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SPL Phonos - RIAA Phono Preamplifier with VOLTAiR Technology (Silver)
The silver Phonos RIAA Phono Preamplifier from SPL is designed for use with record players using either MM (ong magnet) or MC (ong coil) cartridges. The equalization curve is according to RIAA and suitable for all vinyl records. It offers up to 71.5 dB gain for MC cartridges and 50 dB gain for MM cartridges.
The preamplifier uses proprietary VOLTAiR technology (240V rail technology) to offer a high voltage of 240V (+/-60 VDC). The 240V electronics operate quasi idle even at highest audio levels and impulse peaks. They never operate on the limit and therefore never get stressed. The music presents itself with a pleasant serenity and realness.
The purpose of the RIAA equalization, which is a form of pre-emphasis on recording and de-emphasis on playback, is to permit greater recording times by decreasing the mean width of each groove, to improve sound quality, and to reduce the groove damage that would otherwise arise during playback.
240V rail phono preamplifier for record players
RIAA equalization
Suitable for MM (ong Magnet) and MC (ong Coil) cartridges
Maximum preamplification of 51 dB (MM) and 70 dB (MC)
Styroflex condensers used throughout the RIAA equalizer
Gold-plated RCA inputs and outputs
Audio ground connection for record player
Switchable rumble filter (subsonic)
Standby/power on switch
Linear power supply with toroidal transformer
Front and lid made from aluminum
Housing made from sheet metal
The silver Phonos RIAA Phono Preamplifier from SPL is designed for use with record players using either MM (ong magnet) or MC (ong coil) cartridges. The equalization curve is according to RIAA and suitable for all vinyl records. It offers up to 71.5 dB gain for MC cartridges and 50 dB gain for MM cartridges.
The preamplifier uses proprietary VOLTAiR technology (240V rail technology) to offer a high voltage of 240V (+/-60 VDC). The 240V electronics operate quasi idle even at highest audio levels and impulse peaks. They never operate on the limit and therefore never get stressed. The music presents itself with a pleasant serenity and realness.
The purpose of the RIAA equalization, which is a form of pre-emphasis on recording and de-emphasis on playback, is to permit greater recording times by decreasing the mean width of each groove, to improve sound quality, and to reduce the groove damage that would otherwise arise during playback.
240V rail phono preamplifier for record players
RIAA equalization
Suitable for MM (ong Magnet) and MC (ong Coil) cartridges
Maximum preamplification of 51 dB (MM) and 70 dB (MC)
Styroflex condensers used throughout the RIAA equalizer
Gold-plated RCA inputs and outputs
Audio ground connection for record player
Switchable rumble filter (subsonic)
Standby/power on switch
Linear power supply with toroidal transformer
Front and lid made from aluminum
Housing made from sheet metal
SPL Phonos Specs
| Inputs and Outputs | RCA, unbalanced, gold-plated Input Impedance (MM): 100 kOhms Input Impedance (MC): Switchable Output Impedance: < 5 Ohms Crosstalk: -80 dB (at 1 kHz) |
| Filter | RIAA equalizer (after Douglas Self) |
| Gain | Switchable: Normal, -10 dB, +4 dB |
| Preamplifier | Moving Magnet (MM) Preamplifier Amplification: 46 dB (Normal), 36 dB (-10 dB), 50 dB (+4 dB) Switchable Capacitance: Off, 150 pF, 220 pF and 330 pF Noise (A-weighted): -85.3 dB |
| Amplifier | Moving Coil (MC) Amplifier Amplification: 67 dB (Normal), 56 dB (-10 dB), 71.5 dB (+4 dB) Impedances: 100, 220, 470, 2k2, 4k7, 10 kOhms Noise (A-weighted): -61.7 dB |
| Operating Voltage | Internal Operating Voltage: +/- 60 V |
| Power Supply | Mains Voltage (Switchable): 230 VAC / 50 Hz or 115 VAC / 60 Hz Fuses: 230 V: T 500 mA; 115 V: T 1 A Power Consumption: Maximum 30 VA Standby Power Consumption: 0.7 W |
| Dimensions | With Feet: 10.95 x 2.24 x 13" (278 x 57 x 330 mm) |
| Weight | 7.05 lb (3.2 kg) |
In the Box
- SPL Phonos - RIAA Phono Preamplifier with VOLTAiR Technology (Silver)
- 2-Year Manufacturer Warranty
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