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link to more info on science photos

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Oldies  but  Goodies

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For sale now on trademe

Bid  on  trademe  ONLY

repair ,  test ,  or  loan

Items not yet ready for sale
  SOLD 2021  archive 1 , 2
Items  SOLD  this  year
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 - 2021    All Rights reserved                          Email NRPavs

  December 2021 :
     In December we plan to close the NRPavs website, prior to retirement after March 2022 : the website may be redesigned and hosted in the future


amplifiers & receivers :   Yamaha RX-750 2nd
cd players :   Proton AC-120 1st   Denon DCD-1015 2nd
  Yamaha CDC-565 4th,  CDC-645 3rd,  CDC-655 3rd
  CDC-697 5th,  CDC-715 2nd
  Sony DAV-S800 1st,  2nd,  CDP-CE215 5th   Rotel RCD-965BX 3rd

turntables :   Sansui SR-2020 1st   Denon DP-23F 4th,  5th   Pioneer PL-155E 1st
speakers :   Wharfedale Delta 7 1st,  Diamond 9.1 3rd,  9.5 1st,  2nd
  Paradigm Atom v4 1st,  Studio 60 v3,  Studio 60 v5
  Proton SP-433   Mission 707 1st


Grilles make or recover :   Mission 70mkI 2nd    Celestion Ditton 44 2nd


cd players :   Denon DCD-1420 4th   NAD 502 2nd,  3rd   Yamaha CDC-645 4th,  CDC-655 3rd
speakers :  Grundig Fine Arts 1st,   Celestion 15,  Ditton 44 2nd   Mordaunt-Short MS25i 1st
amplifiers & receivers :  Yamaha RX-596 1st,  2nd   Mega M205 3rd
turntables :   Sanyo TP X3 1st

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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

    Contacts :   Noel R. Parkin

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 - 2021    All Rights reserved