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MartinLogan Installer Series IW5-LCR vs JBL Studio 6 88LCR Comparison

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MartinLogan Installer Series IW5-LCR

Passive In-wall | 60-20kHz

MartinLogan Installer Series IW5-LCR
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JBL Studio 6 88LCR

Passive In-wall | 43-20kHz

JBL Studio 6 88LCR
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MartinLogan Installer Series IW5-LCR MartinLogan Installe...
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JBL Studio 6 88LCR JBL Studio 6 88LCR
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MartinLogan Installe...
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JBL Studio 6 88LCR
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MartinLogan Installer Series IW5-LCR vs JBL Studio 6 88LCR Speaker Comparison

In this review, we will be comparing Installer Series IW5-LCR and Studio 6 88LCR, two Passive In-wall speakers from MartinLogan and JBL.

Let's have a brief look at the main features of MartinLogan Installer Series IW5-LCR and JBL Studio 6 88LCR first before getting into our more detailed comparison.

MartinLogan Installer Series IW5-LCR Key Specs

  • 2-way Design
  • 0.75" Hard-Dome Tweeter
  • 2 x 5.5" Mineral-filled poly Woofer
  • 60-20kHz Frequency Response
  • 89 dB Sensitivity
  • Impedance: 8ohms
  • Power Range:15-70watts
  • Dimensions (H x W x D): 210.0" x 11.6250" x 3.0000"( 210.0 x 296.0 x 77.0mm )

JBL Studio 6 88LCR Key Specs

  • 2-way Design
  • 1" Horn-Loaded Tweeter
  • 2 x 8" PolyPlas Woofer
  • 43-20kHz Frequency Response
  • 96 dB Sensitivity
  • Impedance: 6ohms
  • Power Range:10-175watts
  • Dimensions (H x W x D): 520.0" x 8.7500" x 3.7500"( 520.0 x 223.0 x 96.0mm )

What size room are the MartinLogan Installer Series IW5-LCR 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* MartinLogan Installer Series IW5-LCR JBL Studio 6 88LCR
Near-field Good Poor
Small Room Good Average
Mid-size Room Average Good
Large Room Poor Average
Very Large Room No way 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.)

In the following sections, we will get into more detail in order to better understand how the MartinLogan Installer Series IW5-LCR and JBL Studio 6 88LCR compare and hopefully end up with enough arguments to decide which one of these loudspeakers is the better choice for you.


**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.


Drivers

Both Installer Series IW5-LCR and Studio 6 88LCR are 2-way speakers.

Driver MartinLogan Installer Series IW5-LCR JBL Studio 6 88LCR
Driver Setup 2-way 2-way
Tweeter 0.75-inch 1-inch
Midrange - -
Woofer 2 x 5.5-inch 2 x 8-inch

Installer Series IW5-LCR features a 0.75" Hard-Dome Tweeter and 2 x 5.5" Mineral-filled poly Woofer . On the other hand, the Studio 6 88LCR features a 1" Horn-Loaded Tweeter and 2 x 8" PolyPlas Woofer .

Frequency Response

Installer Series IW5-LCR has a frequency range of 60-20kHz whereas Studio 6 88LCR has a frequency range of 43-20kHz. With a minimum frequency of 43Hz, the Studio 6 88LCR can go significantly deeper on the low side and provide stronger bass compared to the Installer Series IW5-LCR's min frequency of 60Hz.

Below graphs depict how these two speakers compare with the max, min and average values of the Min and Max Frequencies of other speakers in the In-wall class in our database.

Low Frequency

In-wall Speakers

Installer Series IW5-LCR
Studio 6 88LCR
Min
Average
Max
High Frequency

In-wall Speakers

MartinLogan Installer Series IW5-LCR
JBL Studio 6 88LCR
Min
Average
Max

None of these speakers achieves full range experience which is commonly agreed as 20Hz-20kHz. In order to achieve lower lows / deeper bass, we recommend you pair these with a subwoofer. Visit our Powered Subwoofers section to find out more about the available options.

Impedance and Sensitivity

Installer Series IW5-LCR is a 8 ohms speaker compared to the Studio 6 88LCR which has a nominal impedance of 6 ohms.

