In this review, we will be comparing AK7 and Synchrony T600, two Passive Floor-standing speakers from Klipsch and PSB.
Let's have a brief look at the main features
of Klipsch Klipschorn AK7 and PSB Synchrony T600 first before getting into our more
detailed comparison.
| Key Specs | Klipsch Klipschorn AK7 | PSB Synchrony T600 |
|---|
| Design | 3-way | 3-way |
|---|
| Tweeter | 1" Tractrix horn | 1" Dome |
|---|
| Midrange | 3" | 5.25" |
|---|
| Woofer | 15" fiber-composite with a trihedral exponential folded horn | 3 x 6.5" Carbon fiber |
|---|
| Frequency response | 34-19k Hz | 24-23k Hz |
|---|
| Sensitivity | 103 dB | 89 dB |
|---|
| Impedance | 8 ohms | 4 ohms |
|---|
| Power range | up to 100 watts | 20-300 watts |
|---|
| Weight | 118.18kg / 260lbs | 34.90kg / 76.8lbs |
|---|
| Dimensions (H x W x D) | 53" x 31-1/4" x 28-1/4"
1347.0 x 794.0 x 718.0mm | 41-1/4" x 9" x 13-1/2"
1048.0 x 228.0 x 343.0mm |
|---|
The sections below take each area in turn: drivers, frequency response, physical size and what you get in the box.
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Drivers
Both AK7 and Synchrony T600 are 3-way speakers.
Klipsch Klipschorn AK7PSB Synchrony T600
TweeterMidrangeWoofer
Front view, drawn to scale - cabinets and drivers share one scale, so sizes are directly comparable. Hover a driver for its size.
| Driver |
Klipsch Klipschorn AK7 |
PSB Synchrony T600 |
|
Driver Setup
|
3-way
|
3-way
|
|
Tweeter
|
1-inch
|
1-inch
|
|
Midrange
|
1 x 3-inch |
1 x 5.25-inch |
|
Woofer
|
1 x 15-inch
|
3 x 6.5-inch
|
AK7 features a 1" polyimide diaphragm compression Tractrix horn Tweeter, a 3" Midrange and 1 x 15" fiber-composite with a trihedral exponential folded horn Woofer with a Crossover frequency at 380Hz - 290Hz. On the other hand, the Synchrony T600 features a 1" titanium with ferrofluid cooling and neodymium magnet Dome Tweeter, a 5.25" Midrange and 3 x 6.5" Carbon fiber Woofer with a Crossover frequency at 450Hz and 1800Hz.
Frequency Response
AK7 has a frequency range of 34-19k Hz whereas Synchrony T600 has a frequency range of 24-23k Hz. With a minimum frequency of 24Hz, the Synchrony T600 can go significantly deeper on the low side and provide stronger bass compared to the AK7's min frequency of 34Hz.
The graph below depicts how these two speakers compare with the max, min and average Low Frequency values of other speakers in the Floor-standing class in our database.
Low Frequency
Floor-standing Speakers
Neither pair reaches down to 20Hz, the usual definition of full-range, which is normal for speakers of this size. If you want the bottom octave for movies or bass-heavy music, add a subwoofer to whichever you choose. Visit our Powered Subwoofers section to find out more about the available options.
Impedance and Sensitivity
AK7 is a 8 ohms speaker compared to the Synchrony T600 which has a nominal impedance of 4 ohms. Lower impedance speakers, especially the ones that are rated at 4 ohms may put more pressure on the amplifier unit especially when played at high volume levels, so make sure the amp you pair with the Synchrony T600 can provide this impedance level.
These two speakers also have different sensitivity levels. AK7 sensitivity is rated at 103 dB and the Synchrony T600's is rated at 89 dB. This 14 dB difference makes the Klipsch Klipschorn AK7 a more sensitive speaker compared to PSB Synchrony T600, hence will play louder with the same amount of watts.
Sensitivity
Floor-standing Speakers
Power Range
Power
range is the range of input power in watts RMS that a loudspeaker is designed to handle. Staying
within that range gives nominal performance; driving the speaker beyond its maximum wattage can damage it.
