The speaker is a highly coveted Electra Voice SRO 12 and the speaker has it's frequency response measurements notated on the magnet housing by Dumble, hand written and signed ''H. Dumble'' and dated, 6-8-82. The cabinet is a custom built, sealed, ported Dumble with a shielded input jack, covered in Blue/Black Tolex with Vox grille cloth and white piping.
- Amp Archives
eBay Amplifier Listings