Browse Categories

Raytheon 5751 / 12AX7 - black plates

Raytheon 5751 / 12AX7 - black plates
Price: $94.00
1 in stock
Item Number: 228
Manufacturer: Raytheon
This rare 1963 military spec Raytheon 5751 tube is a lower gain 12AX7 type tube. It has black plates and a distinctive dual post getter shaped like a plus sign. The red label on the glass has the Raytheon logo and reads "JAN-CRP-5751."
 
Tube tests as new with very low noise. It ships in a new white box with test results for current draw (mA) and transconductance (Gm).
 
This tube is sold individually. Photo is a sample from the lot. Matched pairs, when available, are listed as Item 236.

Related Products

GE 5751 / 12AX7 - black plates, triple mica
GE 5751 / 12AX7 - black plates, triple mica
Price: $84.00
GE 5751 / 12AX7 - black plates, triple mica
This 1957 military spec GE 5751 tube is a lower gain 12AX7 equivalent. It has black plates with extra support rods and triple micas. The white print on the glass has the GE logo and reads "JG-5751." Tube tests as new with balanced sections and low noise.
GE 5-star 5751 - black plates, triple mica
GE 5-star 5751 - black plates, triple mica
Price: $84.00
GE 5-star 5751 - black plates, triple mica
This 1958 military spec GE 5-star 5751 tube is a lower gain 12AX7 equivalent. It has black plates with extra support rods and triple micas. The white label has the GE logo five star logo. Tube tests as new with balanced section and very low noise.
Sylvania 5751 / 12AX7 - black plates, triple mica
Sylvania 5751 / 12AX7 - black plates, triple mica
Price: $84.00
Sylvania 5751 / 12AX7 - black plates, triple mica
This 1950s mil spec Sylvania 5751 tube is a lower gain 12AX7 equivalent. It has black plates, triple micas, and a windmill getter. The white print on the glass reads "JHS 5751" (partial/missing). Tube tests as new with balanced section and low noise.
Sylvania 5751 / 12AX7 - black plates, triple mica, matched pair
Sylvania 5751 / 12AX7 - black plates, triple mica, matched pair
Price: $169.00
Sylvania 5751 / 12AX7 - black plates, triple mica, matched pair
The 1960s mil spec Sylvania 5751 tubes in this precisely matched pair are lower gain 12AX7 tube types. They have black plates and triple micas. The white label on the glass reads "JHS 5751" (partial/missing). Both tubes test as new with very low noise.
Search
TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.




Shopping Cart
Your cart is empty.