Amphony 1600 Handbuch

User and Installation Guide

Guide d’Utilisateur et d’Installation

5.8 GHz DIGITAL

Wireless Speaker Kit

5.8 GHz NUMÉRIQUE

Amplificateurs Sans Fil

Model 1600 / Modèle 1600

EN - Contents

Unpacking

Connecting the transmitter

Connecting the amplifiers

Placing the transmitter and amplifiers

Operating the transmitter

Operating the amplifiers

Troubleshooting

Technical specifications

Safety information

Your warranty

FR - Table des matières

Déballage

Branchement du transmetteur

Branchement des Amplificateurs

Emplacement du transmetteur et des amplificateurs

Fonctionnement du transmetteur

Fonctionnement des amplificateurs

Tableau de problèmes/solutions

Spécifications technique

Instructions de Sécurité

Garantie Limitée

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The information contained herein is subject to change without notice.

Revisions may be issued to advise of such changes and/or additions.

All product names, trade names, or corporate names mentioned in this

document are acknowledged to be the proprietary property of the registered

owners.

FCC ID PMJT1500

This device complies with part 15 of the FCC Rules. Operation is subjected

to the following two conditions: 1) This device may not cause harmful

interference and 2) this device must accept any interference received,

including interference that may cause undesired operation.

Caution: Any changes or modifications not expressly approved by the party

responsible for compliance could void the user's authority to operate the

equipment.

User and Installation Guide

Step1

Connecting the transmitter

The transmitter connects either to a standard line-out audio interface via the

supplied RCA cable or to an amplified speaker output via the supplied short

speaker cables.

If the transmitter is connected via speaker cables, observe the polarity of the

cable connection to ensure that the transmitter will be fed with a correct

polarity signal. If one of the cables is switched (reversed), one speaker will

receive an opposite polarity signal which will degrade sound performance.

The transmitter can also be connected to other audio outputs by using an

appropriate adapter.

Connect the supplied small AC adapter’s barrel-shaped plug into the DC 9V

jack, and then plug the transformer into a standard AC outlet. We recommend

the use of a surge protector to protect the transmitter from power surges.

Unpacking: Check that this package contains:

One 5.8 GHz Digital Audio transmitter - Model 1550, two 5.8 GHz Digital Audio

amplifiers - Model 1550, one small and two large AC adapters (wallwarts), four

short speaker cables, one RCA audio cable.

ATTENTION! Do not use both the speaker cables and RCA cable. Do not connect

speakers to the transmitter. Do not connect the large AC adapter to

the transmitter.

User and Installation Guide

LRDC 9V

L R

DC 9 V

250 mA

Power outlet

AC adapter

Page 3

Using the transmitter RCA audio input:

Using the transmitter speaker audio input:

L R

SPEAKER OUT

Audio Source

Transmitter

LRDC 9V

L R

AUDIO

LINE OUT

Audio Source

Transmitter

DC 9 V

250 mA

Power outlet

AC adapter

User and Installation Guide

Step2

Connecting the amplifiers

ATTENTION! Never short circuit any amplifier audio output since this may

damage the amplifier. A clicking noise may be generated during

amplifier power up. Therefore, it is recommended to connect power

to the amplifier prior to connecting the speakers.

Page 4

Amplifier for left speaker

DC 36 V

Power outlet

AC adapter

Left speaker

Connect the DC power input of the amplifier with the supplied large 24 V AC

adapter (wallwart). ATTENTION: Connect the amplifier to the AC adapter

BEFORE connecting the AC adapter to the power outlet to avoid sparks due to

rush-in current.

Each amplifier connects to regular passive loudspeakers via the supplied speaker

cable. Observe the correct polarity when connecting the speakers.

Connect the left speaker to the amplifier marked “LEFT”. Connect the right

speaker to the amplifier marked “RIGHT”.

Connect the right speaker to the amplifier for the right speaker similarly.

Speaker connections:

Model 1600

DC 36V

User and Installation Guide

Page 5

Step3

Placing the transmitter and amplifiers

For best reception, we recommend that each amplifier be placed within the line

of sight from the transmitter. If possible, each amplifier should be placed right

side up with its front toward the transmitter.

The transmitter should be placed at an elevation such that there are no

obstacles between the transmitter and amplifiers (line of sight) in an area where

there will be the least amount of traffic. We suggest that you place the

transmitter on top of your audio source. Example 1 below shows the optimum

placement of the transmitter and an amplifier. If no line of sight is possible, place

the transmitter and amplifiers such that there is the minimum possible number of

walls and obstacles between the transmitter and each amplifier.

The amplifiers can also be placed as shown in example 2. In this case, no line-

of-sight connection exists and the operating range is reduced.

You can mount the amplifiers vertically by using the 2 screw openings at the

bottom of each amplifier. If the amplifiers are mounted vertically, the operating

range is reduced compared to mounting the amplifiers right side up.

Each amplifier incorporates a directional antenna which prefers signals

transmitted toward the front of the amplifier. Therefore, the front of the amplifiers

should always be facing toward the direction of the strongest transmitter signal.

