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For sale now on trademe

Bid  on  trademe  ONLY

repair ,  test ,  or  loan

Items not yet ready for sale
  SOLD 2017  archive 1 , 2
Items  SOLD  this  year
2016  1 , 2   2015  1 , 2     2014  1 , 2       13  1 , 2
2012  1 , 2   2011  1 , 2     2010  1 , 2       09  1 , 2        2008
Archives  of  past  sales

EXPLORE :  Info  on  science  images

   Information and links for science images :

    LIGO:  a strong belief:   Gravitational waves detected :

  CERN Courier Geneva, March 18 2016
  Twenty years of designing, building and testing innovative technologies, with the strong belief that the endeavour would lead to a historic breakthrough, have come to fruition in the first direct detection of gravitational waves.   Former LIGO director Barry Barish shares his feelings on this momentous occasion :
  On 11 February, the Laser Interferometer Gravitational-Wave Observatory (LIGO) and Virgo collaborations published a historic paper in which they showed a gravitational signal emitted by the merger of two black holes. The signal has been observed with 5σ significance and is the first direct observation of gravitational waves

  The discovery opens two new areas of research for physics. One is on the general-relativity theory itself. Gravitational waves are a powerful way of testing the heart of the theory by investigating the strong-field realm of gravitational physics. Even with just this first event — the merging of two black holes — we have created a true laboratory where you can study all of this, and understanding general relativity at an absolutely fundamental level is now opening up

  The second huge consequence of the discovery is that we can now look at the universe with a completely new "telescope". So far, we have used and built all kinds of telescopes: infrared, ultraviolet, radio, optical … and the idea of recent years has been to look at the same things in different bandwidths

   More info :   Gravitational waves detected by LIGO

       NRPavs   news                                        © NRPavs   2006 - 2017    All Rights reserved                          Email NRPavs

  April 2017 :
     In April we continue selected speaker projects including new restorations of Mission 70,  and B and W DM550,  620,  JPW P1 4th
     Next projects underway are Paradigm Studio 20 based 2-way speakers, and install drivers in our custom Taraire boxes, with an additional Paradigm CC-370 based centre speaker as our fourth 2017 project

     If you do not wish to buy,  but enjoy browsing the archives, images and information we offer :  you may want to donate to our continued efforts to restore HiFi :
     Below in the blue links section  :  we add an email PayPal request for an amount you might like to donate to us :
     simply click the  "Donate to NRPavs by PayPal"  link and specify an amount in the email, we will then send to your email address a PayPal money request for that amount, with our thanks


cd players :   Philips CD471   Sony CDP-C661 2nd,  CDP-CE305
tuners :   Sony ST-JX411
speakers :   JPW P1 4th    B&W DM550,  DM620
  Mission 70mkI 2nd   Wharfedale 507 2nd


speakers :   

Grilles make or recover :    NRP Studio 20 clone


amplifiers & receivers :   Mission 772  Rotel RB-1080
  Yamaha A-420 3rd   Marantz PM711AV

cd players :   Denon DCD-1560 2nd

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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

Customer  feedback :

The amp sounds great and I'm very grateful to you - music no longer grates on my ears. Once again your excellent service and communications and fast turnaround has impressed me and I really appreciate it
If you ever need a reference you can quote me on anything I've written but I suspect your customers are already pretty happy and word of mouth does all the marketing you need. Cheers for now Noel, but I suspect I will keep in touch at least with your website
  - Mark

The tape deck arrived well packaged, looks good, and sounds terrific. It′s a long time since I′ve heard a cassette sound so good, especially having sat in its case for up to 10 years!
I am very satisfied with the deck and your service with a pat on the back to your techies. Should any of my friends / colleagues be looking for good quality "golden oldies” equipment your name will be first on my list  : 

The DCD-1560 arrived today and I've got it up and running at this moment. Sounds great even when running natively and not through an external DAC. Thanks for packing it so well and shipping it promptly
I'm very pleased with both of the Denon players you've sent me. I've had the covers off both of them for a peak inside and they are both very clean and in excellent condition considering their age
Both the players have played all the different CD types I've thrown at them so far - CDRs including some up to 80 mins, CDR audio discs, standard CDs and SACD hybrids
Once again, thank you for selling quality players that you've serviced and got running well. I'll keep an eye on what you have for sale and won't hesitate to buy equipment from you again in future   - 

            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 - 2017    All Rights reserved