Back
Previous product
(1 PAIR) NE-408A Northern Electric Canada NOS 1972-1974 (83/60 and 85/60) on Sale Original price was: $49.99.Current price is: $29.99.
Next product
(1 set of 10 tubes) 448A Western Electric "TIPPED TOP" used/good 75-85% with "D" getter 1965-1966 For Sale Original price was: $479.99.Current price is: $192.00.
-60%
Click to enlarge

(1 set of 10 tubes) 448A Western Electric “SMOOTH TOP” used/test like new/85-95% output with “D” getter 1960-1971 Online Sale

Original price was: $399.99.Current price is: $160.00.

Add to wishlist
Compare
SKU: US-382549984 Categories: ,
Description

Description

(1 set of 10 tubes) 448A Western Electric “SMOOTH TOP” used/test like new/85-95% output with “D” getter 1960-1971

1 set of 10 tubes) 448A WE “SMOOTH TOP” used/test like new/85-95% output with “D” getter 1960-1971

$399.99 for 10 tubes

Tested on Amplitrex

1) 25ma Gm=25,500

1) 23ma Gm=25,600

1) 26ma Gm=24,000

1) 23.2ma Gm=23,500

1) 27ma Gm=24,600

1) 25.5ma Gm=23,600

1) 27ma Gm=24,600

1) 22.6 Gm=25,300

1) 26.2ma Gm=29,100

1) 25ma Gm=25,000

 

Vplate=135V

Vscreen=135V

Vgrid=-2

Good Ma range 20-30ma

Good Gm = 23,000 – 27,000

 

 

Shipping & Delivery

We accept returns on non-sale items that are in original packaging, unused, and unwashed within 30 days of receipt. Please follow our returns/exchanges process below. If items do not meet our requirements for return, they will be shipped back to you in lieu of a refund. Shipping and handling charges are non-refundable (exceptions may apply).

Returns & Exchanges Process: If item(s) fit within our returns guidelines found in the Returns. Please allow 7-10 business days for the credit to appear on your account after your return is processed.