Manufacturers of Hi-Fi at it's Best.

Speakers, Active Filters, Cabs, Kits, Mosfet Amps

Inductors

[Home] [Up] [Capacitors] [Fasteners & Fixings] [Foams & Pads] [Inductors] [Plugs & Sockets] [Special Offers 4] [Terminals & Trays]

* Ferrite Bobbins.
  Four sizes of Ferrite Bobbins suitable for winding custom value Inductors as used in loudspeaker crossovers. Designated as Type A through to D.
A 'guide' to usage is as follows:-
Type A: FBA1823 Small value Inductors for Tweeter frequency modifications / tweeks.
Type B: FBB2728  Low power Bass and Tweeter crossovers to 50w rms max. system power.
Type C: FBC2535 Medium power Bass and Tweeter crossovers to 80w rms  max. system power.
Type D: FBD3040 Medium power Bass and Tweeter crossovers to 100w rms max. system power.

All dimensions are in mm and are approximate.

Order Code Height Max Diam. Max Core Diam. Core Height Price 1 to 5 Price 6 to 10
FBA1823 18 23 13 12 0.73/ea 0.66/ea
FBB2728 27 28 17 18 1.41/ea 1.27/ea
FBC2535 25 35 20 17 1.83/ea 1.65/ea
FBD3040 30 40 20 21 1.88/ea 1.69/ea

* Ferrite Crossover Coils,  Type C,  Price per piece.
 
Order Code Description Price GBP each    
  Ferrite Inductors, Type C Bobbin. Tolerance 10% 5% 2%
FBCC47  0.47mH, 0.8mm Wire, DCR 0.14 Ohms 2.14 2.37 2.56
FBCC56  0.56mH, 0.8mm Wire, DCR 0.16 Ohms 2.30 2.53 2.76
FBCC68  0.68mH, 0.8mm Wire, DCR 0.17 Ohms 2.46 2.64 2.94
FBCC75  0.75mH, 0.8mm Wire, DCR 0.18 Ohms 2.64 2.86 3.16
FBCC82  0.82mH, 0.8mm Wire, DCR 0.19 Ohms 2.80 3.08 3.36
FBCC91  0.91mH, 0.8mm Wire, DCR 0.21 Ohms 2.96 3.25 3.54
FBCC10  1.00mH, 0.8mm Wire, DCR 0.22 Ohms 3.14 3.45 3.76
FBCC12  1.20mH, 0.8mm Wire, DCR 0.24 Ohms 3.30 3.63 3.96
FBCC15  1.50mH, 0.8mm Wire, DCR 0.27 Ohms 3.46 3.80 4.14
FBCC18  1.80mH, 0.8mm Wire, DCR 0.31 Ohms 3.54 3.89 4.24
FBCC22  2.20mH, 0.8mm Wire, DCR 0.35 Ohms 3.70 4.07 4.44
FBCC25  2.50mH, 0.8mm Wire, DCR 0.38 Ohms 3.86 4.24 4.62
 

* Air Cored Crossover Bobbins.

Three sizes of Glass reinforced polyamid coil formers suitable
   for the DIY constructor to wind custom coils for that
     special project. Using 1.0mm copper wire the following
       inductance ranges can be achieved. Type 1 Bobbin (0.1 - 0.39)mH,
     Type 2 Bobbin (0.1 - 0.91)mH and Type 3 Bobbin (0.47 - 2.2)mH.
 

Order Code Description Price GBP 1 to 5   6 to 10  11 to 20
ACFRMS1 Air Core Bobbin Height 17mm, Diam 40mm, 0.50/ea 0.47/ea ******
ACFRMS2 Air Core Bobbin Height 15mm, Diam 47mm 0.62/ea 0.60/ea ******
ACFRMS3 Air Core Bobbin Height 25mm, Diam 58mm 0.75/ea 0.72/ea ******



*  
Air Cored Crossover Coils.

        
Air cored coils wound on hard glass-reinforced Polyamid formers. 
           
Type 1 Bobbin (0.1 to 0.39)mH, (17 * 40)mm
               
Type 2 Bobbin (0.1 to 0.68)mH, (15 * 47)mm
    
               Type 3 Bobbin  (0.47 to 2.2)mH, (25 * 58)mm  
                          
Centre boltdown with M4 Nylon bolt  or fix with
                       Silicone.
                          Tolerances +/- (10%, 5% or 2%). 


