Klipsch Heresy IV is one of the most coveted speakers to ever grace the world of HiFi, it is a legendary floor-standing speaker that has been around for decades and the Heresy IV is the most up-to-date so far. The Klipsch Heresy IV is built from the ground up entirely by hand, which shows how much Klipsch cares for this speaker and you can be assured of its premium quality.
In order for the Klipsch Heresy IV to sound their very best, it is absolutely necessary to find the best matching amp for them. To do so, we must first find out their strengths and sound characteristics which are crucial information that is required to find the right amplifier. Once we have shared with you all these important details, we will then show you a list of the best amps that you can go for and pair them with your Klipsch Heresy IV floor-standing speakers.
Sound Characteristics and Strengths of Klipsch Heresy IV
When you see them placed on the floor without their speaker grills on, you will know that you got something special. The Klipsch Heresy IV is a three-way horn-loaded speaker with a K-107-TI 1 inch (25.4mm) Titanium diaphragm compression driver, a K-702 1.75 inch (44.5mm) polyimide diaphragm compression driver mated to a K-704 Tractrix horn, and a K-28-E 12 inch (304.8mm) Fiber-composite cone woofer. Unlike its predecessors, this speaker version has a rear Tractrix bass port, which improves its bass performance significantly. From the size of these drivers and the newly added rear port design, we have no doubt that the Klipsch Heresy IV is more than capable of delivering powerful low frequency.
The frequency response of 48Hz-20kHz (+/-4dB) is certainly impressive, as even though they are floor-standing speakers, the Klipsch Heresy IV speakers are quite compact in size. They are shorter than most floorstanders as well. The Klipsch Heresy IV will probably attract attention when placed inside most homes which is a good thing, as this is when you can share their prestigious legacy with your friends and guests. Due to their legendary status, aesthetically it wouldn’t be an issue when pairing with most amplifiers. The nominal impedance of Klipsch Heresy IV is 8 Ohms and with a speaker sensitivity of 99dB, they should be easily driven by most amps. The power handling is 100 Watts (continuous) and 400 Watts (peak), we would suggest providing them with the highest quality matching amplifiers so as to unlock their fullest potentials.
The bass reproduction of Klipsch Heresy IV is just superb, it is absolutely clean sounding, rich and taut. It effortlessly reproduces the bass with ultra-low distortion, it doesn’t exaggerate as well. The timing and precision of the low-ends allow them to blend in nicely with the rest of the frequencies, never overwhelming them. We only wish that the Klipsch Heresy IV could dig even deeper into the bass extension then it would be perfect. The high frequency of this speaker has that crystal clear clarity where it is crisp without sounding too harsh. At high volumes, it still sounded very clean and natural. What we really love about the Klipsch Heresy IV is the lack of colorations, its faithful music presentation without sounding clinical.
The stereo imaging is impeccable, every instrument and vocalist is fully detailed on the soundstage, delivering you a lifelike performance. The subtle musical details are clear as day, which can be mesmerizing at times as you are been enveloped into the spacious sound field. You may even hear new details from your favorite tunes that you have missed from lesser speakers. The engaging music delivery, the liveliness, and energy provided by the speaker, the powerful sound reproduction of Klipsch Heresy IV all work seamlessly together to provide you with endless hours of joyous music listening experience.
The Klipsch Heresy IV never fails to entertain you with its pristine high-quality music playback, it will certainly be capable of handling most music genres but for soundtracks that relies heavily on subterranean deep bass, it is recommended to get high quality sealed subwoofers that can match with the speed of Klipsch Heresy IV. If you do not wish to get a subwoofer, you can try placing the speakers nearer to the rear wall until you get the bass performance that you desire. The agility and timing of the Heresy IV are astonishing, handling the music transients with class-leading control. This pair of floor-standing speakers deserve the very best of HiFi audio components. We will now share with you the best amps that you can choose to match with your Klipsch Heresy IV speakers.
