| 摘要 |
Equalising device of the graphic type, including, for each channel, a controlled-gain amplifier 2 and several control cells C, C'... placed in parallel between the direct + and inverting - inputs of the amplifier 2, characterised in that the various cells are arranged on a removable and exchangeable module which is pre-adjusted as a function of the acoustics of a specified premises and is connected up to the inputs 10, -; 11, + of the controlled-gain amplifier 2. <IMAGE>
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