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SoundImpress HY502 Stereo Amplifier
500WPC | Ncore® | Powered by Hypex

The HY502-2CH is a compact, high performance, 
two  channel  and  no-nonsense  class-D  power 
amplifier. It incorporates the proven and renown 
Hypex Ncore® technology for nothing less than 
impressive performance!

The performance stands out with authoritative 
and  tightly  controlled  low  registers,  high 
dynamics  and  crystal  clear  mid-  and  high-
frequencies. The super-low noise level generates 
a  completely  black  background  to  reveal  the 
tiniest of details in every recording. 

All SoundImpress amplifiers are hand assembled 
in the Netherlands. The custom milled aluminum 
enclosure houses the Hypex NC502MP amplifier 
module,  the  best  thermal  material  for  audio 
devices.  The  in-  and  output  connections  are 
provided  through  high-quality  binding  posts 
from  CMC  and  XLR-chassis  from  Neutrik  and 
wiring from Mogami and Belden. It can operate 
from  both  110  and  230  VAC  mains  voltage 
due  to  it's  universal  mains  input  compatibility 
featuring  an  automatic  input  voltage  doubler. 

 

SoundImpress 

HY502-2CH 

I N T R O D U C T I O N

Small and powerfull

This amplifier can deliver all its power from as 
low  as  2  ohm  impedance  combined  with  low 
idle  loss,  very  low  distortion  and  noise  levels. 
Chief distinguishing features are flat frequency 
response irrespective of load impedance, nearly 
frequency  independent  distortion  behaviour 
and  very  low  radiated  and  conducted  EMI. 
Tthis  results  in  performances  such  as  the 
max  output  power  of  500  Wrms  at  4  ohm  per 
channel,  a  Signal-to-Noise  Ratio  (SNR)  of  124 
dB and astonishing distorting level of 0.0018%. 

 

 

An amplifier is only as good as the power supply 
it  contains.  In  this  SoundImpress  amplifier, 
the  power  supply  and  amplifier  are  located  on 
one  board.  The  switched-mode  power  supply 
(SMPS) providing the power for the amplifier is a 
compact, high power, highly efficient, regulated 
half  bridge  converter  with  synchronous 
rectification  on  the  main  output  rails.  These 
properties  make  this  technology  ideal  for 
powering Class D audio amplifiers.

H Y 5 0 2 - 2 C H   |   P a g e   4

Summary of Contents for HY502-2CH

Page 1: ...SoundImpress because the best is just about good enough HY502 2CH STEREO USER MANUAL English ...

Page 2: ... amplifier intended for a wide range of audio applications ranging from public address systems to ultrahigh fidelity replay systems for studio and home use The SoundImpress brand stands for outstanding quality timeless designs and Dutch craftsmanship This amplifier is built to last as it is extensively tested and manually assembled to ensure every last detail is checked SoundImpress HY502 2CH Ster...

Page 3: ...04 05 06 07 10 11 INTRODUCTION SAFETY INSTRUCTIONS WARRANTY TERMS DISPLAY OF CONTROL FUNCTIONS GET STARTED SPECIFICATIONS TABLE OF CONTENTS ...

Page 4: ...oltage due to it s universal mains input compatibility featuring an automatic input voltage doubler SoundImpress HY502 2CH I N T R O D U C T I O N Small and powerfull This amplifier can deliver all its power from as low as 2 ohm impedance combined with low idle loss very low distortion and noise levels Chief distinguishing features are flat frequency response irrespective of load impedance nearly ...

Page 5: ...onnected only to the power source indicated on the label If you are not sure which power source is used in your home contact the dealer or the local power company The best way to disconnect the amplifier from power supply is to remove the power plug from the outlet Unplug the power cord from the outlet if the unit will not be used for several months or longer OVERLOADING Ensure that outlets extens...

Page 6: ... Replacement products claimed under warranty are not entitled to renewed 5 year warranty coverage If you discover a defect notify SoundImports during the warranty period Claims under warranty must be supported by reasonable evidence that the date of the claim is within the warranty period To validate your warranty please keep your original purchase receipt together with these warranty conditions f...

Page 7: ...Left channel output 5 Left balanced input 6 Left channel output 7 On off switch 8 Fuse tray 9 Power input Attention Risk of electric shock The fuse is supplied as standard When replacing it only use the original value DISPLAY OF CONTROL FUNCTIONS H Y 5 0 2 2 C H P a g e 7 ...

Page 8: ...ront panel with engraved logo 2 Dimmable LED indicator 3 Bottom view 4 Switch for LED indicator See the next page for an explanation of the LED switch DISPLAY OF CONTROL FUNCTIONS H Y 5 0 2 2 C H P a g e 8 ...

Page 9: ...DISPLAY OF CONTROL FUNCTIONS 0 LED OFF 1 Normal brightness 2 Max brightness H Y 5 0 2 2 C H P a g e 9 ...

Page 10: ...s which are identical in function parallel connection Connect the Right speaker terminals marked R and R to the corresponding and terminals of your designated right speaker Repeat the same for Left speaker terminals and corresponding left speaker This amplifier will work with both balanced and unbalanced inputs For single ended sources you can use a RCA to XLR cable or converter plug The cable or ...

Page 11: ...ut Efficiency 92 Frequency response 10 48 000 Hz Circuit Topology Ncore Amplifier classification Class D Speaker output channels 2 Input connection type XLR Speaker output connection type Banana Power requirements 110 230 VAC symmetric supply Power inlet connector IEC C14 Dimensions D x W x H 326mm x 200mm x 78mm size incl feet excl connectors Case material Aluminum H Y 5 0 2 2 C H P a g e 1 1 ...

Page 12: ...is manual in a different language Or prefer a digitial version Scan the QR code SoundImports Peizerweg 97A 9727AJ Groningen Nederland Tel 3185 0711860 E mail info soundimports nl Btw nummer NL861325254B01 KvK nummer 78268753 ...

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