★★★★★ 5
Perfect fit
Perfect fit for my Accord
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 15, 2026
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
Order Tracking:
You'll receive a tracking link by email once your Massive Passive Retube Kit Version C ships.
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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]
- Please click here for more details>>> Return & Exchange Policy
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