Technics EPA-250
¥ 60,000 (around 1981)
Commentary
Universal type system tone arm that combines arm base EPA-B500 and arm unit EPA-A250.
Model Rating
| Type | System tone arm |
| <Armbase EPA-B500> | |
| Type | Arm exchange type arm base |
| Bearing structure | Gimbal suspension system |
| Height adjustment range | 42 mm ~ 62 mm (from the base mounting surface to the pipe center) Helicoid part : 20 mm |
| Initial motion sensitivity | 7 mg or less (horizontal and vertical) |
| Output cord DC resistance | 39.5m Ω / m |
| Output code capacity | 41.5pF/m |
| Arm base mounting hole | Φ 62 mm |
| <Arm Unit EPA-A250> | |
| Type | Dynamic damping type arm unit |
| Effective arm length | 250mm |
| Arm rear length range | Maximum 93 mm (from arm supporting point) |
| Overhang | 15mm |
| Horizontal tracking error angle | + 1 ° 6' (30 cm record inner circumference) + 2 ° 6' (30 cm record circumference) |
| Arm effective mass | 14g (Without Cartridge) |
| Needle pressure adjustment range | 0 ~ 2g |
| Head shell weight | 7.5g |
| Compatible Cartridge Weight | 6g ~ 8g 3g ~ 6g (When Using Shell Weight) 10.5g ~ 12.5g (When Using Auxiliary Weight) |
| Compatible Cartridge Compliance (dynamic, 100 Hz) |
8-14x10-6cm/dyne 6-12x10-6Cm / dyne (with auxiliary weights) |
| Cartridge Mounting Dimensions | JIS Standard 12.7 mm (1/2inch) Mounting Interval |
| Shell terminal lug | Φ 1.2mm4-Pin |
| * Technics cartridge compliance is a dynamic compliance display. 25x10 at other companies-6If you are viewing values of cm/dyne or higher, a value of approximately 1/2 is equivalent to dynamic compliance because of the static compliance display. |
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