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Linnenberg JOHANN SEBASTIAN BACH Owner's Manual

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BACH
JOHANN SEBASTIAN
PHONO STAGE

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Summary of Contents for Linnenberg JOHANN SEBASTIAN BACH

  • Page 1 BACH JOHANN SEBASTIAN PHONO STAGE...
  • Page 2 Owner’s Manual...
  • Page 3 For many music lovers, the playback of vinyl records is the most important medium in their music collection. This is supported by the unmistakable character of the analogue sound, as well as the fact that the playback quality has improved considerably in recent times. The BACH phono stage achieves the perfect analog sound through the use of a fully symmetrical circuit that suppresses noise and...
  • Page 4 Basic operation Room temperatures over 30 degrees Celsius (86 degrees Fahrenheit) and / or extreme humidity should be avoided. Place the unit on a solid, flat level surface such as a shelf where it is convenient to operate. Choose a location where the connecting cable to the tonearm is short (less than 1.5m).
  • Page 5 Connections Connecting the Analog Output Connect the left and right interconnect cables from the BACH's outputs to your preamplifier left and right inputs. To maintain best sound quality, it is strongly recommended that balanced audio connections to be used. This is not only for the reason of the best possible performance;...
  • Page 6 Connecting a Turntable BACH has two independent inputs for use with two separate tonearms / turntables. These inputs are labelled input A and input B. Turntable Connection Types For start listening, you only need to connect a turntable to the BACH as you would do to any other phono preamplifier.
  • Page 7 A phono cartridge is actually a true balanced source, a balanced input is provided. Connect the output cables from your turntable to the left and right channel XLR input. Do not short pin 1 (chassis/ground) to either pin 2 or 3 of the XLR connector at any point in the cable, turntable chassis, or tonearm.
  • Page 8 – mainly intended for unbalanced standard phono amplifiers – LINNENBERG AUDIO cannot guarantee that a configuration will automatically work properly. Sometimes experimenting with different ground schemes is inevitable. Your dealer will help you if...
  • Page 9 Channel A / B selection BACH has two independent inputs. You can switch over from one to the other on the fly by pressing the push button located near the A/B indicators. Gain Selection Adjustment Each input has 3 gain settings. 50dB, 60dB or 70dB.
  • Page 10 BACH fuse replacement Replacing the fuse The fuse holder is located on the back of the unit; the fuse must be replaced by a 3.15AT type (5x20mm). Normally the fuse should never blow – if it has, it is a sign of a serious fault condition. Further investigation is needed.
  • Page 11 Specifications Gain: 50 – 60 – 70dB (sym. input -> sym. output) Signal to noise ratio: Gain = 50dB, 5mV: 96dB(A) Gain = 60dB, 500μV: 78dB(A) Gain = 70dB, 500μV: 77dB(A) Equivalent Input Noise: 64nV = -144dBV Input impedance: 30 – 100 – 300 – 1k – 47kΩ...
  • Page 12 CE declaration of conformity Product Type: Phono preamplifier Model: J. S. BACH Linnenberg-Elektronik declares that this product complies with Voltage Directive 2014/35/EU Electromagnetic Compatibility Directive 2014/30/EU as well as the Ecodesign Directive 2009/125/EC. The unit meets all currently valid regulations only in its original condition.