Testimonials

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A308 amplifier

Sep 24, 2018 by Anonymous
Item Repaired/upgraded: A308 amplifier repair and upgrade 

If you care to read any of the glowing testamonials please note these people are not exaggerating. I had my A308 amp upgraded in February and the results are spectacular, I'm not going to go into any detail, other testimonials will explain improvements more eloquently than I. I plan to have my A308 CD player upgraded by John soon


Meridian 557

Sep 24, 2018 by Anonymous
Item Repaired/upgraded: Meridian 557 mono 

Bought a Meridian 557 mono on ebay, with a known fault was directed to contact John regarding a fix, having discussed the problem with John he advised a complete rebuild of the power amp due to both its age and the way the amps were built (to price, not longevity). When completed powered up and it sings beautifully. Great service and certainly great guy to have available.


kW550 Upgrade

Aug 11, 2018 by Anonymous
Item Repaired/upgraded: Musical Fidelity kW550 Amp 

I originally contacted John to repair the broken LEDs on the feet of my kW550 Amp, however he also sent me a comprehensive reply regarding the upgrade options. After reading the various testimonials I decided some 6 months later to take the plunge and go for the full upgrade.

I have to admit it felt like a gamble as individual opinions differ and when you can’t audition the finished product ahead of time you just never know. I decided to take my amp directly to John rather than putting it in the post and meeting John definitely eased my concerns. After a few minutes conversation it was obvious he knows his stuff so I returned 2 weeks later with great anticipation to collect.

John was quite insistant that it would take some time for the amp to produce its best and that it needed a long running in period. However, once I got it home the transformation was immediately obvious when playing the first track, and some 6 months later it has got better and better.

For me, the most impressive improvement is how natural my system now sounds. It’s just so much more life like and musical than before, even with CDs I had previously written off as poor quality. The sound staging and depth of presentation is immense that makes live recordings so realistic. The bass is much deeper and defined, this aspect has definitely matured as the amp has accumulated more hours. The higher frequencies are sweeter, cleaner and overall the sound is so much more detailed than before but like I say not at the detriment of being musical. It seems to excel with all types of music, solo vocals are 3 dimensional, the power and control of the amp (which is the reason I originally purchased a kW550) is so much stronger than before.

The upgrade is truely exceptional and a significant step change over anything I have done previously. It has rekindled my enthusiasm to spend more time listening and more importantly enjoying the music and not just listening to the hifi! If you have a kW550 and are thinking about upgrading, don’t hesitate.....you will honestly not be disappointed.

My system: Muscial Fidelity kW550, Wilson Bensch Discovery (speakers), Cairn Fog 3 (CD), Inspire Quest (turntable).


Rotel

Aug 04, 2018 by Anonymous
Item Repaired/upgraded: Repaired/upgrade 

Buying our Roetl Rx 1603 was such a great pleasure in the first stage of our journey wanting a vintage piece to satisfy our listening to music.....we wanted to bring this unique piece of equipment back to life. After much research we decided Mr John Sampson was the man to use his expertise on such a delicate piece.... From customer service to taking this on dedication and experience you could not put a price on it! All we can say is we also had the dedication to travel many miles to get the result we got. Excellent and more can not thank him enough! #musicman thanks Mark & Alison


Repair and Upgrade

Jun 15, 2018 by Anonymous
Item Repaired/upgraded: Meridian 596 

Excellent service and good communication. Meridian have declared this
product obsolete so no longer support it. I cannot recommend JS Audio Repairs enough. Thank you.


JS Audio Repairs , USA 5.0 5.0 113 113 If you care to read any of the glowing testamonials please note these people are not exaggerating. I had my A308 amp upgraded in February and the results are spectacular, I'm not g
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