Sylvania  NOS JAN 6SL7WGT Black Plate Chrome Top Strong & Balanced Gm  Results Vintage Vacuum Tube

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ATTENTION BUYERS - Please Read Our Shipping Terms, Our Testing Standards, Our Return Policy (3 Day Any Fault) and Read Our Great Reviews.

At Fuzz Audio:

·      All tubes are tested on a calibrated Hickok 539b.

·      3 Day Money Back Guarantee

·       All power and preamp are tubes tested for Mutual Conductance (Gm)

·      Do not buy power or  preamp tubes that have been tested solely  on an emissions tester or “tube checker”- this is an inadequate test.

Tube Type / Number: 6SL7WGT
Actual Brand*
:  Sylvania (poor lettering- plates are the give away)
Printed Brand
: Poor Lettering 

Joint Army Navy (JAN): Yes

Notes: Great NOS JAN 6SL7 for a nice price. 

Quantity:  1
Plate Construction
:  Black Slanted Plates 
Getter Construction
: Chrome Top

Glass: Chrome Top

Base: Brown

Country of Manufacturer: USA
Visible Date Codes
:  No
Lettering Condition
: 5% (6SL7WGT on top)
Boxes
Unoriginal

Contrary to popular belief- roughly 70% of all manufactured vacuum tubes did not come individually boxed. VIVA tubes gets this wrong, shows what they know… Most tubes were manufactured for industrial use and therefore tubes were shipped and stored in large cardboard boxes with lipstick dividers.

Test Results: 

2100 | 2200 Gm

Matched tubes should be within 5% Gm value of one another. This only applies to power tubes.

 

Minimum Good Value:  1050 Gm
NOS Test Value
:  1150 Gm
Life Test
: 100%

Sound Test (10 Being Most Silent): 10

Tests as NOS?: Yes
True NOS?*
: Yes

Tube Depot Price: Not in stock. $50-80 ea.

 

**Our Testing Standards:

Fuzz Audio tests each tube thoroughly.

-First we use a B&K 607 Emissions Tester for leakage and shorts.

The 607 is one of the best leakage and shorts testers made. It’s leakage test is extremely sensitive compared to a Hickok’s and adds 8 more short tests to the Hickok 539B’S 5 short tests.

Next, after a tube has passed testing on the B&K, we test for microphonics, mutual conductance and preform the Life Test on a calibrated Western Electric KS-15560-L1 (Hickok 539B).

Hickok 539B tests include:

Sound Test- During the Sound Test, 5 additional short tests are conducted as each tube is tested under real life conditions, connected to a sensitive radio antenna and listened to (the antenna picks up even the smallest discharges of current flow that would not power a light indicator or register on any multi-mete). Of course, we do this to make sure the tube has no unwanted microphonics in the tube. This test result is given in a score from 1 – 10 where 5 is reject and 10 is as silent as possible.

Next is, the bread and butter, patented Hickok Gm test:

The 539B meter reads in Gm instantaneously on the most sensitive Gm tube tester ever made. No random numbers that require you to calculate backwards, forwards or sideways. We give it to you in Gm and accurately. If someone says Gm value 92 they either need to do some more calculations for you or the tube is bad. A typical Gm value (especially if the tube is good) is above 1000. For example, a 6v6 has minimum Gm of 2350.

The very final test we conduct is the life test:

With the Gm test button depressed- the current flow to the tube is reduced by 20%. Hickok says that a tube “passes the life test” if the tube reads no less than 20% of its original Gm value. At Fuzz Audio we reject a tube with > 5% depreciation of initial Gm value or label it used.

****However, understand that to truly know how a tube will perform you have to plug it in and use it! With that said, we offer returns in the off chance we missed something- but it hasn’t happened yet!******

Shipping:

All orders shipped within 2 business days. Enquire for express shipping. International shipments MAY take a few weeks to arrive.

Tubes are packed with utmost care.

Return Policy:        

3 day returns- any fault.

We do not consider buyer’s remorse a fault.


Caractéristiques du produit

État
Excellent (Occasion)
Les articles en état « excellent » sont presque entièrement exempts de défauts et ont été joués ou utilisés avec le plus grand soin.en savoir plus
Marque Sylvania
Modèle NOS JAN 6SL7WGT Black Slanted Plate Chrome Top Strong & Balanced Gm Results Vintage Vacuum Tube
Catégories Pièces détachées pour amplis, Tubes
Fabrication États-Unis

Very pleasant transaction. Product is good! Packaging was AAA. They even added cotton in the tube boxes.

Robert W. - March 01, 2020

Items arrived exactly as described and fast shipping - Excellent Reverb Seller and would definitely do business with Fuzz Audio again!

Thomas S. - February 27, 2020

Moyens de paiement acceptés

Politique d’expédition

Disponible pour retrait sur place de Englewood, CO, États-Unis

Expédie de Englewood, CO, États-Unis vers :

États-Unis continentaux
€5,22EUR
Partout ailleurs
€15,18EUR

I will ship with tracking to the listed regions. To negotiate shipping rates to other locations, please send me a message.

Politique de taxes

Les taxes sont facturées dans les régions suivantes soit par le vendeur, selon sa politique fiscale, soit par Reverb en tant que facilitateur de marketplace :

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*État facilitateur de marketplace. Reverb perçoit la taxe au nom des vendeurs. En savoir plus

Politique de retour

Date limite de retour

Ce produit peut être retourné dans les 30 jours suivant sa réception.

Conditions générales

Les articles doivent être retournés dans leur état d’origine, tels que livrés avec l’ensemble de l’emballage d’origine, et sans aucun signe d’utilisation. L’acheteur assume l’entière responsabilité des frais d’expédition pour le retour, à moins que l’article n’ait pas été reçu conforme à sa description.

Remboursements

L’acheteur reçoit un remboursement intégral dans son mode de paiement initial moins les frais d’expédition et 3 % de frais de restockage.

Conditions particulières

We will work with you!

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La Protection Reverb vous couvre en toute circonstance. Nous offrons un lieu sécurisé pour les acheteurs et les vendeurs.

Fuzz Audio

Englewood, CO, États-Unis
Membre depuis : May 2019

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