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Inputs:

3 x RCA selectable,
1 x RCA direct,
1 x RCA custom load

Gain:

MC Lo: 72, 66, 60, 54dB;

MM Hi: 48, 42, 36, 30dB + Mute

Load:

MC: 47KOhm to 47Ohm in 32 Steps
MM: 70pF to 680pF in 32 Steps

Frequency Response (-3dB):

12Hz - 95kHz

Signal-to-noise ratio “A” weighted:

> 90 dB

Total Harmonic Dist. + Noise (THD+N):

< 0.3%

Outputs:

1 x XLR L/R,
1 x RCA L/R,
1 x USB

Output impedance:

RCA < 200 Ohm, XLR < 400 Ohm

Analog to Digital Converter:

24Bit/96KHz

Thermionic Electron Valves

2 X ECC81/12AT7 (NOS), 2 x 5687/6900 (NOS): amplification
EZ80/6V4 (NOS): rectifier stage

Power Transformers:

Custom Double C Core 150W:  Audio Circuit
Custom Double C Core    40W: Digital Audio Section
Custom EI Core                18W: MicroProcessor

Appendix C - Specifications

Summary of Contents for PH-77

Page 1: ...PH 77 Reference Class Dual Mono Phono Equaliser Owner s Manual...

Page 2: ...dio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or r...

Page 3: ...ng instructions in the literature accompanying this component WARNINGS Unplug the component from the wall outlet before cleaning Never use benzine thinner or other solvents for cleaning use only a sof...

Page 4: ...tlet To disconnect the AC power cable grasp the plug itself never pull the cable CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN It is designed to be operated in a horizontal position only Do not place hea...

Page 5: ...f the PH 77 and its subsequent setup Upon unpacking please find i PH 77 Reference Class Dual Mono Phono Equaliser ii RP 77 Remote Commander with 2 x AAA batteries iii PH 77 Owner s Manual iv AMR Warra...

Page 6: ...ON RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR Interconnect Cable Interconnect Cable Power On Off Sync Balanced Input Designed and Engineered in Great Britain Dual Mono...

Page 7: ...ELECT to select between the 3 different inputs or to select the different EQ curves software configurable F3 MENU OK to operate the Menu system for setting cartridge parameters and other functions The...

Page 8: ...3 2 L R Load Direct Input Input Normal Direct CLASS 1 LASER PRODUCT No User Serviceable Components Inside For service contact your Authorised Dealer or Distributor Any modifications to this equipment...

Page 9: ...e connection of a PC 77 mains power cable to the PH 77 R11 POWER to switch on mains electricity to the PH 77 In the majority of audio systems the PH 77 is most likely to be operated in direct input mo...

Page 10: ...ter Menu mode RC4 OK to confirm selection in Menu mode RC5 SELECT to select between the 3 different inputs or various EQ curves RC6 SELECT to select between the 3 different inputs or or various EQ cur...

Page 11: ...r the remote control see section 4 3 Use the active button s to step through the available EQ curves To switch between Mono Stereo EQ curves press and hold the active button s While selecting EQ curve...

Page 12: ...nput X is displayed on the 1st line of display X is 1 2 3 D depending on which one of Input 1 Input 2 Input 3 is selected or if the Direct input has been selected The 2nd line of the display displays...

Page 13: ...for MM MC Hi is 30dB for MC Lo it is 54dB Use the buttons to adjust gain downwards or upwards You can step through several levels off gain by repeatedly pressing the appropriate button If the gain is...

Page 14: ...is automatically switched to Mono Once the desired selection has been made press the button to confirm and to continue on to the next item 4 1 4 Setting Loading for Input X Setting Load Input X is di...

Page 15: ...r Stanton MM Brinkmann Fidelity Res Nottingham Sumiko 47 Labs Cardas Garrott Ortofon Supex Accuphase Cartridge Man Goldring Phase Tech Transfig Allaerts Clearaudio Grado Pickering Tubaphon Air Tight C...

Page 16: ...gins the OptiMains system will automatically switch off the mains power to the internal parts of the PH 77 to prevent any damage from occuring If the display reads A C V o l t a g e O u t s i d e O p...

Page 17: ...qualisation curves Whichever function is not handled by the buttons is assigned to the button If the PH 77 is used with the direct input only the buttons are best assigned to the EQ function If multip...

Page 18: ...o Mono AES 51 1951 AES Standard DECCA FFSS Decca London stereo and NAB Mono Columbia 48 Early Columbia LP mono stereo LP s US Mono Columbia 52 Late Columbia LP mono CCIR 56 Europe pre appx 1962 Easter...

Page 19: ...s remote control batteries have replace 2 x AAA batteries not work expired object obscuring remote sensor on remove any objects directly in front of the PH 77 the PH 77 no line of sight A humming soun...

Page 20: ...eighted 90 dB Total Harmonic Dist Noise THD N 0 3 Outputs 1 x XLR L R 1 x RCA L R 1 x USB Output impedance RCA 200 Ohm XLR 400 Ohm Analog to Digital Converter 24Bit 96KHz Thermionic Electron Valves 2...

Page 21: ...230V AC 50Hz 60Hz Mains Fuse 100V 120V 2A Slow Blow 230V 1A Slow Blow Colour Champagne or Titanium Dimensions 17 9in W by 6 2in H by 18 3in D 46cm W by 16cm H by 47cm D 62 cm W by 30cm H by 78cm D shi...

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