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Mastering Massive Passive Retube Kit Version B

Marsoni M251S
Sale price$165.00
Pay 4 payments of $41.25 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Mastering Massive Passive Retube Kit Version BThis kit is only for Manley MASTERING MASSIVE PASSIVE's with serial number MMMSMP871 and up. Includes (2x) 5814 or 12AU7 tubes for input, and (4x) 6922 tubes for driver output. Be aware that some tube brands are subject to change over time and may not match the pictures shown.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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4.3 ★★★★★
Based on 1133 reviews
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Product Reviews
A
Verified Purchase
Amazon Customer
Lake Worth, US
★★★★★ 5
Dry and warm
Color: Dark Khaki, Size: 32W x 32L
Perfect! Good fit, keeps me dry and warm while golfing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 29, 2025
J
Verified Purchase
J D
Louisville, US
★★★★★ 5
Warm
Color: Dark Grey, Size: 34W x 30L
Don’t hold a crease very well but fit nicely and expandable waist is nice and warm
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 25, 2026
A
Verified Purchase
Amazon Customer
Draper, US
★★★★★ 5
Toasty and comfortable
Color: Dark Grey, Size: 36W x 32L
These pants keep the wind out so that are perfect for the cold windy days on the course
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 19, 2026
J
Verified Purchase
JS
Lowell, US
★★★★★ 5
Quality product
Quality product that priced well below the big name brand retailers. Ideal for cold damp days on the golf course
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Reviewed in the United States on February 22, 2026
S
Verified Purchase
SP
West Palm Beach, US
★★★★★ 5
Buy it
Color: Newport Blue, Size: 32W x 30L
Awesome. Bought hoodies and pants and they are all nice. Pants fit true to size.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2026

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