L20 DB LIVE Speakers User Manual
L20 DB LIVE Speakers
Thank you for choosing BLAM.
LIVE systems are designed to provideincredible performance. Because of their high efficiency and low impedance, theyprovide detailed, powerful sound whenused with or without an amplifier.Transform your mundane drive into amusical journey….
To obtain the best results from this product, we recommend that you follow carefully all the information contained in this user’s manual. If not correctly followed, any fault observed may not be covered by the guarantee.
Warning
Continuous listening at high sound level (above 110 dB) can durably damage your hearing. Listening above 130 dB can damage your hearing permanently.
Important recommendations
Before attempting any installation work, it is very important to check how much space is available to fit the speakers into the vehicle.
Key points
- Ensure the speaker is clean from debris andmetallic particles that maybe attached (especially after drilling).
- Clean before mounting the speakers.
Due to constant technological advances, BLAM reserves its right to modify specifications without notice. Images may not conform exactly to specific product.
Conditio of guarantee
All BLAM loudspeakers are covered by guarantee drawn up by the official BLAM distributor in your country. Your distributor can provide all details concerning the conditions of guarantee. Guarantee cover extends at least to that granted by the legal guarantee in force in the country where the original purchase invoice was issued.
LIVE
L 20 DB
Subwoofer
- 200 mm (8‘’) subwoofer
- Max. power 500 W / Nominal Power 250 W
TECHNICAL SPECIFICATIONS
| Component | Subwoofer | |
| Max power | 500 W | |
| Nominal power | 250 W | |
| Impedance | 2 x 2 Ω | |
| Freq. Response | 45 Hz – 500 Hz | |
| Sensitivity (2,83V/1m) | 89 dB | |
| Magnet | Ferrite Y30 | |
| Magnet size Ø x h | 2 x 120 x 20 mm | 2 x 4.724‘’x 0.787‘’ |
| Total driver displacement | 1 l | 0.035 cf |
| Weight of one component | 4 kg | 8.818 lb |
| Voice coil Ø | 50 mm | 1.969“ |
| Voice coil height | 26 mm | 1.024“ |
| Cone | Paper |
THIELE-SMALL PARAMETERS
| effective Ø (d) | 160 mm |
| Sd | 201.06 cm2 |
| Xmax | 9 mm |
| Re | 1.27Ω |
| Fs | 43.84 Hz |
| Le | 257.41 µH @ 1 kHz |
| L2 | 644.80 µH @10 kHz |
| Vas | 7.68 L |
| Mms | 97.48 g |
| Cms | 0.000135 m/N |
| BL | 6.61 Tm |
| Qts | 0.71 |
| Qes | 0.78 |
| Qms | 8.39 |
SEALED
| Internal volume Vb | Qtc | F-3dB | Boost |
| 10 L | 0.949 | 47 Hz | 1.0 dB at 84 Hz |
| 15 L | 0.878 | 45 Hz | 0.6 dB at 83 Hz |
| 25 L | 0.816 | 44 Hz | 0.3 dB at 87 Hz |
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Documents / Resources
 | BLAM L20 DB LIVE Speakers [pdf] User Manual L20 DB LIVE Speakers, L20 DB, LIVE Speakers, Speakers |
