Wharfedale EVO 10 Evolution², Bass And Bass/Midrange Drive Unit Specifications, 17168, 17169

Evolution²

BASS AND BASS/MIDRANGE DRIVE UNIT SPECIFICATIONS

Evolution²

MIDRANGE specifications

	17168	17169	17167
	170mm (6.5”) Bass	170mm (6.5”) Bass/Mid	170mm (6.5”) Bass/Mid
Frame material	Aluminium	Aluminium	Aluminium
Cone & dome material	Woven Kevlar	Woven Kevlar	Woven Kevlar
Surround	s r b p Single roll	s r b p Single roll	s r b p Single roll
Spiders	Single	Single	Single
Coil size & type	25mm Aluminium	25mm Aluminium	25mm Aluminium
Winding spec	4 layer Cu x 11.5mm	2 layer Cu x 11.2mm	2 layer Cu x 15mm
Magnet (D1 x D2 x H)	70 x 32 x 15 ferrite	70 x 32 x 15 ferrite	70 x 32 x 15 ferrite
Magnet weight	106gm	106gm	106gm

13118

125mm (5”) Bass/Mid

Aluminium

Woven Kevlar

s r b p Single roll

Single

25mm Aluminium

2 layer Cu x 11.5mm

80 x 32 x 15 ferrite

168gm

Part number Dome material & size Coil size & type Magnet d1 x d2 x h Magnet weight SPL 1w @ 1m Fs

Frequency range -3dB Upper frequency limit -10dB Distortion at 100dB @ 1m

07104A 50mm textile 50mm aluminium

48.5x 20 x 5 Neodynium 84gm

92dB

0.00kHz

600Hz–12kHz

18kHz typically < 1%

Gap flux density	0.9 T	1.0 T	1.0 T
Top plate thickness	6mm	6mm	6mm
Optimum working range	40Hz – 500Hz	54Hz–4000Hz	54Hz–4000Hz
Venting	Coil, pole	Coil, pole	Coil, pole
Thiele Small parameters	4 – ö4	4 – ö4	4 – ö4
Effective cone diameter	140mm	140mm	140mm
Re	5.8Ù	5.8Ù	3.4Ù
Fs	40Hz	54Hz	54Hz

1.0 T

6mm

58Hz–5000Hz

Coil, pole

4 – ö4

105mm

3.4Ù

58Hz

Tweeter specifications

Qms	7.13	4.67	4.75
Qes	0.69	0.84	0.66
Qts	0.63	0.71	0.58
Mms	28.11gm	16.62gm	17.17gm
Cms	0.54mm/N	0.51mm/N	0.51mm/N
Vas	17.76L	16.77L	16.94L
BL	7.78t/m	6.3t/m	5.48t/m

3.14

0.37

0.33

8.01gm

0.93mm/N

9.69L

5.22t/m

Part number Dome material & size Coil size & type Magnet d1 x h Magnet weight SPL 1w @ 1m Fs

Frequency range -3dB Upper frequency limit -10dB Distortion at 100dB @ 1m

0367 25mm textile 25mm aluminium

25.4x 4mm Neodynium 14gm

93dB

1.3kHz

800Hz–40kHz

45kHz typically < 1%

16

Evo SignatureV3A.indd 16-17

crossover specifications

Crossover sections	2 way, 2.5 way, 3 way
Type	Butterworth
Wiring	HQ OFC cable
Connections	solder

17

30/09/2008 09:18:30