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link to more info on science photos

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For sale now on trademe

Bid  on  trademe  ONLY

repair ,  test ,  or  loan

Items not yet ready for sale
  SOLD 2024  archive 1 , 2
Items  SOLD  this  year
2023  1 , 2  2022  1 , 2  2021  1 , 2  2020  1 , 2
2019  1 , 2  2018  1 , 2  2017  1 , 2  2016  1 , 2
2015  1 , 2  2014  1 , 2  2013  1 , 2  2012  1 , 2
2011  1 , 2  2010  1 , 2  2009  1 , 2   2008
Archives  of  past  sales

EXPLORE :  Info  on  science  images

   Information and links for science images :

    Gravity Waves detected :

  LIGO Caltech Aug 17 2017
   For the first time, scientists have directly detected gravitational waves — ripples in space-time — in addition to light from the spectacular collision of two neutron stars

   This marks the first time that a cosmic event has been viewed in both gravitational waves and light

   The discovery was made using the U.S.-based Laser Interferometer Gravitational-Wave Observatory (LIGO); the Europe-based Virgo detector; and some 70 ground- and space-based observatories

   Neutron stars are the smallest, densest stars known to exist and are formed when massive stars explode in supernovas. As these neutron stars spiraled together, they emitted gravitational waves that were detectable for about 100 seconds; when they collided, a flash of light in the form of gamma rays was emitted and seen on Earth about two seconds after the gravitational waves

   In the days and weeks following the smashup, other forms of light, or electromagnetic radiation — including X-ray, ultraviolet, optical, infrared, and radio waves :  were detected

   More info :   LIGO and Virgo make first detection of gravitational waves produced by colliding neutron stars

       NRPavs   news                                        © NRPavs   2006 - 2024    All Rights reserved                          Email NRPavs

  February 2024 :
     In February we continue with electronics & speakers restoration : along with testing new audio stock


testing

amplifiers & receivers :   Integra DTR-30.6 1st,   NAD 7120 1st,  7240PE 2nd
  Denon DRA-565RD 2nd
  Mega M105c 1st   Marantz PM-25 1st   Yamaha AX-380 1st,  RX-797 1st,  RX-V640 1st   Sony STR-DE475 1st

cd players :   Proton AC-120 1st   Denon DCD-1015 2nd,  6th
  Sony CDP-CX571 4th   Yamaha CDC-645 5th,  CDC-697 8th,  9th

turntables :   Akai AP-306C 1st   Denon DP-23F 6th   Thorens TD 318 2nd
tuners :   Harman Kardon TU9200 1st
Blu-ray, mini systems :  Samsung BD-J5500 1st  
speakers :   Mordaunt-Short Avant 902i 3rd,  MS20i 4th,  MS25i 1st,  MS40i 2nd
  Paradigm Monitor 7 v2 2nd,  Monitor 7 Center 1,  Studio 60 v5 1st,  2nd,  Studio 40 v2 1st
  Celestion 15    JPW ML 510 1st   AR48s 3rd   KEF CS1A kit 1st   JPW P1 6th   Proton SP-433

subwoofers :   Paradidm DSP-3200,   Klipsch Synergy Sub-10 2nd

restore

Grilles make or recover :  


repairs

cd players :    Denon DCD-1015 6th,  DCD-1420 4th, 5th,  Sony CDP-CX220 2nd
  NAD 502 2nd,  3rd,  512 1st

speakers :  Celestion Ditton 44 2nd, 3rd,  5 2nd
amplifiers & receivers :  Yamaha RX-700 1st,   MEGA M205 3rd   Denon PMA-680R 3rd,  PMA-920 3rd
turntables :   Pioneer PL-120 1st   Sanyo TP X3 1st   Pro-Ject 6 PerspeX SB 1st,   Thorens TD160 BC mkII 1st
subwoofers :  Paradigm PS-1200 1st   Wharfedale SW150 1st

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Links


Link to Oldies but Goodies speakers etc

Restored speakers from 2011 :  click the photo to link to the Oldies but Goodies selling page . . .

To view our current items for sale :

Click the  sitemap   or   Oldies  but  Goodies  links


 

            NRPavs   services
The main purpose of NRPavs is to provide audio video advice, help with purchasing equipment, and where appropriate provide custom solutions

We do offer in Oldies but Goodies, secondhand av equipment, but we can also provide what you are looking for from new products or quality traded goods purchased especially to match your needs


nrpavs.co.nz


    Contacts :   Noel R. Parkin
emails   sales@nrpavs.co.nz
noelparkin@nrpavs.co.nz
noelparkin63@gmail.com
phone  no landline
mobile     021 111 1030
  Skype              grub49

address   24 Bonselaar Drive 
Kamo Whangarei  0112  New Zealand


  -:®:-  quality   vintage  audio  equipment   and   modern  solutions    -:®:-  restored  speakers  -:®:-   good  advice  -:®:-  Oldies  but  Goodies  -:®:-   Science interest links   -:®:-  

© NRPavs   2006 - 2024    All Rights reserved