

SPEAKER 2

Wire like-named pins together to make loop-thru speaker cables.

+

-

1+

1-

1+

1-

PASSIVE CROSSOVER

H F

L F

Input

Loop-thru

AMPLIFIER

SPEAKER 1

SPEAKER 2

Input

Loop-thru

Speaker Block Diagram

Connector Wiring  Diagram

(View from terminal side)

4

1

+ : Phone Plug Tip and Speakon

TM 

Pin 

1

+

1

-

: Phone Plug Sleeve and Speakon

TM 

Pin 

1

-

Example A

Example B

1

/4" Phone Plug

Speakon

TM

Plug

Summary of Contents for AMT-12

Page 1: ... 2008 Bogen Communications Inc Specifications subject to change without notice 54 2183 01C 0907 AMT 12 AMT 15 Professional Loudspeakers Installation and Use Manual ...

Page 2: ... Panel 3 Daisy Chaining Speakers 4 Speaker Block Diagram 4 Connector Wiring Diagram 4 Specifications 5 Limited Warranty 6 Notice Every effort was made to ensure that the information in this guide was complete and accurate at the time of printing However information is subject to change ...

Page 3: ...rs may also be suspended by attaching forged eye bolts to the rigging points of the speakers Rigging point depth 15mm diameter M8 thread pitch 1 25mm There are two rigging points located on the speak ers top and two on the bottom Plastic screw caps protect the rigging points The enclosures can be suspended from these points with stainless steel wire rope or an equivalent approved by a qualified en...

Page 4: ...at is rarely enough to be a fire hazard it can reduce a significant amount of amplifier power delivered to the loudspeak ers In addition to loudspeakers not reaching their full potential loudness undersized wire will also decrease the woofers ability to respond accurately to transients leaving the bass response loose and inarticulate The appropriate wire size depends on the distance between the am...

Page 5: ... 1 to Speaker 2 In Example B the speakers are connected with the 1 4 Phone connectors from the Amplifier to Speaker 1 then from Speaker 1 to Speaker 2 When wiring the SpeakonTM connector use Pins 1 and 1 For the 1 4 Phone plug use Tip and Sleeve DO NOT wire more than two speakers in parallel unless the amplifier is rated for operation at less than 4 ohms not used not used Tip Sleeve AMPLIFIER SPEA...

Page 6: ...ries Adjustable Rigging Beam Assembly Tripod Stand Color Black Free Space Response SPECIFICATIONS AMT 15 Frequency Response 10 dB 50 Hz to 20 kHz LF Driver 15 High Sensitivity Design HF Driver 1 77 Aluminum Alloy Diaphragm Compression Driver Sensitivity 1W 1M 98 dBspl Impedance Ratings 8 ohms Nominal Power Input Max 300W at 8 ohms continuous Dispersion 60 H 45 V Enclosure Material Mineral filled P...

Page 7: ...EDAND EXCLUDEDTO THE MAXIMUM EXTENTALLOWABLE BY LAW Apogee s li ability arising out of the manufacture sale or supplying of products or their use or disposition whether based upon warranty contract tort or otherwise shall be limited to the price of the product IN NO EVENT SHALLAPOGEE BE LIABLE FOR SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO LOSS OF PROFITS LOSS OF DATA...

Page 8: ...50 Spring Street Ramsey New Jersey 07446 USA 201 934 8500 Fax 201 934 9832 www apogeesound com ...

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