Fidelity-Research FR-1/FR-1E
FR 112,600 (released in February 1965)
¥ 24,000 (around 1978)
FR-1E ¥ 14,800 (sold in February 1965)
¥ 25,000 (around 1978)
Commentary
MC type cartridge which was announced when Fidelity-Research was established and became a long-seller.
Non-magnetic material is used for the coil winding frame.
FR-1 uses a solid diamond needle and FR-1E uses an elliptical diamond needle.
.JPG)
Model Rating
| Type | MC Type Cartridge |
| Output voltage | 0.1 mV (5cm/sec., 45 °) |
| Needle pressure | FR-1 : 2g (1.5g ~ 2g) FR-1E : 1.5g (1g ~ 2g) |
| Load impedance | 30 Ω |
| Frequency characteristic | 6 Hz to 35 kHz + 1-3 dB (1965 catalog) 20 Hz to 20 kHz + 1-3 dB (1978 catalog) |
| Channel balance | 1dB(1kHz) |
| Crosstalk | 35dB(1kHz) 25dB(10kHz) |
| Channel separation | 27dB(1kHz) |
| Compliance | 12x10-6Cm / dyne (listed in 1965 catalog) 10x10-6Cm / dyne (listed in 1978 catalog) |
| Coil impedance | Approximately 30 Ω (audible range) |
| Vertical tracking angle | 15 ° |
| Needle tip | FR-1 : 0.5 mil Conical Solid Diamond Needle FR-1E : 0.3x0.8 mil Oval Diamond Needle |
| Dead weight | 11.5g (listed in the 1965 catalog) 10.5g (listed in the 1978 catalog) |
| Exchange needle | FR-1 : Replacement of main body (around ¥ 15,000, 1978) FR-1E : Replacement of the body (¥ 16,000, around 1978) |
| Remarks | 600 Ω : Output voltage when primary side CT is used with 60k Ω class transformer (150 Ω) : about 2 mv Examples of transformers : Matching Transformer LUX 6332X, 6225X, Sansui A-603, tamura TKS-3, etc. |