HiVi Research Drivers (Trade bulk inquires welcome)   

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The new range of drivers from HiVi Research are superb quality and represent the latest advances in driver technology. Each unit stocked by IPL has been genuinely researched to give smooth response and excellent sound quality at very competitive cost. These drivers are not a compromise, they are beautifully made and packaged and will compete with the best. They are purchased as RoHs compliant. 

You will note that certain units will be listed in the IPL Driver and the kit section as IPL units, this means they may have been purchased to IPL specification and all will have undergone extra testing and will be sold as "matched pairs" there may be a slight on-cost of about £5 per unit for this service

 

Magnesium Range (Prices include VAT)

A range of very high quality bass mid drivers with cast chassis (except B3N andM4N) and  extremely rigid Aluminium/magnesium bowl cones, these drivers give very low distortion, superb quality extended bass, and a very natural clean sound. M4,M5A,M6A have a shielded double magnet system

Unit Size ins Baffle cut-out mm Chassis Size mm Re ohms Power Watts Sens db Wt kg FAR Hz Vas litres Qms Qes Qts Cone area sq cms Price each £ P & P pair £
B3N 3" 71 90 steel 6.5 15 81 0.55 77 1.7 4.48 1.07 0.86 30 7.09 7.00
M4N 4" 93 117steel 6.5 30 82 0.6 69 4.3 5.39 1.35 1.08 53 12.60 9.00
M5A 5" 118 140 cast 6.5 70 87 1.6 48 11.2 6.71 0.36 0.34 87 25.00 9.50
M6A 6" 153 175 cast 6.5 90 88 2.0 46 21.9 3.94 0.42 0.38 139 33.00 10.0
M8A 8" 188 217 cast 6.5 90 88 2.5 33 42.3 4.59 0.49 0.44 214 45.00 10.5
M12 12" 280 313 cast 3.4 300 93 8.0 27 81.4 4.87 0.36 0.33 515 95.00 12.0

 

Mineral Filled Polypropylene Drivers (Prices include VAT)

A range of very high quality mineral filled polypropylene drivers with cast chassis, shielded double magnets, and 3"voice coils giving high power handling and low distortion. These drivers can produce a very expensive sounding speaker.

Unit Size ins Baffle Cut-out mm Chassis size mm Re ohms Power watts Sens db Wt kg FAR Hz Vas litres Qms Qes Qts sd cone sq cms Price each £ P&P pair £
D.5.8 5" 127 152 cast 6.5 120 83 1.8 52 5.6 3.07 0.42 0.37 87 41.75 9.00
D6.8* 6" 136 174 cast 6.5 120 85 1.8 43 13.5 5.21 0.49 0.45 121 45.50 10.0
D10.8 10" 255 299 cast 6.5 300 90 4.0 24 147.0 6.84 0.44 0.41 434 80.00 12.00

   

 

Composite Polypropylene Cone drivers

A range of very high quality drivers with W5 and W6a having shielded magnet assemblies and cast chassis giving very linear response and excellent sound quality. The 10" S1011p has a strong pressed steel chassis and a rigid polyprop/talc. cone

Unit Size ins" Baffle Cut out mm Chassis size mm Re ohms Power watts Sens db Wt kg Far hz Vas litres Qms Qes Qts sd cone area sq cms Price each £ P & P pair £
W5 5" 117 154 6.5 70 87 1.8 57 8.6 3.17 0.58 0.49 87 26.60 9.00
W6a 6.5" 150 175 6.5 90 88 2.0 44 20.4 2.47 0.49 0.40 139 36.66 10.0
S1011P 10" 230 284 4.2 200 93 3.8 27 98.1 6.76 0.30 0.29 363 47.00 12.00

   

 

Kevlar Paper Composite Drivers (Prices include VAT)

The Kevlar paper combination produces an extremely stiff but light cone and a refined but detailed sound. All drivers have cast chassis and the F5, F6, and F8 have shielded double magnet systems. The bass is extended tight and dynamic resulting in a very high quality sound.

Unit Size ins Baffle cut-out mm Chassis size mm Re ohms Power watts Sens db Wt kg FAR Hz Vas litres Qms Qes Qts sd cone sq cm Price each £ P&P pair £
F5 5" 117 154 cast 6.5 70 86 1.6 52 7.3 4.31 0.36 0.33 79 26.00 9.00
F6 6" 149 197 cast 6.5 90 88 2.1 45 16.4 3.91 0.38 0.35 139 33.00 9.50
F8 8" 187 239 cast 6.5 120 88 2.9 37 38.8 4.71 0.44 0.40 214 47.00 10.0
F10 10" 236 286 cast 6.5 200 89 4.5 28 78.6 5.12 0.33 0.31 363 80.00 11.00

 

Tweeters And Mid Tweeter combinations (Prices include VAT)

The TN25 and TN28 (top mounted) tweeters are great sounding shielded textile domes with an excellent detailed smooth sound and response. 

The TM1A combines the excellent 2" dome with the TN25 (crossover design available) to give a detailed smooth sound with a near perfect frequency response.

 The RT1.3 is a great little ribbon tweeter able to crossover at 2.5 kHz  or above (3k recommended) and producing a very flat response and transparent detailed sound. 

 

Unit Size mm Baffle Cut-out mm Chassis size mm Power watts peak Re ohms Sens db Wt kg Fs Hz  min x-over fre Hz Voice coil di mm Magnet Shield Price each £ P&P pair £
TN25 25 42 55 x55 square 30 4.6 90 0.09   2000 25 Neody yes 6.00 5.00
TN28 28 top mount 99 x 46 dia 30 5.1 90 0.14 1300 2000 28 Neody yes 11.00 6.00
RT 1.3Rib   78 x 50 square 102 x 87 20 6.0 92 0.2   2500   Neody No 31.50 6.00
TM1A combo 25 50   170 x 120 max 30 5-6 90 0.75   800/ 2500 25/ 50 Neody   28.00 9.00
X1A 25 72 116 dia 30 4.0 91 0.56 1600 2500 25   no 11.00 7.00
SD1.1A 25 85 116 dia 30 4.6 91 1.0 1200 2000 25   yes 13.00 9.00
RT1L rib 35 dia 80 110 dia 20 4.0 88 0.8   3500     yes 29.00 9.00