Large Tube Halo

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Your Price: $62.00
The Large Tube Halo is adjustable to fit any size tube up to 2” in diameter; thus, it fits the 6550, KT-88, KT 120, KT-150, 6CA7 (big bottle), 300B, 2A3, 45, 801A, and 845. To mount a Halo, make sure there is at least a 2” radius clear around the top of the tube—or a 2½” center-to-center distance between adjacent tubes. 30-day money back.
Part Number: TUBEHALO-LARGE
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• Save 15% when you buy 4 or more mixed Tube Crowns and Tube Halos.

• The Tube Halo shape was optimized, via extensive listening tests, for best sound with EL-34/5AR4 sized octal tubes. Thus, the Halo’s mass, wall thickness and height (all independently optimized) look quite different than the Tube Crown shape, which was developed for 12AX7/6DJ8/EL-84 sized tubes. 

• Large Tube Haloes are adjustable to fit any size tube up to 2” in diameter.  

• Large Haloes usually fit the 6550, KT-88, KT 120, KT-150, 6CA7 (big bottle), 300B, 2A3, 45, 801A, and 845.

• Before ordering, make sure there is at least a 2” radius clear around the top of the tube for installation—or a 2½” center-to-center distance between adjacent tubes.

• Tube Crowns and Tube Haloes are based on Pierre Sprey's research originally for Mapleshade Studio and are an excellent upgrade for instrument amplification —like guitar heads and cabinets.  Because they do not permanently attach, Crowns and Haloes are a bit impractical for playing out but highly recommended for pro and home studios.

• Crowns and Haloes can only be used for surface mounted tubes; they can not be used for side or top mounted tubes.

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