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IndyXM6/4 6" 1x4Ohm SVC 220WRMS Professional High SPL Midrange Optimised For Custom Installations


World RRP: £69.99

Category: Midbass & Midrange Speakers

Product code: IndyXM6/4

Introducing the Indy XM – Developed in our own facility here in the UK by our new engineering team. Whilst this is a brand new design, we used the concept of the successful SPL8M.2S as a performance benchmark. In the event, we have smashed the brief, with the Indy XM outperforming the old model easily and in every way. Using carefully custom designed heavy duty cloth spiders tuned to each exact size we were able to develop for excellent reliability and performance while implementing measures to optimise the frequency response. The ultra-lightweight copper coated coil allows for a more musical and accurate sound with the integrated Faraday ring on the VC to smooth the response. Indy XM also features a dual roll treated cloth surround, a coated dimpled textured surface to the cone that acts to increase the effective piston area to move more air and a CNC machined bullet phase plug to further hone response. Dual oversize leads provide as much failsafe reliability as possible when pushed beyond the limit. These are great for small or large door builds in car, or they will delight in the studio in a 2 way mid top box with an appropriate tweeter and crossover. It is important to remember that this is a cloth surround midrange, not a subwoofer. If the speaker is installed in an enclosure we advise a sealed setup to avoid the excursion peak that affects ported enclosures. For keen enthusiasts looking for a lightweight and accurate sounding speaker the Indy XM offers tremendous bandwidth, musicality and surprisingly good mid bass performance. It also has excellent detailed documentation making it easy to set up and use even in more advanced projects. We are sure that the Indy XM will be a firm favourite in the line-up.

Version History


Indy XM concept was designed to offer an all-round ultra-high performance midrange device at a reasonable price point. The new engineering team drew up a wish list of specification points and made several prototypes before settling on the current basket, motor and cone layouts. From there detail changes were made to almost every aspect of the basic design focussing on each detail. Performance was optimised to allow the driver to run well in almost any application. The Indy XM branding was originally conceived in mid-2019, with outline specifications in place by the end of that year. Prototypes were built throughout 2020 and first production models were made available Q3 2021

Series


Indy

Key Facts


Product Category Midbass & Midrange Speakers
Version 1
Series Indy
Date Added 15/02/2021
Date Modified 16/02/2022
Barcode 5060905110827
Production Status Current
Product Net Weight (g) (For Pairs/Sets Weight Is All Major Parts) 2500
Product Height (mm) 87
Product Length (mm) 175
Product Width (mm) 175
Complete Product Pack Weight (g) 2900
Retail Carton L (mm) 195
Retail Carton W (mm) 195
Retail Carton H (mm) 107
Operating Temperature (Degrees Celsius) 0-50
Warranty (Months) 12
Sold As Single

Speaker Data


Continuous RMS Power (Watts) (One Speaker, Using Appropriate Crossover & 0%THD) 220
Overall Diameter (mm) 175
Magnet Diameter (mm) (Including Magnet Protector Where Applicable) 120
Installation Cut-out Diameter (mm) 147
Overall Depth (mm) 88
Mounting Depth (mm) 79
Front Protrusion From Mounting Plane (mm) 8.3
System Frequency Response (Hz) (Indicative Of Usable Range But Not Suitability) 100-13,000
Impedance (Ohm) (Nominal) 4
Sensitivity (db/1Wm) 95.79
Total Magnet Weight (Oz) 34.3
Magnet Size (mm) 120*20
Magnet Type Y35
Magnet Qty 1
Top Plate thickness (mm) 6
Back Plate thickness (mm) 8
Recommended Cable 14AWG/OFC
Recommended Bass Enclosure Type IB
Voice Coil Former Spec Kapton
Voice Coil Type CCA Round Wire
Voice Coil Diameter (mm) 40
Voice Coil Internal Diameter (mm) 38.5
Voice Coil External Diameter (mm) 40
Voice Coil Winding Hight (mm) 9.5
Voice Coil Winding (Layers) s
Cone Type Coated Non Pressed Paper
Spider Compliance Medium
Spider Type Linear
Spider Diameter (mm) 108
Spider Design Single
Surround Dual Roll
Surround Material Cloth
Tinsel Wire Dual
Terminal Push

Technical Highlights


  • High End Cast Basket
  • Copper Shorting Ring (Faraday Ring) For Optimum Impedance Profile
  • Lightweight Coated Paper Cone
  • Push Terminals
  • Heavy Duty Fabric Spider
  • Custom CNC Machined Bullet Phase Plug For A Smoother Response curve
  • Light Weight Copper Coated Coil For A More Musical Response
  • Dual Tinsel lLeads For Fail-Safe In Extreme Use
  • Y35 34 Oz Magnet Structure
  • Large Ceramic Magnet

What's In The Box?


  • 1 x Midrange Driver
  • 1 x Comprehensive Datasheet
  • 1 x Series Window Sticker

TS Parameters


Test Conditions After Full Brake-In
Re (Ohm) 2.99
Le(mH) 0.046
L2(mH) 3.65
R2(Ohm) 2.27
Cmes(uF) 179.60
Lces(mH) 5.97
Res(Ohm) 58.23
fs(Hz) 153.6
Mms (g) 10.533
MMd (g) 8.805
Rms(kg/s) 1.007
Cms(mm/N) 0.102
Kms(N/mm) 9.82
BL (T m) 7.658
Lambda s 0.042
Qtp 0.501
Qms 10.096
Qes 0.581
Qts 0.493
Vas (Ltr) 2.5399
n0(%) 1.708
Lm(dB) 94.53
Lnom(dB) 95.79
rmse Z(%) 2.95
rmse Hx(%) 1.86
Sd(cm2) 132.73
SPL (db/1Wm) 95.79
Xmax Single Way Total (mm) 1.75