Soliloquy-II (Tang Band W5-1685 with Seas 27TBFC)
Soliloquy-II This is my third attempt with the Tang Band W5-1685. I never felt I was getting the best out of it. Having listened to it in a 10 liters… Read more >
Time Alignment (CHP-70-P Gen2 with HiVi TN28)
why the TN28 It all has to do with using a 1st order crossover. I initially used the Audax TW010E1 because all it needed was a 2uF capacitor. With that,… Read more >
Toucan-SF (Silver Flute 8″ Bandpass Subwoofer)
Silver Flute W20RC38-08 I have tried many woofers to get the bass that I want but almost all failed. The only one is my Peerless NE265W-04. It is a fantastic… Read more >
Control 5 – Electronic Crossovers and Bi-amping (Part 7)
Synergy 18dB/oct Electronic Crossover Having redesigned the Control 5 passive crossover, I just can’t resist to see whether the performance can be improved further with electronic crossovers. Out came the… Read more >
Control 5 – Upgrading the Crossover (Part 6)
a moment of inspiration I thought long and hard about improving the sound of this Control 5. I was very tempted to discard the original woofer and tweeter and replace… Read more >
Control 5 – Sound Quality (Part 5)
Control 5 Frequency Response I don’t know whether the designers of the Control 5 tried to follow the Harman Target Curve but it does appear so. The problem with it… Read more >
Control 5 – Step & Waterfall Measurements (Part 4)
The transient of the woofer in the Control 5 suggest it’s not very responsive. Bear in mind that there’s only a 0.6mH inductor in the woofer crossover and it takes… Read more >
Control 5 – the elusive Frequency Response (Part 3)
JBL Control 5 Woofer & Tweeter Frequency Response The Blue plot above is the Control 5 woofer with the passive Low Pass network. The Red plot is of the tweeter… Read more >
Control 5 – Woofer and Tweeter Measurements (Part 2)
Control 5 Woofer Frequency Response The plot above is the RAW response of the Control 5 woofer. This was taken with the woofer directly connected to the power amplifier. Frequencies… Read more >
JBL Control 5 – Thiele & Small Parameters (Part 1)
JBL Control 5 I bought a pair of these JBL Control 5 between 1989-1990. At that time, I was producing audio-visual shows and I needed a pair of speakers for… Read more >