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Amp Recommendation for Klipsch Forte IV (Read 254 times)
3Fingberbrown
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Amp Recommendation for Klipsch Forte IV
03/24/26 at 20:34:32
 
I am sure the Klipsch Forte IV speakers are in use by a number of Deware users. I am wondering if folks here could recommend a model of Decware amp to pair with these speakers.

I'm in a moderate/large room 18x19 feet, with vaulted ceilings that go up to 15 feet. I listen jazz, rock, classical at all volume levels depending on the situation.

Thanks
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CAJames
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Re: Amp Recommendation for Klipsch Forte IV
Reply #1 - 03/25/26 at 01:21:00
 
As much as I'd like to recommend one of the SETs, I feel like if you really want to "rock-n-roll" in your room you're going to need a push-pull amp. JMO.
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Tony
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Re: Amp Recommendation for Klipsch Forte IV
Reply #2 - 03/25/26 at 05:55:07
 

If what I read is correct, Klipsch Forte IV speakers have a specified sensitivity rating of 99 dB. You will want to consider the hum level of the Decware amp you choose.

I couldn't deal with the Decware 300b amps' hum with my 99 dB Omega speakers. On the other hand, my UFO25 amp sounds just as good as the 300B, and there is no hum beyond 3 feet from the speaker without music playing. I'm particularly sensitive to hum, so it may not be an issue for you or others. Still,  it is something to consider.
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William
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Re: Amp Recommendation for Klipsch Forte IV
Reply #3 - 03/25/26 at 19:39:06
 
I currently have the Alan Eaton 45 Monos and hear a low level hum through the Forte IVs, but it's not anything that bothers me at all and it can't be heard when music is playing or a few feet away from the speakers with nothing playing.  

I just recently paid for the UFO25 and it's on the bench.  I assume I'll have it in a few weeks or so and can report back.  

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PointThatThing
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Re: Amp Recommendation for Klipsch Forte IV
Reply #4 - 03/25/26 at 20:11:02
 
I have a pair of Forte IV, I have run my UFO through them and they sound great, but lack a bit of authority for playing rock. Currently I’m playing my Tomcat Audio monos 70w per through them, this is spot on for rock. Have also had Aric Audio Custom 300b P Set, sounds awesome for lighter/gentler stuff, especially acoustic. I’m not in the classical or jazz space, so can’t comment on that. But if you want rock the push pull does it for me. FWIW I have a Mystery Amp on order and intend to use it with the Forte. I’ve been playing around with the 2 big amps in the last few weeks, leaning towards the Tomcat as my favourite. had been thinking of hooking up the UFO to the Forte again, just to see. I’ll do it over the weekend and report back

I wonder if you’re more jazz/classical that Sarah might be great but if you add rock in the mix Tori or Mystery
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The other Lon
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Re: Amp Recommendation for Klipsch Forte IV
Reply #5 - 03/25/26 at 21:30:17
 
I have a pair of Heresy I in a second system. They sound great with my Decware Torii, CKC84 Select, and Denis Had Type 45. No complaints on any of them and the amp range is 1.6 - 20 watts.
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Kamran
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Sarah

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Re: Amp Recommendation for Klipsch Forte IV
Reply #6 - Yesterday at 00:00:50
 
Curious:  If the Forte IV’s really have a sensitivity of 99 db, then (unless someone wants two consistently rock out over 100 db in each listening session) shouldn’t there be enough SPL for any genre of music?
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PointThatThing
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Re: Amp Recommendation for Klipsch Forte IV
Reply #7 - Yesterday at 00:13:01
 
With the UFO connected to the Forte it’s not a lack of volume, it’s more that the music lacks a bit of depth/body. Does that make sense?
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CAJames
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Re: Amp Recommendation for Klipsch Forte IV
Reply #8 - Yesterday at 00:20:41
 
Quote:
Posted by: Kamran      Posted on: Today at 16:00:50

Curious:  If the Forte IV’s really have a sensitivity of 99 db, then (unless someone wants two consistently rock out over 100 db in each listening session) shouldn’t there be enough SPL for any genre of music?


I think Klipsch is a little generous in their specs. But beyond that it is a matter of room size. I have 2 UFOs and 95ish dB speakers (pretty similar to 1 UFO and Fortes from a SPL perspective) and that is plenty to blow the roof off my 13x13x8 foot room with Bruckner, The Buddy Rich Big Band or Black Sabbath. But in a 18x19x15 foot room I think you'd want more if you want to rock the house. Again, JMO/FWIW/YMMV and all that.
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[Volumio | Jay's CDT2 MRK3] -> Denafrips Terminator 2 + Gaia
Sumiko Pearwood -> Mapleknoll Athena -> Luxman SUT -> Mapletree Phono 3E
STR-1002 -> Woo WA22 -> 2x UFO25s, balanced monos
Omega SAM , Hifiman Arya, Audeze LCD-XC
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Kamran
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Sarah

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Re: Amp Recommendation for Klipsch Forte IV
Reply #9 - Yesterday at 01:22:51
 
Thx James, I hadn’t paid attention to the room size variable. That males sense. Considering the popularity of the 2 watt amp, and given how most members are probably running speakers that are high sensitivity, I was finding the proposed mismatch hard to reconcile with.
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Innuos Pulse Streaming Transport and Phoenix Net Switch-Lampizator Atlantic 3 TRP DAC-EM/IA Autoformer Passive Pre-Sarah 300B SET Amp-GIK Room Treatment—Walnut Pure Audio Project Duet 15 w Voxative PiFe-P.I. Audio MajikBuss & Puritan PSM 156 Conditioners
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duaneh
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Re: Amp Recommendation for Klipsch Forte IV
Reply #10 - Today at 00:49:45
 
I've enjoyed my ForteIVs plugged into my UFO25. I gain ride using my CSP+ and ZRock3. 12 x 18, 9ft ceiling. Open on the sides. They fill the room nicely. Looking forward to the Dynagrid.
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PointThatThing
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Re: Amp Recommendation for Klipsch Forte IV
Reply #11 - Today at 01:33:39
 
Have just been listening to the UFO with Forte IV combo and have to revisit my previous comments. With acoustic or gentler music the combo sounds amazing, very well suited to each other. On further listening I would change my description of playing rock music. The sound is perhaps not thin/lacking body as I had said, more fairly is is lean and fast (which is the whole point of the SET). You can certainly rock to it, but it’s a choice of flavour/texture. The Push Pull is meaty and full, but maybe a bit flabby in the bass end, lots of it but not with the speed and control that the UFO offers. Both are great in their own way and I can’t say which I prefer, almost a matter of mood as much style of music
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