JAMO AT101 User's Manual
Contents
1. AT 101 WARNING Improper installation could result in damage to the amplifier Read all instructions before installation Jano Lets get personal Introduction The Jamo AT 101 Audio Stereo Attenuator with automatch can be used as a volume control for up to 64 pairs of speakers PLACEMENT The AT 101 should not be located close to light switches dimmers as this may cause a hum in the speakers If the AT 101 is located close to these devices it must be mounted in a separatly grounded electrical box Speaker cables wires should also be as far away from electrical wires as possible INSTALLATION The amplifier must be turned OFF before you install the AT 101 and or speakers or it may cause damage to the amplifier When connecting speaker cables wires from the amplifier to the AT 101 and from the AT 101 to the speakers make sure LEFT L is connected to LEFT L RIGHT R to RIGHT R POSITIVE to POSI TIVE and NEGATIVE to NEGATIVE If terminals are colour coded RED is POSITIVE and BLACK is NEGATIVE For installa tion of more than 1 pair of speakers see Impedance matching SET UP Before turning on the amplifier turn the amplifier volume to mini mum Turn the AT 101 s to maximum volume clockwise Turn the amplifier on and slowly turn up the volume to the highest desired level without distortion from the speakers The volume of all speakers are now controlled by the AT 101 s and the amplifier volum2. al wear and tear mis maintenance voltage variation overloading stroke of lightning and other force majeure events Defects arising from incorrect installation or operation Defects arising from modification repair attempt of repair by a non authorised service centre Defects arising from the use of non original spare parts Defects on products with altered or lacking series number Other defects due to conditions or circumstances beyond the supplier s control Transportation costs for servicing are not covered by the warranty The supplier is liable only to repair or replace defective parts or products A replacement cannot exceed the value of the product under warranty 69448 51 2000
3. e control should not be used IMPEDANCE MATCHING 1 Identify the impedance of your speakers and the impedance requirements of your amplifier 2 Find the tabel which matches your speakers and your amplifier 3 Set the jumbers onthe AT 101 s according to the table The jum ber settings are determined by the AT 101 with the largest numbers of speakers connected AT 101 JUMBER SETTINGS Each AT 101 in the system must have the same jumber setting when the tables below are used When using speakers with different impedances consider all speakers to be the same as the lowest impedance speaker Speaker impedance 8 ohm min Speaker impedance 8 ohm min Amplifier impedance 8 ohm min Amplifier impedance 4 ohm min Pairs of speakers per AT 101 Pairs of speakers per AT 101 Wo 2 3 4 5 6 7 8 M1121 3141 5 6 718 1 x1 x2 x4 x8 x8 x8 x8 x8 1 xtl xt x2 x2 x4 x4 x4 x4 2 a 5 xs x8 ii i 2 x1 x2 x4 x4 x8 x8 x8 x8 No of XTA 3 x2 x4 x4 x4 xe 4 x4 x8 gt No of Z 4 x2 x4 x8 x8 AT 101 Slxal l i l l AT 101 slal xele e e e 6 a8 es ES a xs e e e e 7 x8 ol ares a nc ac el i Jl x4 xg 8 x8 8 x4lxs x Speaker impedance 4 ohm min Speaker impedance 4 ohm min Am
4. plifier impedance 8 ohm min Amplifier impedance 4 ohm min Pairs of speakers per AT 101 Pairs of speakers per AT 101 Wo 2 3 4 5 6 7 8 Wo 2 3 4 5 6 7 8 1 x2 x4 x8 x8 1 x1 x2 x4 x4 x8 x8 x8 x8 2 x4 x8 2 x2 x4 x8 x8 3lxs 3lx4 xs e gt No of yis e e e e e No of zf e e e AT 101 Sy a Te eT eT eT ee AT 101 fyg eye epee ee o s e e s e gla e e e 1 1 7 e e 7 e e e g e sen re e aa NOTE do not use AMP fo Gd o TS O f J id f f Fy C Fy Oe The scope of the warranty The warranty period will come into force as from the purchase date stated on the invoice The warranty will apply for the following period of time 2years for electronics power supply amplifier etc 7 years for other parts cabinet speaker units etc In case of warranty inquiries please contact your dealer In case of request for service under warranty please enclose your original receipt Defects covered by the warranty Except for the defects stated below the warranty covers any production and material defects of the product Defects not covered by the warranty Defects arising from accidents misuse norm
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