These two speakers also have different sensitivity levels. Installer Series IW5-LCR sensitivity is rated at 89 dB and the Studio 6 88LCR's is rated at 96 dB. This 7 dB difference makes the JBL Studio 6 88LCR a more sensitive speaker compared to MartinLogan Installer Series IW5-LCR, hence will play louder with the same amount of watts.

Sensitivity

In-wall Speakers

Installer Series IW5-LCR
Studio 6 88LCR
Min
Average
Max

Power Range

Power range is the range of input power in watts RMS that a loudspeaker is designed to handle. While using an amplifier within this range ensures the nominal performance , inputting a power that is higher than the max wattage can result in a damaged speaker.

Installer Series IW5-LCR can handle a max power of 175 watts RMS from the amp the whereas Installer Series IW5-LCR has a max power handling value of 70 watts RMS , 105 watts less than the Studio 6 88LCR.

Keep in mind that a higher max power handling value doesn't necessarily make that a louder speaker compared to a lower max handling speaker. Loudness or the sound level is also impacted by parameters such as Impedance, sensitivity and system efficiencies.

Input Type and Bi-Amping / Bi-Wiring

Installer Series IW5-LCR 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

Size of a speaker can sometimes become an important decision factor due to space constraints or in some cases purely for esthetic reasons. In this section, we are going to compare MartinLogan Installer Series IW5-LCR's and JBL Studio 6 88LCR's external dimensions. MartinLogan Installer Series IW5-LCR has external dimensions of 210.0 x 296.0 x 77.0mm ( 8.2500-inch x 11.6250-inch x 3.0000-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) .

MartinLogan Installer Series IW5-LCR is 310mm shorter and 19mm less deeper than JBL Studio 6 88LCR but it is also 73mm wider.

What's in the Box of MartinLogan Installer Series IW5-LCR?

Here are the items that are included inside the box of Installer Series IW5-LCR:
  • In-wall loudspeaker
  • Grille
  • User-feets Manual
  • Cutout Template
  • 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

  • Reasons to choose MartinLogan Installer Series IW5-LCR over JBL Studio 6 88LCR
    Nominal Impedance 8 ohms vs 6 ohms Less selective with amplifiers
    Height 210mm vs 520mm Easier to fit in smaller spaces
    Price per pair* 760USD vs 1600USD costs less (*prices may change depending on the seller, location and time)

    Reasons to choose JBL Studio 6 88LCR over MartinLogan Installer Series IW5-LCR

    Max Input Power 175 watts vs 70 watts Handle more power from your amplifier
    Sensitivity 96 dB vs 89 dB Play louder with same amount of amplification power
    Woofer Size 8 inches vs 5.5 inches Larger woofer
    Low Frequency Response 43 Hz vs 60 Hz Generates deeper bass
    Base Surface Area 214cm2 vs 227cm2 Takes less floor space
    MartinLogan Installer Series IW5-LCR vs JBL Studio 6 88LCR Specs Table
    Detailed comparison of specifications
    General MartinLogan Installer Series IW5-LCR JBL Studio 6 88LCR
    Brand MartinLogan JBL
    Speaker Type Passive In-wall Speaker Passive In-wall Speaker
    Power Range 15-70 watts 10-175 watts
    Sensitivity 89 dB 96 dB
    Impedance 8 ohms 6 ohms
    Frequency Response 60-20kHz 43-20kHz
    Drivers
    Woofer Quantity 2 2
    Woofer Size 5.5" 8"
    Woofer Composition Mineral-filled poly PolyPlas
    Woofer Surround Material Rubber Rubber
    Tweeter Size 0.75" 1"
    Tweeter Type Hard-Dome Horn-Loaded
    Aimable Tweeter No No
    Midrange Driver N/A" N/A"
    Physical Specs
    Height 210.0mm (8.3") 520.0mm (20.5")
    Width 296.0mm (11.7") 223.0mm (8.8")
    Depth 77.0mm (3") 96.0mm (3.8")
    Enclosure In-wall In-wall
    Moisture Resistancy No No
    Connections
    Biamp Inputs No No
    Other
    Parts Warranty 5 Yrs w/ Registration 5 Years
    Labor Warranty 5 Yrs w/ Registration 5 Years

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