Abbingdon-music-research AM-77 Reference Class Manual do Utilizador

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Página 1 - Owner’s Manual

AM-77 Reference ClassDual-Mono Pre-Main AmplifierOwner’s ManualVer 3.6.3

Página 2

101.2 SetupPre-Main Stereo Amplifier ConnectionThe following diagrams illustrate the standard connection of the AM-77 in pre-main stereo amplifier mod

Página 3 - WARNINGS

11Figure 1.2 System connection using Speakon connector equipped speaker cablesAMR recommendsthe sonicallysuperior Speakonconnectorsi. Connect the resp

Página 4

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Página 5 - Contents

132.1 AM-77 Front PanelSection 2 - Component OverviewF1. STANDBY: to place the AM-77 in active or standby mode.F2. SOURCE: to select between the 5 dif

Página 6

142.2 AM-77 Rear PanelR1. SPADE/BANANA outputs: for connection of standard termination speaker cables.R2. SPEAKON outputs: for connection of Speakon t

Página 7

15R7. INPUTS 2-5: RCA inputs, for signal input of source equipment.R8. SYNC connectors: for connection of more than one AM-77.R9. RS232 option connect

Página 8

162.3 RC-77 Remote ControlRC1. MENU: to enter Advanced Features mode*.RC2. STANDBY: to place the AM-77 in active/standby mode.RC3. SOURCE: to select b

Página 9 - Section 1 - Setup

17Once powered OFF:always wait 30seconds beforeswitching on againSection 3 - Operation3.1 Power On/OffPress and release the ‘POWER’ rocker switch (R

Página 10 - 1.2 Setup

183.4. Speakon OutputsAt the rear of the AM-77 are Speakon female connectors (R2) to allow speaker cables terminated with Speakonmale connectors to be

Página 11 - AMR recommends

193.9 RS232 Option ConnectorAt the rear of the AM-77, the RS232 connector (R9) allows the AM-77 to be upgraded. Please refer to Section 6- Additional

Página 12

2FCC Declaration of Conformity - United States onlyThis device complies with Part 15 of the FCC rules. Operation is sub-ject to the following two con

Página 13 - 2.1 AM-77 Front Panel

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Página 14 - 2.2 AM-77 Rear Panel

214.1 Labelling of Inputs and Setting Level OffsetWith the AM-77, in one process, it is possible to label each of the 5 inputs for a corresponding sou

Página 15

22List of available inputs:1. Input X (default)2. Aux I3. Aux II4. Aux III5. CD Processor6. D/A Processor7. DVD Player8. DVD Recorder9. HD Recorder10.

Página 16 - 2.3 RC-77 Remote Control

234.2 Labelling Input X• Press the Menu key on the RC-77• Use the Volume+/Volume- to scroll through the labels (see previous page for the full list of

Página 17 - Section 3 - Operation

244.4 Setting Fixed Input LevelWhen using the AM-77 as part of a home theatre system with an external processor controlling the overall systemvolume,

Página 18

254.5 OptiProtect® Speaker Overload ProtectionWithin OptiProtect® the AM-77 has an in-built speaker protection circuit.This is mainly a final safeguar

Página 19

264.6 OptiMains® Protection for Excessive Under/Over-VoltagesThe AM-77 is fitted with the OptiMains® system to condition and adjust the incoming main

Página 20

275.1 OptiOperation® Different System ConfigurationsIn keeping with AMR’s philosophy that ‘no one sound fits all’ the AM-77 is adaptable to suit virtu

Página 21 - Section 4 - Advanced Features

28In short, the AM-77’s flexibility is limited only to that of the imagination. For example, one may employ:- 3xAM-77s synchronised along with a high

Página 22 - List of available inputs:

29Mode I. Pre-Main Stereo• Standard system with AM-77 as the onlyamplifier.LPreAmp(L)1st AM-77PowerAmp(R)PowerAmp(L)Left SpeakerRight SpeakerPreAmp(R)

Página 23 - 4.3 Setting Level Offset

3The exclamation point within an equilateral triangle is intended to alertthe user to the presence of important operating and maintenance (serv-icing)

Página 24 - HTD mode: always

30• Need 2 or more AM-77s.• Drive low impedance speakers that only haveone set of terminal connections.• ~600W/2Ohm RMS and ~300W/1Ohm RMSwithout curr

Página 25 - E n g a g e d !

