In this review, we will be comparing IW-DC51-W and Studio 6 88LCR, two Passive In-wall speakers from ELAC and JBL.
Let's have a brief look at the main features
of ELAC IW-DC51-W and JBL Studio 6 88LCR first before getting into our more
detailed comparison.
| Key Specs | ELAC IW-DC51-W | JBL Studio 6 88LCR |
|---|
| Brand | ELAC Germany · founded 1926 | JBL United States · founded 1946 |
|---|
| Design | 2-way | 2-way |
|---|
| Tweeter | 1" Soft-Dome | 1" Horn-Loaded |
|---|
| Woofer | 5.25" Woven Aramid-Fiber | 2 x 8" PolyPlas |
|---|
| Frequency response | 45-20kHz | 43-20kHz |
|---|
| Sensitivity | 87 dB | 96 dB |
|---|
| Impedance | 6 ohms | 6 ohms |
|---|
| Power range | 30-120 watts | 10-175 watts |
|---|
| Weight | 4.85kg / 10.7lbs | — |
|---|
| Dimensions (H x W x D) | 6.2500" x 16.5000" x 3.3750" 159.0 x 420.0 x 86.0mm | 20.4375" x 8.7500" x 3.7500" 520.0 x 223.0 x 96.0mm |
|---|
What size room are the ELAC IW-DC51-W and JBL Studio 6 88LCR speakers good for?
The size of the room in which you are planning to use these loudspeakers is an important decision
factor. Here we have compared their suitability to various sizes of environments considering their size
and max power parameters:
| Listening Environment* |
ELAC IW-DC51-W |
JBL Studio 6 88LCR |
| Near-field |
Poor |
Poor |
| Small Room |
Average |
Average |
| Mid-size Room |
Good |
Good |
| Large Room |
Average |
Average |
| Very Large Room |
Poor |
Poor |
(* Approximate Room sizes: Small < 100sq. ft / 9 m2,
Mid-size: 100-220 sq. ft / 9-20 m2, Large 220-400 sq. ft / 20-36 m2, Very Large: >
400 sq. ft / 36 m2.
Average Floor Height: 9" / 2.7m. Typical room sizes differ from country to country, and the actual
listening experience changes depending on floor height, room shape, surface materials, listening
position, speaker locations, etc.)
The sections below take each area in turn: drivers, frequency response, physical size and what you get in the box.
**This post contains affiliate links, and we will be compensated if you make a purchase after clicking
through our links. As an Amazon Associate I earn from qualifying purchases.
Drivers
Both IW-DC51-W and Studio 6 88LCR are 2-way speakers.
ELAC IW-DC51-WJBL Studio 6 88LCR
TweeterWoofer
Front view, drawn to scale - cabinets and drivers share one scale, so sizes are directly comparable. Hover a driver for its size.
| Driver |
ELAC IW-DC51-W |
JBL Studio 6 88LCR |
|
Driver Setup
|
2-way
|
2-way
|
|
Tweeter
|
1-inch
|
1-inch
|
|
Midrange
|
- |
- |
|
Woofer
|
1 x 5.25-inch
|
2 x 8-inch
|
IW-DC51-W features a 1" Soft-Dome Tweeter and 1 x 5.25" Woven Aramid-Fiber Woofer. On the other hand, the Studio 6 88LCR features a 1" Horn-Loaded Tweeter and 2 x 8" PolyPlas Woofer.
Frequency Response
IW-DC51-W has a frequency range of 45-20kHz whereas Studio 6 88LCR has a frequency range of 43-20kHz. With a minimum frequency of 43Hz, the Studio 6 88LCR can go slightly deeper then the IW-DC51-W's min frequency of 45Hz.
The graph below depicts how these two speakers compare with the max, min and average Low Frequency values of other speakers in the In-wall class in our database.
Low Frequency
In-wall 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
IW-DC51-W and Studio 6 88LCR have the same Impedance of 6 ohms but where they differ is the sensitivity levels. IW-DC51-W sensitivity is rated at 87 dB and the Studio 6 88LCR's is at 96 dB. This 9 dB difference makes the JBL Studio 6 88LCR a more sensitive speaker compared to ELAC IW-DC51-W, hence will play louder with the same amount of watts.
Sensitivity
In-wall 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.
Studio 6 88LCR can handle a max power of 175 watts RMS, whereas IW-DC51-W has a max power handling value of 120 watts RMS, 55 watts less than the Studio 6 88LCR.
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
IW-DC51-W features Spring posts type posts and Studio 6 88LCR has a Spring posts type posts. None of these speakers feature bi-amping/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 ELAC IW-DC51-W's and JBL Studio 6 88LCR's external dimensions. ELAC IW-DC51-W has external dimensions of 159.0 x 420.0 x 86.0mm (6.2500-inch x 16.5000-inch x 3.3750-inch) whereas JBL Studio 6 88LCR has external dimensions of 520.0 x 223.0 x 96.0mm (20.4375-inch x 8.7500-inch x 3.7500-inch).
ELAC IW-DC51-W is 361mm shorter and 10mm less deeper than JBL Studio 6 88LCR but it is also 197mm wider.
Below you can see the front view size comparison of ELAC IW-DC51-W and JBL Studio 6 88LCR in scale.
Comparison image of ELAC IW-DC51-W and JBL Studio 6 88LCR Size and External Dimensions
What's in the Box of ELAC IW-DC51-W?
Here are the items that are included inside the box of IW-DC51-W:
- In-wall center-channel speaker
- Grille
What's in the Box of JBL Studio 6 88LCR?
Here are the items that come with the Studio 6 88LCR:
- In-wall loudspeaker
- Grille
- Cut-Out Template
- Quick Start Guide