Synchrony T600 can handle a max power of 300 watts RMS, whereas AK7 has a max power handling value of 100 watts RMS, 200 watts less than the Synchrony T600.
Note that higher power handling does not make a speaker louder: that depends mainly on
sensitivity and impedance. The calculator below shows how loud each of these actually plays
on a real amplifier.
Which plays louder on your amplifier?
Starting with a popular amplifier — change it to the one you own, or any you are
considering, and watch both numbers move.
Input Type and Bi-Amping / Bi-Wiring
Both AK7 and Synchrony T600 features dual binding post speaker terminals for bi-amping or bi-wiring.
Klipsch Klipschorn AK7's Binding post terminals allows Bi-amping or bi-wiring
PSB Synchrony T600's Binding post terminals allows Bi-amping or bi-wiring
Physical Specs
The size of a speaker can sometimes be an important decision factor due to space constraints or in some cases purely for esthetic reasons. In this section, we are going to compare Klipsch Klipschorn AK7's and PSB Synchrony T600's external dimensions. Klipsch Klipschorn AK7 has external dimensions of 1347.0 x 794.0 x 718.0mm (53 x 31-1/4 x 28-1/4inch) whereas PSB Synchrony T600 has external dimensions of 1048.0 x 228.0 x 343.0mm (41-1/4 x 9 x 13-1/2inch).
Klipsch Klipschorn AK7 is clearly the larger of the two speakers. Its body is 566mm wider, 299mm taller and 375mm deeper than PSB Synchrony T600.
Below you can see the front view size comparison of Klipsch Klipschorn AK7 and PSB Synchrony T600 in scale.
Comparison image of Klipsch Klipschorn AK7 and PSB Synchrony T600 Size and External Dimensions
Base Surface Area Comparison
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base surface area of the Klipsch Klipschorn AK7 is approximately 5700.9cm2 / 883.6inch2 and base area of the PSB Synchrony T600 is approximately 782.0cm2 / 121.2inch2. The AK7 requires 629% more surface area than the Synchrony T600 which gives it a small disadvantage on placement in tight spaces.
Weight Comparison The weight of a loudspeaker can become an important factor if you need to move and reposition the unit often. Weight of a speaker can also "sometimes" be an indicator of the rigidity of the enclosure and the quality of the internal components used. The Klipsch Klipschorn AK7 weighs 118.18kg / 260lbs and the PSB Synchrony T600 weighs 34.90kg / 76.8lbs. This makes the AK7 239% heavier than the Synchrony T600.
Here is a comparison of how AK7 and Synchrony T600's weights compare with the average, max and min weights in Passive Floor-standing class.
Weight
All Floor-standing Speakers
What's in the Box of Klipsch Klipschorn AK7?
Here are the items that are included inside the box of AK7:
- 2 Loudspeaker cabinets
- 2 Subwoofer cabinets
- 2 Grilles
- Owners Manual
- Congratulations letter
- Klipsch brochure
What's in the Box of PSB Synchrony T600?
