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  #21  
Old 08-19-2018, 11:00 AM
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Quote:
Originally Posted by Formerly YB-2 View Post
Are the BHKs switching amps of any sort? Don't believe so. Think they are traditional Class A/B analog amps with a tube input stage and MOSFET output stage.
Correct, tube input stage and MOSFET output stage, 300 watts each. They are designed by Baskom H King (BHK), who also designed the Constellation monsters. Paul McGowen asked him to design the amp and BHKs only requirement was that he be given free reign to design it as he wants. He succeeded!
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Media Room: Raidho D1; JL fathom f112v2 subs (2); JL CR-1 crossover; PS Audio BHK Pre; PS BHK 300 amps (2); PS DirectStream DAC; PS P15 PowerPlant; Oppo BDP-105; Sonos Connect; JR Systems cabinet; Aptitlig-IsolateIt platforms; Gateway PC running Roon server; Harmonic Technology audio cables; PS Audio power cables
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  #22  
Old 08-19-2018, 02:22 PM
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The BHK electronics also use linear power supplies, not SMPS.
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  #23  
Old 08-21-2018, 10:50 AM
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Quote:
Originally Posted by Formerly YB-2 View Post
Are the BHKs switching amps of any sort? Don't believe so. Think they are traditional Class A/B analog amps with a tube input stage and MOSFET output stage.
To call it a "MOSFET" output stage IMHO would be a disservice. I have heard many MOSFET amps before. None have sounded like this before (Redgum/Modwright).

Bascom calls it an n-channel only layout which I think he employed in the Constellation Audio amps previously.
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  #24  
Old 08-21-2018, 08:41 PM
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Quote:
Originally Posted by doggiehowser View Post
To call it a "MOSFET" output stage IMHO would be a disservice. I have heard many MOSFET amps before. None have sounded like this before (Redgum/Modwright).

Bascom calls it an n-channel only layout which I think he employed in the Constellation Audio amps previously.
Yeah, it’s a really unique design. I don’t quite get it, but it sounds amazing!
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Media Room: Raidho D1; JL fathom f112v2 subs (2); JL CR-1 crossover; PS Audio BHK Pre; PS BHK 300 amps (2); PS DirectStream DAC; PS P15 PowerPlant; Oppo BDP-105; Sonos Connect; JR Systems cabinet; Aptitlig-IsolateIt platforms; Gateway PC running Roon server; Harmonic Technology audio cables; PS Audio power cables
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  #25  
Old 08-22-2018, 02:05 PM
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Congrats. I would love to hear the BHK amps and pre in my system.
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  #26  
Old 09-03-2018, 08:27 PM
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I completed my cabinet project and finished setting up the system today. It came out pretty nice!
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Media Room: Raidho D1; JL fathom f112v2 subs (2); JL CR-1 crossover; PS Audio BHK Pre; PS BHK 300 amps (2); PS DirectStream DAC; PS P15 PowerPlant; Oppo BDP-105; Sonos Connect; JR Systems cabinet; Aptitlig-IsolateIt platforms; Gateway PC running Roon server; Harmonic Technology audio cables; PS Audio power cables
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  #27  
Old 09-03-2018, 09:17 PM
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Quote:
Originally Posted by jrsystems View Post
I completed my cabinet project and finished setting up the system today. It came out pretty nice!
Wow JR! Simply beautiful. Any chance you are going for their new AN1 speakers to complete a full PS Audio Digital setup?
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  #28  
Old 09-03-2018, 10:16 PM
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Nice!!!
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Sources - VPI Classic Signature Turntable Piano Black, 10" 3D arm, ADS speed controller, Periphery ring Kiseki Purple Heart cartridge, Zesto Andros 1.2 phono preamp,SonicTransporter i5 music server running Roon software Sonore Signature Rendu SE, PS Audio DirestStream Dac (Snowmass firmware), Oppo 105D disc spinner, Apple TV.
Pre and Power - Audio Research Ref 6 Preamp, Audio Research GS150 Amplifier, Emotiva UMC-200 Pre/Pro movies only, Emotiva XPA-3 amplifier for center and surrounds.
Cables and Accessories WireWorld Eclipse 7 Speaker Cables. WireWorld & Nordost Interconnects. GIK Acoustics Soffit traps, Q7D Diffusors, 244 as cloud traps. PS Audio P10 Power Regenerator(x2) Shunyata and WireWorld Power cords.
Speakers - Martin Logan Expression 13A, Martin Logan Balanced Force 212 sub, Martin Logan Stage X Center Channel, Martin Logan FX2 Surrounds.
Screen Panasonic 60" Plasma.
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  #29  
Old 09-03-2018, 10:32 PM
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Quote:
Originally Posted by JSCC View Post
Wow JR! Simply beautiful. Any chance you are going for their new AN1 speakers to complete a full PS Audio Digital setup?
They are intriguing in concept. I'll definitely check them out, hopefully at next year's Axpona.

The Raidho's are so good and so dialed in with the subs that I can't see giving them up anytime soon. But I do like rotating speakers and the combination of the PS amps that can drive pretty much anything and the JL subs gives me some flexibility. I'm thinking maybe the small MBL 126 stand-mounts -I've always loved MBLs and those would be a great fit for my system. I would likely keep both pairs of speakers and rotate them every few months. However, before new speakers, I want to work on room treatments.

I just got my brand new system set up and I'm already thinking about my next targets! Audio is a helluva drug!
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Media Room: Raidho D1; JL fathom f112v2 subs (2); JL CR-1 crossover; PS Audio BHK Pre; PS BHK 300 amps (2); PS DirectStream DAC; PS P15 PowerPlant; Oppo BDP-105; Sonos Connect; JR Systems cabinet; Aptitlig-IsolateIt platforms; Gateway PC running Roon server; Harmonic Technology audio cables; PS Audio power cables
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  #30  
Old 09-03-2018, 10:33 PM
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Originally Posted by SL1800 View Post
Nice!!!
Thanks!
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Media Room: Raidho D1; JL fathom f112v2 subs (2); JL CR-1 crossover; PS Audio BHK Pre; PS BHK 300 amps (2); PS DirectStream DAC; PS P15 PowerPlant; Oppo BDP-105; Sonos Connect; JR Systems cabinet; Aptitlig-IsolateIt platforms; Gateway PC running Roon server; Harmonic Technology audio cables; PS Audio power cables
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