P R O U D L Y M A D E I N T O K Y O
Main Unit
The C1’s main unit consists of two monoblock preamplifier modules and
a logic control module. The input and output sections of each preamplifier
module are constructed on separate boards, which are arranged one
above the other in order to minimize the lengths of the signal paths. These
modules are mounted on a unique leaf spring suspension system that
was originally developed for Esoteric’s leading lineup of SACD players. Its
floating design helps achieve total left and right channel independence,
and enhances the sense of spaciousness and ease in the sound.
DC Power Supply Unit
The C1’s DC power supply features a fully independent two-channel
design with dual AC inputs and DC outputs. Together with the careful
selection of components one would expect in such a reference product,
this produces significant improvements in sound quality. Especially notable
in the power supply’s construction is the use of five generously rated
power transformers, high-capacity reservoir capacitors and silicon carbide
(SiC) Schottky barrier diodes.
The Grandioso C1 is the result of the dedication to audio quality instilled in every component that bears
the proud Grandioso name. Advancing well beyond the core objective of creating “high fidelity,” in the
development of the new C1 we set our sights on new summits, blending the sensibilities of the audio
engineer with those of the consummate musician.
A product of uncompromising craftsmanship and the highest standards of audio fidelity, each C1
preamplifier is handmade in our Tokyo factory and fully reflects Esoteric’s underlying Grandioso
philosophy. State-of-the-art circuit design and leading-edge technology combine to realize outstanding
audio performance. The C1’s robust construction employs two separate chassis, with each channel
totally independent from the other.
The C1’s two-chassis construction physically isolates the power supply from the audio circuitry. This
allows the unit to create a sound stage having exceptional transparency, as well as providing a liberating
sense of musical vibrancy, without betraying so much as a hint of stress.
The C1’s separate 29kg linear power supply enables pristinely accurate amplification and ensures that
the music signal is delivered to the power amplifiers without any loss of dynamics. This gives the music
the power and vibrancy to captivate the listener. Due to the C1’s monoblock internal construction, all
the elements of each channel are completely independent: from the audio circuitry to the DC power
supplies, and right down to the separate AC power cables. Creating the excitement of having every
musical instrument accurately positioned before you, the C1 is the crystallization of an approach
single-mindedly focused on accurate stereo sound reproduction.
D e s i g n P h i l o s o p h y
M a s s i v e C o n s t r u c t i o n
Input Amplifier
Monoblock Preamp
Module
Output Amplifier
Logic Control Module
Leaf Spring Suspension
System
