Advanced system information
This information is given for reference and to guide
you to connect your FusionAmp in the correct way. Do
not modify the internal wiring of the FusionAmp.
Balanced XLR connection:
Neutrik NC3FXX-B or -BAG
Neutrik NC3FXX-B or -BAG
Pinout:
Pin 1:
Shield
Pin 2:
Positive (+ or hot)
Pin 3:
Negative (- or cold)
Input impedance:
XLR Analogue:
44K DM
2M2 CM
AES:
110
Unbalanced RCA connections:
Hypex RCA set Gold or Hypex RCA set Rhodium
Pinout:
Sleeve:
Shield (Ground)
Tip:
Positive (+ or hot)
Input impedance:
RCA Analogue:
54K
S/PDIF:
75
High level input:
Phoenix contact MSTB 2,5/ 4-ST-5,08
Maximum input level: 50Vrms, 70Vpeak
Speaker connectors:
With your FusionAmp, a standard cable set is included
to connect your speakers to the amplifiers. If you wish
to make your own cables, please use the following
connectors to connect to the amplifiers. Never directly
solder to the connectors of the modules, this will void
your warranty.
Cablepart main amplifier:
VHR-4N
Cablepart tweeter amplifier:
VHR-2N
Required contact pins:
SVH-41T-P1-1
Pin 1:
Ls2-
Cold Output
Pin 2:
Ls2+
Hot Output
Pin 3:
Ls1-
Cold Output
Pin 4:
Ls1+
Hot Output
System requirements:
To configure your FusionAmp, you need a PC with at
least the following requirements:
Windows 7, 8.1 or 10
A free USB 2.0 port
Gain jumper (advanced)
This is an advanced modification. If you are not
familiar with delicate soldering or you do not feel
confident doing this, please ask an expert for
assistance.
Two very small solder jumpers are located on the
bottom side of the upper PCBA. These can be soldered
to decrease the input sensitivity per analogue input.
Out of the box, the jumpers are not soldered.
XLR:
Ÿ
un-set:
18 dBu
6.15 Vrms
Ÿ
set:
9 dBu
2.18 Vrms
RCA:
Ÿ
un-set:
9 dBu
2.18 Vrms
Ÿ
set:
2 dBu
0.98 Vrms
17
Block diagram
The is block diagram gives a overview of the technical architecture of the FusionAmp. Depending on the model,
the available inputs vary. All models have analogue balanced and unbalanced input. The one-way models have a
additional high level input. The multi-way models feature digital IO. The IR receiver and remote are optional.
The unused DSP/DAC channels of the one- and two-way models are disabled and can not be used for other
purposes.
DSP
DAC
analogue in
through
RCA left
RCA right
ADC
buffer
buffer
USB
uC
AES in
AES out
S/PDIF in
S/PDIF out
optical in
digital
receiver
multichannel
high level in
buffer
1-way
all models
Two-Way
Three-Way
One-Way
IR receiver
(optional)
Auto switching Line input power
Low Line input voltage: 100-120Vac ±10%
High Line input voltage: 200-240Vac ±10%
Line input frequency: 47 - 63 Hz
Connector: 3-pin IEC 250Vac, 10A male.
Input power:
FA122, FA123, FA251:
350W max
FA252, FA253, FA501:
650W max
FA502, FA503:
1200W max
Output power in 4 Ohm at < 0,1% THD+N:
FA122:
2x 125Wrms
FA123:
2x 1 1x 100Wrms
FA251:
1x 250Wrms
FA252:
2x 250Wrms
FA253:
2x 2 1x 100Wrms
FA501:
1x 500Wrms
FA502:
2x 500Wrms
FA503:
2x 5 1x 100Wrms
Dimensions and weight
Refer to the installation instruction page.
Chip specification:
DSP:
ADAU1450 using external ADC and DAC
ADC:
192kHz 24-Bit Enhanced Dual Bit ADC
SRC:
AES/EBU - S/PDIF 192kHz 24-bit
DAC:
AK4454 768kHz 32-bit
System information
DSP Filters:
15 biquads per amplifier. A one-way Fusion Amp has
15 biquads, a two-way has 2x15 biquads and a three-
way has 3x15 biquads. Amplifiers configured in BTL
still have 15 biquads available.
Maximum delay:
19,2ms per amplifier.
Sample frequency:
Supported digital sampling rates
Fs 32, 44.1, 48, 88.2, 96,192 kHz
All input rates are converted to 93.75kHz
Input latency:
Analogue input approximately 350uS.
Digital input 1,8mS @ 96kHz input sample rate.
Performance:
MBW=20kHz (20Hz-20Khz), unweighted, all filters set
to unity, gain adjust 0dB, unless otherwise specified.
SNR AD/DA
-109dB
SNR DA
-111dB
THD(D+N) (at -1dBFS) AD/DA -100dB
THD(D+N) (at -1dBFS) DA
-102.5dB
Onboard amplifiers:
The FusionAmp serie is powered by our range of mains
powered Ncore modules. For more information on
their performance, you can download the relevant
datasheet from our website.
FA122:
NC122MP
FA123:
N NC100HF
FA251:
NC250MP
FA252:
NC252MP
FA253:
N NC100HF
FA501:
NC500MP
FA502:
NC502MP
FA503:
N NC100HF
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Содержание FusionAmp FA122
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