I am pondering over a pair of Trachorns by Martinelli (ALK) sound for my Khorns. I've read these things outperform the original K-400 horns. Any opinions or experiences would be helpful. I already have the ALK universal xovers which made a huge difference in the imaging. Ready to take the next step or buy a new pair of speakers.

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John
Main System- McIntosh MX119/MVP871/MC352/MC7106, Scratch built 2A3 ,Thorens TD-125mkII ,Klipschorns w/ALK xovers/Trachorns, Speakercraft MT8(4), Velodyne DD-18, Sonos ZP90,Boxee Box
Office System- Adcom GTP500/GPA545/GCD575,Technics SP15, Northcreek Signature Borealis

John......Can you spell PMC?

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Dan


Living Room System: McIntosh C2300, MC601 (2), MCD1100, MS750, MR85, Sony DAT 60ES, Nakamichi BX-300, Micro Seiki DD-40, Ortofon 2M Black, Sonos ZP90, Oppo BDP-83SE Blu-ray, PMC EB1i, Fathom f113 w/ Sound Anchor stand, Power Plant Premier (2), PS Audio Soloist Premier SE (3), Rollerblock Jr.'s, Wireworld Silver Eclipse IC's & PC's, Kimber 8TC with WBT Solid Silver Angled Locking Banana Connectors.
Studio System: McIntosh C1000C/P, MC2301 (2), MCD1100, MR88, Michell Gyro SE w/SME 309/Ortofon Cadenza Black, Sonos ZP90, PS Audio Power Plant Premier, PS Audio Soloist Premier SE, Sonus Faber Amati Anniversario, Rollerblock Jr.'s, Wireword Silver Eclipse IC's & PC's, Wireworld Silver Eclipse speaker cable.
Studio Home Theater System: McIntosh MX120, MC452, Oppo BDP-95 Blu-ray, PS Audio Soloist Premier SE, JBL LSR-6332 (2), JBL LSR-6328P (3), McIntosh XLS112 (2), Sony 52XBR9, Tributaries Silver IC's, Wireworld PC's.
Vintage: McIntosh MA5100, MR74 tuner, JVC XL-Z1050 K2 CD player, Wyred 4 Sound DAC2, Tandberg 3008A and 3026A, JBL4312A , McIntosh 4300V for deck speakers.

I was going to, but didn't want to hijack my own thread
My fingers wanted to type PMC

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John
Main System- McIntosh MX119/MVP871/MC352/MC7106, Scratch built 2A3 ,Thorens TD-125mkII ,Klipschorns w/ALK xovers/Trachorns, Speakercraft MT8(4), Velodyne DD-18, Sonos ZP90,Boxee Box
Office System- Adcom GTP500/GPA545/GCD575,Technics SP15, Northcreek Signature Borealis

I installed a pair ( along with Beyma tweeters) in my Belles and the difference was night and day. Best money I ever spent

Whatever1....welcome to AA. This is a great forum, with a lot of great people. Welcome!

Pete

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Main System: Harmon Kardon T60 TT/Ortofon MC10, McIntosh: MR80, MCD7009 (as transport), MVP841, C40, MC501's (3), Soundcraftsmen: RP2215-R Eq/AS1000 Real time analyzer, DBX 3BX II, Carver C9, SAE 5000, Nakamichi Dragon, Crown SX724, JVC HM-DH40000U, Toshiba SD-394 Combo Player, Sony Bravia KDL-55EX720 3D LED TV, JBL L220A's, JBL B460/BX63A, AudioQuest Diamondback IC's, Terk AF-1 Powered Antenna, Panamax M5100-EX Line conditioner, Integra DBS-30.1 Blu-Ray Player, Wyred for Sound DAC-2 Digital to Analog converter

Florida Room/Studio System: Pioneer PL-L1000 TT/Audio Technica ATS52W2, McIntosh: MR77, C32, MC2205; Hafler DH-500A, Soundcraftsmen RP2215-R Eq, JBL 4313B's, JBL 2241-based Sub, JBL BX63, Cheapie Panasonic DVD/VCR Combo, Sony KV-27FS100 TV, Terk AF-1 Powered Antenna

Master Bedroom System: McIntosh: MX117, MC2125; Soundcraftsmen RP2212 Eq, Pioneer Elite DV-09, Phase Technology PC80 Towers, Hitachi 31CX4B TV, Terk AM-FM Pi Powered Antenna, Panamax 1000

Office System: McIntosh MR78, Crown IC150A, Crown DC300, Carver SD/A-490t, Soundcraftsmen RP2212 Eq, Toshiba SD-394 Combo player, JBL 4401's, JBL PB10 Sub, Sony KV-27FS100 TV, Terk AF-1 Powered Antenna

Welcome to the forum whatever. I've got a pair of Belle's coming my way and I've always been curious about ALK's upgrades. I've read nothing but raves about the trachorn/beyma upgrade. Where are you buying your parts? How much do they cost? Are you buying a Beyma or Crites tweeter too?

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Speakers: Magnepan 1.7
Accuphase: E-408 180 watt integrated amp. DAC & phono boards. Accuphase DP-55V CD/DAC
MacMini music server, Ipad remote. PS Audio PPP. Kimber Hero, Kimber 8TC. Halide Bridge

Welcome Whatever1.

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AMP's: D'Agostino Momentum's
Pre Amp: Mcintosh C-1000 & C-1000P
Sources: McIntosh MCD-1100 & MS-300, Olive 4HD, SonoS, Pro-Ject 6 PerspeX
Speakers: MBL 111F
Cables: Transparent Ultra MM2 & Reference MM2 & Powerlink MM2x

Many here have made the switch from Klipsch to PMC...

Most seem to be staying with the PMC's...

But, I will add, that with the right room the mighty K Horns are almost impossible to beat!!!

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Shindo/DeVore Super 8's

One good thing about music: When it hits you, you feel no pain.

Bob Marley

I feel like I need to complete my due diligence by making that next step with the Trachorns before moving on, like Jim did with the Sonus Fabers. I would do each upgrade separately to make a fair analysis of the change.
The ALK universal crossovers kept me interested in the Khorns for the last 5 years as they made a night and day difference over the stock xovers.
PMC is still not out of the question, I need to get some input using these in a larger room (sounds like another thread in PMC).

Welcome Whatever1, thanks for the input!

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John
Main System- McIntosh MX119/MVP871/MC352/MC7106, Scratch built 2A3 ,Thorens TD-125mkII ,Klipschorns w/ALK xovers/Trachorns, Speakercraft MT8(4), Velodyne DD-18, Sonos ZP90,Boxee Box
Office System- Adcom GTP500/GPA545/GCD575,Technics SP15, Northcreek Signature Borealis

Whatever....nice to see you here.

I've listened to several of the tractrix horns. This would include the V-trac 260, The Tractrix 223, and fast tracs. Basically the same designs as the Trachorn but with different cutoff Fc, Throat size changes, and different mouth dimensions to fulfill their application.

These pure tractrix horns walk all over the K400/401.....easily. I wouldn't hesitate at all to make the change. I would say the horn change with give a bigger plus than the network changes (which I'm a fan of as well).

jc

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McIntosh C2200 MC1201 (x2) MC275 V (x2) Bryston BDA Ashly XO/EQ with huge horns
Technics SL-1200MK2PK MC275 V (x2), MC250 (x2), and QSC PLX, Ashly XO/EQ, Juicy Music Super Merlin with huge horns