Kannan_madhu
Well-Known Member
I have read very good feedback on Ahuja SK 12 FR full range driver here and want to make one open baffle speaker with this driver. Since the bass response will be less i would like to add a helping woofer my initial plan is to build some thing like PA Trio as i dont want huge baffles due to space constraints. Amplification part plan is to go for a class AB or A for the full range with out filters and Class D with sub filter . How good will be the sound quality if i use comparatively smaller baffle like trio ? will there be harshness in mid range ? And can i get sufficient base if i use a PA driver like Ahuja AS15 200 or two of them( FR curve shows response above 90db till 40hz ) ?
Ahuja AS 15 200
Power Rating
200W RMS
Nominal Diameter
380 mm (15”)
Nominal Impedance
8Ω
Sensitivity (1W/1m )
98dB
Magnet Weight
1.54kg
Resonant FrequenceY (Fs)
45Hz
DC resistance (Re)
6.0Ω
Electromagnetic Q (Qes)
0.58
Mechanical Q (Qms)
9.6
Total Q (Qts)
0.54
Compliance Equivalent Volume (VAS)
115 Litr
Surface Area of Cone (Sd)
830cm2
Reference Efficiency (ηo)
2.1%
Voice Coil
2.0”
Overhang (Xmax)
3.5 mm
Moving Mass (Mms)
73gm
BL Product (BL)
13.4TM
Overall Diameter
385 mm
Depth
165 mm
Baffle Hole Diameter
355 mm
Bolt Mount Diameter (PCD)
373 mm (8 Bolts)
Weight
4.9kg
may be some thing like this
Ahuja AS 15 200
Power Rating
200W RMS
Nominal Diameter
380 mm (15”)
Nominal Impedance
8Ω
Sensitivity (1W/1m )
98dB
Magnet Weight
1.54kg
Resonant FrequenceY (Fs)
45Hz
DC resistance (Re)
6.0Ω
Electromagnetic Q (Qes)
0.58
Mechanical Q (Qms)
9.6
Total Q (Qts)
0.54
Compliance Equivalent Volume (VAS)
115 Litr
Surface Area of Cone (Sd)
830cm2
Reference Efficiency (ηo)
2.1%
Voice Coil
2.0”
Overhang (Xmax)
3.5 mm
Moving Mass (Mms)
73gm
BL Product (BL)
13.4TM
Overall Diameter
385 mm
Depth
165 mm
Baffle Hole Diameter
355 mm
Bolt Mount Diameter (PCD)
373 mm (8 Bolts)
Weight
4.9kg
may be some thing like this