@jfrmusic Pass amps operate at about 104-105 degrees Fahrenheit. I own X260.8 monoblocks (previously owned X250.5, XA30.8).
Love these amps with my Wilson Sabrina. However, Pass amps have a warm and natural sound signature. I would not recommend making an assumption Pass and your Harbeth will be a synergistic combination - Harbeths are very warm sounding speakers. If you can go back to Overture and have them set up the same model speakers with Pass for you, it would be best to spend some time listening.
If you like the sound, the X250.8 will most likely be all you need but it’s up to you if you want to go up to X350.8. I’m pretty sure that amp will never exit out of Class A with your speakers. Have a listen though.
Bryston 7B3 vs 4B3: Extra Cost Worthwhile?
Now that my dealer said he can deliver and unbox my amp the weight issue has been resolved. I don’t expect to be moving them as this is my end game system. At my age end game has real meaning. So I decided on Bryston and the 4B3. But then I got to thinking maybe I should go all out and get the 7B3 mono blocks. They are twice the price of the 4B3. For that additional expense I would hope and expect that once I heard them I would not be able to go back to the 4B3. However if the difference in perceived SQ is better but marginal the extra cost would not be worthwhile. I’m not looking for the ability to play loud but am looking for speaker control, dynamics, soundstage, etc., improvements that are clearly and unequivocally heard. So has anyone been done this road with these amps? If so please share your experiences
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Overture have my speakers and DAC and streamer. So any audition will be valid. Plus I plan on bringing my ABH2 with me to include in the comparison. If zI went for the Pass it would be the X-250.8. Good to know I wouldn’t have to be concerned with the heat. So Hall is saying the ABH2 will not have any SQ disadvantages running in Bridged mode and with my 6 ohm Harbeths also no issue. |
@jfrmusic On Harbeths it will be excellent. Rory was saying that but with my harder to drive Thiel. On my old Thiels it was not as good as it could be to my ears. Saying that, the brother of the speaker designer (who posts here) uses the AHB2 monos with Thiel. |
Glad I saw your post the day after I put my Bryston 4B3 into my system as I would have otherwise started stressing about your issue. Just a note, had planned to biwire my Tannoy Cheviots with Analysis Plus Black Mesh Oval 9 gauge cable as I have a long run to one speaker, and found the Bryston posts only will accommodate one spade, so am going to have to wait to have each pair of cables reterminated into one on the amp end. The Bryston sounded immediately better than my Parasound A23+ as soon as I turned it on and expect it will sound even better in 100 hours or so, sonInsuspect you will be happy either way you go. So far the bass sounds much tighter, and I am hearing more detail and greater instrument separation, including instruments I never noticed even in some old favorites that have become standards For auditioning new gear. Also, having played jazz and seen a lot of jazz live, I was happy to hear an improved gritty realness in saxophones mixed low as backing instruments that I thought my pre-upgraded system already handled pretty well. If you somaettle on a Bryston, I hope you post on your thoughts on preamps as a new one is next on my list (have the Parasound Halo P6)
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Recent info from Benchmark Support No worries with the AHB2. In mono, it will drive down to 1Ohm. Into 6Ohms, the bridged AHB2 will output 480 watts.The input impedance whether stereo or mono is 50kOhms The amp will draw up to 8 amps. |
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