full range pics-

My vintage love Whiteley hf1016
 

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These.Look nice
 

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Older Vifa NE123 4-ohm full rangers that I got from Planet 10 a few (?) years ago. Thanks Dave, these are dandy little units! There was a later 4-ohm version that had a slightly different response, but both seem to be discontinued now. I made a contour circuit for these to smooth things out a bit.

Each box is 3.8 liters net volume. A 6.5 inch Dayton PR is used on rear, tuned to around 60 Hz. Boxes are made from white ash and teak.

Lesson learned for wood with significant oil content. The polyurethane remained tacky after a week or two, due to the oil in the wood mixing with the polyurethane. A little heat and more drying time was required. This can be avoided by applying acetone or naphtha (or similar) just prior to applying the polyurethane. Try to remember that for next time. :eek: The ash and teak complement each other nicely otherwise.

The center amp unit is a stereo class D chip amp with Bluetooth. It has an On/Off switch, an aux input (1/8" mini-stereo), a volume control, and plenty of indicator lights. There is a jack for a power supply input, and I added an external antenna as well. Inside is an add-on module for rechargeable batteries, which has a built-in circuit to prevent over/under charging.

This is my first full range project, and I've grown to like the sound. They will be a house-warming gift for my wife's cousin.

These little 4-inch drivers are quite good. Currently there is an 8-ohm version of the NE123 that is available. I’m sure it is as good sounding, but may need its own smoothing circuit.
 

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