Originally Posted by cbc6403
I'm pretty sure the "LP" means low profile, and refers to all the 1RU versions of this amp. If it has XLRs, it's "PRO".
As for age, I have one in my office that has serial number 201792. I bought it used, out of a club, in 1990, and I think it was installed there c. 1985.
BTW, it stays on 24/7 and still works flawlessly. We've got a bunch of them at work powering studio headphones that have been on pretty much continuously since the studio was built in 1985, and they're also fine.
These have evolved over the years, with different locations for the volume controls (the oldest ones are located in the centre panel rather than on the channel card), and I think the newest ones are rated at 60 W/Ch. rather than just 50. At some point they changed the input circuit that balances the XLRs from an IC based one to discrete high voltage transistors.
What are these worth, BTW? I have another one that a buddy keeps bugging me to sell him. I don't want to gouge him, but I don't want to give it away either.
Hey man thanks for your feedback. Really helps. I'm quite eager to finish my mini studio upgrade. cant wait to hear the improvement, coming from my previous setup which consisted of a Yamaha RX-V659 home theater receiver. pft lol. not exactly pro audio.
so i was debating on either two bridged 2BLPPROs or one 4BPRO... plan on running a near field setup through an RME Babyface>Bryston amp> AV123 ELT525M Ninja Master speakers.
But if you're saying there could be a balancing circuit difference between newer/older 2BLPPro models, maybe I should just forgo trying to find two similar LPs and just go with the 4b?
I wonder what the difference would be like heat/weight wise? And more importantly, sound wise? Would I really need 200w + on monitors using only a 5 inch woofer and tweeter?
The one I claimed was $345. Another one recently went for $399. I think anything between $300 and $400 is generally the going price for the older units. The most recent 2BLPPros are worth quite a bit more.