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OLDAMPS
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Filmonator Prototype 

I've been wanting an original V-front Dominator for a good while now after experiencing the huge, broad sound field they produce, but they're a bit expensive these days.  I decided to have a go at making something similar for a Filmo amp.  It took over a year in the end, with a full time job, amp repairs and other projects to keep me busy.

I had some vintage 10" Celestion speakers, which I picked up years ago, that came out of a church, complete with ply baffle and a tweeter.  I thought I'd recycle them, but in hindsight, I should have made the combo a bit deeper.   The speakers, have quite small magnets that only just clear the massive transformer on the amp chassis, which makes upgrading speakers a challenge in the future.

The Celestions sounded rather bright, so I whipped out a couple of Elacs from an old Wem column speaker cab (also taking up space for years) and removed the whizzer cones carefully with a Dremel.  They sound better although I haven't had chance to test it properly yet due to various lockdowns and access to suitable premises.

Without any plans, other than my own sketches, I began making the carcass from yellow pine.  Unfortunately I made a booboo with the dovetailing and had to cut the sides down 20mm to remake them, hence the baffles had to be shortened as well and now I have a bigger problem with speaker fitment than I would have.

I am quite pleased with the results, and with the engraved badge, although some of the letters didn't get the machine passes they should have (free software and lack of CNC knowledge) and are a bit uneven.  It buffed up nicely with some acrylic paint squeeged in to pick out the detail.

The handle came from my local salvage yard, and was professionally buffed up by an old boy who was grinding and polishing way back when Sheffield was probably the top cutlery and steel tool maker in the world.

This one is just for me.  I might be tempted to do a second one to accommodate a pair of Greenbacks or possibly Blue Pups, but that might be a while yet.
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  • Repairs & Servicing
    • Guitar Amp Service & Repair
    • Business Card
  • Filmosound
    • Filmosound Guitar Amps
    • Filmo New Style
    • Filmonator Prototype
    • Testimonials
  • Contact
  • Amps & Stuff
    • WEM / WATKINS >
      • Watkins Clubman
      • Watkins Westminster
      • Watkins Westminster Mk 9
      • WEM Control ER15 No. 1
      • WEM Control HR 30
      • WEM Dominator Mk3
      • Watkins Copicat Mark 2
      • Wem Watkins Copicat Mk 3
      • Wem ER100
      • Wem PA100
    • Baldwin Burns Amplifier
    • Carlsbro CS 60 PA
    • Elpico AC52
    • Leo Fender >
      • Fender Concert Repair
      • Fender Twin Reverb 1977 Silverface
      • Fender Twin Reverb 1972 Silverface
      • Fender Blues Deluxe
      • Fender Musicmaster Bass Amp
      • Musicman RP 112 Sixty-five
    • Gibson >
      • Gibson Mercury
      • Gibson Falcon GA19RVT
      • Lab Series >
        • Lab Series L2 Service and Repair
        • Lab Series L5 100W Combo (Gibson/Norlin)
    • Hiwatt Lead 50R Combo
    • Marshall >
      • Marshall Artiste
      • Marshall Superbass Mk2 100W Head and Cab Service Repair
    • Miscellaneous Amps >
      • Harmony H307x
      • Hotpup 5F1 Champ
      • Impact 60
      • Mystery Amp
      • RSC Bass Major
    • Orange >
      • Orange OR120 1970s Service and Repair
      • Orange TH 30 repair
    • Schaller KV 40
    • Selmer >
      • Selmer Constellation 20
      • Selmer Treble & Bass Mk 2
      • Selmer T&B 50R SV
    • Traynor YGL 3 Mark 3
    • Tripletone Amp Conversion
    • VOX >
      • Vox AC 10 (JMI)
      • Vox AC 30 TB Restoration
      • Vox AC 50 Repair and Overhaul
  • Blog
  • For Sale
    • Amp Sales
    • Speaker Sales
  • Other
    • Marconi C10A radio
    • Interesting Waveforms