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  5. Owner's Manual

TacT Audio M/S - 2150 X Owner's Manual

Manual is about: True Digital Amplifier

Summary of M/S - 2150 X

  • Page 1

    Owner’s manual m/s - 2150 x true digital amplifier.

  • Page 2

    Blank page.

  • Page 3: Warning

    3 tact audio warning to reduce the risk of fire or electric shock, do not expose this appliance to rain or moisture. Caution risk of electric shock do not open caution: to reduce the risk of electrical shock, do not remove cover. No user-serviceable parts inside. Refer servicing to qualified personn...

  • Page 4

    Caution caution 4 tact audio 1. Read these instructions entirely before installing or operating this equipment. 2. Keep these instructions. 3. Heed all warnings. 4. Do not use this equipment near water or allow it to become wet. 5. Do not block any ventilation openings. Install in accordance with th...

  • Page 5: Registration

    5 tact audio important! Please record your serial number here for future reference. You will need this for future upgrades or should you ever require service on your m/s 2150. M/s - 2150 x serial number: _____________________ optional modules installed: adc analog input ______________ registration ©...

  • Page 6: Table of Contents

    Caution caution 6 tact audio table of contents safety instructions 4 acknowledgments/registration 5 unpacking the m/s-2150 x 7 introduction 8 dynamic room cirrection 9 m/s-2150 x connections 12 front panel controls 18 remote control 19 front panel display 21 main screen 21 main menu 22 saving menu s...

  • Page 7: Unpacking The M/s-2150 X

    7 tact audio unpacking the m/s-2150 x carefully remove the m/s-2150x and accessory kit from the carton and check for shipping damage. Contact both the shipper and tact audio immediately if the unit shows any sign of damage from rough handling. All tact audio equipment is carefully inspected before l...

  • Page 8: Introduction

    Caution caution 8 tact audio introduction - ultra high precision da conversion - upsampling to 384,000 hz before conversion - full resolution at -30 db - software upgradeable dsp section - all floatinf point processing - 192khz/24bit ad converter - digital pre-amplification with 24-bit resolution at...

  • Page 9: Dynamic Room Correction

    9 tact audio dynamic room correction m/s-2150 x is designed to support full range and subwoofer dynamic room correction (drc). All software necessary to perform this task is built into each m/s-2150 x. However m/s-2150 x does not have built in microphone preamp and it does require an external digita...

  • Page 10

    Caution caution 10 tact audio m/s-2150 x drc equal loudness curves represent the spl that different frequencies need to have in order to be perceived as two tones of equal loudness. For example, a 200 hz tone at spl of 50 db will have the same perceived loudness as a 1000 hz tone at spl of 40 db. In...

  • Page 11

    11 tact audio how does it work? Dynamic room correction (drc) offers a very sophisticated way of handling a multi target curve approach to solving equal loudness curve problem. The system is based on one reference target curve and eight additional target curves called dynamic target curves. The refe...

  • Page 12: M/s-2150 X Connections

    Caution caution 12 tact audio m/s-2150 x connections digital input the m/s-2150 x amplifier has 5 digital inputs: - three rca (s/pdif) ( d1, d2, d3) - one aes/ebu (xlr) (d4) - one toslink (s/pdif) (d5) all of the digital inputs support pcm audio data with sampling rates from 32khz to 96khz /16-24 bi...

  • Page 13

    13 tact audio connections digital output the m/s 2150 x amplifier has a digital pass through. The digital input signal is passed to the digital output without processing or volume control. The sampling rate is the native sampling frequency of the input. Digital output note: that this output is not a...

  • Page 14

    Caution caution 14 tact audio ac mains input connect the m/s-2150 x to the ac mains wall socket. Caution: use the supplied iec mains cable, or a 3-prong grounded cable only. Ac main input speaker output (normal operation) the m/s-2150 x amplifier has one pair of high quality speaker terminals. These...

  • Page 15

    15 tact audio low high right speaker left speaker + - low + - + - high + - speaker output (biamped operation) if you are using two or more m/s-2150 x amplifiers, and your speakers allow for multi- amping, you can configure the system to run in biamped, tri-amped or multi-amp mode. This type of setup...

  • Page 16

    Caution caution 16 tact audio low high + - low + - + - high + - right speaker left speaker vertical biamping high low low high left speaker right speaker connections m/s-2150 x.

