Reckhorn Mini-Sub – Preamp

For those interested, here is schematics and gerber files ready for use, for non commercial purposes of course. I have corrected the two small mistakes, so should work perfectly.Can be powered from the AMP PSU you use directly (must be a split supply with a positive and negative and a GND, of course). I lately use JLC for pcb’s: only 2 USD for 5 PCBs!It is dead easy, just upload the zip file and do the order; just drag and drop the zip file. …. pretty smart 😉 Schematics should be straight forward. Input pot needs to be Log and … Continue reading Reckhorn Mini-Sub – Preamp

Reckhorn D-165

Got myself a Reckhorn D-165 and 2 x P-6.5 passive units, intended for a mini subwoofer for my home office. On paper the 6.5 inch D-165 looks really promesing.Link to shop: Reckhorn Amazing build quality for 30 € only?!Fast delivery and nicely packed … good job Reckhorn 😊 The passives are not as impressive and quite flimsy. Seem the suspension is somewhat more soft than the D-165 .. giving a lowe Fs. Comes with 3 small discs to add weight to the 20g alu cone. Plan is to build a small active sub in a box of 11 – 15 … Continue reading Reckhorn D-165

Restoring Avance Concrete 180

Retro look, good sound, and bringing a great speaker to life again Decided that we need some music in our living room. We have a separate listening room / home theater, so what we need is just to be able to play a little music from Spotify etc . I had a small dream of doing some retro, and restoring an old classic or something, which looked cool and play ok. A month ago I saw an add, to pick up a pair of Avance Concrete 180 speakers, for 25 Euro. They looked ok, but the foam surrounds on the … Continue reading Restoring Avance Concrete 180