spassk522 ha scritto:La Yamaha è una MC1 che, per qualità del suono mi ha veramente sorpreso.
Non conosco la MC 200, ma non faccio fatica ad immaginare che vada bene, ortofon cattive non ne ho ancora sentite.
Type MC cartridge
Armature Air core coil plate laminated aluminum thin film (layer 2)
Magnetic circuit Yokuresu, dual magnetic circuit differential
Conversion characteristic Differential manner
Vibration system One-point suspension
Stylus Diamond 0.1mm special elliptical stylus angle
Cantilever High-purity beryllium, tapered pipe
Equivalent mass vibration system 0.25mg
Braking system Shear bond braking system I seat
Housing case Rigid die-cast aluminum structure
Output voltage 0.2mV (1kHz, 5cm/sec, Peak45 °)
Channel balance More than 28dB (1kHz)
more than 25dB (10kHz)
over 20dB (20kHz)
Electrical impedance (Within 20% pure resistance, balance) 30Ω ± 20%
Playback frequency range 10Hz ~ 20kHz (capacity: 60kHz)
Needle pressure 1.8 ± 0.2g
Static compliance 38 × 10 -6 cm / dyne (twenty-five ° C.)
Dynamic compliance Eleven × 10 -6 cm / dyne (twenty-five ° C.)
Vertical tracking angle 20 ° ± 2 °
Needle tip Special elliptical diamond stylus 8 × 40 micron
Weight MC-1X: 18.5 ± 0.1 g
MC-1S: 7.8 ± 0.1 g
Needle exchange Body replacement (\ 31,500): MC-1X
MC-1S: body replacement (\ 24,500)
interessante, anche se presumo che la compliace sia presa a 100 hz come per gran parte delle testine giapponesi
The MC-1 has some desirable features. It's an air core coil, meaning it has no magnet or permeable material in the coil. This is like a air core speaker inductor, as opposed to an iron core. Also, beryllium hasn't been used for a long time in cantilevers, due to toxicity. But this isn't just a flat piece of beryllium, it's a tapered pipe. I'm assuming pipe means tube, which has superior rigidity and is light weight. Sometimes translations are inexact. Finally, it seems like the cart was mfg to have a user replaceable body. When the tip wore out, the whole motor assembly could be removed from the carrier, and replaced with new. This is the same as the Pioneer 401-MC,
veramente interessante!