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Summary of Contents for Linnenberg MAESTRO
- Page 1 Owner’s Manual MAESTRO...
- Page 3 Thank you for purchasing the MAESTRO ! The MAESTRO is a direct descendant of the critically acclaimed spa1 headphones amplifier. Serving the demands of discerning headphone aficionados, the unit was designed for an outstanding listening experience with any type of dynamic and planar- magnetic headphones.
- Page 4 Controls and connections - front XLR <-> Headphone Power (on/off) switch: the <-> Mute <-> on/off switch disconnects input Line - output the unit from the DC select select switch power supply when switch switched off. Volume control knob IR – IR –...
- Page 5 Connections - rear Connect Left / Right output: A pair of gold plated the power RCA – connectors and second pair of supply to XLR – connectors (male) allows the the power connection of a power amplifier or inlet active speaker. Input connectors: one pair XLR (female) and one pair of RCA connectors for use as inputs.
- Page 6 ( > 85%) should be avoided. The wall adaptor provided with the unit is connected to the MAESTRO power inlet. The line operating voltage of this high performance power supply can range from 100V – 240V. The mains plug conforms to the sockets used in the destination country.
- Page 7 Please, do not connect a mono phone jack to the MAESTRO, since this shortens the right channel output to ground. Although rarely seen, you can connect your headphone to the MAESTRO with a 3 pin XLR jack. Both the phone jack and the 3 pin...
- Page 8 XLR connection is the avoidance of shorts when plugging in and out a phone jack. Moreover, this is the reason why one should place the MAESTRO or any other headphones amplifier with low output impedance in the “MUTE” mode when changing the headphone connection.
- Page 9 From the manufacturers point of view we strongly recommend using a 4 wire re-cabled headphone driven by the symmetric output; since the MAESTRO is internally strictly balanced, this is the perfect match. Here is the required wiring scheme; sometimes referred to as the...
- Page 10 HIGH END stereo system. Besides the restriction to just 2x selectable inputs, there is essentially no limitation for its use. To enhance the versatility of the MAESTRO, the volume is remote controllable. The unit responds to the © Apple remote.
- Page 11 When powering up the amplifier, the setting of the volume knob will be used as actual playback volume. (…usual potentiometer operation) Once you have pressed the remote in either direction, the IR-volume-indicator will light up. If the actual volume is higher then indicated by the knob, the LED will be illuminated in yellow, if it is lower, the LED will light up in green.
- Page 12 Specifications Frequency response DC – 200kHz -3dB (HF – blocking filter) Distortion and noise <0.001% 10Hz - 20kHz Channel balance 0.05dB Gain +10dB Input impedance 47kΩ per phase Dynamik range : 130dB Output power continuous, 32Ω, both channels driven, 2A peak current capability Output level max.
- Page 13 The serial number is an essential part of our conformity declaration and therefore of the approval for operation of the MAESTRO. The serial numbers on the unit and in manual, must not be removed or modified, and must correspond.
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Page 14: Warranty Certificate
In the event that LINNENBERG ELEKTRONIK receives, from an original purchaser and within the warranty coverage period, written notice of defects in materials or workmanship, LINNENBERG ELEKTRONIK will replace the product, repair the product, or refund the purchase price at its option. - Page 16 © Linnenberg Elektronik 2014...