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Summary of Contents for HEVOS 400S
- Page 1 Owner’s manual 400S amplifier...
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Page 2: Safety Instructions
1. This amplifier is supplied with ~230V or ~115V. Connect the amplifier exclusively to a power point with earth connection. Never open the amplifier. Repairs are exclusively done by Hevos and by companies that have been authorized by Hevos. Otherwise the warranty will become void. - Page 3 Introduction The 400S is a high-end transistor amplifier with a continues power of 400 Watts. The 2 inputs have separate gain controls. The led above input 1 is a clip indicator which turns from green into red as soon as the input signal is too high. If so, one should reduce the input signal by lowering the volume of the instrument or the input gain at the amplifier.
- Page 4 The headphone can be controlled by means of the gain and master knob. The 400S has a built-in delay and is protected against short circuit and clipping. It is powered by a class-D power amplifier, resulting in extremely stable behaviour. The high efficiency of the class-D power amp makes any forced cooling redundant.
- Page 5 +12/-12 dB. The sensitivity increases while turning the knob clockwise and anticlockwise. 5. The minimal output impedance of the 400S amplifier is 4 Ohms. This means that you can connect 2 cabinets of 8 Ohms each to the amplifier, or 1 cabinet of 4 Ohms.
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Page 6: Control Panel Front
Control panel front 1. –6dB switch: reduces the sensibility of Input 1 2. Phase turn switch: puts one pick up out of phase when using 2 pick ups (double bass) and both inputs. 3. Input 1 4. Gain Input 1: controls the signal amplitude towards the pre amp. - Page 7 Control panel back 1. Loudspeaker outputs (parallel connected): to connect loudspeakers cabinets with a minimal total impedance of 4 Ohms. So you can connect 2 cabinets of 8 Ohms each to the amplifier, or 1 cabinet of 4 Ohms. Connecting 1 cabinet of 8 Ohms to the amplifier is also o.k.
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Page 8: Technical Features
Technical features Type: transistor/class-D MosFet bass amplifier Power: 400 Watts into 4 Ohms, 1 kHz, < 0,01% distortion Damping: > 2000 at 100 Hz in 4 Ohms Input: 2x, both to be used independently. Tone control: active, 4 band: 80, 250, 800, and >2500 Hz +/- 12 dB Protection: short circuit, DC current on output, mismatch and open end;... - Page 9 If during this warranty period this product does not function properly, Hevos will fit the product to the use it is intended for without passing on the costs of labour and...
- Page 10 Hevos. Hevos assumes no responsibility or liability for any errors inaccuracies that may appear in this manual.
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