  • Page 17

    17 tact audio 1234567890123456789012345678901212345678901234567890123456789012123456 1234567890123456789012345678901212345678901234567890123456789012123456 1234567890123456789012345678901212345678901234567890123456789012123456 1234567890123456789012345678901212345678901234567890123456789012123456 12...

  • Page 18: Front Panel Controls

    Caution caution 18 tact audio front panel controls on/off use the “on/off” switch to toggle between on and off operation. (standby mode can be selected only through the remote control) master volume the master volume is controlled by turning the large volume wheel. The green num- bers on the left si...

  • Page 19: Remote Control

    19 tact audio the remote control is used to access the front panel display controls and menus. Remote control 4 11 2 9 1 3 5 6 7 10 8 12 remote control m/s-2150 x.

  • Page 20

    Caution caution 20 tact audio 1 - standby the standby button will turn the m/s 2150 x “on” or it will place it into “standby” mode. When in standby mode, the unit is placed into a low power “idiling” state. The standby button is also used to save changes that were made in the menu editing parameters...

  • Page 21: Front Panel Display

    21 tact audio front panel display main screen when the m/s-2150 x amplifier is turned on and the system loading sequence has completed, the amplifier will display the main screen. 3 2 1 main screen cro:>bp * eq: bp * -17.9 db fs= 44.1 rcs:>bp * eq: bp * -17.9 db fs= 44.1 cro mode 4 1 - displays mode...

  • Page 22

    Caution caution 22 tact audio the main menu of the m/s 2150 x has three pages of general menu selections. Opt displ rem -> main menu lock gain trig -> delay level pol inout rcs msr-> saving menu settings custom settings that are made to any of the menu selections may be permanently saved by placing ...

  • Page 23

    23 tact audio . The delay menu controls the system’s time alignment. The system’s time align- ment can be adjusted by changing the delay time for the left and right outputs inde- pendently. Delay menu left right 0.00 0.00 msec 1 1 - left and right channel delay time settings. Delay menu level menu l...

  • Page 24

    Caution caution 24 tact audio inout menu use this screen to set m/s-2150 x internal signal routing. Use up and down buttons to scroll through four possible input source combinations. To select displayed option press enter button. Active selection is indicated by “*” displayed next to it. This featur...

  • Page 25

    25 tact audio rcs menu use this menu to select one of the correction presets. M/s-2150 x offers 9 correc- tion presets as well as bypass. This screen is enabled only if rcs or rcs-sub mode is selected (see mode menu). Correction names are user programmable from m/s-2150 x windows based application p...

  • Page 26

    Caution caution 26 tact audio cro menu cro: bypass 1: preset #1 edit cro menu : use left and right buttons to place screen cursor over preset nad edit op- tions. Use up and down buttons to scroll through all possible cro presets. To select/ engage displayed preset press enter button. Selected cro pr...

  • Page 27

    27 tact audio pareq pareq preset: bp pr: 1 left right pareq menu parametric eq menu is used to apply up to twelve bands of parametric equaliza- tion per output channel. Use left or right buttons to move the screen cursor to fields 1,2 and 3. 1 - when the screen cursor is in this field use up/down bu...

  • Page 28

    Caution caution 28 tact audio lf lev fr oct 1 -12.2 1400 0.29 3 1 2 4 left edit menu right edit menu rf lev fr oct 1 -12.2 1400 0.29 3 1 2 4 pareq editing to edit pareq parameters in pareq menu screen select left to edit left channel parameters or right to edit right channel parameters. Depending on...

  • Page 29

    29 tact audio - max level controls the system’s maximum signal level. For example: if this option is set to -3.0 db, the volume control and output can not go above -3.0 db. - dthr sets the signal detection threshold. If the absolute value of the left or the right channel signal goes above this thres...

  • Page 30

    Caution caution 30 tact audio displ menu (display) rem menu (remote) display timeout off off on displ menu 1 - display timeout selections. 2 - active display timeout setting. 2 1 the display menu controls the display time-out feature. This option is used to turn the front panel display on or off. Wh...

  • Page 31

    31 tact audio comm menu (communication) use this menu to enable master or normal communication mode. In the mas- ter mode m/s-2150 x will send master volume and mute changes as well as standby/on status to all m/s-2150 x units connected to aux rs232 port. Note that only one unit can be configured as...

  • Page 32

    Caution caution 32 tact audio adc menu (adc module optional) 1 - assignable gain values. 2 - input channel currently selected. 3 - active gain setting for selected input channel. Adc menu the m/s-2150 x may be equipped with an optional state of the are analog to digital converter. To further enhance...

