Octave Phono EQ.2 Owner's Manual
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Octave Phono EQ.2 Owner's Manual

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Phono EQ.2
Owner's Manual
English

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Summary of Contents for Octave Phono EQ.2

  • Page 1 Phono EQ.2 Owner’s Manual English...
  • Page 2 FOREWORD Congratulations and thank you for choosing the OCTAVE phono preamplifier Phono EQ.2 Alongside the drive and pickup cartridge, the phono preamplifier plays a crucial role in the playback quality of analog records. This is why OCTAVE offers a perfectly coordinated phono input, including for...

  • Page 3: Table Of Contents

    CONTENT OCTAVE TECHNOLOGY 1.1. OCTAVE amps in contrast to other equipment 1.2. Description Phono EQ.2 1.3. RIAA equalization SAFETY INSTRUCTIONS 2.1. Before you begin 2.1.1. In case of emergency: disconnect the plug from the mains supply 2.1.2. Service and maintenance 2.1.3.

  • Page 4: Octave Technology

    OCTAVE TECHNOLOGY 1.1. OCTAVE amps in contrast to other equipment Hand built OCTAVE amplifiers are hand built and individually tested. They are designed and developed by Andreas Hofmann. Made in Germany OCTAVE amplifiers are 100% built in Germany. Our employees are highly qualified and committed.

  • Page 5: Riaa Equalization

    OCTAVE TECHNOLOGY 1.3. RIAA equalization A record player is an electro-mechanical device. Music signals are “pressed” into the grooves in the record, and these are physically tracked and read by the pickup car- tridge. In order to get the entire 20 Hz to 20 KHz frequency range into the grooves, the frequency response has to be shaped by lowering the level of the low-frequency infor- mation and raising the level of the high-frequency information.

  • Page 6: Safety Instructions

    Always replace fuses with ones of the same type and rating. If your amplifier requires servicing, please ship or take your equipment directly to OCTAVE or to one of our authorized service centers. 2.1.3.

  • Page 7: Warranty

    2.3. Warranty OCTAVE can only guarantee the safety, reliability and performance of this unit if modi- fications and repairs are carried out by specialized personnel and if the amplifier is operated in accordance with the instructions contained in this manual.

  • Page 8: Phono Eq.2 Rear Panel

    DEVICE OVERVIEW 3.2. Phono EQ.2 rear panel Legend MC input RCA input for MC pickup cartridge systems (L = left; R = right) MM input RCA input for MM pickup cartridge systems (L = left; R = right) Ground connection...

  • Page 9: Bottom Of Phono

    DEVICE OVERVIEW 3.3. Bottom of Phono EQ.2 Legend IMPEDANCE MC Adjustment of the MC pickup cartridge system input impedance GAIN MC Adjustment of the gain for MC pickup cartridge sys- tems. Gain adjustment allows for adjustment of the MC input to low and high output systems.

  • Page 10: Connection

    Move the MM/MC toggle switch to the setting for the desired pickup cartridge system (see section 3.2, item (6)). Depending on the pickup cartridge system, connect the MM/MC pickup cartridge Phono EQ.2 system to the MM or MC inputs on the (see section 3.2, items (1) and (2)).

  • Page 11: Setting The Gain For Mc Pickup Cartridge Systems

    OPERATION 170 ohms ○ ● ○ ● 146 ohms ● ○ ○ ● 125 ohms ○ ○ ○ ● 100 ohms ● ● ● ○ 97 ohms ○ ● ● ○ 75 ohms ● ● ○ ○ 66 ohms ● ○...

  • Page 12: Troubleshooting

    You can isolate the aerial earth connection with a special signal isolator. This device has no adverse effect on the sound or picture quality of tuners or TVs. Solution Phono EQ.2 ground connection may remain unused to interrupt a ground loop with the grounded source device.

  • Page 13: Technical Data

    TECHNICAL DATA TECHNICAL DATA 7.1. Phono moving magnet Phono MM Frequency response +/- 0.25 dB RIAA / 25 Hz – 20 kHz Input sensitivity 4 mV Gain 50 dB Input capacity 220 pF Input impedance 47 kohms Output impedance 100 ohms Signal-to-noise ratio -90 dB/2.5 V output level Maximum input level...

  • Page 14: General Data

    TECHNICAL DATA 7.3. General data General data Power consumption < 2 W Weight of preamplifier 0.8 kg Weight of power supply 0.1 kg Dimensions of power amplifier Width x height x depth = 100 x 55 x 167 mm Dimensions of power supply Width x height x depth = 50 x 55 x 40 mm Supplied accessories External power supply...

  • Page 15: Diagrams

    TECHNICAL DATA 7.5. Diagrams 7.5.1. Phono MC frequency response, RIAA Frequency response with subsonic filter 7.5.2. Hum and noise level Hum and noise level with MC, gain = 58 dB...
  • Page 16 We reserve the right to alter and improve specifications pursuit of better. OCTAVE is a registered trademark of Andreas Hofmann Octave Audio. This manual copyright Andreas Hofmann. Reproduction in whole or part is prohibited. EN2015.02 OCTAVE AUDIO Germany www.octave.de...
  • Page 18 ANDREAS HOFMANN OCTAVE AUDIO INDUSTRIESTR. 13 76307 KARLSBAD GERMANY TEL +49 72 48 / 32 78 FAX +49 72 48 / 32 79 HOFMANN @ OCTAVE.DE WWW.OCTAVE.DE...

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