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AMR PH-77 Owner's Manual

Reference class dual-mono phono equaliser
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PH-77 Reference Class
Dual-Mono Phono Equaliser
Owner's Manual

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Summary of Contents for AMR PH-77

  • Page 1 PH-77 Reference Class Dual-Mono Phono Equaliser Owner’s Manual...
  • Page 2 FCC Declaration of Conformity - United States only Canadian Notice (Avis Canadien) This device complies with Part 15 of the FCC rules. Operation is subject to the Class B Equipment following two conditions: (1) This device may not cause harmful interference, This Class B digital apparatus meets all requirements of the Canadian and (2) this device must accept any interference received, including interference Interference-Causing Equipment Regulations.
  • Page 3 Care should be taken so that objects do not fall, and liquids are not spilled into the enclosure through any openings. This component should be serviced only by qualified AMR service personnel when: The power cable or the power input socket has been damaged;...
  • Page 4 Please anticipate the sonic that the PH-77 when installed, its location or position DOES NOT interfere with performance of the PH-77 to settle only after it has been used for this approxi- its proper ventilation.

  • Page 5: Section 1 - Setup

    PH-77 Reference Class Dual-Mono Phono Equaliser. all contents are RP-77 Remote Commander (with 2 x AAA batteries). present iii. PH-77 Owner’s Manual. AMR Warranty Card. Professional aluminium flightcase. Please ensure that all items are present. Should an item be missing, please contact your AMR distributor/dealer.
  • Page 6 1.2 Setup Connection Default: Direct The following diagram illustrates the standard connection of the PH-77 in direct input mode. This is the default factory input mode setting and is suitable for connection of a single tonearm/cartridge and turntable. Dual Mono Amplifier AM 77...

  • Page 7: Section 2 - Component Overview

    PHONO EQUALISER PH 77 PHONO EQUALISER PH 77 F1. STANDBY : to place the PH-77 in active or standby mode. F2. SELECT : 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.
  • Page 8 2.2 PH-77 Rear Panel Analog Outputs Analog Normal Outputs Direct Phono Equaliser PH 77 Input USB Output AC IN 90V 135V CLASS 1 260V LASER PRODUCT...
  • Page 9 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 mode: please inspect the rear panel of the PH-77 to verify the following:...
  • Page 10 2.3 RP-77 Remote Control RC1. STANDBY: to place the PH-77 in active or standby mode. RC2. BRIGHTNESS: to adjust brightness levels of display. RC3. MENU: to enter Menu mode*. RC4. OK : to confirm selection in Menu mode*. RC5. SELECT <: to select between the 3 different inputs or various EQ curves.

  • Page 11: Section 3 - Operation

    3.1 Notes on Operation 3.1.1 Power On/Off Press the ‘POWER’ rocker switch (R11) at the rear of the PH-77 to switch on mains power to the PH-77. To switch Once powered OFF, the mains power OFF, press again and release. Always wait at least 30 seconds before switching ON again.

  • Page 12: Section 4 - Menu Setting

    4 Menu Operation and Setting Cartridge parameters With the PH-77, one may select all the relevant parameters to match any cartridge and label the input with the cartridge manufacturer’s name (from a list) or type. The flowchart below illustrates the sequence of settings.
  • Page 13 If the gain is left unchanged, after several seconds, the system will use this as the new gain. After each change of gain the PH-77 will mute for 10 seconds to allow the gain circuit to settle into the new configuration.
  • Page 14 To switch between Mono & Stereo EQ curves, press and hold either of the buttons. When switching to Mono EQ curves, the PH-77 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.
  • Page 15 4.1.5 Setting Label for Input X “Labelling Input X” is displayed on the 1 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 2 line of the display displays the following names in sequence followed by input ID: MC Lo...
  • Page 16 Power OFF your AMR component and wait at least 5 minutes. If and when the mains electricity has been deemed to have returned to normal (such as during a brown out and the lights have dimmed but have returned to normal brightness) then...
  • Page 17 Special System Setup Menu With the PH-77, it is possible to select different assignments to the front panel and remote control buttons to best suit each and every PH-77 user. The buttons on both the remote and front panel may be assigned to either select different inputs or equalisation curves.

  • Page 18: Appendix A - Equalisation Curves

    Appendix A - Equalisation Curves List of EQ curves available with the PH-77 Stereophonic Microgroove LP Records Monophonic Microgroove LP Records Display Name Comments Display Name Comments RIAA Modern stereo LP playback curve Mono RCA 50 RCA, Urania, Lyrichord eRIAA...

  • Page 19: Appendix B - Troubleshooting

    • 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” sound • loose cable connections • re-attach the loose cables correctly...

  • Page 20: Appendix C - Specifications

    Appendix C - Specifications 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: 47KOhm + 70pF to 680pF in 32 Steps Frequency Response (-3dB): 12Hz - 95kHz...
  • Page 21 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 (shipped) Weight: PH-77: 62 lbs/28 Kg Shipped: 107 lbs/49 Kg Unless specified otherwise, the Specifications apply to an output Level of 2V signal using IHF loading and for a gain of 60dB (MC) or 36dB (MM).

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