
IKEDA · IT
IT-345 CR-1
A high-mass dynamic balance tonearm engineered for absolute tracking authority.
The IT-345 CR-1 stands as a definitive instrument in the Ikeda Sound Labs lineage, reflecting the exacting standards of Isamu Ikeda. Designed as a high-mass, transcription-grade tonearm, it provides the structural rigidity required to control the most demanding moving-coil cartridges, transforming the playback process into a grounded, coherent musical experience.
At the heart of the CR-1 is its sophisticated dynamic balance mechanism, which applies stylus pressure through a calibrated spring system rather than relying on static counterweight adjustments. This approach results in a livelier, more impactful sound character, maintaining consistent tracking force even when encountering warped vinyl or complex, high-energy groove modulations.
Listeners will find the sonic signature of the IT-345 CR-1 to be defined by its weight, stability, and natural transparency. It avoids the coloration associated with lighter, resonance-prone designs, instead offering a neutral and authoritative platform that reveals the full texture and micro-dynamic nuance of the original performance. It is an essential component for those seeking the uncompromising analog sound of the classic Fidelity Research era, updated with modern precision engineering.
Key Features
01
Dynamic balance system
Provides precise, spring-actuated tracking force for consistent performance and improved dynamic impact.
02
High-mass construction
Designed for maximum rigidity to effectively ground unwanted vibrations and stabilize low-compliance cartridges.
03
Precision adjustment
Features a generously sized, detented tracking force wheel for accurate calibration at every 0.5g increment.

Chapter 01
Engineering Philosophy
The IT-345 CR-1 is built upon the principle that mechanical stability is the foundation of analog fidelity. By employing a high-mass design combined with a dynamic tracking force system, Ikeda ensures that the cartridge is held in a state of unwavering stillness relative to the groove, allowing the transducer to retrieve information with minimal loss or distortion.

Chapter 02
Build Quality
Every aspect of the CR-1 speaks to its heritage of Japanese craftsmanship. The tonearm is machined with exacting tolerances, resulting in a smooth, unfussy aesthetic that hides the complexity of its internal bearing assemblies. The heavy-duty locking nut and robust collet mount are designed for professional-grade reliability and ease of setup.

Chapter 03
Listening Notes
Users of the IT-345 CR-1 frequently report a profound sense of authority and scale. It is particularly adept at handling the 'heaviness' of legendary moving-coil cartridges, imparting a feeling of groundedness to the bass and a silky, composed texture to the midrange that makes complex orchestral or jazz passages feel remarkably present.
Specifications
Overall length326mm
Effective length245mm
Stylus force range0g – 5g (in 0.5g steps)
Headshell weight17.5g
Tracking error+2° to 1°21'
Weight1.25 kg
Arm height range20 to 60 mm
Arm shaft diameter25.2mm
Base mounting hole dimensionsφ31mm
Cartridge compatible range (including shell)21 to 41.5g
