I am very interested in this product. But I have not read anywhere what the ohms/resistance this will add/subtract to/from the speaker load with VB1 being added to speaker terminals in parallel. Does anyone know?
I have lived with the VB1 for a few months on Zu Omen + Zu Libtec + Krell KAV-300.
If you go to spatialcomputer dot com slash page9 slash page9 dot html you will see a graph with expected impedance modification due to VB1. Ok... what does that mean for the sound?
The VB1 does something. That much is clear. In this system (and might be particular to this system due to the unorthodox bandpass filter implementation?) the apparent effect is a reduction in overemphasis in the mid-high frequency (1 to 10kHz?). There is some ringing / sibilance / distortion / shout left behind, which spikes up at higher volume.
Removing VB1 - the overemphasis is back, but ringing / sibilance / shout is less obvious (not staring you in the face). No high volume funny business - what's there is there at low volume as well.
Right now I'm not convinced to prefer a tamer sound with shout to a more evenly distributed frequency layout with less localized apparent distortion.
But for $200 it was worth a shot. Might try them on my next speakers.
Guys, I'm about to order my second BlackHole anti-bass wave generator from Spatial, and may add these VBs to the order. May I ask a particularly stupid q - how is the VB fitted to the spkr terminals? Is it a soldering job, or does it "clip/slot" in, and then the spkr cable spade's into it?
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