Product range
Sperante Studio
The reference frame. Solid European beech, 245 cm long, twin anodised aluminium rails and a carriage on eight sealed bearings. Five springs, 100 cm of travel, a four-position footbar and a three-position headrest. This is the machine a studio buys once and re-upholsters twice.
- Frame
- 245 x 70 x 39 cm
- Carriage travel
- 100 cm
- Springs
- 5
- Max user
- 150 kg
02
Technical data
Our reading on the left, the standard on the right.
Values are from the current production batch and the test log that accompanies it. Where a European standard sets the limit we name the standard; where we set it ourselves we say so, because an in-house limit and a legal one are not the same thing and pretending otherwise is how this trade loses buyers.
| Parameter | Unit | Sperante | Limit / standard |
|---|---|---|---|
| Frame length | cm | 245 | ± 3 mm build tolerance |
| Carriage travel | cm | 100 | — declared |
| Declared maximum user mass | kg | 150 | EN ISO 20957-1, declared by maker |
| Endurance test completed | cycles | 250,000 | Class S requires 100,000 |
| Rail deflection at 150 kg | mm | 1.1 | in-house reject above 3.0 |
| Rolling noise at 1 m | dB(A) | 34 | in-house reject above 45 |
| Frame timber moisture at assembly | % | 8 ± 1 | EN 942 interior joinery |
| Formaldehyde emission, frame | ppm | 0.03 | EN 717-1 class E1 <= 0.1 |
| Upholstery abrasion | Martindale cycles | 100,000 | EN ISO 12947-2, tested |
| Upholstery ignition | — | pass | EN 1021-1 and -2 |
| Foam density | kg/m3 | 60 | CMHR grade |
| Carriage bearings | — | 8 x sealed ABEC-7 | — declared |
| Spring rate, medium | N/mm | 0.42 | ± 5 % between springs of a set |
| Surface finish VOC | g/l | < 90 | Directive 2004/42/EC <= 130 |
| Assembly time, one person | min | 25 | — measured, not estimated |
EN ISO 20957-1 covers stationary training equipment and Class S is the designation for equipment used in studios, clubs, rehabilitation centres and other supervised training areas — as distinct from Class H for home use. The endurance protocol loads the machine to the declared maximum user mass with all springs engaged and cycles it at 80 % of carriage travel.
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