By properly orienting each amplifier, interference from other signal sources can

be minimized.

We suggest that you experiment with placement in order to find the best location

for the transmitter and amplifiers.

Note: This product will not work properly from within an enclosed metal cabinet.

Example 1: Amplifier placed

on top of a speaker Example 2: Amplifier mounted

vertically behind a speaker

Transmitter

Speaker

Amplifier

Transmitter

Speaker

Amplifier

line of sight indirect connection

(reflected signal)

Step4

Operating the transmitter

After powering up the transmitter, the transmit light will go on for approximately

five seconds while the transmitter initializes.

After initialization, the transmit light will go out.

Initially, set the transmitter volume control to a middle setting.

Once audio is detected at the audio input, the transmit light will go on and the

transmitter will transmit the audio signal.

When audio is no longer detected, the transmitter will go into standby mode

after approximately one minute. The transmit light will go out. During standby

mode, no signal is transmitted.

5.8 GHz Digital Audio Transmitter

TRANSMIT

Transmit light

User and Installation Guide

Page 6

Transmitter volume control

LRDC 9V

L R

User and Installation Guide

Page 7

Step5

Operating the amplifiers

As soon as a valid transmitter signal is received by the amplifiers, the amplifiers

will output the amplified audio signal to the speaker outputs. The amplfier marked

“LEFT” will output the left audio channel and the amplifier marked “RIGHT” will

output the right channel. You can change the audio level by adjusting each

amplifier volume control.

If no audio signal is received for more than 2 minutes, the amplifiers will go into

standby mode (power-down mode).

In order to achieve maximum transmission quality, the transmitter volume control

should be set to match the audio level of your audio source as follows:

1) Set the amplifier volume control to a low level to prevent clipping inside the

amplifiers.

2) Set your audio source to output the maximum audio level that you will

encounter during normal operation such that both the left and right channel are

balanced.

3) Turn the transmitter level control knob to the position that yields maximum

audio loudness to the speakers without any clipping (distortion). If the

transmitter level is set too low, the dynamics of the transmission are not fully

used. If the level is set too high, audio clipping (distortion) will occur inside

the transmitter.

4) Turn each amplifier volume control to a setting that yields the desired volume

from the speakers such that the volume at both speakers is balanced.

Amplifier volume control

Model 1600

DC 36V

User and Installation Guide

Page 8

Troubleshooting

Problem Possible Cause Solution

The transmit light

does not go on after

DC power is applied

to the transmitter

Faulty AC adapter

or faulty power outlet Check the power outlet and

the AC adapter; if possible,

check for correct voltage of

the AC adapter.

No audio present at

audio input Check the audio connection

to the transmitter and ensure

that there is audio present.

The transmit light

goes out after a few

seconds and does

not light again Transmitter hung up Disconnect and then

reconnect DC power.

Faulty AC adapter

or faulty power outlet See under “Faulty AC adapter

or faulty power outlet“ above.

Transmitter volume

control set too low Adjust the transmitter volume

control.

Amplifier volume

control set too low Adjust the amplifier volume

control.

No audio at

amplifier

Strong interference See under “Strong

Interference“ on next page.

Transmitter volume

control set too high Adjust the transmitter volume

control until clipping stops.

Amplifier volume

control set too high Adjust the amplifier volume

control until clipping stops.

Audio is distorted

Strong interference See under “Strong

Interference“ on next page.

Transmitter volume

control set too low Adjust the transmitter volume

control to achieve desired

audio level.

Amplifier volume

control set too low Adjust the amplifier volume

control to achieve desired

audio level.

Speaker audio level

is too low

Audio signal too

weak Increase the output level of

the audio source (connect

transmitter to an adjustable

output by using an adapter if

necessary).

User and Installation Guide

Page 9

For more information, including a detailed troubleshooting guide,

visit the Amphony web site at: www.amphony.com

Problem Possible Cause Solution

Strong interference In some cases, there may be

strong interference preventing

proper reception of the audio

signal which can be caused

by 5.8 GHz cordless

telephones or 5.8 GHz

wireless networks. Either

eliminate the interference,

locate the base unit of the

cordless phone in another

room, set the wireless

network to use the 5.1 GHz

frequency band rather than

5.8 GHz, relocate the

transmitter, relocate or

reorient the amplifier to

improve reception.

Audio drops out

intermittently or

crackles

Unstable power

supply Ensure that the power outlet

delivers a stable voltage. Very

strong surges or voltage

fluctuations may cause audio

dropouts. Try using a surge

protector.

Strong interference See under “Strong

Interference“ above.

Transmitter volume

control set too low Adjust the transmitter volume

control.

Audio is noisy

Audio signal too

weak See under “Audio signal too

weak“ on previous page.

Strong interference See under “Strong

Interference“ above.

Transmitter range is

extremely short Too many obstacles Audio will drop out if there are

too many obstacles between

the transmitter and the

amplifier (see page 4), try

relocating the amplifier or

transmitter to improve

reception.

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