QC Twenty Four P
Valve phono preamplifier from Quad with a switchable moving magnet / moving coil input and a choice of fixed or variable line-level output. It suits analogue listeners who want to feed a range of amplifiers from a turntable.
- Valve phono preamp with 4 x 6111 valves
- Selectable MM/MC cartridge input
- Fixed and variable line-level outputs
- Three sensitivity settings for MM and MC
- Frequency response 20Hz–20kHz (±0.5dB)
- Relay input switching, transformer-based design
Φωτογραφίες
8Αγγελίες
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Πούλησε ένα τέτοιοΠεριγραφή
The QC Twenty Four P is a phono preamplifier built around four 6111 valves. A toggle switch selects between moving magnet and moving coil cartridges, and three gain settings cover cartridges of differing output. The RIAA/IEC equalised response runs from 20Hz to 20kHz within ±0.5dB.
Two line-level outputs are provided: one at a fixed level and one with a variable level control, so the unit can be used with different kinds of amplification. Unlike Quad's power amplifiers, the preamplifier circuit is a new design. It uses specially designed transformers and relay input switching, following the idea of an amplifier acting as 'a straight wire with gain'.
The unit has one selectable MM/MC cartridge input. Input impedance is 47k for moving magnet and 10 ohms for moving coil. Power consumption is 15VA maximum, and the case measures 90 x 220 x 300mm.
Βίντεο
Προδιαγραφές
- Μάρκα
- Quad
- Μοντέλο
- QC Twenty Four P
- Κατηγορία
- Hi-Fi και οικιακός ήχος › Ενισχυτές
Inputs
- Inputs
- Selectable MM/MC cartridge
- Input impedance, moving magnet
- 47k½
- Input impedance, moving coil
- 10½
Outputs
- Outputs
- 1 x Fixed line level, 1 x Variable line level
- Nominal output level (ref 5.2mV, MM, Low)
- 1.0V
Audio
- Valve complement
- 4 x 6111
- Frequency response (RIAA/IEC equalisation)
- 20Hz - 20kHz (+/-0.5dB)
- Hum and noise (mm position, input shorted)
- Better than 60dB
- High sensitivity
- 1.3mV (MM)/130µV (MC)
- Medium sensitivity
- 2.6mV (MM) / 260µV (MC)
- Low sensitivity
- 5.2mV (MM) / 520µV (MC)
Power
- Power consumption
- 15VA maximum
Physical
- Dimensions (H x W x D)
- 90 x 220 x 300mm
- Model
- QC Twenty Four P