Bi-Amping; Bridged Mode - Arcam A49 Handbook & Instructions

NOTE: Units can be interconnected via XLR or RCA.
Both versions shown for illustration purposes only.
PHONO
GROUND PHONO RECORD PRE AUX R AUX L
ONLY (MM) CD TUNER SAT BD PVR AV OUT OUT
R
R
4–16 OHMS. CLASS 2 WIRING A49
SPEAKER 1 SPEAKER 2 SPEAKER 2
HF
MODE INPUT GAIN
Make sure INPUT
ST/BRIDGE/DM Remove XLR/RCA switch matches wired 25dB/31dB
metal strip configuration (XLR or RCA)
LF
PRE IN R PRE IN L
PRE PRE
IN OUT
L TRIGGER IN
MODE INPUT GAIN
ST/BRIDGE/DM XLR/RCA 25dB/31dB
MODE INPUT GAIN
ST/BRIDGE/DM XLR/RCA 25dB/31dB R TRIGGER OUT
R
MODE
ST/BRIDGE/DM
MODE INPUT GAIN
4–16 OHMS. CLASS 2 WIRING ST/BRIDGE/DM XLR/RCA 25dB/31dB P49
SPEAKER 1 SPEAKER 2 SPEAKER 2
MODE MODE INPUT INPUT GAIN GAIN
Make sure MODE Make sure GAIN
ST/BRIDGE/DM ST/BRIDGE/DM XLR/RCA XLR/RCA 25dB/31dB 25dB/31dB
switch is set to ST switch is set to 31dB
MODE MODE INPUT GAIN
An A49 and P49 connected to speakers using bi-amping.
ST/BRIDGE/DM ST/BRIDGE/DM XLR/RCA 25dB/31dB
MODE
ST/BRIDGE/DM

