Seas A33 RE4Y-DC (H 339)
- SEAS woofer A33 13in/33cm dual voice coil 2 x 8 ohms
- Manufacturer: SEAS Norway Model H 339
- Years of manufacture: 1985 onwards
- Technical features:
- Injection molded aluminum, black;
- Rubber surround, paper cone w. inverse dome;
- Voice coil 2-ply, 4 connection terminals;
- Special model similar to A33F-WKA;
- Technical data:
- Recommended frequency range: 25 ... 1,000 Hz;
- Rated power: 70 W (DIN 45573);
- Max. power: 120 W (DIN 45500);
- SPL @1m, 1W: 92.5 dB @4 Ohm;
- Voice coil diameter: 39 mm;
- height: 20 mm;
- - inductance: 2.0 mH @4 ohms;
- - Resistance: 2.8 ohms @4 ohms;
- air gap height: 10 mm;
- flux density: 0.95 T;
- Moving mass: 60 g;
- Eff. area: 550 sq cm;
- Free-air resonance: 23 Hz;
- Volume.as: 302 li;
- Recommended enclosure volume: closed 50 - 70 li;
- Bass reflex: 60 - 100 r.l.;
- Quality: Q.ms: 4,0 ; Q.es: 0,30 ; Q.ts: 0,28 ;
- Mechani. compliance: 2,4 Ns/m;
- Magnet weight: 1.2 kg ;
- Total weight: 5,1 kg;
- Additional information:
- Lab test in 50 li. sealed enclosure @4 ohms:
- Impedance maximum @49 Hz.
- SPL drop from approx. 2 kHz;