Hoffman Amplifiers Tube Amplifier Forum
Other Stuff => Cabinets-Speakers => Topic started by: GuitarPilot65 on January 17, 2025, 11:23:03 am
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Seeking help with speaker repair or recommendations for replacement
Stock speaker in subject amp buzzes when played; buzzing stops when I dampen the speaker with my hand on the cone.
Other info:
- "R25" and "S1804" black stamps on back of magnet.
- 8-in nominal diameter
- 8Ω (verified with meter)
- Cloth surround (can't tell how "doped" it is; see photo)
- Paper cone with cloth domed voice coil cover
- 3-in diameter magnet
- Looks to be 1-in dia. voice coil.
No visible separation of surround/cone, no cone tears, no loose wires, etc. Based on physical appearance, this speaker seems more applicable as a home stereo woofer.
Before replying with admonishment about buying this amp, budgetary constraints governed its selection at the time of purchase. I paid about $100 for it new. Preliminary research shows 8-in replacements are scarce; Eminence Alpha-8A currently listing for $80.
Any help and guidance would be appreciated. Photos attached.
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guessing, the voice coil is dragging, or the "rubber edges" have lost "tension"
speakers are replacement parts, by the time you "repair" you're in 70% of a replacement with no guarantee
speaker seems more applicable as a home stereo woofer.
they basically are one in the same. double the amps Wattage and throw in any 8" about that wattage and test drive.
(AMP = 25W speaker ~~~ 50W)
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Thanks, Shooter. Agree with your cost analysis re: repair.
The voice coil may indeed be dragging. All of my amps, guitars and regular stereo speakers reside in a corner room in our house, whose temperature has likely hovered between 65 and 70 deg F this winter. Perhaps not so coincidentally, the voice coil of one of my Dayton Audio Classic Series 8-in woofers was dragging the other night when I played a CD. Being that our house has central HVAC (we're in NW FL), it may be time for a space heater in that room.