Klipsch Heresy IV Specifications
- Speaker Type: Bass-reflex (rear-firing)
- Drive Units: K-107-TI 1 inch (25.4mm) Titanium diaphragm compression driver, a K-702 1.75 inch (44.5mm) polyimide diaphragm compression driver mated to a K-704 Tractrix horn, and a K-28-E 12 inch (304.8mm) Fiber-composite cone woofer
- Frequency Response (+/-4dB): 48Hz-20kHz
- Recommended Power: 100 Watts (Continuous) and 400 Watts (Peak)
- Nominal Impedance: 8 Ohms
- Sensitivity (2.83V @ 1m): 99dB
- Dimensions (H x D x W): 630mm x 337mm x 394mm, 24.8″ x 13.3″ x 15.5″
- Weight: 20.4kg (45lbs)
Best Amps to pair with Klipsch Heresy IV
Making use of Klipsch Heresy IV efficiency, the Pass Labs INT-60 is one of the best amps to partner with. It has the coveted Class A power until 30 Watts (high-bias operation) which the remaining power will be from Class AB (up to 60 Watts). Providing you with sonic purity and premium quality musical fidelity, simply saying it is a beautiful sound. The strengths and sonic characteristics of the Pass Labs INT-60 complements your Klipsch Heresy IV speakers extremely well, providing you with a memorable music listening experience every single time. The only qualm will be the mismatched aesthetics but is a small price to pay for remarkable sound performances.
Cambridge Audio Edge A is an exceptional integrated amplifier that delivers a huge sonic scale and powerful sound reproduction, not to mention, the amp is always in control even at high volumes which your Klipsch Heresy IV can easily reach due to its high efficiency. The transparency and clarity of the sound reproduction are astonishing as well but never sounding clinical due to its smooth-sounding nature. The Edge A along with the Klipsch Heresy creates a musical holographic soundstage, thanks to both of their remarkable stereo imaging capability. With both of their strengths combined, you’ll be enjoying your favorite tunes for hours on end.
The Sugden A21SE provides you with 30 Watts (8 Ohms) of the illustrious pure Class A power, driving your Klipsch Heresy IV to reproduce pristine high fidelity sound. The music delivery will have crystal clear highs and spacious sound, furthermore, a dead quiet operation where you only hear the sound of your favorite tunes. Making use of the Heresy IV speaker’s high sensitivity, you can get to enjoy your music with absolute sonic purity at high volume. Sugden A21SE is quite affordable compared to other amps with the same amount of Class A wattage, definitely worthy of your time to audition them.
For Class A power amplifiers, the Pass Labs are definitely one of the top choices and you might want to check out their XA60.8 Class A mono power amp. 60 Watts of pure Class A power, this esteem sonic purity delivers the quietest of background noise and ensuring the subtlest of sound are been heard with clarity which your Klipsch Heresy IV will be eager to reveal to you. The sweet sound quality is musical and tonally balanced, there’s a pinch of warmth that soothes off hard edges, making it forgiving to bad recordings. If you want beautiful music to be heard from your sound system, Pass Labs XA60.8 is definitely one of the very best choices and deserves your time for an audition.
For tube preamps, McIntosh is probably the best preamp choice for your Klipsch Heresy IV floor-standing speakers, heck, actually even their solid-state preamplifiers are amazing with Heresy IV as well. The soundstage is incredibly large and spacious with pinpoint accuracy, furthermore, the musicality of the McIntosh is alluring and very well suited with Klipsch Heresy speakers. For digital preamps, the NAD M12 will be an exceptional choice for the Klipsch Heresy IV, not just because of the various powerful modern digital features but also the fully balanced Class-A buffer stage which delivers clean and transparent sound quality. The sound characteristic is also more neutral than warm sounding.
One of the best power amplifiers that you can partner with Klipsch Heresy IV will be the Benchmark AHB2 which is also one of the top choices. They have superb sonic performance and ultra-clean sound, providing one of the cleanest sound reproduction you can get at this price range. Parasound power amplifiers are fantastic choices as well, especially their High bias Class A/AB operation power amps which are powerful and musical sounding. If you prefer more liveliness without sounding too harsh and overly bright, the Yamaha Audio A-S2200SL will be some of the best integrated amplifier choices.
If you are planning to integrate a subwoofer into the mix, we will recommend high-quality sealed subwoofers such as the SVS SB-3000 which is a 13-inch driver with 800 Watts RMS and 2,500 Watts Peak power, more than enough power to handle any music or movie genres. More importantly, is the musicality of sealed subwoofers as their bass response is faster and more agile than ported sub, capable of keeping up with the rest of the speakers without breaking up the seamless cohesive sound delivery. Rythmik Audio will be another premium quality subwoofer brand to look out for, their F12SE is a 12 inch sealed audiophile sub which is one of the best subwoofers in the world.
To Sum It Up
The listed amplifiers are some of the best amps in the world, the cream of the crops. You should take the time and effort to arrange an audition with them, as they definitely deserve your consideration. Feel free to take this list as references when hunting for amplifiers on your own, just remember to hear them out first before making a decision. If possible, audition both the amp and Klipsch Heresy IV at your own listening room.