Fidelity-Research FR-66/FR-66S
FR-66 : ¥ 95,000 (sold in May 1977)
FR-66S : ¥ 120,000 (sold in May 1977)
Commentary
A tone arm developed to bring out the capabilities of the cartridge.
The body of the 40 cm type is made of high strength stainless steel, and the arm outlet adopts a collet chuck method without looseness.
Also, a dynamic balance type is used for needle pressure application.
FR-66S has adopted Elevation Base B-60 for the arm base.
The B-60 uses a multi-thread screw in the helicoid, which is driven by a gear.
The FR-66 has fixed specifications for the arm base of FR-66S, and the body part has the same structure.
Model Rating
| Type | Tone arm |
| Total Length | 382.5mm |
| Effective length | 307mm |
| Overhang | 12mm |
| Needle pressure application range | 0 ~ 5g |
| Arm height adjustment | 29.5 ~ 60 mm |
| Compatible Cartridge Weight | 9 ~ 38.5g (2 Weights, Including Shell) |
| Tracking error | + 2 ° ~ -0.6 ° (Inner Circumference 0) |
| Mounting Hole Diameter | FR-66 : 31 φ mm FR-66S : 41 φ mm |
| Weight of attached shell | FR-S/3:19.8g FR-S/5:18g |