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Ruby Tubes
 Product Code  Description
TU5881R Ruby Tube 6L6GC/5881 Russian

This famous Russian 5881 tube is dependable and soft sounding.

The Sovtek 5881 / 6L6WGC is another very popular tube used in OEM manufacturing. Used By Marshall® - Soldano and Solo the Sovtek 5881 / 6L6WGC is a cost effective choice when you want reliability.
TU5881WXT+ Ruby Sovtek 5881WXT+ Power Tube Russian

Modeled after the vintage RCA 6L6GC "Blackplate" the Sovtek 6L6WXT+ features larger plate dimensions and improved grid structure for increased power handling capabilities.
The 6L6WXT+ also features mica spacers with metal springs to eliminate tube rattle and microphonics. The Sovtek 6L6WXT+ yields a 20% higher output than the Sovtek 5881WXT and offers superior tone and overall performance.
TU6550C Ruby  6550C Ruby St Petersburg

This tube from the CBETLAHA factory is a powerful and dependable 6550 tube modeled after the GE 6550.
TU6L6GCC Ruby 6L6GC Power Tube Russian Svetlana Winged C
From the CBETLAHA factory in Russia, it has good punch and the output power is on a par with our 6L6STR tube.
TU6L6GCMSTR Ruby 6L6GCMSTR Power Tube China High Qlty
TU6V6EH Ruby Electro Harmonix 6V6 Power Tube Russia
A new 6V6GT from Russia. Good power and reliability.
TU6V6GTBC Ruby 6V6GTBC China
A rugged 6V6GT. Great in deluxe reverb amplifiers. Smooth response with good presence & definition.
TU6V6GTCZ Ruby 6V6GT Power Tube Tesla/JJ Slovakia
New 6V6GT from the Tesla/JJ factory. Dark tone with lots of bass.
TUE34LCZ Ruby E34L Tesla/JJ Tube
SJJ/TESLA TUBES, SLOVAKIA.
TUEF86EH Ruby Tube EF86 Electro Harmonix
TUEL34BSTR Ruby EL34BSTR Power Tube China

Sensational new high-gain EL34 with dynamic tone. Extra-strong bottle, gold-plated grid.

The Tuby EL34BSTR tube is the best sounding and dependable EL34 available.
TUEL34C Ruby EL34C Cbetlaha Tube
The EL34 from the CBETLAHA factory that has received good reviews.
TUEL84C Ruby EL84 China Tube
6BQ5 China.
TUEL84CZ Ruby EL84 Power Tube Tesla/JJ Slovakia
JJ/TESLA TUBES, SLOVAKIA.
TUEL84R Ruby EL84 Russian Tube

The same as a 6BQ5. Good replacement in Boogies and Fenders.

Sovtek EL84 are extremely reliable and good sounding. The construction has improved steadily over the years. Sovtek EL84 are currently being used by such manufacturers as Fender - Crate - and Peavey. The Sovtek EL84 produce an unbeatable smooth - warm distortion. Excellent replacements in vintage VOX AC-30's and the like.

NOTE: Due to the larger diameter of the glass envelope, this EL84 will NOT fit in the following amplifiers:
# VOX reissue AC15
# Marshall DSL201
# Marshall DSL401
TUKT66C Ruby KT66 Power Tube China
The same as a 6BQ5. Good replacement in Boogies and Fenders.
TUKT77CZ Ruby KT77 Power Tube Slovakia
KT77 from the Tesla/JJ Factory .
TUKT88R Ruby KT88R Sovtek Tube

Sovtek KT88 Having great hi-end and lush mids
- the Sovtek KT88 was designed to offer the highest output power and the most reliable
- linear performance available in a KT88. The low-end is a bit muffled
- but not flabby. The unique tri-alloy plate structure of the Sovtek KT88 yields higher minimum plate current and higher transconductance while improving heat dissipation and reducing tube warm-up time.
TUKT88STR Ruby KT88STR Power Tubes China
An entirely new KT88, built in the style of the early British KT88. Unsurpassed in performance and high end. Polished metal base. .
TUPOT310 Ruby Replacement 100K wah POT w/gear
Replacement 100K wah POT w/gear perfect for Vox wahs.

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