


Massive Passive Retube Kit Version C
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Massive Passive Retube Kit Version CThis tube replacement kit is only for Manley MASSIVE PASSIVE Stereo Equalizers with the MANLEY POWER? SMPS power supplies. These units are easily identified by having the red illuminated push button power switch, not the black rotary knob power switch. This retube kit is for serial numbers MSMPX3061 and up. Includes (2x) 5751 tubes for GAIN, and (4x) 6922 tubes for interstage and output drivers. Be aware that some tube brands are subject to change
Quick Dispatch:
Your Massive Passive Retube Kit Version C orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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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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★★★★★ 5
Great shoes
Size: 10, Color: Black
The shoes fit perfectly. They are really comfortable. They look nice for going out or for work. Your feet don't get tired in these shoes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026
★★★★★ 5
Suggestion for narrow feet
Size: 11, Color: Black
These are very comfortable and look great in person. My only suggestion about the width if you have narrow feet. I measure at a double A narrow. I added some gel insoles which prevented me from sliding forward and actually kept my feet in place.
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Reviewed in the United States on June 6, 2026
★★★★★ 4
Great Buy for the Price
Size: 11, Color: Black
It is a very nice sleek pair of shoes. It is affordable and surprisingly comfortable.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Gett'em
Size: 10.5, Color: Black
These shoes look and wears very nice. I also have them in Brown. They work well with slacks, khaki and jeans..it's definitely a all purpose shoe. I feel that the fit is true to size..unless you have wide feet.
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Reviewed in the United States on April 13, 2026
★★★★★ 5
Great for skinny feet
Size: 8.5, Color: Black
Son loves these for his dress shoes. He prefers high tops since he has skinny ankles - these have an elastic type top that helps keep your foot in if you have skinny feet. He says they are very comfy and has worn them all day for school events.
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Reviewed in the United States on April 16, 2026
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