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Wharfedale Unit 5 Speakers

I have some old Wharfedale Unit 5 speakers in home made cabinets dating from about 1970. I have lost the specifications and wondered if anyone knows about them.
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  1. I think these were driver or driver+baffle kit similar to the ready built Wharfedale models of the time -- Linton, Denton, Dovedale - start by looking for anything on those because they are a lot less rare than surviving kits, I suspect.

    They weren't great speakers by the way -- I quickly upgraded to KEF and only ever tried Leak/Wharfedale again when given some while working on their advertising account 5 years later -- still didn't like them.
  2. 12" unit: Magnet 11,500 oersteds
    bass resonance approximately 17Hz
    5" mid range unit: Magnet 10,400 oersteds
    1" treble Range unit: Magnet 12,000 oersteds
    Moving cone mass 0.2 of a gram
    crossover frequencies 450Hz and 3,000Hz
    Power Handling capacity 35watt rms
    Impedance: suitable for amplifier having an impedance between 4-8 ohms
    frequency range: depends on cabinet size and construction but generally no worse than 40Hz-20,000Hz.

    ....
    Have the complete assembly instructions so if you want can scan it

    Mine are broken, and arrived here when searching if worth to replace parts
  3. Quote:
    12" unit: Magnet 11,500 oersteds
    bass resonance approximately 17Hz
    5" mid range unit: Magnet 10,400 oersteds
    1" treble Range unit: Magnet 12,000 oersteds
    Moving cone mass 0.2 of a gram
    crossover frequencies 450Hz and 3,000Hz
    Power Handling capacity 35watt rms
    Impedance: suitable for amplifier having an impedance between 4-8 ohms
    frequency range: depends on cabinet size and construction but generally no worse than 40Hz-20,000Hz.

    ....
    Have the complete assembly instructions so if you want can scan it

    Mine are broken, and arrived here when searching if worth to replace parts


    I built a pair in '70 or '71 and found the bass exceptional. I've since built better but want to use the 2 woofers as a sub-woofer and need the inside cabinet dimensions so I don't blow them. I'd love a scan of the instructions.
  4. Quote:
    12" unit: Magnet 11,500 oersteds
    bass resonance approximately 17Hz
    5" mid range unit: Magnet 10,400 oersteds
    1" treble Range unit: Magnet 12,000 oersteds
    Moving cone mass 0.2 of a gram
    crossover frequencies 450Hz and 3,000Hz
    Power Handling capacity 35watt rms
    Impedance: suitable for amplifier having an impedance between 4-8 ohms
    frequency range: depends on cabinet size and construction but generally no worse than 40Hz-20,000Hz.

    ....
    Have the complete assembly instructions so if you want can scan it

    Mine are broken, and arrived here when searching if worth to replace parts


    I built a pair in '70 or '71 and found the bass exceptional. I've since built better but want to use the 2 woofers as a sub-woofer and need the inside cabinet dimensions so I don't blow them. I'd love a scan of the instructions.
  5. Hi John, Do you still have the assembly instructions, i have managed to get the dimensions from a friend who has a pair of these but it would be nice to have a copy of the original paperwork you got with them.
  6. Anonymous said:
    12" unit: Magnet 11,500 oersteds
    bass resonance approximately 17Hz
    5" mid range unit: Magnet 10,400 oersteds
    1" treble Range unit: Magnet 12,000 oersteds
    Moving cone mass 0.2 of a gram
    crossover frequencies 450Hz and 3,000Hz
    Power Handling capacity 35watt rms
    Impedance: suitable for amplifier having an impedance between 4-8 ohms
    frequency range: depends on cabinet size and construction but generally no worse than 40Hz-20,000Hz.

    ....
    Have the complete assembly instructions so if you want can scan it

    Mine are broken, and arrived here when searching if worth to replace parts
  7. I know it's been and while since you posted this but I have just been given a unit 5 kit still in its box but no instructions , if you still have a copy I would be really grateful for a copy , it's mainly for wiring things correctly
    Cheers
  8. Hi Philol any chance I can have a copy of the Unit 5 instruction leaflet as well please
    Ken
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