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Details about  Consonance T1 tube pre-amplifier preamp pre-amp by Opera Audio 220V RCA 12AU7

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Consonance T1 tube pre-amplifier preamp pre-amp by Opera Audio 220V RCA 12AU7
Consonance-T1-tube-pre-amplifier-preamp-pre-amp-by-Opera-Audio-220V-RCA-12AU7
Item Sold
Item condition:
--not specified

Demo unit. NOS tubes Channel Master 5Y3 x 1, RCA 12AU7 x4, 220V.

Ended:
Aug 30, 2013
Price:
US $899.00
Best offer accepted  
This item was listed in the fixed price format with a Best Offer option. The seller accepted a Best Offer price.
Shipping:
$45.00 Economy Shipping from outside US | See details
International items may be subject to customs processing and additional charges.  help icon for Shipping - opens a layer
Item location:
default, default, Hong Kong

Description

eBay item number:
161034731577
Seller assumes all responsibility for this listing.
Last updated on  Aug 14, 2013 20:30:34 PDT  View all revisions

Item specifics

Seller Notes: Demo unit. NOS tubes Channel Master 5Y3 x 1, RCA 12AU7 x4, 220V.
Country of Manufacture: China  

The Opera Consonance T1 preamp is built and designed in Beijing China.

T1 is a no compromise all-vacuum-tube line stage pre-amplifier designed for any high quality stereo power amplifiers. T1 uses no global negative feedback offering excellent musical dynamics, impressive sonic transparency and huge sound stage. A special feature almost unheard of for tube pre-amplifiers at this price level. Cherry-wood made front panel with nature color. Letters are laser engraved.

SPECIFICATIONS:
CONTROL FUNCTIONS: Volume, Select, Power On/Off
HARMONIC DISTORTION (for 2V RMS at output): 0.08%
FREQUENCY RESPONSE: (at -1dB) 1Hz-150kHz
NPUT IMPEDANCE: 47k ohms
INPUT INTERFACES: 4 groups (RCA)
OUTPUT INTERFACES: 2 groups (RCA)
SIGNAL/NOISE: 85dB
GAIN at 1 kHz: 20dB
AC INPUT VOLTAGE: 220V
POWER CONSUMPTION: 40watt
VACUUM TUBE: Channel Master 5Y3 x 1, RCA 12AU7 x 4
DIMENSIONS: 430(L) x 236(W) x 119(H) mm
WEIGHT: 9.5kg

List price $1750 for standard version
List price $2250 for special edition

Up for your consideration is a special edition T1 pre-amp. It is a demo unit. Work great. Cosmetic condition is very good.

Point-to-point hand wired by Mr. Zhang and QC by Mr. Liu. They are owner of Opera Audio. Signatures are found inside the chassis.
Volume control upgraded to Gold Point stepped attenuator.
Coupling caps upgraded to MIT.
Rectifier is Channel Master 5Y3.
Audio tubes are 4 NOS and matched RCA 12AU7 verified by Triplett 3444.
12AU7 Gm test results:  #1 2700 2600, #2 2500 2550, #3 2500 2500, #4 2700 2650 (new tubes read 2000 2000) 

T1 review by Tom Lyle : T1 review 

We ship worldwide and try to keep your cost down. Shipping cost is $45 flat rate to all countries. Shipping is by surface mail with tracking number. Double boxed. Delivery time is normally 6-8 weeks to most places. This is a low carbon emission low cost shipping method. If you want it fast, we can ship it by air. Delivery time is normally 2-3 weeks. Airmail cost will be additional $139. Airmail cost will be billed separately if needed. 

Please ignore eBay's estimated delivery date and refer to the above paragraph only.

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