PC Speakers

I have for a long time had some drivers that was intended for some small PC speakers. I got the units on sale some years ago. The Tweeter is a Seas 25TFFN, and the bass is probably a Peerles OEM product 13 cm, with a coated paper cone.

The units are mounted in a small

Read more … PC Speakers

Mid driver upgrade from ScanSpeak 13M Kevlar to Dayton RS125

Having burned one of my midtone drivers, a renowned ScanSpeak 13M 8636, which has served me well for many years.

As I have been thinking about making some all brand new speakers full range ribbons) I was not really willing to pay the 200 Euro a new SS unit costs.

Read more … Mid driver upgrade from ScanSpeak 13M Kevlar to Dayton RS125

ScanSpeak 13M/8636 Burned

Testing my Class-d amp …. which now sounds really, really good ….. was on the other hand too much for one of my mid drivers …

The problem is that it just sounds so clear, that it dosent sound as loud compared to when the sound is distorted …..

Damn … ScanSpeak 13M Kevlar gone

Read more … ScanSpeak 13M/8636 Burned



Building speakers are normaly a long and dificult process. It’s not just selecting the right drivers and putting these into a well designed enclosure. The real challange is the crossover.

The crossover will have a high impact on the resulting sound, and requires a lot of knowledge, possibility to make good measurements, possibility

Read more … miniDSP

Hi-Fi & Sourround Copenhagen 2009

The yearly Hi-Fi show in Copenhagen was held last weekend (Nov. 14-15). The show is held at the Scandic Hotel and covers the ground floor + 1 and second floor. The rooms used at the 1. and 2. floor are normal small hotel rooms, so only a very limited number of people can listen at

Read more … Hi-Fi & Sourround Copenhagen 2009

PCB for AceBass

Has been working a bit on my AceBass project. A hopefully working design and schematic has been produced, and I have made a layout for a small PCB. The board will be 6.3 cm by 4.9 cm.

The board has been ordered at Olimex, my prefered supplier for prototype boards. They have a great service,

Read more … PCB for AceBass