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Owner ’ s Manual M/S - 2150 X T rue Digital Amplifier.
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3 T act Audio W ARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE T O 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-SER VICEABLE P ARTS INSIDE.
CAUTION CAUTION 4 T act 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.
5 T act Audio IMPORT ANT! Please record your serial number here for future reference. Y ou 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 © 2003 T act Audio Corporation.
CAUTION CAUTION 6 T act Audio T able of content s Safety instructions 4 Acknowledgments/Registration 5 Unpacking the M/S-2150 X 7 Introduction 8 Dynamic Room Cirrection 9 M/S-2150 X Connections 1 2 Fr.
7 T act Audio Unp acking 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 T acT Audio immediately if the unit shows any sign of damage from rough handling. All T acT Audio equipment is carefully inspected before leaving our factory .
CAUTION CAUTION 8 T act Audio Introduction - Ultra high precision DA conversion - Upsampling to 384,000 Hz before conversion - Full resolution at -30 dB - Software upgradeable DSP section - All floati.
9 T act Audio Dynamic Room Correction M/S-2150 X is designed to support full range and subwoofer Dynamic Room Correction (DRC). All sof tware 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 digital microphone preamp such as BOZ RCS-16M.
CAUTION CAUTION 10 T act 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.
11 T act 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.
CAUTION CAUTION 12 T act 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 T osLink (S/PDIF) (.
13 T act 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.
CAUTION CAUTION 14 T act 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.
15 T act 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.
CAUTION CAUTION 16 T act Audio LOW HIGH + - LOW + - + - HIGH + - RIGHT SPEAKER LEFT SPEAKER V ertical Biamping HIGH LOW LOW HIGH LEFT SPEAKER RIGHT SPEAKER Connections M/S-2150 X.
17 T act Audio Biamping - continued When two or more M/S-2150 X amplifiers are configured in a bi-/tri-amped setup, both the signal and the RS232 T acT System Bus must be daisy chained between the amplifiers. The same signal flow is applicable for both horizontal and vertical bi-amping.
CAUTION CAUTION 18 T act Audio Front Panel Controls ON/OFF Use the “ON/OFF” switch to toggle between ON and OFF operation. (S tandby mode can be selected only through the remote control) Master volume The master volume is controlled by turning the large volume wheel.
19 T act 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.
CAUTION CAUTION 20 T act Audio 1 - ST ANDBY 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.
21 T act 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.
CAUTION CAUTION 22 T act Audio The Main menu of the M/S 2150 X has three pages of general menu selections. <- CRO PAREQ MODE OPT DISPL REM -> MAIN menu <- COMM ADDR ADC LOCK GAIN TRIG -> D.
23 T act 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 . DELA Y menu LEFT RIGHT 0.00 0.00 msec 1 1 - Left and Right channel delay time settings.
CAUTION CAUTION 24 T act 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. T o select displayed option press ENTER button. Active selection is indicated by “*” displayed next to it.
25 T act 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 program.
CAUTION CAUTION 26 T act 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. T o select/ engage displayed preset press ENTER button.
27 T act Audio P AREQ PAREQ PRESET: BP PR: 1 LEFT RIGHT P AREQ Menu Parametric EQ menu is used to apply up to twelve bands of parametric equaliza- tion per output channel.
CAUTION CAUTION 28 T act Audio LF LEV FR OCT 1 -12.2 1400 0.29 3 12 4 LEFT Edit Menu RIGHT Edit Menu RF LEV FR OCT 1 -12.2 1400 0.29 3 12 4 P AREQ Editing T o edit ParEq parameters in ParEq MENU screen select LEFT to edit lef t channel parameters or RIGHT to edit right channel parameters.
29 T act 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.
CAUTION CAUTION 30 T act 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 .
31 T act 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 st atus to all M/S-2150 X units connected to AUX RS232 port.
CAUTION CAUTION 32 T act 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 Digit al Converter .
33 T act 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 signal range).
CAUTION CAUTION 34 T act 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.
35 T act Audio Connect your M/S-2150 X to your Computer Y our 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 .
CAUTION CAUTION 36 T act 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) >1 10dB Dynamic range (20 Hz - 20 kHz) >130dB THD+N (all power levels 20Hz-20kHz) <0.
37 T act 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.
CAUTION CAUTION 38 T act 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.
39 T act 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.
CAUTION CAUTION 40 T act Audio Editing CRO Preset T o edit CRO preset #1 scroll through field 2 until Preset #1 is displayed. Place cursor over EDIT (field 3) and then press ENTER button.
41 T act 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 number between 1 and 6.
CAUTION CAUTION 42 T act 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.
43 T act 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 1000 Hz and HO set from 1 to 10.
CAUTION CAUTION 44 T act 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.
45 T act 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.
CAUTION CAUTION 46 T act 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.
47 T act 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.
CAUTION CAUTION 48 T act 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 .
49 T act Audio T o make sure that both amplifiers will process Lef t 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 DELA Y and LEVEL menu options are set to as follows: LEFT RIGHT 0.
CAUTION CAUTION 50 T act 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.
51 T act 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.
CAUTION CAUTION 52 T act Audio V ertical bi-amplification In this configuration M/S-2150 X amplifier labeled Amp#1 is connected to the main left and subwoofer lef t channel. Left channel of Amp#1 is connected to the lef t subwoofer and Amp#1 right channel is connected to the left main loudspeaker .
53 T act 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.
CAUTION CAUTION 54 T act Audio T o summarize: • All preset s for Amp#1 are set to low-pass filter for lef t 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.
55 T act Audio Fig 8 Amp#1 and Amp#2 Lef t/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.
CAUTION CAUTION 56 T act Audio Crossover Package M/S-2150 X T wo-W ay 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.
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CAUTION CAUTION 58 T act Audio Crossover Package M/S-2150 X Example 3 T o summarize: • All the presets for Amp#1 are set to low-pass filter for both lef t 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).
59 T act Audio Crossover Package M/S-2150 X.
T acT 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.
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