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Preamp Tubes
12AT7/ ECC81
12AU7/ ECC82 / 5814
12AX7 / ECC83 / 7025
12AY7 / 6072
12BH7
12DW7 / ECC832 / 7247
6DJ8 / EF86 / 6 Volt
Misc. 12 Volt
Power Tubes
EL34 / KT77 / 6CA7
EL84 / 6BQ5
6L6 / 5881 / KT66
6550 / KT88 / KT90
6V6 / 7408
7591 / 7868
Misc. Power Tubes
Rectifiers
5AR4 / GZ34
5U4GB
5Y3
6X4
6CA4 / EZ81
Misc. Rectifier Tubes
Brands
Ei
Electro Harmonix
Genalex - Gold Lion
Jan Military Tubes
JJ Electronics
Mullard
NOS Tubes
Penta Labs
Ruby Tubes
Sovtek
Svetlana
Tung-Sol
Tube Amp Doctor (TAD)
Valve Art
Gear
Accessories
Pre-Owned Gear
Tube Kits
Mesa Boogie
Marshall
Fender
Vox
Egnater
Peavey
Preamp Tone Kits
Hi-fi
Manley Labs
Joseph Audio
Pre-Owned Hifi
HH Scott
Customer Reviews
FAQ
Home
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6550 / KT88 / KT90
»
Ruby KT88-CZ
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Ruby KT88-CZ
Ratings
Average Distortion
Late Distortion
Options
Matched Pair(2)
Single
Average Distortion / Matched Pair(2)
Late Distortion / Matched Pair(2)
Late Distortion / Single
$ 139.90
Quantity
is backordered. We will ship it separately in 10 to 15 days.
The Ruby KT88-CZ has a tightly compressed bottom end that is perfect for jazz and audio. Just like the JJ KT88, repackaged by Ruby Tubes.
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