P7 Transistor HIFI Audio Preamplifier in Amplifier from Consumer Electronics

P7 Transistor HIFI Audio Preamplifier in Amplifier from Consumer Electronics
P7 Transistor HIFI Audio Preamplifier in Amplifier from Consumer Electronics
P7 Transistor HIFI Audio Preamplifier in Amplifier from Consumer Electronics
P7 Transistor HIFI Audio Preamplifier in Amplifier from Consumer Electronics
P7 Transistor HIFI Audio Preamplifier in Amplifier from Consumer Electronics

Product Specification

Brand Name: qingdanyuan audio

Model Number: P7 Preamplifier

Channels: 2 (2.0)

Maximum Power Per Channel: NO POWER

Package: No

Description:

P7 Transistor HIFI Audio Preamplifier Assembled Clone SC-7S2 PRE AMP

Product Description
 

P7 preamplifer reference the SC-7S2 circuit, Using a new generation of buffer amplifier with independent modules "HDAM - SA", reduce the impedance of the current feedback circuit, the more high speed of the circuit, the HDAM-SA circuit speed and control better, the sound performance from a generation of "HDAM" better. structure is complicated, but everything is the good sound.

The core with 30 pairs original A970/C2240 transistors
Used much hi-end capacitors, such asBC, ELNA SILMIC II, nichicon KZ MUSE and so on
With ALPS16 potentiometer

Full Aluminum chassis
The resistors is Philips with copper feet

- Input voltage: AC 220V 50/60Hz(Default 220V, others version give us message, like 110V/115V/120V/220V/230V/240V )
- Gain: 6 ( perfectly with a variety of amplifier)
- SNR: 108DB
- Size: length:250mm wide:158mm  high:58mm

Note:

Default the A970/C2240 transistors not matched, you can upgrade matched precisely in 2%(six pairs form a group), add $18USD.
 

Package included:  P7 preamplifier finished x1 (No power cord is included)
 _20180803100640
Detail Pictures Of Product
 TIM20180803164358_20180803100618_20180803100544_20180803100550_20180803100559_20180803100612
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