Bi-amping

PRE OUT R PRE OUT L TRIGGER OUT
Bi-amping requires the use of two amplifiers per
ACCESSORY
POWER channel. Normally, your A49 is used to drive the high-
frequency (treble) speakers, while a power-amplifier
(such as a P49/P349) is used for the lower (bass)
6V 1A 12V 1.5A
L
frequencies.
Connect your A49 to the speakers as described for
POWER INLET L single wiring, with the exception that the A49 should be
SWITCH POSITIONS
115 = 110 - 120V~
230 = 220 - 240V~
connected to the speaker terminals labelled
4–16 OHMS. CLASS 2 WIRING
SUPPLY
VOLTAGE Frequency'.
SPEAKER 1
HF Then connect the power amplifier (P49/P349, for
110-120V/220-240V ~ 50-60 Hz
350W MAX
example) to the or 'Low Frequency' terminals, as in
LF
Remove
metal strip
LF the diagram. A pair of audio interconnect cables are also
required to connect the pre-amp outputs of the A49 to
the power amp inputs of the P49/P349.
The interconnects can be either XLR (recommended for
longer cable runs) or phono (RCA). Set the
on the P49/P349 to the appropriate setting for the cables
L
used.
WARNING: the strip of metal on the speakers connecting
POWER INLET
SWITCH POSITIONS the low frequency (LF) terminals to the high frequency (HF)
115 = 110 - 120V~
230 = 220 - 240V~ terminals MUST BE REMOVED. Failure to do so will result
4–16 OHMS. CLASS 2 WIRING
SUPPLY in damage to both amplifiers, which will not normally be
SPEAKER 1 VOLTAGE
covered under warranty.
110-120V/220-240V ~ 50-60 Hz
350W MAX
To allow the power state of the P49/P349 to be
controlled by the A49 please connect the
to the TRIGGER IN using a mono 3.5mm jack lead – not
supplied.
E-16
R
MODE INPUT GAIN
ST/BRIDGE/DM XLR/RCA 25dB/31dB
HF or 'High
HF
MODE INPUT GAIN
Make sure GAIN
LF
ST/BRIDGE/DM XLR/RCA 25dB/31dB switch is set to 31dB
on both amps
MODE
ST/BRIDGE/DM
INPUT switch PRE PRE PRE IN R
IN OUT
L
MODE INPUT GAIN
ST/BRIDGE/DM XLR/RCA 25dB/31dB R
R
4–16 OHMS. CLASS 2 WIRING
SPEAKER 1 MODE SPEAKER 2 INPUT GAIN
TRIGGER OUT
ST/BRIDGE/DM XLR/RCA 25dB/31dB
MODE Make sure MODE INPUT GAIN
ST/BRIDGE/DM XLR/RCA 25dB/31dB
switch is set to BRIDGE
on both amps
MODE
ST/BRIDGE/DM
Bridged mode - P49 only
In bridged mode only the and outputs of
L+ R+ SPEAKER Similarly, connect the red positive speaker terminal
are active. labelled to the negative
1 SPEAKER 1 R+ LF
right speaker.
WARNING: Do not make any connections to the other speaker
Repeat the above procedure to connect the second P49
terminals, doing so will severely damage your amplifier.
amplifier to the left speaker.
If each speaker has more than one pair of connecting
WARNING: Make absolutely sure you have used the correct
terminals, use the terminals labelled LF or 'Low
SPEAKER 1L+ and R+ terminals.
Frequency'.
To drive your right speaker, select one of the P49 In this setup only one interconnect is required to each
amplifiers and connect the red positive speaker terminal power amplifer and it should be connected to the
labelled to the positive terminal of your input.
SPEAKER 1 L+ LF IN L
right speaker.
NOTE: Units can be interconnected via XLR or RCA.
Both versions shown for illustration purposes only.
PHONO
GROUND PHONO RECORD PRE AUX R AUX L PRE OUT R PRE OUT L TRIGGER OUT
ONLY (MM) CD TUNER SAT BD PVR AV OUT OUT
C49
PRE IN L PRE
IN
L
TRIGGER IN
MODE INPUT GAIN
TRIGGER OUT
ST/BRIDGE/DM XLR/RCA 25dB/31dB R
L R
POWER INLET
SWITCH POSITIONS
115 = 110 - 120V~
230 = 220 - 240V~
P49 4–16 OHMS. CLASS 2 WIRING 4–16 OHMS. CLASS 2 WIRING
SUPPLY
VOLTAGE
SPEAKER 2 SPEAKER 1 SPEAKER 1 SPEAKER 2
110-120V/220-240V ~ 50-60 Hz
350W MAX
A C49 pre-amp and two P49 power amps in bridged configuration.
MODE INPUT
ST/BRIDGE/DM XLR/RCA
MODE INPUT
ST/BRIDGE/DM XLR/RCA
E-17
The interconnects can be either XLR (recommended for
terminal of your longer cable runs) or phono (RCA). Set the switch
INPUT
on the P49 to the appropriate setting for the cables used.
WARNING: If your speakers support bi-wiring, there will be a
strip of conductive metal connecting the low-frequency (LF)
terminals to the high-frequency (HF) terminals; this MUST NOT
BE REMOVED in a bridged mode system.
To allow the power state of the P49 to be controlled by
the A49 please connect the to the
TRIGGER OUT TRIGGER
PRE
IN using a mono 3.5mm jack lead – not supplied.
ACCESSORY
POWER
L
6V 1A 12V 1.5A
HF
POWER INLET SWITCH POSITIONS
115 = 110 - 120V~
230 = 220 - 240V~
LF
SUPPLY
VOLTAGE
110-120V/220-240V ~ 50-60 Hz
350W MAX
PRE PRE IN R PRE IN L
OUT
TRIGGER IN
TRIGGER OUT
L
POWER INLET
P49 4–16 OHMS. CLASS 2 WIRING
SPEAKER 2 SPEAKER 1
110-120V/220-240V ~ 50-60 Hz
350W MAX
Make sure INPUT
GAIN
switch matches wired
25dB/31dB
configuration (XLR or RCA)
on both amps
GAIN
25dB/31dB