Sovtek 6550WE No Cryo Reviews

4.9 Rating 32 Reviews

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909.931.9686

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2058 Wright Avenue,
2058 Wright Avenue
California
91750

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William Vogeley

Verified Reviewer

“Super helpful!”

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Posted 3 years ago

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Posted 3 years ago

“Could tell no difference in my ARC CD9 vs the lemon tube”

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Posted 3 years ago

William Vogeley

Verified Reviewer

“Upscale performed a wonderful matching of 8 output tubes for my ARC amplifier and shipping them to me safely. This is the 3rd retube for this amp and is the best sounding set of the 3. Thanks Upscale!”

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Posted 3 years ago

“Replaced EI KT90's as there were none of them left & very happy with the 6550's”

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Posted 4 years ago

“Great power tube for Audio Research amps; good bass control, good midrange presence. Upscale Audio very helpful with info on both power and preamp tubes.”

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Posted 7 years ago

“Great service”

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Posted 8 years ago

“My Rodgers High Fidelity EHF 100 is rated at 65 watts in class A at 4 ohms, per channel. Thank you for advising me to purchase a musical, rugged power tube for class A use. The four 6550w's were burned in for 100 hours with great musical/mechanical results. The output transformers hum less. I like that. Best result realized is clear, natural audio reproduction. Small bump in the mid-range. Great results with turntable or digital. A pleasant change from KT88's lower frequency sonic signature. The 6550w's has a lighter,airy feel.”

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Posted 8 years ago