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