This Amplitrex AT1000 Has Been Sold!
Amplitrex AT1000 Tube Tester For Sale
(Provides laboratory grade testing under microprocessor control)
Only A Few Months Old
Purchased New Direct From Amplitrex
I’ve Tested Less Than 100 Tubes With This Tester
In Like New Factory Condition
Meticulously Stored In A Climate Controlled Non-Smoker Studio
I paid $2,977 for this tester.
My selling price is SOLD!
This Amplitrex AT-1000 is without question the best tube tester available today and can help you to either build an incredible tube sales business or help you to test your tube collection to make sure your tubes parameters are fully known and test results are accurate. Old testers are not dependable and have numerous problems. This tester is state of the art and will provide real world solid results.
I’ll pay for shipping cost via FedEx ground (Continental US Only) and you pay the PayPal Fee of 3.5% if you choose to use PayPal. A bank cashier’s check or postal money order is also acceptable. Please contact me if you have any questions. This tester is in beautiful like new condition. I had the 9 pin socket saver installed by Amplitrex at the factory before shipping to me a few months ago.
This is the new version of this tester with a USB2 port to connect to your computer instead of the old RS232 port connection.
I will ship the tester software DVD plus the various cables and power cord that come with the tester in the original factory box. You will find that this tester is no different than what you would order from Amplitrex and it looks like new with no scratches or abuse whatsoever. Here’s your chance to save some money on one of the finest tube testers available anywhere! It’s not even broken in yet.
Here’s a link to my website page where I’m also listing this incredible tube tester:
The Amplitrex AT-1000 is the state of the art computerized tube tester and one of the only tube testers ever produced that is able to work independently and has custom interfaced software for PC operation.
The Amplitrex AT-1000 is a current production tube tester and unlike tube testers built 35 to 55 years ago, the Amplitrex offers laboratory grade testing under microprocessor control and makes it possible to check a tube according to the original manufacturers design specifications.
Even more valuable is the ability to duplicate real world amplifier parameters. With the Amplitrex AT-1000, you will be able to test tubes under the same conditions they are subject to within any amplifier.
BENEFITS OF TESTING TUBES ON THE AMPLITREX AT-1000◦ Your tubes are sure to be dependable
◦ Audio tubes are certain to sound good
◦ Tubes graded on the Amplitrex are known good and are going to last longer
◦ N.O.S Pre amp and Power tubes are worth what you paid for them
◦ An audio noise test is performed and only low noise tubes are passed
◦ The Amplitrex assures your tubes are not contaminated internally
◦ Peace of mind that your tubes are certain to work without question
◦ You can get your tubes exactly matched so you can keep spares that do not need to be re biased by a technician
◦ Your tubes are going to make plenty of clean power
◦ Your tubes will not make extraneous sounds
The tester will operate in the stand alone mode or when connected to a micro computer. When operated by an external computer it provides a greater level of testing with operator control over many different tests. Please review the PDF files below to see the capabilities of the tester. This tester was designed primarily for the audio industry.
Input Power:105-120 VAC or 208-240V (specify when ordering) 50/60 Hz at 2 amperes maximum
Heater Supply:1.0 to 12.6 VDC, regulated, at up to 3.5 amperes
Plate Supply:90 to 500 VDC, regulated, at up to 160 mA (45 - 425V on special order)
Screen Supply:90 to 500 VDC, regulated, at up to 160 mA (45 - 425V on special order)
Control Grid Supply:-0.5 to -150 VDC, regulated
Heater-to-Cathode Leakage:200 VDC, negative on heater relative to cathode, limited to 1 mA, maximum sensitivity is 1.0 uA
Small Signal Diode Test:200 VDC, 1 uA to 1 mA fwd/reverse
Rectifier Tube Test:550 VCT RMS (nominal) applied to tube plates. Load is approx. 120 mA peak, measures forward and reverse peak voltage drops for both sections.
Mutual Conductance Test:0.05 mA/V to 50 mA/V (50 to 50,000 uMhos) with 1 kHz applied to control grid at 0.1 or 1.0V RMS
Shorts Test:Tube is continually evaluated for shorts during the test sequence
Gas Test:Detects effects of ionic gas current on grid circuit impedance
Tube Sockets:4-pin, 5-pin and 6-pin ‘small base’, octal, and 7 and 9-pin miniature high quality NOS Micalex and ceramic sockets are provided. No Compactron sockets are present, but some Compactrons can be tested with an (optional) adapter.
Tube Life Test:Using Reduced Heater Voltage (user-programmable)
User Interface:5 menu navigation keys, UP, DOWN, LEFT, RIGHT and ENTER along with a 4-line x 40-character backlit LCD display
Thermal:Specified for operation at 0 to + 40 degrees C, fan cooled, thermostat protected
Included Accessories:Power cord, a set of plate/grid cap connectors, user manual and data and upload files on CD ROM
Dimensions and Weight:14.75" W x 12.25" D x 6.75" H 18.5 lbs
Compliance:Designed to comply with UL/CSA standards. EMC tested for compliance under FCC and EC requirements