  • Page 33

    33 tact audio the gain menu is designed to select the amount of digital amplification applied to audio signal. Digital gain can be set from 0 to 18.0 db in increments of 0.1 db. These feature should be used in cases with low audio signal levels - cd’s that are not fully modulated (do not cover full ...

  • Page 34: Tact M/s-2150 X Software

    Caution caution 34 tact audio the m/s-2150 x is more than just an amplifier. With powerful features such as level balancing, time alignment, and assignable electronic crossovers, you can custom- ize and build the amplifier system that you need, whether your system is biamped, triamped or more. When ...

  • Page 35

    35 tact audio connect your m/s-2150 x to your computer your m/s-2150 x must be connected to your computers serial port in order for it to communicate with your computer when you run the m/s-2150 x software. Please follow the steps below to connect your m/s-2150 x to your computer. 1 - connect the rs...

  • Page 36: Specifications

    Caution caution 36 tact audio power (rms. Per channel) 8 ohm 2 x 150w power (rms. Per channel) 4 ohm 2 x 300w output current (peak, per channel) >50 a signal-to-noise ratio ( a-weighted) >110db dynamic range (20 hz - 20 khz) >130db thd+n (all power levels 20hz-20khz) digital resolution 16-24 bit lin...

  • Page 37: M/s-2150 X Crossover Package

    37 tact audio m/s-2150 x crossover package tact audio inc. 201 gates road little ferry, nj 07643 usa v1.0 m/s-2150 x crossover package.

  • Page 38

    Caution caution 38 tact audio introduction m/s-2150 x crossover filter (cro) package is designed to support computer less digital filter design using only front panel display cro menu option. The crossover filter design is based on infinite impulse response (iir) implementation. All crossover filter...

  • Page 39

    39 tact audio since m/s-2150 x is a two-channel power amplifier a crossover filter can be as- signed to each output channel. Both left and right channels support lp, hp and bp filters with a cutoff frequency set to any value between 10 and 24000 hz with 1 hz resolution. Filter order, which determine...

  • Page 40

    Caution caution 40 tact audio editing cro preset to edit cro preset #1 scroll through field 2 until preset #1 is displayed. Place cursor over edit (field 3) and then press enter button. The following screen will be displayed: edit menu l: butt edit r: butt edit edit left channel screen l: lo ho fl-h...

  • Page 41

    41 tact audio editing filters continued 3. Use this field to select high-pass filter order for selected filter type. If butt filter was selected this field could be set to any number between 1 and 12 (first and twelfth order) in increments of 1. If buttsq was selected this field could be set to any ...

  • Page 42

    Caution caution 42 tact audio fig 1 left/right channel frequency response. Output signal level at –6 db which is equivalent to 37.5 w into 8 ohms or 70 w into 4 ohms. Left channel set to butt low-pass filter with fl set to 100 hz and lo set from 1 to 10. Right channel set to butt high-pass filter wi...

  • Page 43

    43 tact audio fig 2 left/right channel frequency response. Output signal level at –6 db which is equivalent to 37.5 w into 8 ohms or 70 w into 4 ohms. Left channel set to butt low-pass filter with fl set to 1000 hz and lo set from 1 to 10. Right channel set to butt high-pass filter with fh set to 10...

  • Page 44

    Caution caution 44 tact audio -70 +0 -65 -60 -55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 d b r 6 500 10 20 50 100 200 hz fig 3 low-pass and high-pass crossover filters with cutoff frequency of 10 hz and filter order from 1 to 10. Output signal level at –6 db equivalent to 37.5 w into 8 ohms or 70 w i...

  • Page 45

    45 tact audio -70 +0 -65 -60 -55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 d b r a 20 20k 50 100 200 500 1k 2k 5k 10k hz fig 4 low-pass and high-pass crossover filters with cutoff frequency of 100 hz and filter order from 1 to 10. Output signal level at –6 db equivalent to 37.5 w into 8 ohms or 70 w in...

  • Page 46

    Caution caution 46 tact audio fig 5 low-pass and high-pass crossover filters with cutoff frequency of 1000 hz and filter order from 1 to 10. Output signal level at –6 db equivalent to 37.5 w into 8 ohms or 70 w into 4 ohms. Measurement sample 5 crossover package m/s-2150 x.

