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air coils: L050 L071 L100 L140 L200 L250 L300 baked varnish coils: BL071 BL100 BL140 Silver/Gold coils: LSG050 LSG100 LSG150 Hepta strand

 

Mundorf, specialist for inductors and capacitors Air Coils and Baked Varnish Air Coils

Mundorf Spule

Mundorf is regarded as specialist in high-end components. We have, therefore, listed the most interesting ones below. All listed coils are made of copper lacquer wire with a purity of > 99.995%. The coil body is made of glass fibre reinforced polyamide. The wire ends are tinned and labelled. Inductance is measured at 25 degrees Celsius; tolerance is +/- 3%. L denotes inductance, R the DC resistance, D the diameter, Le the length, W the width, H the height. Mundorf Spule

Air coils (i.e. coils without a ferro-magnetic core) are absolutely distortion-free, which on the face of it makes them ideal for all audio applications. The trouble is, their electrical resistance increases with their inductance. There are two solutions to this problem: One can either use very thick windings (this is why our standard range includes windings with wire up to 3mm in diameter) or coils with cores. Lower cost and smaller size are also common reasons for choosing cored coils.
Please note: The power values Pmax in the following tables were determined at 20 degrees Celsius ambient temperature and free convection. They are just a guideline and - since we are not the manufacturers - cannot be guaranteed by us.
 
 

air coils: L050 L071 L100 L140 L200 L250 L300 baked varnish coils: BL071 BL100 BL140 Silver/Gold coils: LSG050 LSG100 LSG150 Hepta strand

 

Mundorf-Spulen Baked Varnish Air Coils BL71 (wire with 0.71 mm diameter)

