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PHONO MODULE

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Содержание Phono Module

Страница 1: ...PHONO MODULE ...

Страница 2: ...assic circuit designs has not done the technology any favours Today s loudspeakers and source equipment provide better performance than ever before but also present greater demands on amplifiers Modern sound reproduction equipment delivers a level of performance at a price that simply would not have been possible 20 or even 10 years ago These advances have been achieved through the application of ...

Страница 3: ...4 ...

Страница 4: ...4 Assembly of the Modules 13 4 5 Power Supply 14 4 6 Tube layout Replacing tubes 15 4 7 Subsonic Filter 16 4 8 Remote Control optional 17 4 9 Technical data Main Unit 18 5 Available Inputs 5 1 IN 1 MM RCA 20 5 2 IN 2 MC RCA 22 5 3 IN 3 MC XLR 24 5 4 IN 4 Line In 26 5 5 IN 5 MC Step Up Transformer Fixed Impedance 28 5 6 IN 6 MC Step Up Transformer Switchable Impedance 30 6 Available Outputs 6 1 OUT...

Страница 5: ...Power Management Power supply and other functions Amplifier Sound Quality OCTAVE amplifiers are equipped with a proprietary control and moni toring system we call Power Management This is an electronic brain within the amp that regulates and controls all of the amplifier s func tions It includes the Soft Start Electronics that gently ramp up the heating and supply voltages to reduce wear and tear ...

Страница 6: ... a phono stage presents a great challenge to achieve low distortion low noise and a low input sensitivity in the circuit topology The overall gain of a phono stage is very high thus the de mands on the circuit are complex in every aspect of the analogue technology The Octave Phono Module combines both tube and solid state devices Incorporating solid state circuitry is the best choice for the MC in...

Страница 7: ...ld also only be changed by a qualified technician 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 author ized service centers Explanation of the warning symbols The exclamation point within an equilateral triangle is intended to alert the user to important operating and maintenanc...

Страница 8: ...t it may be in direct sunlight Do not operate the unit near flammable materials gases or vapours Avoid areas where there may be heavy accumulations of dust or where the unit may be subject to mechanical vibration Place your OCTAVE amplifier on a stable even surface 2 Cover Never operate the amplifier without the cover 3 Ventilation Make sure that your amplifier has a good flow of air around it If ...

Страница 9: ... not set at maximum before playing music 6 Switch on the mains power with the on off power switch of the power supply see chapter 4 5 External Power Supply The preamplifier needs approx 2 4 minutes warm up time During the warm up period the output is shorted to ground to avoid disturbances 7 Switch on the other components in any sequence 3 2 Running in All OCTAVE equipment is subject to a 48 hour ...

Страница 10: ...hing between the Inputs IN1 2 3 causes the Automuting Electronic to mute the Output for 30 sec This function eliminates switching disturbances and is indicated by the Muting LED selector IR Sensor For perfect operation of the remote control the infrared receiver should not be covered LED Display The LEDs indicate the selected Input INPUT 1 2 or 3 If any slot is not equipped with an Input Module th...

Страница 11: ...ou can connect one or two IN 4 Modules maximum 2 pc Screw terminal 1 4 For the connection of the Modules There are three Slots available for the Input Modules INPUT position 1 2 und 3 and one Slot available for the Output Modules Slot 4 The Output Module can only be mounted in Slot 4 while any of the Input Modules may be installed in any of the 3 available Input Slots except IN 4 which is provided...

Страница 12: ...he number of the connectors IN 5 Slot 1 2 or 3 IN 6 Slot 1 2 or 3 Connecting the Modules Please ensure that the unit is switched off and disconnected from the mains 1 Unscrew the six TORX screws from the top cover plate and remove the plate 2 Unscrew the four screws from the cover plate of the empty Slot 3 Loosen the set screws of the corresponding Screw Terminal 4 Insert the Module into the Screw...

Страница 13: ...IN UNIT 4 5 External Power Supply Power Supply front Mains power switch I On Control LED Power Supply rear panel Mains Input IEC receptacle Serial Number and Mains Voltage Connecting Cable with Plug Connector ...

Страница 14: ...or a qualified technician 1 Unscrew the six TORX screws from the top cover plate and remove the plate 2 Remove the old tubes Carefully remove the tubes from their sockets taking care not to exert sideward pressure on the sockets 3 Insert the new tubes Please ensure that the tube pins are all perfectly straight before inserting your new tubes Straighten any bent pins very carefully by hand if neces...

Страница 15: ...his low frequency cause excessive swing of the bass driver membrane especially if it s a bass rexlex system Electrostatic speakers should be protected against such low frequences in general because the bandwidth of the input transformer of a wide band electrostatic speaker is normal ly limited to approximately 20Hz The low frequency signals can be reduced with the Subsonic Filter The cut off frequ...

