Name: SPL Phonos duo
Brand: SPL
SKU: 68c13cfc6801da001631aad1
Price: 22000.0 HKD
Availability: OutOfStock

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SPL Phonos duo

HK$32,989.00

HK$22,000.00

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Description

The RIAA Phono Preamplifier – Twice as nice

The SPL phono preamplifier Phonos duo expands the established
SPL phono preamplifier Phonos with a pair of balanced stereo inputs and outputs.
Phonos duo is thus even more versatile.

Whether moving magnet (MM) or moving coil (MC) cartridge systems –
the SPL VOLTAiR technology and the RIAA filter in the legendary Douglas-Self design
form the fundament for an outstanding phono sound.

Great design – a must have

Visually, the SPL Phonos duo Phono Preamplifier fits perfectly into the SPL HiFi line
Professional Fidelity – and is of course available in the three basic colors black, red or silver.

MM & MC

There are two cartridge systems for turntables:

Moving Magnet (MM) and Moving Coil (MC).

Moving Magnet

Moving magnet cartridges generate a voltage by moving a magnet between copper coils. In order to achieve the best possible linearity of the frequency and phase response, the capacitance is modified to adjust the cartridge.

Phonos duo offers six different capacities for this adjustment:

12 pF, 47 pF, 100 pF, 150 pF, 220 pF und 330pF.

Moving Coil

The moving coil cartridge is also a small electromagnetic generator. However, the magnets are firmly anchored – and the coils move between the magnets. This concept is exactly the opposite of the moving magnet cartridge. Consequently, it is not the capacitance but the impedance that is the decisive parameter in matching the cartridge.

Phonos duo offers six different impedances for this adjustment:

20 ohms, 50 ohms, 100 ohms , 220 ohms, 500 ohms and 1 kohm.

MC or MM ?

Moving coil cartridge systems are commonly regarded as the more audiophile systems, as they allow a faster and therefore a finer cartridge due to their low mass. They bring out the finest nuances of the record. The output voltage of a moving coil cartridge system is extremely low at just a few hundred microvolts and is therefore more sensitive to noise and induced hum.

The very low output voltage makes preamplifier design a challenge, because it has to be pre-amplified extremely noise-free. With up to 70 dB preamplification, Phonos duo offers one of the most powerful phono preamplifiers for moving coil systems. Thanks to SPL 120V technology, Phonos duo amplifies extremely low-noise, linear and phase-locked.

Moving coil cartridges have a very low inductance and impedance.

This means that the effects of cable capacitance (from the cartridge to the preamplifier) are not that significant. The impedance, however, is the relevant parameter here and can be set in six positions on the Phonos duo. The manufacturers specify the impedances of the cartridges. These should be followed as closely as possible.

Moving magnet cartridges, on the other hand, are more rugged and often less expensive.
The greater mass of the moving magnets causes more inertia, which results in less precise reading
of the record. However, modern moving magnet systems also use neodymium magnets, which have
a significantly lower mass. Such moving magnet systems can also keep up with
some moving coil systems in terms of accuracy.

Capacitance plays a significant role with moving magnet cartridges.

This means that the effects of cable capacitance (from the cartridge to the preamplifier)
can‘t be ignored here. The capacity for moving magnet cartridges can therefore be set to six values
on the Phonos duo to be optimally adapted to the system.