Product ID L/mH R/Ohm Wire-
D/mm		 Pmax*)
8Ohm		 Coil Size
(DxH/mm)		 Price
M-BL71-010 0.10 0.23 0.71 31 W 25 x 10 EUR 5,00 excl. VAT: € 4.20 / $ 4.66
M-BL71-012 0.12 0.25 0.71 42 W 36 x 10 EUR 5,20 excl. VAT: € 4.37 / $ 4.85
M-BL71-015 0.15 0.28 0.71 39 W 36 x 10 EUR 5,95 excl. VAT: € 5.00 / $ 5.55
M-BL71-018 0.18 0.31 0.71 38 W 36 x 10 EUR 6,05 excl. VAT: € 5.08 / $ 5.64
M-BL71-022 0.22 0.34 0.71 37 W 36 x 10 EUR 6,15 excl. VAT: € 5.17 / $ 5.74
M-BL71-027 0.27 0.39 0.71 34 W 36 x 10 EUR 6,35 excl. VAT: € 5.34 / $ 5.92
M-BL71-033 0.33 0.43 0.71 33 W 36 x 10 EUR 6,55 excl. VAT: € 5.50 / $ 6.11
M-BL71-039 0.39 0.51 0.71 29 W 36 x 10 EUR 6,75 excl. VAT: € 5.67 / $ 6.30
M-BL71-047 0.47 0.58 0.71 21 W 30 x 20 EUR 6,95 excl. VAT: € 5.84 / $ 6.48
M-BL71-056 0.56 0.64 0.71 20 W 30 x 20 EUR 7,15 excl. VAT: € 6.01 / $ 6.67
M-BL71-068 0.68 0.71 0.71 20 W 30 x 20 EUR 7,45 excl. VAT: € 6.26 / $ 6.95
M-BL71-082 0.82 0.81 0.71 18 W 30 x 20 EUR 7,75 excl. VAT: € 6.51 / $ 7.23
M-BL71-100 1.0 0.91 0.71 17 W 30 x 20 EUR 8,05 excl. VAT: € 6.76 / $ 7.51
M-BL71-120 1.2 1.0 0.71 18 W 40 x 20 EUR 8,25 excl. VAT: € 6.93 / $ 7.70
M-BL71-150 1.5 1.1 0.71 17 W 40 x 20 EUR 8,65 excl. VAT: € 7.27 / $ 8.07
M-BL71-180 1.8 1.2 0.71 17 W 40 x 20 EUR 9,15 excl. VAT: € 7.69 / $ 8.53
M-BL71-200 2.0 1.3 0.71 16 W 40 x 20 EUR 9,65 excl. VAT: € 8.11 / $ 9.00
M-BL71-220 2.2 1.4 0.71 16 W 40 x 20 EUR 10,15 excl. VAT: € 8.53 / $ 9.47
M-BL71-270 2.7 1.5 0.71 15 W 40 x 20 EUR 10,50 excl. VAT: € 8.82 / $ 9.79
M-BL71-300 3.0 1.6 0.71 25 W 58 x 18 EUR 11,50 excl. VAT: € 9.66 / $ 10.73
M-BL71-330 3.3 1.8 0.71 24 W 58 x 18 EUR 12,40 excl. VAT: € 10.42 / $ 11.57
M-BL71-390 3.9 2.0 0.71 16 W 58 x 18 EUR 13,40 excl. VAT: € 11.26 / $ 12.50
M-BL71-470 4.7 2.2 0.71 16 W 58 x 18 EUR 14,40 excl. VAT: € 12.10 / $ 13.43
M-BL71-560 5.6 2.4 0.71 16 W 58 x 18 EUR 15,70 excl. VAT: € 13.19 / $ 14.64
M-BL71-680 6.8 2.7 0.71 15 W 58 x 18 EUR 17,25 excl. VAT: € 14.50 / $ 16.09
M-BL71-820 8.2 3.1 0.71 14 W 58 x 28 EUR 19,25 excl. VAT: € 16.18 / $ 17.96
M-BL71-1000 10.0 3.6 0.71 13 W 58 x 28 EUR 21,20 excl. VAT: € 17.82 / $ 19.77
M-BL71-1200 12.0 3.9 0.71 14 W 70 x 29 EUR 22,10 excl. VAT: € 18.57 / $ 20.61
M-BL71-1500 15.0 4.5 0.71 13 W 70 x 29 EUR 24,05 excl. VAT: € 20.21 / $ 22.43
M-BL71-1800 18.0 5.0 0.71 13 W 70 x 29 EUR 27,00 excl. VAT: € 22.69 / $ 25.18
M-BL71-2200 22.0 5.7 0.71 12 W 70 x 29 EUR 30,95 excl. VAT: € 26.01 / $ 28.87
M-BL71-2700 27.0 6.4 0.71 11 W 70 x 29 EUR 33,85 excl. VAT: € 28.45 / $ 31.57
*) Pmax 8 Ohm is the maximum power that this coil is able to deliver to the bass driver.
The values are valid for free air convection and 20°C. For 4 Ohm speakers this value has to be halved.
air coils: L050 L071 L100 L140 L200 L250 L300 baked varnish coils: BL071 BL100 BL140 Silver/Gold coils: LSG050 LSG100 LSG150 Hepta strand

 

Mundorf-Spulen Baked Varnish Air Coils BL100 (wire with 1.0 mm diameter)

