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PH200
PH200
PH200
Atollموزّع معتمد

PH200

The PH200 phono is an external module which has a specific power supply composed of 2 very low noise transformers and 4 voltage regulators.

اقرأ المزيد

لمحة سريعة

جميع المواصفات
Power supply
2×7 VA
Total of capacitors
54 400 µF
Cartridges type
MM / MC
Input impedance
47 kΩ
MM gain
40 dB(*)
High-level MC gain
47 dB(*)
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نظرة عامة

The phono preamplifier PH200 has two low-noise toroidal transformers, one per channel. A steel shell electrically connected to the chassis fully shields the power supplies to avoid parasitic radiation. This shell, as well as the filter capacitors and the chassis, are treated against mechanical vibrations using a specifically adapted material. Operating consumption remains less than 2W. The printed circuit board has a chemical gold nickel finish, which optimizes signal transfer. The masses are routed in a star pattern to ensure perfect power supply noise rejection.

Eight 6800 µF low series resistance capacitors made to specifications filter the air. The RIAA filter capacitors use silver mica technology, offering highly natural timbre restitution.

The audio stages, made entirely of discrete components, have low feedback rates and are polarized in class A. They are perfectly separated (full double mono) up to the RCA output plugs. They are high-quality, directly and independently soldered onto the printed circuit to optimize signal transfer.

Each stage has two precise settings for quiescent current and offset. These stages operate on direct current, without a connecting capacitor, significantly improving the musicality.

The circuit developed specifically for the PH200 allows it to automatically adapt to any cell impedance value and, therefore, avoid any adjustment of this type.

أبرز المزايا

  • 8 mm brushed aluminium front panel.
  • Silver mica technology RIAA filter capacitors.
  • 2 very low noise linear transformers 3,5 VA each.
  • 4 regulated power supplies.
  • Total of capacitors: 54 400 µF.
  • Input impedance: 47 kΩ.
  • Signal/Noise ratio at 1 kHz: 80 dB.
  • Crosstalk at 1 kHz: < -86 dB.
  • Frequency response (20 Hz – 20 kHz): < 0,1 dB.
  • THD: 0,05%.

المواصفات

الأبعاد (العرض × الارتفاع × العمق)
440 × 295 × 63 مم
العرض والارتفاع والعمق، دون الكابلات.
رمز الطراز
ATOLL-PH200
اذكره عندما تسأل أحد المختصين.

Connectivity

Ground
1 Module signal output. 1 Turntable signal input. Settings block (Left channel). Settings block (Right channel). 1 12V Trigger Input.

Technical data

Power supply
2×7 VA
Total of capacitors
54 400 µF
Cartridges type
MM / MC
Input impedance
47 kΩ
Input capacity
Nothing / 100 pF / 220 pF / 320 pF(*)
MM gain
40 dB(*)
High-level MC gain
47 dB(*)
Low-level MC gain
60 dB(*)
Signal/Noise ratio at 1 kHz
80 dB
Crosstalk at 1 kHz
<-86 dB
THD
0,05%
Dimensions
440×295×63 mm
Weight
5 kg (*) Depending on the switch position. (Data subject to change).

ملفات للتنزيل

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