London C-91 series
AEC London C-91 series
The AEC London C-91 series consists of cartridges that were designated by Decca as Maroon (C-91), Gold (C-91 E), and Super Gold (C-91 SG). AEC (Audio Engineering Components) selects cartridges manufactured in England. Unlike the Jubilee and Reference cartridges, which are relatively new products, these cartridges are practically relics. They are built exactly the same way as the original Decca cartridges.
AEC London C-91
Specifications (according to the manufacturer)
Frequency response: 20 Hz–22 kHz (+/- 3 dB)
Channel balance: 1 dB (1 kHz)
Channel separation: 25 dB (1 kHz)
Sensitivity – horizontal: 15 × 10⁻⁶ cm/dyne
vertical: 10 × 10⁻⁶ cm/dyne
Inductance: 130 mH (per channel)
Resistance: 2,000 Ω (per channel)
Stylus tip: spherical
Load impedance: 47 kΩ (optimum 33 kΩ)
Load capacitance: 100–300 pF (optimal 220 pF)
Output voltage: 5 mV (5 cm/sec)
Tracking force: 1.5–2 g (optimal 1.8 g)
Weight: 5.5 g
AEC London C-91 E
Specifications (according to the manufacturer)
Frequency response: 20 Hz–22 kHz (+/- 3 dB)
Channel balance: 1 dB (1 kHz)
Channel separation: 25 dB (1 kHz)
Sensitivity – horizontal: 15 × 10⁻⁶ cm/dyne
vertical: 10 × 10⁻⁶ cm/dyne
Inductance: 130 mH (per channel)
Resistance: 2,000 Ω (per channel)
Stylus profile: elliptical
Load impedance: 47 kΩ (optimum 33 kΩ)
Load capacitance: 100–300 pF (optimum 220 pF)
Output voltage: 5 mV (5 cm/sec)
Tracking force: 1.5–2 g (optimum 1.8 g)
Weight: 5.5
AEC London C-91 SG
Specifications (according to the manufacturer)
Frequency response: 20 Hz–22 kHz (+/- 3 dB)
Channel balance: 1 dB (1 kHz)
Channel separation: 25 dB (1 kHz)
Sensitivity – horizontal: 15 × 10⁻⁶ cm/dyne
vertical: 10 × 10⁻⁶ cm/dyne
Inductance: 130 mH (per channel)
Resistance: 2,000 Ω (per channel)
Stylus type: line contact
Load impedance: 47 kΩ (optimal 33 kΩ)
Load capacitance: 100–300 pF (optimum 220 pF)
Output voltage: 5 mV (5 cm/sec)
Tracking force: 1.5–2 g (optimum 1.8 g)
Weight: 5.5
AEC London C-91 series POD
All cartridges in the C-91 series can be optionally equipped with a “POD.” This is an additional aluminum component that is factory-installed on the cartridge. It improves the rigidity of the housing and increases the cartridge’s weight. Cartridges with the POD installed weigh approximately 8.9 g.