Product ID L/mH R/Ohm Wire-
D/mm		 Pmax*)
8Ohm		 Coil Size
(DxH/mm)		 Price
M-BL100-010 0.10 0.14 1.00 82 W 30 x 20 EUR 6,55 excl. VAT: € 5.50 / $ 6.11
M-BL100-012 0.12 0.15 1.00 82 W 30 x 20 EUR 6,95 excl. VAT: € 5.84 / $ 6.48
M-BL100-015 0.15 0.17 1.00 77 W 30 x 20 EUR 7,15 excl. VAT: € 6.01 / $ 6.67
M-BL100-018 0.18 0.19 1.00 73 W 30 x 20 EUR 7,45 excl. VAT: € 6.26 / $ 6.95
M-BL100-022 0.22 0.21 1.00 70 W 30 x 20 EUR 6,95 excl. VAT: € 5.84 / $ 6.48
M-BL100-027 0.27 0.23 1.00 68 W 30 x 20 EUR 8,05 excl. VAT: € 6.76 / $ 7.51
M-BL100-033 0.33 0.26 1.00 77 W 40 x 20 EUR 8,35 excl. VAT: € 7.02 / $ 7.79
M-BL100-039 0.39 0.29 1.00 71 W 40 x 20 EUR 8,55 excl. VAT: € 7.18 / $ 7.98
M-BL100-047 0.47 0.32 1.00 67 W 40 x 20 EUR 8,65 excl. VAT: € 7.27 / $ 8.07
M-BL100-056 0.56 0.36 1.00 62 W 40 x 20 EUR 9,15 excl. VAT: € 7.69 / $ 8.53
M-BL100-068 0.68 0.39 1.00 60 W 40 x 20 EUR 9,65 excl. VAT: € 8.11 / $ 9.00
M-BL100-082 0.82 0.45 1.00 54 W 40 x 20 EUR 10,55 excl. VAT: € 8.87 / $ 9.84
M-BL100-100 1.0 0.49 1.00 61 W 58 x 18 EUR 11,45 excl. VAT: € 9.62 / $ 10.68
M-BL100-120 1.2 0.54 1.00 63 W 58 x 18 EUR 12,45 excl. VAT: € 10.46 / $ 11.61
M-BL100-150 1.5 0.62 1.00 60 W 58 x 18 EUR 13,45 excl. VAT: € 11.30 / $ 12.55
M-BL100-180 1.8 0.70 1.00 58 W 58 x 18 EUR 14,30 excl. VAT: € 12.02 / $ 13.34
M-BL100-200 2.0 0.74 1.00 59 W 58 x 28 EUR 15,35 excl. VAT: € 12.90 / $ 14.32
M-BL100-220 2.2 0.83 1.00 59 W 58 x 28 EUR 16,35 excl. VAT: € 13.74 / $ 15.25
M-BL100-270 2.7 0.90 1.00 46 W 58 x 28 EUR 17,35 excl. VAT: € 14.58 / $ 16.18
M-BL100-300 3.0 0.98 1.00 45 W 58 x 28 EUR 18,25 excl. VAT: € 15.34 / $ 17.02
M-BL100-330 3.3 1.1 1.00 44 W 58 x 28 EUR 19,25 excl. VAT: € 16.18 / $ 17.96
M-BL100-390 3.9 1.1 1.00 43 W 58 x 28 EUR 21,20 excl. VAT: € 17.82 / $ 19.77
M-BL100-470 4.7 1.3 1.00 46 W 70 x 29 EUR 23,05 excl. VAT: € 19.37 / $ 21.50
M-BL100-560 5.6 1.4 1.00 44 W 70 x 29 EUR 25,15 excl. VAT: € 21.13 / $ 23.46
M-BL100-680 6.8 1.6 1.00 42 W 70 x 29 EUR 27,05 excl. VAT: € 22.73 / $ 25.23
M-BL100-820 8.2 1.7 1.00 39 W 70 x 29 EUR 28,95 excl. VAT: € 24.33 / $ 27.00
M-BL100-1000 10.0 1.9 1.00 41 W 77 x 28 EUR 31,85 excl. VAT: € 26.76 / $ 29.71
*) Pmax 8 Ohm is the maximum power that this coil is able to deliver to the bass driver.
The values are valid for free air convection and 20°C. For 4 Ohm speakers this value has to be halved.
 
air coils: L050 L071 L100 L140 L200 L250 L300 baked varnish coils: BL071 BL100 BL140 Silver/Gold coils: LSG050 LSG100 LSG150 Hepta strand

 

Mundorf-SpulenBaked Varnish Air Coils BL140 (wire with 1.4 mm diameter)

