HP 500 SE
Page 1: ...HP 500 SE...
Page 2: ...classic circuit designs has not done the technology any favours Today s loudspeakers and source equipment provide better performance than ever before but also make greater demands on amplifiers Moder...
Page 3: ...o suggestions made by the editorial team at Stereoplay magazine This version was approved by the editorial team following exhaustive listening tests The sonic performance of each of the 99 Limited Edi...
Page 4: ...ation Front panel 12 5 Connections Rear panel 14 6 The outboard power supply 15 6 1 Description 15 6 2 Rear panel for 230 115 V grounded mains 16 6 3 Rear panel for 100 V ungrounded mains 17 7 Program...
Page 5: ...Management Power supply and other functions Amplifier Sound Quality OCTAVE amplifiers are equipped with a proprietary control and monitoring system we call Power Management This is an electronic brai...
Page 6: ...pply current is absolutely clean We therefore use MOSFET transistors to regulate the high voltage supply The heating and auxiliary circuits are also stabilized All voltages have a noise and hum compon...
Page 7: ...ations to OCTAVE equipment are carried out only by a qualified technician Fuses should also only be changed by a qualified technician Always replace fuses with ones of the same type and rating If your...
Page 8: ...e that 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 mec...
Page 9: ...hat the volume control is not set at maximum before playing music through the amplifier 8 Switch on the mains power the push button switch is located on the rear panel of the power supply The preampli...
Page 10: ...the line stage The setting is shown by the low and high LEDs You can also use this switch to activate the muting function The LED above the switch illuminates when the muting is on The muting function...
Page 11: ...ut selector switch When the LED above the input selector rotary switch illuminates Tape Source knob switched to Source your preamplifier will play your selected source Disc CD playback Aux Input for a...
Page 12: ...nnecting to your stereo system MM input Input for moving magnet pickup Tuner input AUX input Input for video TV etc CD input Tape rec Output to tape machine Tape play Input from tape machine OUT 1 2 R...
Page 13: ...gn is based on the realization that an effective improvement in sound quality can be achieved by completely isolating the preamplifier from the mains simulated battery powered operation Classic LC fil...
Page 14: ...e pin IEC receptacle A power cable is supplied with your preamplifier Fuse holder 230 V mains 0 63 A time lag fuse 115 V mains 1 A time lag fuse Fuse type EN 60127 2 5 Changing the fuse should be left...
Page 15: ...e Fuse holder 100 V mains 1 6 A time lag fuse Fuse type EN 60127 2 5 Changing the fuse should be left to a qualified service technician AC input two pin IEC receptacle A power cable is supplied with y...
Page 16: ...el with button AUX Once selected you can always control the volume directly by pushing the button Vol or Vol Detailed information relating the use of the remote control you find in the owner s manual...
Page 17: ...8 TUBES 8 1 Tube layout Before opening the cover it is mandatory to remove the power cord from the mains power inlet Line board ECC 82 12 AU 7 EF 184 Phono board ECC 83 12 AX 7 ECC 81 12 AT 7 ECC 88 6...
Page 18: ...d right of the front panel using a size 4 Allen key 2 Insert a Philips no 1 screwdriver through the grille at the rear of the unit and undo the two Philips screws at the left and right These screws ha...
Page 19: ...ips Cleaning agents and contact cleaners are not recommended for tube sockets Clean dirty sockets with compressed air and carefully clean tarnished tube pins using a wire brush 6 Please note No adjust...
Page 20: ...output and low impedance moving coil cartridges Most preamps have problems with such cartridges since both gain and input impedance issues have to be addressed simultaneously We have developed an MM M...
Page 21: ...ce ohms Switch no Switch position Resistance ohms 1 All Off 500 All Off 500 2 1 On 330 5 On 330 3 2 On 200 6 On 200 4 1 2 On 166 5 6 On 166 5 3 On 97 7 On 97 6 1 3 On 88 5 7 On 88 7 2 3 On 75 6 7 On 7...
Page 22: ...on is to 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 phono plugs are a tight fit Bend the...
Page 23: ...kHz Crosstalk rejection between inputs 86 dB 10 kHz Input impedance 100 kOhm Output impedance 100 ohms RCA phono 2 x 50 ohms XLR Channel tracking of volume control 0 5 dB 70 dB Pin allocation XLR out...
Page 24: ...optional phono MM and MC module may be added any time MC input impedance is adjustable over a wide range Soft start for heaters operating voltage and signal output This results in maximum service life...
Page 25: ...SPECIFICATION Diagrams Frequency response accuracy of line stages in low gain setting 20 Hz 200 kHz 0 1 dB Overall distortion THD noise of line stage from 20 Hz 200 kHz Distortion remains low up to 2...
Page 26: ...ectrum of line stage 4 V output at 1 kHz The low level of harmonic distortion and low noise level are clearly visible There are no hum components at 50 Hz and 100 Hz Frequency response of the phono st...
Page 27: ...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 pa...
