6.5″ Μεγάφωνο 20 W 4 Ohms
The little brother to the 820H, the 620H is a four ohm hemp cone speaker with warm, full, and clean tone that will make a small, thin amp sound bigger and fatter. Cleaner, warmer, fatter, and better definition than any stock 6.5 inch speaker.
FRS 7 S, 6.5 cm (2.5″) full-range speaker with balanced frequency response and very good highs. Especially suitable as built-in speaker for music reproduction and as driver for 100 V network column speakers. Very low resonance frequency.
Typical applications
- Narrow network column speakers
- Monitoring speaker for electronic devices
- Model construction
- Electronic musical instruments
Attributes
- Waterproof membrane
- metal design
- 100 °C temperature resistant
| Rated power | 8 W |
|---|---|
| Maximum power | 15 W |
| Nominal impedance Z | 8 Ohm |
| Frequency response | 120–20000 Hz |
| Mean sound pressure level | 84 dB (1 W/1 m) |
| Opening angle (-6 dB) | 149°/4000 Hz |
| Excursion limit | +/−1.5 mm |
| Resonance frequency fs | 150 Hz |
| Magnetic induction | 1.2 T |
| Magnetic flux | 160 µWb |
| Height of front pole-plate | 2 mm |
| Voice coil diameter | 14 mm |
| Height of winding | 5 mm |
| Cutout diameter | 61 mm |
| Net weight | 0.2 kg |
| D.C. resistance Rdc | 7.2 Ohm |
| Mechanical Q factor Qms | 5.38 |
| Electrical Q factor Qes | 2.01 |
| Total Q factor Qts | 1.46 |
| Equivalent volume Vas | 0.9 l |
| Effective piston area Sd | 22 cm² |
| Dynamically moved mass Mms | 0.8 g |
| Force factor Bxl | 1.8 Tm |
| Inductance of the voice coil L | 0.6 mH |
| Connections | 2.8 x 0.5 mm (+)/2.8 x 0.5 mm (-) |
| Temperature range | −25 … 100 °C |
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