YS AudioBalanced A2 PlusYS Audio Balanced A2 Plus Upgraded What you are looking at is a rare factory upgraded fully balanced, zero negative feedback, remote controlled tube preamplifier.  This is my second preamp from YS Audio.  I started out with the bas...1245.00

YS Audio Balanced A2 Plus Upgraded

Listing ID: lis7ehj1 Classified 
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YS Audio
Time Left: 18 Days

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Asking Price: $1,245.00

Buy It NowMake Offer
Condition
9/10
Payment methodsPaypal-card
Ships fromColfax, CA, 95713
Ships toUnited States
Package dimensions21.0" × 18.0" × 10.0" (21.0 lbs.)
Shipping carrierUPS
Shipping cost$36.00
Original accessoriesRemote Control, Box, Manual
Agon-miniAverage Research Pricing

 What you are looking at is a rare factory upgraded fully balanced, zero negative feedback, remote controlled tube preamplifier.  This is my second preamp from YS Audio.  I started out with the base model and was so impressed I had Nelson Chui build me a modified version with upgraded caps.  

This model sports upgraded solid aluminum feet with rubber ring.  Dampening pads added to top plate, side walls and other flat surfaces as pictured.  Signal caps are Mundorf Silver/Gold/Oil and Audiocap.  HiFi Tuning silver fuse.  I have stock set of signal tubes with zero hours.  Philips ECG 5687wb tubes have about 150 hours on them.  Upgraded JJ 12AU7's have about 300 hours.  Lastly I upgraded driver tubes to highly regarded Holland 7119 tubes - these by far were the best of the upgrades and would never go back to basic 5687's after hearing these (cost me $150 for matched pair) 150 hours on these and they last much longer than standard 5687's.  You get all 12 tubes with purchase. 

I bought, had made special for me June of this year.  I have power cord, remote, manual, original packaging.  I'm planning to go up another level in YS Audio line of preamps, best performance for money I have experienced.  Total out the door price with all upgrades and tubes cost me $1665.  You are buying a barely broken in tube preamp that will outperform or match BAT's, Modwright and ARC LS models. 

Buy with confidence, I'm a regular on Audiogon, have posted and shared my systems on forums.  I get bored easily and change components every few months, always trying to move further up in models.  I have original emails and invoices with Nelson.  This unit has been used with two different Audio Research amplifiers and modified ZU Omen Def speakers.  The zero negative feedback design was not an issue for my 101 db efficient speakers.  

More information;  This is a sleeper product that only a handful of US audio enthusiast know about right now, but there are terrific owner reviews available on the web. 

http://www.enjoythemusic.com/magazine/equipment/0910/ys_audio_audio_experience_a2_se.htm

http://www.ys-audio.com/ys-audio_eng.htm

No Paypal fees to buyer!

Specifications

Controls : L Gain , R Gain , Main Volume , Input Selector , Power On/Of

Remote Control : input select , volume control , mute 

Output :  Two Main with XLR / RCA , One Record with XLR / RCA ,

Input : L1 , L2 , L3 , L4 with XLR / RCA , Processor with XLR / RCA ( HT/BP )

Output Impedance :  500 ohms Balanced , 250 ohm SE Main.
Recommended load:  10K ohm or greater ( Balanced ) , 5K ohm or greater ( SE ). 

Frequency Response:  15Hz ~ 85KHz(-0.5dB)

T.H.D : <0.03% (20Hz ~ 20KHz /2V)

Input Impedance: 100K ohm XLR

Gain (Gain and Volume controls at MAX) :
20dB at XLR input to XLR output.   20dB at RCA input to XLR output.
14dB at XLR input to RCA output.   4dB at RCA input to RCA output.

S/N: >98dB

Channel Balance: <0.2dB(20Hz ~ 20KHz /max output)

Channel Separation: >92dB(2Hz ~ 20KHz)

Phase Mode : Normal

Max Output : 25V

Line-Stage Tubes : 4pcs 12AU7 , 2pcs 5687WB

Dimension: 455mm x 350mm x 120mm (W x D x H)

Weight: 8.7kg

Power Source: 110-127/220-240V,50/60Hz

Full Balanced Design

One High grade 5687WB tube and Two 12AU7 tubes for each channel

Remote Control with input select , volume control , mute 

All input and output both with XLR and RCA

(4) stanard inputs , (2) sets of main outputs and (1) Record out.

(1) Processor input with Home Theater Bypass loop (HT/BP)

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Return Policy
Return Window

Item can be returned within 7 days of receipt.

General Terms

Items must be returned in their original condition, with all included packing materials and no signs of use. Buyer assumes responsibility for all shipping return costs unless the item was not received as described.

Refunds

Buyer will receive a full refund in the original payment method less any shipping charges.

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