Overview


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” speaker.

















































































































































































































SPECIFICATION



Nominal Basket Diameter



6", 165 mm



Nominal Impedance*



4 Ω



Power Rating*



Program Power



40 W



Watts



20 W



Resonance



114 Hz



Usable Frequency Range



100 Hz - 5.3 kHz



Sensitivity*



94.6 dB



Magnet Weight



15 oz.



Gap Height



0.25", 6.4 mm



Voice Coil Diameter



1", 25 mm



THIELE & SMALL PARAMETERS



Resonant Frequency (fs)



114 Hz



DC Resistance (Re)



3.94 Ω



Coil Inductance (Le)



0.25m H



Mechanical Q (Qms)



5.5



Electromagnetic Q (Qes)



0.54



Total Q (Qts)



0.49



Compliance Equivalent Volume (Vas)



8.67 liters / 0.31 cu.ft.



Peak Diaphragm Displacement Volume (Vd)



5.3 cc



Mechanical Compliance of Suspension (Cms)



0.32 mm/N



BL Product (BL)



5.62 T-M



Diaphragm Mass Inc. Airload (MMs)



6 grams



Efficiency Bandwidth Product (EBP)



210



Maximum Linear Excursion (Xmax)



0.4 mm



Surface Area of Cone (Sd)



139.7 cm2



Maximum Mechanical Limit (Xlim)



N/A



MOUNTING INFORMATION



Recommended Enclosure Volume



Sealed



Acceptable



Vented



Acceptable



Driver Volume Displaced



0.011 cu.ft. / 0.3 liters



Overall Diameter



6.59", 167.4 mm



Baffle Hole Diameter



5.65", 143.5 mm



Front Sealing Gasket



Yes



Rear Sealing Gasket



Yes



Mounting Holes Diameter



0.23", 5.8mm



Mounting Holes B.C.D.



6.06", 153.9mm



Depth



2.8", 71.1 mm



Net Weight



2.9 lbs, 1.32 kg



Shipping Weight



3.6 lbs, 1.63 kgs



MATERIALS OF CONSTRUCTION



Coil Construction



Copper voice coil



Coil Former



Paper former



Magnet Composition



Ferrite magnet



Core Details



Non-vented core







Basket Materials



Pressed steel basket



Cone Composition



Paper cone



Cone Edge Composition



Full molded paper cone



Dust Cap Composition



Paper dust cap



Thank you for shopping with us!



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