background image

contents

|

01

02

controls

04

welcome

06

introduction

07

construction

08

amplifier module

15

set up

20

operation

21

remote control

24

TAGtronic Communications Bus

25

running in and warming up

26

care and maintenance

27

appendix

29

technical data

9340D

version V3.10

12/01

owner’s manual

250x3R

GRR00723.09-UK 250x3R.qxd  31/10/01  3:40 pm  Page 01

Содержание Avantgarde 250x3R

Страница 1: ...6 introduction 07 construction 08 amplifier module 15 set up 20 operation 21 remote control 24 TAGtronic Communications Bus 25 running in and warming up version V3 10 12 01 owner s manual GRR00723 09 UK 250x3R qxd 31 10 01 3 40 pm Page 01 ...

Страница 2: ...ation shown may vary for different countries three channel status LEDs power standby LED remote control window mute LED power button remote control active LED three channel amplifier 250x3R s 220 240V 50 60Hz Fuse T1A L250V C A U T I O N RISK OF ELECTRIC SHOCK RISK OF ELECTRIC SHOCK DO NOT OPEN DO NOT OPEN Double insulated When servicing use only identical replacement parts serial number made in U...

Страница 3: ...am are highly experienced engineers whose heritage of award winning hi fi and world beating electronic control systems is envied by many and equalled by few There are many immediate spin offs into audio from our expertise in automotive electronics mechanical engineering and the material science of Formula One motor racing multi layer printed circuits fast digital signal processing electronic noise...

Страница 4: ...ww tagmclaren com Amplifier modules can also be upgraded should better amplifier technology become available in the future and local power supply as it isn t responsible for any sound performance allowing the 250x3R to be put into standby without incurring a high energy bill The remote control circuitry acts on commands received from either the user via the IR remote control or the AV32R via the T...

Страница 5: ...ity of quiescent conditions is crucial to optimal Class B amplifier operation The bias range over which the best linearity is obtained is narrow and on either side of it crossover distortion increases markedly The 250x3R has one of the most accurate quiescent controls ever implemented stabilising against output level load impedance and mains voltage changes sophisticated muting The 250x3R has a so...

Страница 6: ...250x3R provides both balanced XLR inputs and standard RCA inputs There is no need to switch between the two inputs the 250x3R will automatically sense the input used single ended RCA input looking at RCA terminal A single ended connection sends as the name implies the signal via a two conductor cable one for the signal and one for the ground which is usually connected to the screen on one or both ...

Страница 7: ...alance variable semiconductor properties combining a single ended av processor with the 250x3R It is important to realise that a balanced output on the sending unit the preamplifier or av processor is not required to gain the benefits of a balanced input A single ended RCA output is just as good so long as the unbalanced to balanced cable is wired correctly TAG McLaren provides a special version o...

Страница 8: ...aware when the front panel switch is in the off position this unit is still connected to the mains supply If this unit is not to be used for some time withdraw the mains plug from the wall socket outlet positioning The 250x3R is capable of consuming over 1000 Watts of electrical power during demanding presentations This results in significant heat being dissipated Please ensure that there is adequ...

Страница 9: ...or or preamplifier connection You will require an av processor such as the AV32R or a preamplifier such as the DPA32R to provide the signals to drive the 250x3R The 250x3R provides single ended line inputs RCA and balanced XLR connections for each module You can mix both connections say RCA for module left and right and XLR for module centre Make sure the av processor preamplifier and all connecte...

Страница 10: ...nnector This is necessary to obtain the correct gain and to reduce the noise pickup If you connect an RCA output of your av processor or preamplifier with the RCA line input of the 250x3R then you should use a hi quality well screened RCA RCA audio cable such as our RCA RCA F3 10 ANA interconnect The signal connection of the RCA input and the XLR are connected internally Do not connect both connec...

Страница 11: ...nt panel above the power button will illuminate 1 the remote of the 250x3R is identical to that of the 100x5R ensuring that both amplifiers can be controlled with the same remote 2 If the AV32R is connected to the 250x3R then the AV32R can do this for you Details can be found in the AV32R user manual When you have completed the set up and have connected all cables between all components ensure tha...

Страница 12: ...ated in combination When pressed the button marked channel amp will after a time delay of one second switch all three channels in and out of standby as described above Alternatively if you press the button channel amp followed within 1 second by 1 2 or 3 then only that channel will toggle in and out of standby To allow the user to switch several modules together in or out of standby press channel ...

Страница 13: ...ing system of the 250x3R to be upgraded and enables products equipped with this advanced interface to transfer and share information easily We recommend connecting the TAGtronic Bus between the av processor AV32R or preamplifier DPA32R and the 250x3R as this will allow the AV32R DPA32R to conveniently control the amplifier Details can be found in the user manuals of the DPA32R AV32R software updat...

Страница 14: ...out balanced inputs Balanced inputs are an extremely effective way of providing clean signals to an amplifier even when the surrounding conditions are less than ideal A balanced input has three connections typically the three pins on an XLR connector Standard practice is for Pin 1 to be Ground Pin 2 to be the hot or in phase connection and Pin 3 to be the cold or phase reversed connection A major ...

Страница 15: ... making connections to it do not join this to ground or Cold as this creates an unwanted connection between audio ground and chassis ground which may affect system performance This section is for those of you who really want to know the insides of your 250x3R You will not miss out on any of the functions or performance of your 250x3R if you choose not to read any further rated power output 250 W i...

Страница 16: ...02 1 kHz 250 W into 8 Ω distortion noise less than 0 05 from 20 Hz to 20 kHz 250 W into 8 Ω less than 0 01 from 20 Hz to 10 kHz 250 W into 8 Ω polarity phase non inverting between any input and output operating 10 35 C temperature range GRR00723 09 UK 250x3R qxd 31 10 01 3 40 pm Page 30 ...

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