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IndyM10/4 10" 1x4Ohm SVC 250WRMS Quality High SPL Wide Range Driver Optimised For Custom Installations

World RRP: £74.99

Category: Midbass & Midrange Speakers

Product code: IndyM10/4

Introducing the Bass face Indy M. Developed in our own facility here in the UK by our new engineering team. This is a brand new design - not a single part of the Indy M is carried over from previous models. Starting with a blank sheet of paper we designed everything to offer the best possible reliability and performance for the price point. Many prototypes were made and modified along with a tremendous amount of reliability testing undertaken to ensure outstanding longevity. Using custom designed coils and spiders tuned to each exact model we were able to develop for excellent reliability and performance while implementing measures to increase the frequency response. These are great for small or large door builds in the car or studio in a 2 way mid top box with an appropriate tweeter and crossover. The large high temperature voice coil with integrated Faraday Ring on the VC is supported by a dual roll treated cloth surround and a heavy duty cloth spider. A dimpled textured surface to the cone acts to increase the effective piston area in turn moving more air, creating more SPL. For keen enthusiasts looking for a lightweight and accurate sounding Speaker the Indy M offers tremendous bandwidth, musicality and surprisingly good mid bass performance. It also has excellent detailed documentation making it easy to set up and use, as well as allowing the construction of more advanced projects. We firmly believe that this is one of the best midrange speakers in its class.

Version History

Indy M concept was designed to offer an all-round 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 M 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



Key Facts

Product Category Midbass & Midrange Speakers
Version 1
Series Indy
Date Added 15/02/2021
Date Modified 16/02/2022
Barcode 5060905110704
Production Status Current
Product Net Weight (g) (For Pairs/Sets Weight Is All Major Parts) 2200
Product Height (mm) 105
Product Length (mm) 257
Product Width (mm) 257
Complete Product Pack Weight (g) 2900
Retail Carton L (mm) 277
Retail Carton W (mm) 277
Retail Carton H (mm) 125
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) 250
Overall Diameter (mm) 257
Magnet Diameter (mm) (Including Magnet Protector Where Applicable) 134
Installation Cut-out Diameter (mm) 230
Overall Depth (mm) 105
Mounting Depth (mm) 99
Front Protrusion From Mounting Plane (mm) 6
System Frequency Response (Hz) (Indicative Of Usable Range But Not Suitability) 100-10,000
Impedance (Ohm) (Nominal) 4
Sensitivity (db/1Wm) 94.2
Total Magnet Weight (Oz) 40
Magnet Size (mm) 145*25
Magnet Type Y30
Magnet Qty 1
Top Plate thickness (mm) 6
Back Plate thickness (mm) 8
Recommended Cable 16AWG/OFC
Voice Coil Former Spec Kapton
Voice Coil Type CCA Round Wire
Voice Coil Diameter (mm) 52.4
Voice Coil Internal Diameter (mm) 50.8
Voice Coil External Diameter (mm) 52.4
Voice Coil Winding Hight (mm) 9.8
Voice Coil Winding (Layers) 2
Cone Type Pressed Paper
Spider Compliance Medium
Spider Type Linear
Spider Diameter (mm) 146
Spider Design Single
Surround Dual Roll
Surround Material Cloth
Tinsel Wire Single
Terminal Push

Technical Highlights

  • Y30 40 Oz Magnet Structure
  • Copper Shorting Ring (Faraday Ring) For Optimum Impedance Profile
  • Lightweight Paper Cone
  • