
The chassis stacks three layers: acrylic, aluminium, acrylic. The two materials do not vibrate at the same frequencies, so each damps what the other lets through. It is the clearest construction difference from the ZET 1, whose chassis is one piece.
The platter weighs twelve kilos, two more than the ZET 1's. Transrotor states the reasoning plainly: on a vinyl record, heavier and more finely machined parts raise playback precision. The mass is not there for the number, it is there for stability.
The chassis comes in black and in gloss white, chosen from the list above. Construction and mechanics are identical across finishes. A second arm base remains possible, in nine or twelve inches.
45 cm wide, 40 deep, 23 high, 34 kg. Ten kilos more than the ZET 1 for the same footprint, nearly all of it in the platter and the sandwich chassis. A dedicated stand is available as an option from Transrotor.
Data sheet
Specific References
The Alva Duo is a phono preamplifier compatible with mobile magnet cells and mobile coil. It incorporates a 6.35 mm helmet amplifier, a subsonic filter and an automatic shutdown.
Alva Solo is a phono preamplifier for mobile magnet cell, compact. It brings a gain of 39 dB, a subsonic filter, a scale setting and an automatic shutdown after twenty minutes.
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