Linear phase crossover for mac os drivers#
I wondered what was going on here – Altec designed the famous Voice of the Theatre passive crossover so that’s as good as it gets – why did the DIY ‘active’ arrangement sound so much better? The dynamics were better the horn drivers stopped blowing up and the speakers played louder and cleaner. The improvement was so dramatic I couldn’t believe it. One of the ETI DIY projects we did was a 100 watts amplifier that gave me the idea to make the speakers ‘active’ with two of the amps into an active crossover using steeper slope 24dB per octave filters. The horn’s compression drivers would blow fairly often but, for live shows, we were able to replace the compression driver’s diaphragm pretty quickly.
Linear phase crossover for mac os driver#
They had a 15-inch bass driver with Altec’s passive crossover to a high frequency horn. I was staggered by how bad the performance of loudspeakers were, we are talking a long time ago when we were about 20 years into hi-fi, compared to amps and other components.įor a while I had a go at making speakers, I was part of a rock band and we needed a PA system, so I built some using Altec ‘Voice of the Theatre’ speakers. We employed Louis Challis & Associates in Sydney, who did the measurements. Kim Ryrie: I started a Hi-Fi magazine in around 1972 ‘Hi-Fi Review’ and before that another magazine ‘Electronics Today International’ (ETI) that reviewed Hi-Fi. SoundStage! Australia writer Barry Jones (left) with DEQX’s Founder Kim Ryrieīarry Jones started off by asking Kim Ryrie about his background, the subsequent birth of DEQX and what it is that underpins the company’s products. Recently, DEQX released a line of Class-D amplifiers using Ncore technology and featuring three configuration options. DEQX’s processors offer digital speaker correction, post-speaker-calibration room acoustics correction, high quality in-built analogue-to-digital and digital-to-analogue converters, linear phase crossover and equalisation technology, network streaming capabilities and much more. DEQX’s unique and refined products has seen the digital specialist grow into a powerful force in the digital signal manipulation field.ĭEQX’s processors have evolved to a high level of automation and sophistication, with the DEQXpert online assistance service now making the products even easier to incorporate into any system context. Reviewer Barry Jones recently spent some time at DEQX’s Sydney headquarters where he met with Founder Kim Ryrie and General Manager Alan Langford to discuss the company’s rich history, its proprietary digital technologies and highly advanced processors.
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