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I sold the speaker for parts so I am not longer looking. Thanks

Is anyone familiar with ATI amps. I had never heard of the brand until recently. From what I'm told they make one hell of an amp. I'd love to get some feedback if anyone wants to share.

Thank you.

I anyone is interested.

BTW, I have the schematics for Quest and Quest Z. But I have no idea what to do with them.

Guys you're giving me a little hope! Believe it or not the speakers worked. The stats worked but lost the highs and the woofers worked fine. ML has the power supplies at about $500 each. I just don't know where to send them to be rebuilt. The $64,000 question is for how much and is it worth it...

Are these still available?

These are the pictures I sent to ML for review.

I do have dedicated circuits for each component, but no surge protection, lesson learned. I have an Ayon cd 1sx integrated pre-amp and I just ordered PS Audio Stellar M1200 monos, because I don't want to use my old amp when I get new speakers. Once bitten, twice shy! So, I should be good with...

Looking for a pair of Quest or Quest Z Crossovers in good working condition.

Ya, the inductors we literally melted, caps blown out. The speakers still worked OK. Amazingly! So know I'm thinking Summit X or Montis, or find an old pair of Quest or Quest Z's just for the crossovers.

Brian at ML said I drove them too hard or it my have been my amp. So I bought new amps, PS Audio Stellar M1200 monos hoping the crossovers could be repaired. The technician at Midwest Speaker Repair sent me this message yesterday. These are not looking good, main problem is the PC Boards have...

Well, I had a major malfunction and cooked the crossovers in my Quests. I had recently replaced the stats and woofers. Now they are like a classic car with no engine! Martin Logan no longer has the parts to replace or repair them. Does anyone have old Quest crossovers that need a home, or know...

I have a pair of Quests that just got new stats last year. They sound great! But, my Crown Macro Reference amp is on it's way out. The entire system is circa 1993. But that amp gave me the power to push my Quests at any volume. I have an Ayon cd sx3 integrated cd player. Love that too! Would...

Bought my system in 93'. I have the Quests with new stats and a Crown Macro Reference amp. The system still sounds amazing!

JonFo, it was a connection issue! I disconnected the XLR cables and a reconnected them and got my high-end back. I'm going to take your advice and refresh the XO's. Makes sense seeing that I just replaced the stats! THAN K YOU!

Original Quest owner since 1993, love these speakers! Just replaced the membranes a year ago. Somewhere along the line I lost my high end. It's not my preamp, and MLS said it's probably not my crossovers. Any thoughts on what it could be?