  • Page 47

    47 tact audio -70 +0 -65 -60 -55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 d b r 100 20k 200 500 1k 2k 5k 10k hz fig 6 low-pass and high-pass crossover filters with cutoff frequency of 10 khz and filter order from 1 to 10. Output signal level at –6 db equivalent to 37.5 w into 8 ohms or 70 w into 4 ohm...

  • Page 48

    Caution caution 48 tact audio subwoofer cor application most high-end stereo configurations consist of two main loudspeakers covering frequencies form f c up to 20,000 hz, and two subwoofers covering bottom end of the spectrum below f c . In most applications f c is set to around 100 hz but it is no...

  • Page 49

    49 tact audio to make sure that both amplifiers will process left and right channel check amp#1 and amp#2 inout menu options. They should be set as follows: output: l r source: l r * output: l r source: l r * amp#1 inout menu also make sure that initially for both amplifiers delay and level menu opt...

  • Page 50

    Caution caution 50 tact audio cro preset 2 (cro- 2) for both amplifier is the same as preset 1 except that in preset 2 filter order for both left and right channel is set to 9. Cro preset 2 is shown in figure below. L: lo ho fl-hz fh-hz hp -- 9 ----- 100 r: lo ho fl-hz fh-hz hp -- 9 ----- 100 l: lo ...

  • Page 51

    51 tact audio fig. 7 amp#1 and amp#2 left/right channel frequency response. Output signal level at –6 db which is equivalent to 37.5 w into 8 ohms or 70 w into 4 ohms. Lp-2, lp-3, …,lp-10 represent amp#2 left/right channel frequency response with lp-2 corresponding to cro preset 1 (cro –1 ) , lp-3 c...

  • Page 52

    Caution caution 52 tact audio vertical bi-amplification in this configuration m/s-2150 x amplifier labeled amp#1 is connected to the main left and subwoofer left channel. Left channel of amp#1 is connected to the left subwoofer and amp#1 right channel is connected to the left main loudspeaker. M/ s-...

  • Page 53

    53 tact audio l: lo ho fl-hz fh-hz lp 10 -- 100 ----- r: lo ho fl-hz fh-hz hp -- 10 ----- 100 l: lo ho fl-hz fh-hz lp 10 -- 100 ----- r: lo ho fl-hz fh-hz hp -- 10 ----- 100 l: lo ho fl-hz fh-hz lp 9 -- 100 ----- r: lo ho fl-hz fh-hz hp -- 9 ----- 100 l: lo ho fl-hz fh-hz lp 9 -- 100 ----- r: lo ho ...

  • Page 54

    Caution caution 54 tact audio to summarize: • all presets for amp#1 are set to low-pass filter for left channel and to high-pass for right channel. Left channel cutoff frequency (lf-hz) is set to 100 hz and right channel cutoff frequency (hf-hz) is set to 100 hz. • amp#2 cro presets are identical to...

  • Page 55

    55 tact audio fig 8 amp#1 and amp#2 left/right channel frequency response. Output signal level at –6 db which is equivalent to 40 w into 8 ohms or 80 w into 4 ohms. Lp-2, lp-3, …,lp-10 represent amp#1 and amp#2 left channel frequency response. Hp-2, hp-3, …,hp-10 represent amp#1 and amp#2 right chan...

  • Page 56

    Caution caution 56 tact audio crossover package m/s-2150 x two-way loudspeaker system there are many advantages to using bi-amplification instead of the standard configuration, where one power amplifier is used to drive one loudspeaker with two or more drivers along with passive crossover networks. ...

  • Page 57

    57 tact audio crossover package m/s-2150 x to make sure that both amplifiers will process left and right channel check amp#1 and amp#2 inout menu options. They should be set as follows: output: l r source: l r * output: l r source: l r * initially delay and level menu options for both amplifiers sho...

  • Page 58

    Caution caution 58 tact audio crossover package m/s-2150 x example 3 to summarize: • all the presets for amp#1 are set to low-pass filter for both left and right channel with cutoff frequency (lf-hz) of 1000 hz and filter order (lo) going from lo=10 for preset 1 (cro –1) to lo=1 for preset 9 (cro-9)...

  • Page 59

    59 tact audio crossover package m/s-2150 x.

  • Page 60: Www.Tactaudio.Com

    Tact audio, inc. 201 gates road unit g, little ferry – new jersey 07643, usa phone: +1 201 440 9300 – fax: +1 201 440 5580 – email: info@tactaudio.Com www.Tactaudio.Com.