31Mode III: Pre-Main Bi-Amplifier• Need 2 or more AM-77s.• Drive speakers that have more than one setof terminal connections with improved per-formanc

Página 26 - O p e r a t i n g R a n g e !

32Mode IV. Power Stereo• Same as Mode I, except the Pre-Amplifier section has been bypassed.• A separate pre-amplifier is needed to controlthe volume

Página 27

33Mode V. Power Monoblock• Same as Mode II, except the Pre-Amplifiersection has been bypassed.• A separate pre-amplifier is needed to controlthe volu

Página 28 - Before an alternative

34• Same as Mode III, except the Pre-Amplifiersection has been bypassed.• A separate pre-amplifier is needed to controlthe volume.Mode VI. Power Bi-A

Página 29 - Mode I. Pre-Main Stereo

355.3 Switching and Connection Diagrams for Different ModesThe following is a description of the switch settings and connections required to engage th

Página 30 - Mode II: Pre-Main Monoblock

36Mode II: Pre-Main Monoblock amplifiers

Página 31 - 2nd AM-77

37Note: This function requires at least 2 x AM-77 synchronised Pre-Main amplifiers.i. Power OFF via the ‘POWER’ (R12) mains switch at the rear of bot

Página 32 - Mode IV. Power Stereo

38Mode III: Pre-Main Bi-amplifier (horizontal bi-amping)

Página 33 - Mode V. Power Monoblock

39Note: This function requires at least 2 x AM-77 synchronised Pre-Main amplifiers.i. Power OFF via the ‘POWER’ (R12) mains switch at the rear of bot

Página 34 - Mode VI. Power Bi-Amplifier

4PrecautionsThis equipment has been tested and found to comply with the limitsset out in the EMC Directive using a connection cable shorter than 3

Página 35 - The default

40Mode IV: Power Stereo amplifier

Página 36

41i. Power OFF via the ‘POWER’ (R12) switch at the rear of the AM-77.ii. Connect the desired separate pre-amplifier to the AM-77 via the Balanced or

Página 37

42Mode V: Power Monoblock amplifier

Página 38

43Note: This function requires at least 2 x AM-77 synchronised Pre-Main amplifiers.i. Power OFF via the ‘POWER’ (R12) switch at the rear of both AM-7

Página 39

44Mode VI: Power Bi-amplifier

Página 40

45Note: This function requires at least 2 x AM-77 synchronised Pre-Main amplifiers.i. Power OFF via the ‘POWER’ (R12) switch at the rear of both AM-7

Página 41

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Página 42

476.1 Input for iPod/other portable music playersSection 6 - Additional ConnectivityOn the front right-side panel, there is a 3.5mm jack (F4). This is

Página 43

486.2 HiFi/Pro Switches for Balanced XLR inputsFor the majority of sources, the HiFi/Pro switch (R3) is best left in the ‘HiFi’ position. However, if

Página 44 - Mode VI: Power Bi-amplifier

496.3 RS232 Options ConnectorThe RS232 ‘Options’ connector port (R9) is for upgrading the functionality of the AM-77 in future. Contact yourlocal AMR

Página 45

5ContentsWARNINGS 3Section 1 - Setup1.1 Unpacking 91.2 Setup 10Section 2 - Component Overview2.1 AM-77 Front Panel 132.2 AM-77 Rear Panel 142.3 RC-77

Página 46

50Appendix A - TroubleshootingSymptom Possible cause Solution With power ON • poor/no power plug connection • insert the power plug firmly into the

Página 47 - RCA of Input 4 is

63.8 Hifi/Pro Switch 183.9 RS232 Option Connector 193.10 Menu (RC-77 only) 193.11 OK (RC-77 only) 193.12 Mute (RC-77 only) 193.13 Brightness (RC-77 on

Página 48 - ‘Pro’ switch is for the

7Mode V: Power Monoblock 33Mode VI: Power Bi-Amplifer 345.3 Switching and Connection Diagrams for Different Modes 35Mode I: Pre-Main Stereo 35Mode II:

Página 49 - 6.3 RS232 Options Connector

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Página 50 - Appendix A - Troubleshooting

9Section 1 - SetupThank you for purchasing this AMR Reference Class component.We hope you derive as much pleasure from using this component as we have

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