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(!!!) 242 Duovac USA brass base used/tests like new 1930’s small slit in plate (120ma) Sale

Original price was: $999.99.Current price is: $400.00.

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SKU: US-8255623627004 Categories: ,
Description

Description

(!!!) 242 Duovac USA brass base used/tests like new 1930’s small slit in plate (120ma)

242 Duovac USA brass base used/tests like new 1930’s small crack in plate – you can see filament glowing through small slit – see photo – does not effect tube performance

120mA

Gm=4800

SINGLE TUBE, NOT A PAIR

 

 

Tested on Amplitrex

Test Data: Vplate=500V

Vgrid=-1V

Iplate (mA) NOS range 100-120ma

Gm NOS = 4000

  

General Info

242 is Duovac’s version of 242A WE

242/242A: Vplate=1000V max, Iplate=90ma max, u=12.5, work best at 900V and 55ma in SE amp
242/242A will work in PP amp at 1100V and low plate current of 10-15ma

You cannot sub a 242 for a 211

 

Additional information

Additional information

Title

242 Duovac
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.