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Lyngdorf Audio SDAI 2175 manual

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Table of contents for the manual

  • Page 1

    - 1 - SDAI 2175 Semi Digital Integrated Amplif ier Owners Manual[...]

  • Page 2

    - 2 - Table of Cont ent s WARNINGS . .. ... .. .. .. .. .. .. .. .. .. .. .. ... .. .. ... .. .. .. .. .. .. .. .. .. .. .. ... .. .. .. ... .. .. .. .. .. .. .. .. .. .. .. ... .. .. ... .. .. .. .. .. .. .. .. .. .. .. .. ... .. .. .. 3 Explanation of graphical symbols .. .. ... .. .. .. .. .. ... .. .. ... .. .. .. .. .. .. .. .. .. .. .. ... ..[...]

  • Page 3

    - 3 - WARNINGS TO REDUCE RISK O F FIRE OR ELECTRIC SHO CK, DO NOT EXPOSE THIS APPLIANCE TO R AIN OR MOISTURE. Explanation of graphical sy mbols Exclamation symbol The exclamation poi nt within an equilateral triangl e is intended to alert th e user to the presence of im portant operating a nd maintenance (servicing) instr uctions in the literature [...]

  • Page 4

    - 4 - Important safety instructions 1: Read these instructions carefull y before instal ling or operating this appar atus. 2: Keep these instructions. 3: Heed all warnings. 4: Follow all instructions. 5: Do not use this apparatus near w ater. 6: Clean only with a dry cloth. 7: Do not block any ventilation op enings. Install in accor dance with the [...]

  • Page 5

    - 5 - Accessories You should find the follo wing in the accessory kit: 1: One mains cord. 2: This manual. 3: Customer registration f orm. Operating voltage The SDAI 2175 is available in a v ersion for 115V m ains voltage and in a versi on for 230V mains voltage. Check the label on the SD AI 2175 rear panel and ve rif y you have the version with the[...]

  • Page 6

    - 6 - Introduction Lyngdorf SDAI 2175 is a compact, high-perform ance analog integrat ed switch-mode amplifier utilizing some of the circuit topologie s originally develope d for the Lyngdorf Millennium and M2150 amplifiers. Due to the switc h-mode topology, with an eff iciency of up to 85%, the SDAI 217 5 will provide its output po wer with minima[...]

  • Page 7

    - 7 - Front panel Fig 1: SDAI 21 75 front panel. Controls The buttons/controls on t he front panel of the SDAI 2175 can all be used either with direct presses on the front or by operating the similar ke ys on the included rem ote control. All keys on the front except f or the Mains switch (1) can be f ound on the remot e control as well. Mains swit[...]

  • Page 8

    - 8 - Indicators OPERATE Indicates the operational status of the SDAI 2175. Off The SDAI 2175 is in st andby mode. Flashing The SDAI 2175 is in t he soft-start phase or t he protection circ uit is engaged. On The SDAI 2175 is ope rating normally. POWER Illuminated whenever t he power is applied to the SDAI 2175 a nd the mains switch is ON. MENU Ind[...]

  • Page 9

    - 9 - Rear panel Fig 2: SDAI 21 75 rear panel. INPUT (1-6) RCA unbalanced input channel 1-6 INPUT (7) Balanced stereo input channel 7 TAPE OUT (8) Line output of selected input PRE OUT (9) Regulated output after volume c ontrol of selected input PRE OUT BAL (10) Balanced regulated ou tput after volume control of selected input TRIGGER OUT (11) DC T[...]

  • Page 10

    - 10 - Menu system The Menu system of the SDAI 2175 can be used f or setting up the amplif er for nearly all everyday situations. The only feature which can not be changed f rom the menu system is custom naming of the input texts which can only be p erformed from the sup plied PC setup program. The menu system of the SDAI 2175 can be entered by pr [...]

  • Page 11

    - 11 - Fig 3: SDAI 21 75 Menu system.[...]

  • Page 12

    - 12 - Fig. 3 Illustrating the menu s ystem can be read f rom left to right, starting in normal m ode which can be changed into Menu active mode b y pressing the menu ke y, indicated with <Menu>. The Different Menu’s a re: Sub Menu Parameter Description RELVOL +/-6 dB (0.1dB step) Relative volume f or the active input. Fine tuning of the vo[...]

  • Page 13

    - 13 - Fig 4: Software Upgrade Tool. Connecto rs Mains Connector Mains voltage to the SDA I 2175 is applied via an IEC320 type connector. Th e supplied cable with safety ground sh ould be used to connect the SDAI 2175 to a mains outlet. WARNING: Conne ct the pow er input only to the AC source printed on the label. The w arranty w ill not cover an y[...]

  • Page 14

    - 14 - Loudspeaker connectors The SDAI 2175´s louds peaker connectors accept ba nana plugs, spades o r bare wire ends up to 5 mm in diameter. Connect the wires f rom each loudspeaker to each channel's + an d – terminals. Do not m ake any other connections to the o utput terminals. The loudsp eaker cable is inserted into the slot i n the lou[...]

  • Page 15

    - 15 - Cleaning and maintenance Always unplug the uni t from the electrical outlet before cleaning. This unit does not require any regul ar maintenance exce pt to keep its exterior cle an. Simply wipe its exterior with a clean soft cl oth. A small amount of no n-abrasive cleaner may be used on the cloth to remove any excessive dirt or f ingerprints[...]

  • Page 16

    - 16 - Parameter Value Note S/N ratio 113dB A -wgt. Ref. 200W /8ohms. Channel separation 84dB 1kHz, 200W /8ohms. Peak output current ± 40A Output common mode voltage 35V DC Ref. Ground. The amplifier can not be used in bridged m ono mode. Output DC voltage ± 5 mV All audio measurements, except frequency respo nse, are measured wit h a 20 kHz low-[...]

  • Page 17

    - 17 - Parameter Value Note Shipping weight 17.5Kg (39lb.) Technical assistan ce If you have any problem s with questions regardi ng your Lyngdorf A udio product, please contact Lyngdorf Audio or your nearest repres entative. Support Please check the Lyngdorf Audio web site under “S upport” for latest versi on of control software, newest versio[...]