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Lindemann - Musicbook Power 500 - Power Amplifier



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What makes actually a good power amplifier? Sufficient output, good technical specs with low distortions and a high damping factor, perhaps also a high efficiency. This is certainly true, but doesn’t say much about the acoustic result Lindemann can achieve with a loudspeaker. A really good power amp can drive a loudspeaker in such a way that even the very last ounce of musical information becomes perceivable. And always in a sovereign and very relaxed manner.

The Musicbook POWER is not only the ideal game partner for the Musicbook SOURCE, but also knows how to get even the finest musical details out of a loudspeaker. Of course, with excellent measured values and minimal power consumption.


  • Designed in Germany, made in Europe
  • The Musicbook POWER is a real allrounder and can be combined with virtually all kinds of loudspeakers. Speakers with an average or high sensitivity are already perfect game partners for the Musicbook POWER 500. For speakers with a low sensitivity or low impedance we recommend the Musicbook POWER 1000 which can ”push out” more than 20 amperes of current.
  • The Musicbook POWER has a smart automatic switch-on. As soon as music is being played, it will automatically come on and then turn off again once the job’s been done. This is convenient and, by the way, it will also help you to save energy.
  • For normal volume levels the Musicbook POWER consumes less than 20 W. At medium to high levels, the efficiency of the Musicbook POWER is up to 5 times greater than with conventionally built amplifiers. This helps to save both your wallet and the environment.
  • The Musicbook POWER uses the currently best class-D amplifier technology: not only does the N-Core technology offer excellent measured values for distortions, noise and damping factor – above all, it is completely devoid of sound effects. A "wire with gain" hits the nail on the head.
  • Speed, dynamics, transparency and mighty authority in the sub-low range. But nonetheless totally relaxed and absolutely natural. This is how the sound of the Musicbook Power can be best described. One could also say: big listening fun!
  • The Musicbook POWER has extensive protection circuits against short circuit, excess current or DC at the output. There is also an intelligent temperature monitoring that will mute the device in case of overload until the temperature has returned to normal.



A unique feature of the Musicbook POWER is the possibility to run one power amp per channel in “vertical bi-amping" mode. This requires a loudspeaker with separate connections for the bass and the high/midrange. Each range is driven by a proprietary power amp. The result is a clear improvement in sound quality in the fundamental range and an enhanced overall transparency of reproduction. In most cases the bass range will equally benefit from this.

In bi-amping mode the Musicbook POWER offers a level control for the bass which is now adjustable in ten steps. This feature is a real problem solver in many living rooms. Depending on the speaker placement less can be more here! This is especially true of large speakers which are difficult to set up.


The Musicbook POWER is a top-level class-D amplifier. This "N-Core" design (a reference to "encore") is nothing but a revolution in this field. The measured values of these amplifiers are remarkable for several reasons: very low distortions, an extremely high damping factor and a linear frequency response up to 45 kHz. Even more important is the fact that the distortions will not increase at high modulation or towards high frequencies, and the frequency response does not depend on the speaker impedance. Hence the connected loudspeaker does exactly what it’s supposed to do. It is controlled perfectly. The result is a supremely musical reproduction without any resonances or coloration



  • Mains connection: 90-240 V, 50/60 Hz
  • Power consumption: 0,5 W stand-by, 9 W operation, 650 W max.
  • Dimensions (W x H x D): 280 x 220 x 63 mm
  • Weight: 2,9 kg

Power amps

  • XLR Inputs: analog line-level inputs
  • Input voltage for full modulation: 1,68 V
  • Input impedance: 50 kOhms
  • Speaker outputs: banana plugs
  • Speaker impedance range: 2 – 8 Ohms
  • Output power: 2 x 250 W @ 4 Ohms
  • Gain: 25,5 dB
  • THD: < 0,003%
  • Frequency response: 1 Hz – 45 kHz
  • Signal-to-noise ration: > 110 dB

Automatic switch-on

  • Switch-on threshold: ca. 0,5 mV balanced
  • Switch-on delay: ca. 2-3 seconds
  • Switch-off time: ca. 75 minutes

Protection circuits

  • DC at output: Amp shuts down. Must be disconnected from mains and switched on again. LED is permanently on red.
  • Over temperature: LED flashes red. In case of further temperature rise, the amp is muted until the temperature is back to normal again.
  • Current limiting: Amp is muted. Output current switching threshold: 17,5 A