 * Air core coils, Type 1 Bobbin,
 (17 * 40)mm.  Price per piece.       

Order Code Description Price GBP each    
  Air Cored Coils, Type 1 Bobbin. Tolerance 10% 5% 2%
ACC110  0.10mH, 1.0mm Wire, DCR 0.12 Ohms 2.43 2.67 2.92
ACC115  0.15mH, 1.0mm Wire, DCR 0.16 Ohms 2.59 2.85 3.11
ACC122  0.22mH, 1.0mm Wire, DCR 0.20 Ohms 3.02 3.32 3.63
ACC133  0.33mH, 1.0mm Wire, DCR 0.25 Ohms 3.17 3.48 3.81
ACC139  0.39mH, 1.0mm Wire, DCR 0.29 Ohms 3.25 3.58 3.90

* Air core coils, Type 2 Bobbin, (15 * 47)mm.  Price per piece.
 
Order Code Description Price GBP each    
  Air Cored Inductors, Type 2 Bobbin. Tolerance 10% 5% 2%
ACC210  0.10mH, 1.0mm Wire, DCR 0.13 Ohms 2.43 2.67 2.92
ACC215  0.15mH, 1.0mm Wire, DCR 0.16 Ohms 2.59 2.85 3.11
ACC222  0.22mH, 1.0mm Wire, DCR 0.20 Ohms 3.02 3.32 3.63
ACC233  0.33mH, 1.0mm Wire, DCR 0.25 Ohms 3.17 3.48 3.81
ACC239  0.39mH, 1.0mm Wire, DCR 0.27 Ohms 3.25 3.58 3.90
ACC247  0.47mH, 1.0mm Wire, DCR 0.30 Ohms 3.33 3.66 4.00
ACC256  0.56mH, 1.0mm Wire, DCR 0.34 Ohms 3.58 3.93 4.29
ACC268  0.68mH, 1.0mm Wire, DCR 0.38 Ohms 3.82 4.20 4.59



* Air core coils, Type 3 Bobbin,
  (25 * 58)mm.  Price per piece.

Order Code Description Price GBP each    
  Air Cored Inductors, Type 3 Bobbin. Tolerance 10% 5% 2%
ACC347  0.47mH, 1.0mm Wire, DCR 0.30 Ohms 3.33 3.66 4.00
ACC356  0.56mH, 1.0mm Wire, DCR 0.34 Ohms 3.58 3.93 4.29
ACC368  0.68mH, 1.0mm Wire, DCR 0.38 Ohms 3.82 4.20 4.59
ACC375  0.75mH, 1.0mm Wire, DCR 0.41 Ohms 4.01 4.41 4.81
ACC382  0.82mH, 1.0mm Wire, DCR 0.45 Ohms 4.19 4.60 5.02
ACC391  0.91mH, 1.0mm Wire, DCR 0.49 Ohms 4.44 4.87 5.33
ACC310  1.00mH, 1.0mm Wire, DCR 0.51 Ohms 4.69 5.16 5.62
ACC312  1.20mH, 1.0mm Wire, DCR 0.60 Ohms 5.17 5.68 6.21
ACC315  1.50mH, 1.0mm Wire, DCR 0.64 Ohms 5.66 6.22 6.79
ACC318  1.80mH, 1.0mm Wire, DCR 0.71 Ohms 5.93 6.52 7.11
ACC322  2.20mH, 1.0mm Wire, DCR 0.81 Ohms 6.18 6.80 7.43
 
 
Order Code Description Price GBP 1 to 5   6 to 10  11 to 20
Carriage Packaging & Postage UK mainland only. GBP 5.00 5.50 6.00

Issue 4: Last modified September 19, 2007

Contacts.Telephone:- +44 (0) 1223-891091
        9.00 am to 6.00 pm  Mondays to Fridays UK Time.
        Answer machine at other times
Fax:- +44 (0) 1223-891091
Post:-
        QTA Systems, 2, Wheatsheaf Way, Linton, Cambs, CB21 4XB, UK
Electronic Mail:-
        Sales, General Information, Support, Web Comments to sales@qtasystems.co.uk
Best Viewed at 800 * 600
Copyright © 2000 QTA Systems