Difference between revisions of "RFT B9281"
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| − | + | ==Data== | |
| + | '''General''' | ||
| + | * Type: 3-way compact speaker | ||
| + | * Manufacturer: RFT | ||
| + | * Manufactured in: DDR | ||
| + | * Net volume: 10 l | ||
| + | * Dimensions (W x H x D): 236 x 341 x 225 mm | ||
| + | * Mass: 8,8 kg | ||
| + | * Price per box: 405,- M | ||
| − | |||
| − | + | '''Technical data''' | |
| − | + | * Rated power: 35 W | |
| + | * Maximum power handling: 50 W | ||
| + | * Nominal impedance: 4 Ohm | ||
| + | * Frequency range: 50 - 18000 Hz | ||
| + | * Crossover frequencies: 800 Hz; 5.5 kHz | ||
| + | * Sensitivity: 86 dB | ||
| + | * Operating power: 10 W | ||
| + | * Length of connecting cable: 4 m | ||
| + | * Net volume: 10 l | ||
| − | |||
| − | + | ==Notes== | |
| + | '''Historical/Technical Background''' | ||
| + | <br> | ||
| + | The B 9251 were produced at the Funkwerk Köpenick for Stern Radio Sonneberg from 1978 on. For the first time in a compact speaker a 40 W woofer was used. The L 2921 (4 Ohm) was based on the L 2911 of the Rema Toccata boxes. However, a 12 cm magnet and a reinforced plunger coil and diaphragm were used. The somewhat undersized L 5904 tweeter (8 W / 8 Ohm) was taken over unchanged from the Toccata. Due to this configuration and the small cabinet the speakers sound very bass-heavy and are best suited for amplifiers with high output power like the Sensit control units. The B 9251 are rated at 35W and weigh 7.5kg each. | ||
| + | ==Pictures== | ||
| + | ==Links== | ||
http://www.rft-hifigeraete.de/9465.html | http://www.rft-hifigeraete.de/9465.html | ||
| + | ==Reports== | ||
| + | |||
| + | [[Category:Loudspeaker]]</br> | ||
Latest revision as of 17:31, 2 November 2020
Contents
Data[edit]
General
- Type: 3-way compact speaker
- Manufacturer: RFT
- Manufactured in: DDR
- Net volume: 10 l
- Dimensions (W x H x D): 236 x 341 x 225 mm
- Mass: 8,8 kg
- Price per box: 405,- M
Technical data
- Rated power: 35 W
- Maximum power handling: 50 W
- Nominal impedance: 4 Ohm
- Frequency range: 50 - 18000 Hz
- Crossover frequencies: 800 Hz; 5.5 kHz
- Sensitivity: 86 dB
- Operating power: 10 W
- Length of connecting cable: 4 m
- Net volume: 10 l
Notes[edit]
Historical/Technical Background
The B 9251 were produced at the Funkwerk Köpenick for Stern Radio Sonneberg from 1978 on. For the first time in a compact speaker a 40 W woofer was used. The L 2921 (4 Ohm) was based on the L 2911 of the Rema Toccata boxes. However, a 12 cm magnet and a reinforced plunger coil and diaphragm were used. The somewhat undersized L 5904 tweeter (8 W / 8 Ohm) was taken over unchanged from the Toccata. Due to this configuration and the small cabinet the speakers sound very bass-heavy and are best suited for amplifiers with high output power like the Sensit control units. The B 9251 are rated at 35W and weigh 7.5kg each.
Pictures[edit]
Links[edit]
http://www.rft-hifigeraete.de/9465.html
Reports[edit]