Here are the items that come with the Synchrony T600:
- Floorstanding loudspeakr
- Grille
- 2 Binding-post jumpers (pre-installed)
- 4 Isolation feet
- 2 Port plugs
- Owners Manual
- Warranty Card
 Sensitivity |
103 dB
vs
89 dB
|
Play louder with same amount of amplification power |
 Nominal Impedance |
8 ohms
vs
4 ohms
|
Less selective with amplifiers |
 Woofer Size |
15 inches
vs
6.5 inches
|
Larger woofer |
 Max Input Power |
300 watts
vs
100 watts
|
Handle more power from your amplifier |
|
Number of Woofers |
3
vs
1
|
More woofers |
|
Low Frequency Response |
24 Hz
vs
34 Hz
|
Generates deeper bass |
 High Frequency Response |
23k Hz
vs
19k Hz
|
Generates higher frequency |
 Height |
1048mm
vs
1347mm
|
Easier to fit in smaller spaces |
 Base Surface Area |
782cm2
vs
5700cm2
|
Takes less floor space |
 Price per pair* |
8000USD
vs
17998USD
|
costs less (*prices may change depending on the seller, location and time) |
| General |
Klipsch Heritage Klipschorn AK7 |
PSB Synchrony T600 |
| Brand |
Klipsch |
PSB |
| Speaker Type |
Floor-standing speaker |
Floor-standing speaker |
| Power Range |
up to 100 watts |
20-300 watts |
| Sensitivity |
103 dB |
89 dB |
| Impedance |
8 ohms |
4 ohms |
| Impedance |
4 ohms |
4 ohms |
| Frequency Response |
34-19k Hz |
24-23k Hz |
Drivers |
|
|
| Woofer Quantity |
1 |
3 |
| Woofer Size |
15" |
6.5" |
| Woofer Composition |
fiber-composite with a trihedral exponential folded horn |
Carbon fiber |
| Woofer Surround Material |
Rubber |
Rubber |
| Tweeter Size |
1" |
1" |
| Tweeter Type |
Tractrix horn |
Dome |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
3" |
5.25" |
| Crossover Frequency |
380Hz - 290Hz |
450Hz and 1800Hz |
| Firing Direction |
n/a |
rear |
Physical Specs |
|
|
| Height |
1347.0mm (53") |
1048.0mm (41.3") |
| Width |
794.0mm (31.3") |
228.0mm (9") |
| Depth |
718.0mm (28.3") |
343.0mm (13.5") |
| Weight |
118.18kg (260lbs) |
34.90kg (76.8lbs) |
| Enclosure |
Acoustic Suspension |
Bass Reflex |
| Finish |
MDF/Wood veneer |
MDF/Lacquer |
| Available Colors |
American Auburn, Black Ash, American Walnut |
Gloss Black, Satin Walnut |
| Grille |
Yes |
Yes |
| Moisture Resistancy |
No |
No |
Connections |
|
|
| Biamp Inputs |
Yes |
Yes |
Other |
|
|
| Parts Warranty |
10 Years |
5 Years |
| Labor Warranty |
10 Years |
5 Years |
These sit in different price classes - Klipsch Klipschorn AK7 costs roughly 2.2x what PSB Synchrony T600 does. Expect it to lead on paper; the question is whether the gap is audible enough in your room to be worth it.
| Area | Better | Why |
|---|
| Bass |
B |
PSB Synchrony T600 digs deeper - 24Hz against 34Hz. |
| Amplifier needs |
A |
Klipsch Klipschorn AK7 is more sensitive (103dB vs 89dB), so it goes louder on the same amplifier. |
| Amplifier match |
A |
Klipsch Klipschorn AK7 is the easier load at 8 ohms; the other is 4 ohms and wants an amplifier rated for it. |
| Headroom |
B |
PSB Synchrony T600 takes more power (300W vs 100W) - more in hand in a big room. |
| Size |
depends |
PSB Synchrony T600 is easier to place; Klipsch Klipschorn AK7 is bigger, which usually goes with fuller bass. Your room decides. |
| Cabinet |
depends |
Sealed vs Ported. Sealed is tighter and happier near a wall; ported digs lower but wants space behind it. |
| Expandability |
depends |
Klipsch Klipschorn AK7: bi-amping; PSB Synchrony T600: bi-amping. Klipsch Klipschorn AK7 sits in a wider range (12 models), so a matched surround system is easier later. |
| Price |
B |
PSB Synchrony T600 is cheaper - $8,000 against $17,998, about 56% less; arguably a different class. |
A Klipsch Klipschorn AK7
B PSB Synchrony T600
depends neither is better in the abstract - it turns on your room, placement or how you will use them.
Only specs published for both speakers are judged; anything missing on either side is left out rather than guessed.
Which should you choose?
Neither runs away with it - they trade advantages. Let the "depends" rows and your own room settle it. If a subwoofer is in your plans, the bass gap largely stops mattering - you would be crossing over above 34Hz anyway, so judge these on the other rows instead. In a large or open-plan room, Klipsch Klipschorn AK7 has the cabinet volume to fill it more easily; in a small room, near a wall or at desk distance, PSB Synchrony T600 is the easier speaker to get right.
And remember what a spec sheet cannot show: how each looks in your room and whether the finish suits it, what dealer support and warranty are like where you live, and how they actually sound to you. If you can hear them first - ideally with your own music - that will tell you more than any number above.