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QA-111 Tube pre-amplifier  

QA-111 Tube pre-amplifier


(Home of super hi-end
  audio with affordable price)

100% Professional hand-made



  for more details

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Designer and manufacturer of over 100 models of super hi-end
  tube pre-amp and power amp, hybrid amp, integrated amp, DAC, Buffer amp, MC/MM
  phono amp, headphone amp, hi-end speaker systems and active tube crossovers.
  Hi-end TUBE pre-amplifier start from C$480 only, even our starting model can
  easily surpass the sonic performances of those selling US$3,000-4,000 with a
  big name , 30 days cash refund guaranteed minus re-stocking and shipping (see
  terms and conditions on our website )

Address : 2909 East 2nd Avenue, Vancouver, B.C., Canada V5M

Tel: (604) 254-8133

Office hours : Tue / Wed / Fri / Sat 1:00-6:00pm (other day/time
  by appointment)

70Wrms x 2 single-ended 300B power
  amplifier (C$2,680 only)

Item for sale : QA-111-Mk2
  (detail product information please check our website )


Check out more photos at :

Descriptions : Hi-end
  pure tube pre-amplifier (use 6922 x 2 / 6DJ8/ECC88/ECC188/ECC288)

Organic circuit design,
  no transistor, no integrated circuits, all hand-wire point-to-point, no feedback
  design, pure tube. Very open, smooth , airy and detailed sound with superb musicality
  and 3D holographics soundstage, you will not get the same supreme sonic performance
  even spend several thousands on other brands.

Upper photo: QA-111-Mk2

Lower photos: QA-111-G
  ($880) Gold version



  No. of inputs : 2 sets of RCA inputs (optional: no. of inputs 1 to 12 )

No. of outputs : 1 set of pre-out + 1 set of Rec out


  Freq response: 2Hz - 150Khz (-3db)

  S/N > 85 db

  Gain : x5 to x10 depend on tube types (non-feedback design, gain depend on tubes)

  manufacturing: hand-wired point to point

  Phase : 180deg inverted (option: non-inverted )

  Input impedance: Typical 68Kohm (option: from 10Kohm to 1Mohm make to order
  with no additional cost )

Color available : Gold
  / Silver / Brass / Black / Grey / Blue / Red / Brown in MDF chassis or silver/gold
  aluminum chassis

Conditions : New
  with 1 year parts and labour warranty

Payment methods:
  Money order/ bank deposit / Email money order / check / PAYPAL (3% charge)

Ship by : UPS
  / Canada Post
, local pickup with cash/check welcome
  . Will only ship to confirmed address if pay by PAYPAL.

Shipping schedule :
  3-5 business for in-stock items, allow 2-3 wks for custom order/out-of-stock
  items. Local pickup welcome.

Satisfaction guarantee
return within 30 days in original conditions
  , full cash refund minus re-stocking fee of -20%, shipping cost will not refund.




QA-111 Tube pre-amplifier  QA-111 Tube pre-amplifier  
Item #: 2
Price: $680.00 (CAD)
Status: Available
Number in stock: 1
Location: Vancouver, BC Canada
Last update: 12 years ago
Visitors: 2419
Contact Phone: 604-254-8133