NXV201PS Mini Mono Block Amplifier Module
NXV201PS Mini Mono Block Amplifier Module
The nxV201PS is an end of line mini mono block amplifier module. Based on the very popular nxV200, the nxv201PS is designed to meet the needs of people who want an easier solution to building their own high quality audio amplifier.
With most audio module installations, wiring the power supply components can often be a very time consuming task and it is very easy to make mistakes, resulting in either damaging the amplifier or other components. The nxV201PS takes all that pain away by providing a high quality low noise power supply built into the main amplifier PCB. It features dual ultra high speed soft recovery bridge rectifiers and 10,000uf 63v main filter capacitors for each supply rail. This provides a low ground noise high speed supply right where the amplifier needs it. As close as possible to the main output stage, eliminating long power cable runs and helping to reduce noise even further.
The PCB layout has also been optimised further along with improvements in circuit design and the incorporation of a folded cascode input stage and the development of a two stage lead and lag frequency compensation network, resulting in very low distortion power bandwidth at 300khz -3dB.
The net result is an amplifier that has wonderful 3D sound stage and sharp focal imaging, with smooth natural vocals and highs with rock solid bass response that rivals the very best amplifiers in the world. This amp module needs to be heard to be believed, it is that good!!!
To get the nxV201PS amp module up and running, all that is required is a 225VA transformer with 2 x 35vac secondary winding and a suitable heat sink such as the Conrad MF15-100 for each channel. For two or more channels, they can share a large common power transformer if so desired.
The 225VA power transformers to suit the nxV201PS are available from Holton Precision Audio or they can be purchased from Harbuch Electronics. A link for Harbuch Electronics can be found in the Links page of this web site.
The amplifier module is also supplied with Audiophile grade Nichicon KZ MUSE supply de-couplers and Nichicon MUSE ES BP capacitors for the feedback circuit as standard.
The nxV201PS measures only 125mm(4.9") x 50mm(2") x 40mm(1.5") and when mounted on a low profile heat sink allows the possibility of making a very compact mono block or dual mono(Stereo) power amplifier. The nxV201PS is also suitable for multi channel home theatre installations or even active loudspeakers.
The HPA-nxV201ps amplifier module comes with a full mounting kit which includes 4 x 10mm metal PCB stand offs, 3 x Silicon insulation washers and 7 x M3 bolts to mount the module and output stage on to the heat sink.
Specifications
100 Watts RMS continuous sine wave into 8 Ω
170 Watts RMS continuous sine wave into 4 Ω
The HPA-NXV201PS is 2 Ω Stable
Biased into Class A/B
Power Bandwidth 3.5hz to 300khz -3dB
Dampening Factor At 100hz 8Ω = 800
RCA Single ended Input impedance 33kΩ
Single Ended Input Gain = 30.6dB
SNR -105dB
THD-N = 0.005% @ 10 watts 8 Ohms
Recommended Linear Voltage Supply +-50 volts DC
PSU Power Transformer secondary winding 35vac (225VA - 300VA)
Printed Circuit Board Dimensions 66mm x 50mm
Recommended Conrad Heat Sink MF25-75
Ultra small form factor PCB
Designed as high performance Home Theatre multi-channel amplifier
Or High End 2 Channel stereo amplifier
Extra Heavy Duty Two ounce copper printed circuit board
Rugged high performance complementary Toshiba MOSFET Output Stage.
The amplifier module comes with a comprehensive installation manual.
Basic list parts needed to build a Mono Block NXV200L Amplifier.
- 1 x HPA-NXV201PS Amplifier Module
- 1 x HPA-Power One R4 AC Mains Controller
- 1 x HPA-SS/Relay Kit One
- 1 x 225VA toroidal power transformer with 2 x 35VAC secondary winding
- 1 x Conrad MF30-75 heat sink
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