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Re: Yorkville PSA1?As near as I can tell, the PSA1 uses either the venerable BMS 4550 driver which is used in a number of Danley boxes including the "flagship" SH50 or it uses the 4544 which I believe is a somewhat cheaper (and lighter) alternative model. But I wouldn't really call either an "economy" driver. I do wonder about the power amp driving the compression drivers in the PSA1. The spec sheet lists 75 watts with 200 watt peaks for the HF amp. The 4550 is rated for 80W continuous and 450W peak, per driver! [the 4544 is rated 80W cont and 400W peak] The 200w peak amp seems like it could be a little undersized. But that's just armchair reverse engineering speculation based on the service manual and spec sheet. I've never seen or heard this box in person and I don't know the design philosophy and engineering decisions that went into it.
Re: Yorkville PSA1?
As near as I can tell, the PSA1 uses either the venerable BMS 4550 driver which is used in a number of Danley boxes including the "flagship" SH50 or it uses the 4544 which I believe is a somewhat cheaper (and lighter) alternative model. But I wouldn't really call either an "economy" driver. I do wonder about the power amp driving the compression drivers in the PSA1. The spec sheet lists 75 watts with 200 watt peaks for the HF amp. The 4550 is rated for 80W continuous and 450W peak, per driver! [the 4544 is rated 80W cont and 400W peak] The 200w peak amp seems like it could be a little undersized. But that's just armchair reverse engineering speculation based on the service manual and spec sheet. I've never seen or heard this box in person and I don't know the design philosophy and engineering decisions that went into it.
