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B.M.C. Audio M2

Quick Start

Attention! The M2 has two different modes of operation, depending on whether an optical
DIGM signal is present or not: It features adjustable gain in DIGM mode, or maximum
gain, which is typical for traditional power amplifiers! The latter gain is usually too much if
the signal comes from a fixed level output source. The XLR-CI input is only activated if an
optical DIGM signal is present. This is the safest mode of DIGM operation (See pages 6 – 8).
POWER
Input Indicator
Power (Turn)
DIGM DIsplay
SPEAKER
INPUT
INPUT
XLR-C1
XLR
AC POWER
RCA
SERIAL NO.:
Traditional Power Amplifier Mode
Speaker Binding Post
XLR Input
RCA Input
AC Power Input
Without active optical DIGM signal the M2
is a traditional power amplifier with typical
power amplifier gain, which equals the
M2's maximal amplification (DIGM 66).
Find detailed descriptions and illustrations within this manual.
1302-EN
INPUT
Input (Turn)
Power Meter
MONO POWER AMPLIFIER
OPTO CONTROL
LOOP OUTPUT
SPEAKER BI-WIRE
LOOP
IN
OUT
OUTPUT
XLR
XLR-CI
PHASE
50/60Hz
WEEE - Reg. - Nr.:
DE18339144
B.M.C. AUDIO
MADE BY B.M.C. AUDIO GERMANY
DIGM Mode
Speaker Binding Post
XLR-CI Input
Optical DIGM Input
AC Power Input
To work in DIGM Mode the M2 needs an
optical waveguide connection to a B.M.C.
Audio unit with DIGM control, such as the
DAC1, and this unit must be switched on!
M2
Owner's Manual
POWER
INPUT

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Table of Contents
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Summary of Contents for B.M.C. M2

  • Page 1: Quick Start

    B.M.C. Audio M2 Quick Start Attention! The M2 has two different modes of operation, depending on whether an optical DIGM signal is present or not: It features adjustable gain in DIGM mode, or maximum gain, which is typical for traditional power amplifiers! The latter gain is usually too much if the signal comes from a fixed level output source.
  • Page 2: Table Of Contents

    System Remote Control Volume, Power and dB Technical Specifications, Content of Packing Content of Packing Quick Start Guide Ÿ Amplifier M2 Ÿ Power Cable Ÿ Optical DIGM Waveguide Ÿ Owner's Manual Please keep the packing for eventual later transportation.
  • Page 3: Introduction

    DIGM -10dB = one tenth of the power control signal will be checked. If a valid optical signal is present, the M2 will switch to DIGM mode, meaning the gain can be adjusted externally (f.i. by the DAC1).
  • Page 4: Front Panel Functions

    DIGM). Audio unit with DIGM Gain Control, such as the DAC1. Attention: When this display goes out, the M2 is in Power Amplifier Mode and gain is set to maximum, that means DIGM 66! Maximum gain is intended for classical Pre-Amplifier / Power-Amplifier use.
  • Page 5: Rear Panel Functions

    Rear Panel Functions CE Declaration of Conformity B.M.C. AUDIO GmbH declares that this product meets the requirements of the Low Voltage Directive 73/23/EEC and Electromagnetic Compatibility 89/336/EEC as amended by 92/31/EEC and 93/68/EEC. The conformity of this product with the regulations of Directive number 73/23/EEC (LVD) has been...
  • Page 6: Traditional Power Amplifier Mode

    18. Do not place any sources of open fire, such as burning candles, close or on top of the unit. 19. This unit was designed to work in temperatures from 15°C to 30°C, and a maximum humidity of 80%. 20. The M2 is heavy, it weighs 40 kg or about 88 lb. Please handle with care!
  • Page 7: Digm Mode

    (servicing) instructions in this manual. • The M2 shows the selected gain in the DIGM display – 66 steps from 00 to 66, each step equals 1dB. • The M2 switches off in- and outputs, if the optical DIGM signal is lost during CAUTION: DIGM mode.
  • Page 8: Possible Maloperations

    Whenever you suspect a malfunction of the unit, please first check the Therfore the use of the M2 in DIGM mode with XLR-CI input is safe and easy, OR following list of possible causes before contacting your local HiFi dealer or the the M2 is used in a traditional Pre / Power-Amplifier constellation with XLR- or B.M.C.

Table of Contents