Страница 16: ...n Volume up Device mode selection keys OCTAVE is under AUX Select the Phono Module by pressing the AUX button once You can now adjust the volume by repeatedly pres sing the VOL and VOL buttons You will find more detailed information on pro gramming the remote control in the separate operating instructions Please don t trash the old batteries Batteries must be disposed of as special waste Stores th...

Страница 17: ...ion follows the RIAA Curve within the Tolerance of 0 2 dB in the frequency range of 10Hz to 50kHz This precision requires a equalization network with a maximum de viation of 0 1 FFT Analysis of the RIAA Phono Stage Measurement MC RCA Input to Fix Out 2 V RMS Output Frequency 1 kHz The graph depicts the absence of hum caused by the mains The RIAA Stage adds only se cond order distortion k2 2kHz in ...

Страница 18: ...le 2 and the stray field of a conventional transformer 3 It is easy to see that the stray field extends to the midrange with peaks up to 2 kHz This causes interference with the signal of the MC pickup A balanced input effectively reduces the hum and the interference To ensure optimum sound quality and reproduction the balanced connection is most effective especially when the cable length and the p...

Страница 19: ...l red Left Channel white see above Top View Rear Panel Input Impedance Pin Con nector for Screw Ter minal 1 2 3 Low 1 kOhm High 47 kOhm Position Low is for High Output MC Pickup Systems which require an Input with MM Sensitivity Position High is for normal Moving Mag net Pickup Systems The Input Modules have one less Pin than the Output Modules therefore the Input Modules can only be mounted in Sl...

Страница 20: ... 3 5 mV Input Impedance 1 kOhm 47 kOhm 220 pF Gain Factor 38 dB Signal to Noise Ratio 94 dB 1 kHz Bandpass Measurement Static Noise Level MM Input Reading on the FIX Output THD Noise in the Range of 400 Hz 20 kHz Reading on the FIX Output Output Voltage 1 V RMS ...

Страница 21: ...in Switch Pin Con nector for Screw Ter minal 1 2 3 The Value of the Input Impedance is im portant for the sound of the cartridge The recommended Impedance setting is provid ed in the specs of the cartridge Switch No 1 2 3 4 1000 Ohm 500 Ohm 330 Ohm 250 Ohm 200 Ohm 170 Ohm 146 Ohm 125 Ohm 100 Ohm 97 Ohm 75 Ohm 66 Ohm 62 Ohm OFF ON Delivery State 100 Ohm The Gain Switch adjusts the Phono Input Sensi...

Страница 22: ... 68 dB 60 dB Signal to Noise Ratio 86 5 dB 92 5 dB 1 kHz Bandpass Measurement Noise Factor 0 5 µV Hz Gain low 1 27 µV Hz Gain high Static Noise Level MC RCA Input Reading on the FIX Output Upper Graph Gain high Lower Graph Gain low THD Noise in the Range of 400 Hz 20 kHz Reading on the FIX Output Output Voltage 1 V RMS ...

Страница 23: ...witch Pin Con nector for Screw Ter minal 1 2 3 The Value of the Input Impedance is im portant for the sound of the cartridge The recommended Impedance setting is provid ed in the specs of the cartridge Switch No 1 2 3 4 1000 Ohm 500 Ohm 330 Ohm 250 Ohm 200 Ohm 170 Ohm 146 Ohm 125 Ohm 100 Ohm 97 Ohm 75 Ohm 66 Ohm 62 Ohm OFF ON Delivery State 100 Ohm The Gain Switch adjusts the Phono Input Sensitivi...

Страница 24: ... 68 dB 60 dB Signal to Noise Ratio 86 5 dB 92 5 dB 1 kHz Bandpass Measurement Noise factor 0 4 µV Hz Gain low 1 0 µV Hz Gain high Static Noise Level MC XLR Input Reading on the FIX Output Upper Graph Gain high Lower graph Gain low THD Noise in the Range of 400 Hz 20 kHz Reading on the FIX Output Output Voltage 1 V RMS ...

Страница 25: ... Switch to toggle between the Bal anced and RCA Input The signal LED XLR lights up when the XLR Input is switched on Top View Rear Panel LED XLR Push Button Switch Pin Con nector for Screw Terminal 3 Flat Wire Connector 2 The XLR LED illuminates only when the Input Module 4 is chosen Selector with the Selector on the Front Panel of the Phono Module In addition to the Pin Connector the Flat Wire Co...

Страница 26: ...m Specifications Sensitivity 100 mV 2 V Input Impedance RCA XLR 50 kOhm 25 kOhm Gain Factor RCA XLR 0 dB 6 dB FIX Output Crosstalk L R 60 dB Signal to Noise Ratio RCA XLR 120 dB FIX Output THD Noise RCA XLR 125 dB FIX Output Description The Line In Module upgrades the Phono Module to a full Preamplifier with one single ended RCA and one XLR balanced Line Level Input The Balanced Input allows the c...

