Difference between revisions of "Dynaudio 21 W-54"
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__NOTOC__ | __NOTOC__ | ||
| − | == | + | == Data == |
| − | {{ | + | {{navigation}} |
| − | ''' | + | '''General''' |
| − | * | + | * Manufacturer: [[Dynaudio]] |
| − | * | + | * Model: 21 W-54 |
| − | * | + | * Type: Bass loudspeaker |
| − | * | + | * Years of manufacture: 1980 - 1988 |
| − | * | + | * Made in: Denmark |
| − | * | + | * Color: Black |
| − | * | + | * Original price approx.: see technical data |
| − | ''' | + | '''Technical Data''' |
| − | * | + | * Type: Cone (MSP Polyprop) |
| − | * | + | * Diameter: 222 mm cone |
| − | * | + | * Power handling: 220 W |
| − | * | + | * Frequency response: 35 - 5'000 Hz |
| − | * | + | * Sound pressure level: 92 dB / W / m |
| − | * | + | * Cabinet: bass reflex |
| − | ** | + | ** Reflector tube: 60/190mm (inner diameter / length) |
| + | [[File:Dynaudio 21 W-54-Prospekt-1980.jpg]] | ||
| − | '''Thiele-Small | + | |
| − | * | + | '''Thiele-Small Parameters''' |
| − | * | + | * Impedance (Zmax): 8Ohm |
| − | * | + | * Power (Pe): 160W |
| − | * | + | * diaphragm area (Sd): 220cm² |
| − | * | + | * resonant frequency (Fs): 30Hz |
| − | * | + | * DC resistance (Re): 5,6Ohm |
| − | * | + | * Voice coil inductance (Le): 0.250mH |
| − | * | + | * Mechanical Q-factor (Qms): 2.03 |
| − | * | + | * Electrical Q-factor (Qes): 0.356 |
| − | * | + | * Total Q factor (Qts): 0.303 |
| − | * | + | * Equivalent volume (Vas): 59.6L |
| − | * | + | * Diaphragm displacement volume (Vd): 154cm³ |
| − | * | + | * drive factor (Bxl): 9.09Tm |
| − | * | + | * total moving mass (Mmd): |
| − | * | + | * effective moving mass (Mms): 27g |
| − | * | + | * mechanical losses (Rms): 2,60kg/s |
| + | * diaphragm stroke (Xmax/Xmech): 7,0mm | ||
* Efficency Bandwith Product (EBP): | * Efficency Bandwith Product (EBP): | ||
| − | + | == Remarks == | |
| − | + | * Other models in the same series: | |
| − | |||
| − | == | ||
| − | * | ||
* [[Dynaudio D28 AF]] | * [[Dynaudio D28 AF]] | ||
* [[Dynaudio D-54 AF]] | * [[Dynaudio D-54 AF]] | ||
| Line 64: | Line 63: | ||
| − | == | + | == Pictures == |
| − | * | + | * Extract from brochure: Dynaudio 21 W-54 |
<gallery> | <gallery> | ||
| − | DYNAUDIO_21W54-001.jpg| | + | DYNAUDIO_21W54-001.jpg|Description |
DYNAUDIO_21W54-002.jpg|Daten | DYNAUDIO_21W54-002.jpg|Daten | ||
</gallery> | </gallery> | ||
| − | == | + | == Reports == |
| Line 78: | Line 77: | ||
| − | [[ | + | [[Category:Loudspeaker chassis]] |
Latest revision as of 00:42, 4 January 2021
Data[edit]
General
- Manufacturer: Dynaudio
- Model: 21 W-54
- Type: Bass loudspeaker
- Years of manufacture: 1980 - 1988
- Made in: Denmark
- Color: Black
- Original price approx.: see technical data
Technical Data
- Type: Cone (MSP Polyprop)
- Diameter: 222 mm cone
- Power handling: 220 W
- Frequency response: 35 - 5'000 Hz
- Sound pressure level: 92 dB / W / m
- Cabinet: bass reflex
- Reflector tube: 60/190mm (inner diameter / length)
Thiele-Small Parameters
- Impedance (Zmax): 8Ohm
- Power (Pe): 160W
- diaphragm area (Sd): 220cm²
- resonant frequency (Fs): 30Hz
- DC resistance (Re): 5,6Ohm
- Voice coil inductance (Le): 0.250mH
- Mechanical Q-factor (Qms): 2.03
- Electrical Q-factor (Qes): 0.356
- Total Q factor (Qts): 0.303
- Equivalent volume (Vas): 59.6L
- Diaphragm displacement volume (Vd): 154cm³
- drive factor (Bxl): 9.09Tm
- total moving mass (Mmd):
- effective moving mass (Mms): 27g
- mechanical losses (Rms): 2,60kg/s
- diaphragm stroke (Xmax/Xmech): 7,0mm
- Efficency Bandwith Product (EBP):
Remarks[edit]
- Other models in the same series:
- Dynaudio D28 AF
- Dynaudio D-54 AF
- Dynaudio 15 W-75
- Dynaudio 17 W-75
- Dynaudio 17 W-75 XL
- Dynaudio 17 W-LQ
- Dynaudio 20 W-75
- Dynaudio 21 W-54
- Dynaudio 24 W-75
- Dynaudio 24 W-75 XL
- Dynaudio 24 W-100
- Dynaudio 30 W-54
- Dynaudio 30 W-100
- Dynaudio 30 W-100 XL
- Dynaudio Variovent
Pictures[edit]
- Extract from brochure: Dynaudio 21 W-54
Description
Daten
