ABSOLARE Phono Stage
User Manual
Page 1: ...ABSOLARE Phono Stage User Manual ...
Page 2: ...2 ABSOLARE Phono Stage User Manual 1 2 ...
Page 3: ...d Warnings 4 3 Unpacking and Placement 5 4 Installing the Tubes 6 5 Connecting the Cables 8 5 1 Power cables 8 5 2 Signal Cables 8 6 Operating the Unit 8 6 1 General Operation 8 6 2 Installing Changing Custom Load Resistors 9 7 Troubleshooting and Maintenance 10 8 Technical Specifications 11 ...
Page 4: ...ransformers and also separate DC regulators for input and output sections of the Signal Stage Two input channels with adjustable loading resistance are directly coupled to the input tubes 2 Safety Issues and Warnings Be sure the voltage setting of the unit matches the applied voltage to power input Operating voltage is fixed and must only be changed by an authorized service agent Do not touch tube...
Page 5: ... be supported by separate support feet They do not have support feet fixed in place Feet can affect the sound quality significantly Feet must be positioned underneath each unit in direct contact with the aluminum base plate not the leather clad MDF covers There are three areas where the aluminum base plate is exposed through openings in the leather clad MDF bottom plate You can use either three or...
Page 6: ...ur tubes are located inside the unit accessible only by removing the small cover on the rear panel Placement of the upper tubes is shown below You may receive the unit with the internal tubes already pre installed If this is not the case or you wish to replace them yourself you should remove the four small hex screws on the corners of the small cover on the rear panel as indicated below ...
Page 7: ...ns before installing the tubes into the sockets PLEASE NOTE WE417 tubes have different pin configuration to 6C45PI tubes You must either have the WE417 version of the phono stage or use a conversion adapter Otherwise the unit will not work and permanent damage may occur 12AX7 12AU7 6C45PI tubes have one missing pin acting as a correct positioning key Align the missing pin with the missing hole in ...
Page 8: ... the inputs selects the active input channel Ground point is common for both input channels 6 Operating the Unit 6 1 General Operation Absolare Phono Stage will be ready to operate 40 seconds after turning on the power but attain full performance after 15 to 30 minutes Signal ground and chassis power ground is separate inside the Signal Stage and they are connected by a high pass filter to reduce ...
Page 9: ...value Input capacitance is fixed at 100pF You can use the 47K setting for MM cartridges 6 2 Installing Changing Custom Load Resistors Custom load resistors are accessible from behind the small back cover First you should remove the four hex screws on the corners of the small cover on the rear panel Then you can change the resistors to any desired value There are straight wires in place of the resi...
Page 10: ...Both indicator lights are on but tube heaters are not glowing Check all DC power cords Both indicator lights are on tube heaters are glowing but no sound Check all DC power cords Check the input selector Check resistor loading custom level is short circuited as factory default Check output cables Noise hum in the sound Check grounding of input cables Check resistor loading 47K setting may increase...
Page 11: ...independent inputs A B with input selector switch 5 factory fixed 1 custom cartridge loading level for each input Custom resistors can be accessed via input tube cover on the back of the unit Input A loading 68 Ω 150 Ω 330 Ω 680 Ω 47 kΩ custom value Input B loading 47 Ω 100 Ω 220 Ω 470 Ω 1 kΩ custom value Input capacitance 100 pF Direct coupling to input no step up transformer Gain 61 dB fixed Out...
Page 12: ...USA LLC 40 Pemberton Road Nashua New Hampshire 03063 Phone 212 229 1842 E mail info absolare com ABSOLARE SERVICE EUROPE Mozartstraat 157 1962AL Heemskerk Netherlands Phone 31 61 399 3049 E mail info absolare nl ...
Page 13: ...13 ABSOLARE Phono Stage User Manual 1 2 2020 ABSOLARE ...