Страница 27: ...ss slot Phillips Nr 1 screwdriver Input Right Left and Tonearm Ground Connection GND Right Channel red Left Channel white see above Top View Magnetic shielded Transformer Magnetic shielded Transformer Pin Con nector for Screw Ter minal 1 2 3 The Input Modules have one less Pin than the Output Modules therefore the Input Modules can only be mounted in Slot 1 2 or 3 ...

Страница 28: ...ransformer is around 10 dB lower than the noise of a low noise electronic MC preamplifier design Frequency response with a cartridge DC resistance of 5 Ohm Due to the lossless core of the Transformer the input impedance is high and constant This results in the flat frequency response of 20 Hz 75 kHz 1 3 dB even with a cartridge resistance up to 5 Ohm Advice Due to the low frequency filter characte...

Страница 29: ...ips Nr 1 screwdriver Input Right Left and Tonearm Ground Connection GND Right Channel red Left Channel white see specifications IN6 see above Top View Magnetic shielded Transformer Magnetic shielded Transformer Pin Con nector for Screw Ter minal 1 2 3 The Input Modules have one less Pin than the Output Modules therefore the Input Modules can only be mounted in Slot 1 2 or 3 ...

Страница 30: ...nput Impedance 80 Ohm 30 Hz 40 kHz Gain Factor 30 Cartridge Resistance 0 5 5 Ohm Signal to Noise Ratio 100 dB 1 kHz Bandpass Measurement Recommended for low level MC cartridges Total Harmonic Distortion THD Noise of the Transformer in Gain setting 15 The THD is extremely low because of the optimized winding technology and the advanced core material of the Transformer Advice Due to the low frequenc...

Страница 31: ...Screws Connecting Field 2 Mounting Screws Size M3 x 8 cross slot Phillips Nr 1 screwdriver Upper Pair Regulated RCA Outputs Lower Pair Fix Level Line RCA Outputs Right Channel red Left Channel white see above Top View Rear Panel Pin Con nector for Screw Ter minal 4 ...

Страница 32: ...amplifier as the maximum output level is in the line level range Additionally this Output is not optimized for highly capacitive loads which is often the case with short signal cables for power amplifiers Unregulated Fixed Output The fixed FIX Output is recommended for the connection to preamplifers or integrated amps The average output level is the same value as that of a CD Player The regulated ...

Страница 33: ...Con nector for Screw Ter minal 4 Amplification Tube only in the signal path of the regulated Output Type 6n6P 6N23 6922 ECC 88 Gain Switch for the gain factor of the regulated Output Position 1 Gain 0 dB Position 2 Gain 14 dB The Level of the Regulated Out is identi cal to the Level of the FIX Output in Posi tion 1 Position 2 increases the level to values required for driving an power am plifier d...

Страница 34: ...evel is the same value as that of a CD Player The regulated and the unregu lated Outputs are both muted during the warm up and the auto muting phases Advice If two components are connected to the FIX and Regulated Outputs at the same time there may be a degradation of the sound when the unit connected to the FIX Output is switched OFF If the FIX Output is not selected by the connected unit there a...

Страница 35: ...Tube 6N1 Sliding Switch Function Pin Con nector for Screw Ter minal 4 Amplification Tube only in the signal path of the regulated XLR Output Type 6N6P 6N23 6922 ECC 88 Sliding Switch to toggle between the FIX and Regulated function of the Balanced Output The FIX RCA Output is not af fected by this switch Position 1 Variable output level Position 2 FIX output level Advice Changing the Function duri...

Страница 36: ...technician and instructions in this regard are not described in this Manual Unregulated Fix Output The FIX Output is recommended for the connection of preamplifers and integrated amps via RCA The average output level is the same value as a CD Player The regulated and the unregulated outputs are both muted during the warm pp and the auto muting phases Advice if there are two components connected to...

Страница 37: ...o use a single power socket board for your entire system and to use a different power outlet in your listening room Channels are not balanced Check that the RCA plugs are a tight fit Bend the outer ground contact inwards slightly if nec essary Sometimes the internal pin in a RCA plug may not be a tight enough fit in which case you should change either the interconnect or the socket 1 Damaged cable...

Страница 38: ...GENERAL DATA AND DIMENSIONS General data Power Consumption 35W Weight Phono Module 7kg Weight Power Supply 3 kg Dimensions Phono Module 437 x 83 x 487 mm W x H x D Power Supply 110 x 76 5 x 277 mm W x H x T ...

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Страница 40: ...e de We reserve the right to alter and improve the specifications in pursuit of better OCTAVE logo is a registered trade mark of Andreas Hofmann Copyright by Andreas Hofmann Reproduction in whole or part is prohibited edited EN2012 ...

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