🎁 Final Month Special: 15% OFF + Free Shipping on Most Items! Don't Miss Out - Shop Now! ✨

Shopping Cart

Sub Total: $0.00
Total: $0.00
Checkout

Search Products

  • Home
  • /
  • Preamp tubes
  • /
  • (!!) UY-227 RCA Radiotron Balloon used/good 1930 era (3.8ma)
(!!) UY-227 RCA Radiotron Balloon used/good 1930 era (3.8ma) Image 1
View
(!!) UY-227 RCA Radiotron Balloon used/good 1930 era (3.8ma) Nav Image 1

(!!) UY-227 RCA Radiotron Balloon used/good 1930 era (3.8ma)

$12.99 $14.99


Tags:

1930's 227 27 Balloon Cunningham Fada preamp tubes RCA Tungsol UY-227


Categories:

Preamp tubes
Estimated Delivery:
0 people are viewing this right now
Guaranteed Safe Checkout
Trust
Trust

  • Description

UY-227 RCA Radiotron Balloon used/good 1930 era - very tiny rattle inside base

3.8ma

Gm=800

 

Tested on Amplitrex

Vplate=250V

Vgriod=-21V

NOS Ma = 4.6-5ma

NOS Gm=900

You May Also Like

product-img

WL-0B2 Westinghouse NOS 1960 (argon gas) (1 in stock)

SHOP NOW
product-img

2B7 Arcturus NOS 1940's (2 in stock)

SHOP NOW
product-img

6DJ8 GE NOS 1964 orange printing (12.6/16.4ma)

SHOP NOW
product-img

(!!!) (Best Value Single) 12AX7 Triotron by Philips Canada NOS 1963 (1.3/1.5ma and Gm=1800/1900)(same sound as Holland)

SHOP NOW
product-img

RL12P35 Telefunken Germany Wehrmacht NOS 1944 (120ma) (tested on Amplitrex)

SHOP NOW
product-img

EM84=6FGG Toyo Japan like new 1960's

SHOP NOW