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  « FS: YS-Audio - Pre/Power Class A amp »
April 26th, 2024, 7:37pm
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   the Echo Loft (Buy/Sell Section)
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   [Singapore] HIFI Equipment (Buy/Sell)
   FS: YS-Audio - Pre/Power Class A amp
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   Author  Topic: FS: YS-Audio - Pre/Power Class A amp  
luvmusic77

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FS: YS-Audio - Pre/Power Class A amp
« on: October 23rd, 2017, 6:01pm »

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Class A Amplifiers for Sales.

A impulse purchase and could not accommodate into the hifi rack.

Brought it with shipping for $1,250 ->Asking Now $888 ! PM or Email to luvmusic77@yahoo.com.sg to deal

https://carousell.com/p/ys-audio-class-a-pre-and-power-amplifier -126460265/?ref=
profile&ref_referrer=%2Fluvmusic77%2F&ref_sId=20 81688

Very well made with a weight of approximately over 25kg combined.
Very clean and sweet sounding.

Specifications:
Pre-Amp
Parameters:
Product Name: Mark JC-2 preamp circuit CPI
Product Specifications: 430MM * 60MM * 300MM deep
Input and output interface: RCA
weight: 5KG
Input:  Four RCA plug
Output: one RCA plug
Features:
The whole interior map: elaborate, rational layout tidy
Power parts: power around completely independent design, dual cattle supply (transformer with a special custom-made copper wire, imported steel, power per 30VA, dual 15V)
A machine with two transformers, each channel separately supplied by a transformer, filter with a Japanese chemical Nippon KINGBOX 2200UF35V 16 sure than pure power, power supply by 337,337 after a pre-regulator
Adding a large number of fever components, ensure that the circuit is stable for a long time and tone is very important; the regulator and filter bypass added a lot of red in Weimar Germany and imported Jinpao capacitance according to which the top
Coupling part: American EC coupling capacitors, transparent sound mellow, sweet voice, tri-band balanced
Amplifier circuit: the FET K170 J74 on the tube as the input stage, pushing gold seal on the tube 2N2219 2N2905 for the amplified output, work status Pure Class, ensuring sound sweet Naiting
Input selection circuit: well-designed four-input circuit allows the shortest signal traces, respectively, by four relay control

Potentiometer Selection: potentiometers for best male enthusiasts ALPS 27 type, excellent balance, and durable.
The front panel and body part of this new version are all aluminum.

Power Amp:
Class A - 40 watts
Techinical parameters:
input voltage: 220/230v
Power : 40w
impedence:4-8 ohm
Dimension: 440 X 410 X 150 mm  





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