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FOR SALE: Vintage 1960's Philips Amperex Electrohome 12AX7 / ECC83

Item #649303732
Info: Vintage 1960's Philips Amperex Electrohome 12AX7 / ECC83

Asking Price:
CAD $120.00
Retail Price: CAD $200.00
Payment method: Cash, Paypal, Money Order, Money Wire, Interac/EMT
Condition: 9 - Excellent (?)
Date Posted: Oct 17, 17 11:14am (PST)
Edited: Mar 10, 18 7:18pm
About Seller: David Dov
David Dov is a premium user
North York,Toronto, ON
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Very nice 1960's Philips Amperex branded Electrohome 12AX7/ECC83/7025 tubes
Great sounding Philips Amperex Electrohome branded tubes.
These are made by Philips Amperex stamped Electrohome in the1960's.
Today Amperex Bugle Boy' currently sell for $200.00 a matched pair
These were made exactly the same as Amperex Bugle Boys, however were destined for use in Electrohome and other brand's tube organs
as they were sold wholesale back then for such.
Each tube is available @ $70.00 each tube, or $120.00 / matched pair!

They have been tested on a calibrated B+K tube tester
Min 725 Max 1150.

Tube 1: Test results 1250/1200
Tube 2: Test results 1275/1150

All test very good with no gas or shorts.

Each tube is available @ $70.00 per tube, or $120.00 / matched pair!

These tubes have great sonic detail ,musical tones, and are most sought after for use in pre amp or phono stages/where low noise and balanced sections are desired!

Very quiet(low low noise) excellent sounding tubes!

For sale are all vintage NOS 12AX7/ECC83/7025 tubes
from the 1960's.

The 7025 tube is a low-hum, noise and microphonics version of the 12AX7

Which you can read about here:



Each tube has been tested individually and they all work great and sound fantastic!

1. Pair of date code matched Philips stamped Electrohome manufactured exactly as are the Amperex Bugle Boy 12AX7 tubes.

Tested on a calibrated B+K with no gas or shorts.

Will ship to anywhere in Canada.
For orders less then or under $160.00 shipping is $15.00 for 1- 4 tubes to anywhere in Canada at buyers expense
*However; with all purchases of $160.00 or more, shipping to anywhere in Canada is on me!
Shipping is @ cost by Canada Post.

**Please read my CAM profile re: shipping policies

Payment is by: Cash, Interac-EMT, Canada Post Money Orders only on all shipping orders.
Paypal add 4%.
Cash on local GTA pickup

2. Also we have many vintage 12AT7 Black Plate tubes:

$35.00 each
$50.00 a pair


3. Excellent sounding 12AU7A tubes
Manufactured at the Philips factory on Mullard tooling.
They have the 4 seams on top and many have the Mullard flash and share very similar sonics and are a great value.
These are selected organ grade tubes.
Tested on a calibrated B+K with no gas or shorts.
All test over 100 and the sections are quite close,
test results below
Many pairs available.

See test results below:

Tube #1 - 109/107

Tube #2 - 110/107


Will ship to anywhere in Canada.
For orders less then or under $160.00 shipping is $15.00 for 1- 4 tubes to anywhere in Canada at buyers expense
*However; with all purchases of $160.00 or more, shipping to anywhere in Canada is on me!

**Please read my CAM profile re: shipping policies

Payment is by: Cash, Interac-EMT, Canada Post Money Orders only on all shipping orders.

Cash on local GTA pickup

ATTENTION all CAM member tube shoppers...
Finding the right tube for your amp/pre amp,you will find that there will be a lot of different opinions ....
Many times all the answers are right.
The complications can be is some tubes can be very system dependent so it will depend on your system as to which tubes sound the best.
We all desire quiet nice sounding tubes.
Why are some tubes noisier then others,or quieter in certain amps and not in others?
Audio tubes need to settle in and then will get better once burned in.
Definitely buy from a reputable dealers!
If you're going to be into tubes, its always beneficial to develop a relationship with dealers you can trust.
If you want to find the best sounding tube for your system and don't mind spending $$, then buy several brands/types and listen for yourself.
Each brand tends to feature characteristics that may appeal to you and match well with your unit, others not so much so there really isn't one 'best-sounding' tube out there as its very dependent on the application.
Also, while these super rare and uber-expensive tubes do sound great, they're best implementation is in sensitive pre amps and phono stages Remember, a good portion of their cost can be attributed to their scarcity, not just their sonics.
They really don't stand out in the usual amplifier's driver stage and in most other gear, a similar but substantially more common NOS tube of the same manufacturer will provide all but maybe the last 1% of the sonics of the super tubes at a much lower price.
Although improving, still many of the new tubes made today in Europe, China and Russia only reproduce random varied harmonics.
This can be why most of us upgrades to a vintage made tube made decades ago when these rare inner earth metals were available in the inside construction of the vintage tube.
These metals have become too expensive to use and today’s tube makers have found cheaper substitutes which seem to work but do not reproduce all the nuances and textures in music! ...

Additional Information:

Nov 24, 16 7:55pm
12AX7 Vacuum Tube Reference Information
ECC83: This European nomenclature for 12AX7.
ECC803/ECC803S/E83CC: This "premium" version of European made 12AX7. The "S" on the ECC803S indicates "select" and are usually gold pin. These are usually found on Telefunken and Siemens branded tubes and a very rare Radiotron ecc803S version from the Philips factory in Australia.
12ax7: Original version of the 12ax7. Early production was manufactured in the USA by Tung Sol, RCA, Sylvania, GE etc. The earliest 12ax7 have larger 17mm plates. The 12ax7 version without an "A" suffix is to be used only in parallel filament circuits, so do not use these in a “series” circuit. This is an unusual problem to run into as they are normally found in TV sets. The best way to tell if your circuit is a series circuit is by examining all of the tubes and looking at the voltages (voltages other than 6 and 12 volts). If all tubes in your circuit start with 6 or 12 (except for 5 Volt rectifiers) , then it is a parallel.
12ax7a: Can be used in series or parallel circuits. Many manufacturers marked 12AX7's as 12ax7 without the “A” suffix well into the 60's and 70's, but these are most often 12AX7A's marked as 12AX7.
12AD7: Non-microphonic/low hum version of the 12AX7 made by Sylvania and NEC in Japan. Great for audio applications that uses a 12AX7.
12DT7, 12DM7, 12DF7: Special quality low noise/low microphonic versions of the 12AX7. Usually branded as Westinghouse or Raytheon.
7025: Hifi low noise version of the 12AX7 with all other specifications being the same as 12AX7. Tubes marked with both 12AX7 and 7025 are usually low noise as well.
5751: Military version/drop in replacement for the 12AX7, but is actually different. The 5751 has identical plate resistance to the 12AX7, but the gain is 70 compared to 100 for the 12AX7. Early production 5751 have extra thick mica spacers (often three know as triple mica) and extra support rods to minimize microphonic response. Many 5751 also have matched triode units.
7729: CBS made industrial version of the 12AX7 with gold pins for special applications requiring reliability and low noise/low microphonics.
6681: The mobile version of a 12AX7. Usually these are the same as a regular 12ax7 which have been tested and screened to perform well in circuits with large variations in filament voltage.
7058: Same as a 12AX7 but with a 13.5 volt non-tapped filament. Can be used in circuits which do not utilize the 6.3V filament tap. Performance is same as regular 12ax7.


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