CELESTION. One of the most appealing names in the world of speakers. The speakers of the TF series impress by both an excellent price-performance ratio and very good sound characteristics and thus are ideally suited for an application in efficient PA speaker systems providing a powerful sound. Professional PA bass speaker, 250 W, 8 Ω. HOBBY HiFi 05/2013. "The TF-1225 features outstanding midrange qualities and thus allows for a two-way system of high level stability with audiophile qualities.". . HOBBY HIFI 06/2013. "The TF-1225 features outstanding midrange qualities and thus allows for a two-way system of high level stability with audiophile qualities. Terrific linearity up to 2 kHz." - 30 cm (12) PA bass speaker of high power capability and high efficiency
- High-quality Kevlar fibre reinforced cellulose cone
- Heat-resistant 63 mm (2½) voice coil on a Kapton voice coil former
- TSP parameters for a voluminous bass reproduction
- Excellent linear frequency response and wide bandwidth
- Double-roll surround for an excellent linearity
- Robust sheet steel basket
- Multi-purpose speaker for PA systems with high quality requirements
| Impedance (Z) | 8 Ω | | Operating voltage | - | | Frequency range | f3-4,000 Hz | | Resonant frequency (fs) | 62 Hz | | Rec. crossov. frequ. (fmax.) (12 dB/oct.) | - | | Power rating | 250 W | | Peak music power output | 500 W | | Sensitivity | 99 dB/W/m | | Max. rated SPL | - | | Max. voltage | - | | Radiation angle, horizontal | | | Radiation angle, vertical | | | Suspension compl. (Cms) | 0.13 mm/N | | Moving mass (Mms) | 46 g | | Mech. Q factor (Qms) | 6.57 | | Electr. Q factor (Qes) | 0.52 | | Total Q factor (Qts) | 0.48 | | Equivalent volume (Vas) | 57 l | | DC resistance (Re) | 5.3 Ω | | Force factor (BxL) | 13.72 Tm | | Voice coil induct. (Le) | 0.8 mH | | Voice coil diameter | Ø 63 mm | | Voice coil former | Kapton | | Linear excursion (XMAX) | ±2.4 mm | | Eff. cone area (Sd) | 551 cm2 | | Magnet weight | 1.4 kg | | Magnet diameter | Ø 157 mm | | Mounting cutout | Ø 282 mm | | Mounting depth | 124 mm | | Mounting hole diameter | - | | Hole spacing X-axis | - | | Hole spacing Y-axis | - | | Dimensions | Ø 310 mm x 130 mm | | Outside diameter | Ø 310 mm | | Width | Ø 310 mm | | Height | - | | Depth | 130 mm | | Protective class | | | Admiss. ambient temp. | 0-40 °C | | Weight | 3.98 kg | | Sales unit | 1 | | Type of speaker | |
  | 
