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Peerless OC25SC65-04 with Horn No.1900

Peerless OC25SC65-04 with Horn No.1900

Troy Crowe

  In this blog post I test the Peerless OC25SC65-04 with Horn No.1900.  The Peerless OC25SC65-04 is relatively affordable listing for only $13.67 USD each at Digikey and $22.49 at Parts...

Peerless OC25SC65-04 with Horn No.1900

Troy Crowe

  In this blog post I test the Peerless OC25SC65-04 with Horn No.1900.  The Peerless OC25SC65-04 is relatively affordable listing for only $13.67 USD each at Digikey and $22.49 at Parts...

RCF ND850 2.0 Compression Driver

RCF ND850 2.0 Compression Driver

Troy Crowe

In this blog post we look at the RCF ND850 2.0 compression driver. This driver features a 3.00" diaphragm and a copper shorting ring for low distortion.  The copper shorting...

RCF ND850 2.0 Compression Driver

Troy Crowe

In this blog post we look at the RCF ND850 2.0 compression driver. This driver features a 3.00" diaphragm and a copper shorting ring for low distortion.  The copper shorting...

Celestion Axi2050

Celestion Axi2050

Troy Crowe

In this blog post I test the Celestion Axi2050 compression driver. I test it on my 300Hz Biradial (ES290 No.1670).  I began my measuring the impedance sweep which is shown...

Celestion Axi2050

Troy Crowe

In this blog post I test the Celestion Axi2050 compression driver. I test it on my 300Hz Biradial (ES290 No.1670).  I began my measuring the impedance sweep which is shown...

Horn No.1906 on Dayton Audio AMTPRO-4

Horn No.1906 on Dayton Audio AMTPRO-4

Troy Crowe

In this blog post I test Horn No.1906. This is a departure from my usual horn design in that I wanted to see if I could successfully widen the off-axis...

Horn No.1906 on Dayton Audio AMTPRO-4

Troy Crowe

In this blog post I test Horn No.1906. This is a departure from my usual horn design in that I wanted to see if I could successfully widen the off-axis...

Convention Paper 5891 Highlight

Convention Paper 5891 Highlight

Troy Crowe

Auditory Perception of Nonlinear Distortion In this blog post I bring attention to an interesting convention paper published by Dr. Earl Geddes back in 2003. I regularly read white papers...

Convention Paper 5891 Highlight

Troy Crowe

Auditory Perception of Nonlinear Distortion In this blog post I bring attention to an interesting convention paper published by Dr. Earl Geddes back in 2003. I regularly read white papers...

General Information About Joseph Crowe Custom A...

Troy Crowe

Note (2026): This blog post is outdated but I’ve left it here for historical Information only: we no longer offer design, consulting, or licensing for other businesses. We still offer...

General Information About Joseph Crowe Custom A...

Troy Crowe

Note (2026): This blog post is outdated but I’ve left it here for historical Information only: we no longer offer design, consulting, or licensing for other businesses. We still offer...