Lowther C Series
The C series of drivers are a budget version of the Lowther drivers. The ferrite magnets allow a reduction in cost, with most of the benefits of the Lowther sound. The character of the high frequency response changes with magnet strength and type. The PM2C has better high frequency response than the PM6C. The DX2 is sonically superior to the PM2C, but costs the same price. The PM6C is the best compromise between performance and price.
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SPECIFICATIONS
|
45C |
55C |
PM6C |
PM7C |
PM2C |
|
|
Overall Diameter |
17.4 cm |
17.4 cm |
23.2 cm |
23.2 cm |
23.2 cm |
|
Overall Depth |
5.6 cm |
5.8 cm |
7.6 cm |
7.6 cm |
7.8 cm |
|
PCD Mounting Centres |
15.6 cm |
15.6 cm |
20.8 cm |
20.8 cm |
20.8 cm |
|
Baffle Hole cut-out |
14 cm |
14 cm |
19 cm |
19 cm |
19 cm |
|
Voice coil diameter |
3.9 cm |
3.9 cm |
3.9 cm |
3.9 cm |
3.9 cm |
|
Voice coil impedance (nominal) |
8 ohm |
8 ohm |
8 ohm |
8 ohm |
8 ohm |
|
Air gap width |
1 mm |
1 mm |
1 mm |
1 mm |
1 mm |
|
Magnet type |
Feroba 2 |
Feroba 2 |
Feroba 2 |
Feroba 2 |
Feroba 2 |
|
Flux density (I Tesla=10,000 Gauss) |
1.75 Tesla |
1.98 Tesla |
1.75 Tesla |
1.98 Tesla |
2.1 Tesla |
|
Diaphragm |
Twin Paper |
Twin Paper |
Twin Paper |
Twin Paper |
Twin Paper |
|
Frequency response |
80 Hz-20kHz |
80 Hz-20kHz |
30 Hz-20kHz |
30 Hz-20kHz |
30 Hz-20kHz |
|
Nominal air resonance |
60 Hz |
80 Hz |
36 Hz |
36 Hz |
36 Hz |
|
Sensitivity at 1m/1kHz/1 watt |
93 db |
94 db |
95 db |
96 db |
97 db |
|
Maximum voice coil travel |
± 1 mm |
± 1 mm |
± 1 mm |
± 1 mm |
± 1 mm |
|
Shipping weight |
2.5 kg |
3.0 kg |
3.0 kg |
3.5 kg |
4.0 kg |
All drivers can be ordered with Silver Coils