LDA BA-2250 User Manual

Manual is about: BA SERIES

Summary of BA-2250

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    User's manual model: ba-series.

  • Page 3: Table Of Content

    Table of content 1 safety instructions............................................................................................................. 1 2 description............................................................................................................................... 2 3 front...

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    1 safety instructions please read carefully these safety instructions. 1. Keep this user manual for future reference. 2. Power connector must be accesible, place the power cord where people will not step or stumble. Unplug the equipment from the ac before cleaning.. 3. Liquid-filled objects must not...

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    2 description the simax ba series amplifiers are specially designed for professional installations where eficiency is a relevant factor. Thanks to its class d amplification technology and its switched-mode power supply achieves a power consumption efficiency of 85%, dissipating less heat and occupyi...

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    3 front panel 1. Prot/stby: this indicator shows two different statuses: • prot: protection indicator. The indicator will light up orange when the amplifier is in protection condition. Protection may be because of a short-circuit in the speaker line, the amplifier overload and when the inside temper...

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    4 rear panel 1. Ac power cord: ac power cord to 110v – 230v input. The rated power of the equipment is self-switchable. 2. Gain control: allows the adjustment of the input sensitivity. There is an independent gain control for each channel. 3. Line input: the line input supports balanced and unbalanc...

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    5 speakers connection 5.1 low impedance speaker connection. 8 ( Ω ba-2250 ) or 4 ( Ω ba-2500 ) to connect conventional 8Ω (ba-2250) or 4Ω (ba-2500) speakers, connect the positive side (+) tp the 8 Ω (ba-2250) or 4Ω (ba-2500) terminal. Connect the negative side (-) to the com terminal. 5.2 high imped...

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    5.3 wrong speaker connection do not connect high and low impedance speakers simultaneously, it could damage the equipment. 6 www.Lda-audiotech.Com figure 5: wrong speaker connection.

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    6 block diagram lda audio tech - severo ochoa nº 31- 29590 mÁlaga, espaÑa. Tlf: +34 952028805 7 user's manual: ba series figure 6: ba series block diagram.

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    7 maintenance the equipment requires a limited periodic maintenance. The regularity of the maintenance must be in accordance with the equipment intallation conditions. It is advisable to set at least a maximum period of a year. Warnings: • use only a soft lint free cloth • disconnect the equipment f...

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    8 technical specifications model ba-2250 ba-2500 output power 115v ac 230v ac 115v ac 230v ac 2 x d class, 250 wrms 2 x d class, 500wrms 2 x d class, 500wrms min load 40 / 8 Ω Ω min load 20 / 4 Ω Ω distortion (1khz/-3dbv, 100w) 115v ac 230v ac 115v ac 230v ac (20 ohm); (4 ohm) (20 ohm); (4 ohm) frec...

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    Appendix a: cable section for speaker lines this table shows the maximum advisable lenghts for 100v speaker lines. The type of cable used to calculate them is a copper conductive twin-lead type. This can be used as planification guide, although the appropiate final calculations for each situation ar...

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    Ver. 2.