Yamaha Ns 1000 Crossover
Part list for one speaker pair.
Yamaha ns 1000 crossover. 4 x mkp13 47u 400 capacitor polypropylene 47uf 400vdc. The crossover left a lot to desire in tuning and should hv been re tuned to make dips and bumps levelled more for a flatter response. In fact in a famous test conducted by hifi news back in the day of all the loudspeakers tested the yamaha ns 1000m exhibited the lowest overall measured distortion. A clear acrylic sleeve fits over the crossover etched with the yamaha logo.
Ns 1000m had thinner panels than the home wood veneer version ns 1000 2. The crossover is divided up in to three separate legs for bass mid and treble and can easily be separated if required. They received very good reviews in british hifi press in the late 70s. Crossovers sit directly on the rear terminal block.
With the ns 1000m yamaha set out to make a fully rounded high end loudspeaker one that delivered a wide bandwidth handled a massive amount of power by the standards of the day had very low distortion and a lightning fast transient response. The use of a 12 bass driver in a small closed box the use of the beryllium domes the unusual dispersion all through the midrange and up to its upper limit and it s ability to reveal detail and transparency like. Love it or loathe it following its launch in 1974 it became recognised as a landmark product. The existing xover did only a fair job in aligning outputs from the 3 speaker units used 4.
Yamaha engineers understood the importance of the ns1000m crossover network and they designed it with few compromises. There were two versions of these speakers. The yamaha ns 1000 were designed and released to the market in 1974. Ns 1000m is a special speaker by today s standard.
The crossover is a fairly simple 2nd order electrically on all slopes mostly providing close to 4th order roll offs. I ve had my yamaha ns1000 ebony monitors for a few months and though i thoroughly enjoy their sound signature i do tend to prefer the high mid levels dialled back a bit. Yamaha s ns 1000 1000m was precisely one of these. Bass levels are very satisfying for my listening habits 95 of the time i occasionally dial up the bass a bit for extra oomph depend on my mood.
Component layout particularly of inductors has been carefully considered.