michael chuaMay 15, 2018HIFI DRIVERSBC25SC08, Horn, Peerless, Tweeter, Waveguide
Peerless BC25SC08-04 RAW Frequency Response
Fig 1 – Mic at 24 ins, tweeter axis. Impulse Window = 5ms. No Smoothing. Baffle Width = 5″.
Peerless BC25SC08-04 Frequency Response with 18dB/oct at 3kHz

Fig 2 – Black plot = RAW. Red plot = 18dB/oct at 3kHz.
Toneburst Energy Storage of BC25SC08-04

Fig 3 – Toneburst Energy Storage of BC25SC08-04 without crossover. Impulse Window = 5ms.
Spectrogram of BC25SC08-04

Fig 4 – Spectrogram of BC25SC08-04 without crossover. Impulse Window = 5ms.
Peerless BC25SC08-04 Impedance
Notes
Beware of the high Fs (approx 1.8kHz). The BC25SC08-04 was auditioned in the SuperMicro. Baffle width = 5 inches. No LCR was used. Some glare was heard with the Synergy 18dB/oct crossover set at 2.5kHz. Glare vanished completely with crossover at 3kHz.
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