Product ID L/mH R/Ohm Wire-
D/mm		 Pmax*)
8Ohm		 Coil Size
(DxH/mm)		 Price
M-BL140-010 0.10 0.07 1.4 267 W 40 x 20 EUR 8,75 excl. VAT: € 7.35 / $ 8.16
M-BL140-012 0.12 0.08 1.4 265 W 40 x 20 EUR 9,15 excl. VAT: € 7.69 / $ 8.53
M-BL140-015 0.15 0.10 1.4 237 W 40 x 20 EUR 9,65 excl. VAT: € 8.11 / $ 9.00
M-BL140-018 0.18 0.11 1.4 251 W 58 x 18 EUR 10,55 excl. VAT: € 8.87 / $ 9.84
M-BL140-022 0.22 0.12 1.4 248 W 58 x 18 EUR 11,55 excl. VAT: € 9.71 / $ 10.77
M-BL140-027 0.27 0.13 1.4 245 W 58 x 18 EUR 12,45 excl. VAT: € 10.46 / $ 11.61
M-BL140-033 0.33 0.15 1.4 227 W 58 x 18 EUR 13,35 excl. VAT: € 11.22 / $ 12.45
M-BL140-039 0.39 0.16 1.4 239 W 58 x 18 EUR 14,35 excl. VAT: € 12.06 / $ 13.39
M-BL140-047 0.47 0.19 1.4 213 W 58 x 18 EUR 15,35 excl. VAT: € 12.90 / $ 14.32
M-BL140-056 0.56 0.20 1.4 192 W 58 x 22 EUR 16,35 excl. VAT: € 13.74 / $ 15.25
M-BL140-068 0.68 0.23 1.4 197 W 58 x 28 EUR 17,25 excl. VAT: € 14.50 / $ 16.09
M-BL140-082 0.82 0.26 1.4 184 W 58 x 28 EUR 19,25 excl. VAT: € 16.18 / $ 17.96
M-BL140-100 1.0 0.30 1.4 168 W 58 x 28 EUR 21,20 excl. VAT: € 17.82 / $ 19.77
M-BL140-120 1.2 0.34 1.4 164 W 70 x 29 EUR 23,05 excl. VAT: € 19.37 / $ 21.50
M-BL140-150 1.5 0.38 1.4 156 W 70 x 29 EUR 25,05 excl. VAT: € 21.05 / $ 23.37
M-BL140-180 1.8 0.43 1.4 146 W 70 x 29 EUR 27,05 excl. VAT: € 22.73 / $ 25.23
M-BL140-200 2.0 0.45 1.4 148 W 70 x 29 EUR 28,90 excl. VAT: € 24.29 / $ 26.96
M-BL140-220 2.2 0.46 1.4 152 W 70 x 29 EUR 30,90 excl. VAT: € 25.97 / $ 28.82
M-BL140-270 2.7 0.51 1.4 133 W 77 x 28 EUR 32,90 excl. VAT: € 27.65 / $ 30.69
M-BL140-300 3.0 0.55 1.4 131 W 77 x 28 EUR 34,85 excl. VAT: € 29.29 / $ 32.51
M-BL140-330 3.3 0.58 1.4 131 W 77 x 28 EUR 38,70 excl. VAT: € 32.52 / $ 36.10
M-BL140-390 3.9 0.65 1.4 123 W 77 x 28 EUR 43,55 excl. VAT: € 36.60 / $ 40.62
M-BL140-470 4.7 0.83 1.4 99 W 70 x 59 EUR 48,40 excl. VAT: € 40.67 / $ 45.15
M-BL140-560 5.6 0.86 1.4 101 W 70 x 59 EUR 53,25 excl. VAT: € 44.75 / $ 49.67
M-BL140-680 6.8 1.1 1.4 86 W 70 x 59 EUR 58,15 excl. VAT: € 48.87 / $ 54.24
M-BL140-820 8.2 1.1 1.4 89 W 70 x 59 EUR 63,00 excl. VAT: € 52.94 / $ 58.76
M-BL140-1000 10.0 1.2 1.4 94 W 88x75x61 EUR 50,90 excl. VAT: € 42.77 / $ 47.48
M-BL140-1200 12.0 1.4 1.4 93 W 88x75x61 EUR 57,90 excl. VAT: € 48.66 / $ 54.01
*) Pmax 8 Ohm is the maximum power that this coil is able to deliver to the bass driver.
The values are valid for free air convection and 20°C. For 4 Ohm speakers this value has to be halved.
air coils: L050 L071 L100 L140 L200 L250 L300 baked varnish coils: BL071 BL100 BL140 Silver/Gold coils: LSG050 LSG100 LSG150 Hepta strand

Coils overview
Mundorf coils Properties
Air core coils good price/performance ratio; low distortion
Baked varnish air core coils good price/performance ratio; low distortion
Copper foil coil (cfc) with excellent three-dimensionality and attention to detail; they belong to the group of exceptionally neutral .
Air-core coils made from silver/gold wire
Ferrit core coils good price/performance ratio; high inductivity
H Core Coils small impedance; high power handling
Aronit core coils
Feron i core coils small impedance; very high power handling
Zero Ohm Coils very small impedance; very high power handling