Instruction/ maintenance manual of the product SDA 2175 Lyngdorf Audio
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SDA 217 5 Compact Analog Po wer Amplifier Owner’s Manu al.
2 Table of Contents WARNINGS ..............................................................................................................................................3 Explanation of symbols .......................................................
3 W A RNINGS TO REDUCE THE RISK OF FIRE OR E LECTRICAL SHOCK, DO NOT E XPOSE THIS APPLIANCE TO R AIN OR MOISTURE Explanation of symbols Exclamation sy mbol The exclam ation point within an equilate ra.
4 Important safety instructi ons 1: Rea d these instruct ions carefully before insta lling or operating this app aratus. 2: Ke ep these instructio ns. 3: Hee d all warnings. 4: Follow all ins tructions. 5: Do n ot use this apparatus nea r water. 6: Clea n only with a dry cloth .
5 A ccessori es The follo wing items are included in the accessories kit: 1: On e mains cord 2: T his manual 3: Cust omer registration form Operating voltage The SDA 2175 is available in a version for 1 15V mains voltage and in a version for 230V mains volta ge.
6 Introduction Lyngdorf S DA 2175 is a compa ct, high-performan ce analog switch-mode amplif ier utilizing some of the circuit topologies originally develop ed for the Lyngdorf Millennium and M21 50 amplifie rs.
7 Rear panel Fig 2: SDA 2 175 rear panel. Mains Connector Mains voltage to the SDA 2175 is applied via an IE C320 type connector. Th e supplied cable with safety ground should be us ed to connect the SDA 2175 to a mains outlet. WARNING: Connec t the power inp ut only to the AC source pri nted on the label.
8 I nput connectors The SDA 2175 has input sockets for bo th balanced and unbalanced signals, but only one may be used at a t ime. The XLR and phono sockets are interna lly connected in pa rallel, so only one set of the connectors should be conn ected externally.
9 Unbalanced inputs The unba lanced RCA inputs are wired in accordance with no rmal practice: Shell: Chassis a nd ground. Pin: Hot (+). W hen the unbalanced inputs are use d, the input selector switch MUST b e set to the UNBALANCED position. The switch positio n can be changed with a sm all screwdriver.
10 Technical specifications Audio Parameter Value Note Balanced input connectors 3-pin XLR, gold -plated Case=Gnd , Pin1=Gnd, Pin2=Hot(+), Pin 3=Cold(-) Balanced input impedance 10 KOhm AC -coupled Balanced input CMRR 40 dB 20 Hz – 20 kHz Unbalan ced input connectors Phono, gold -plated.
11 Protection Parameter Value Note Ground ing Mains eart h, chass is and audio ground are connected internally. Output short c ircuit current ± 40 A Output DC voltage ± 5 V @ <0.
12 Technical assistance If you ha ve any problems with or quest ions regarding your Lyngdor f Audio p roduct, please contact Lyngdo rf Audio or your nea rest representative.
An important point after buying a device Lyngdorf Audio SDA 2175 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Lyngdorf Audio SDA 2175 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Lyngdorf Audio SDA 2175 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lyngdorf Audio SDA 2175 you will learn all the available features of the product, as well as information on its operation. The information that you get Lyngdorf Audio SDA 2175 will certainly help you make a decision on the purchase.
If you already are a holder of Lyngdorf Audio SDA 2175, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Lyngdorf Audio SDA 2175.
However, one of the most important roles played by the user manual is to help in solving problems with Lyngdorf Audio SDA 2175. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lyngdorf Audio SDA 2175 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
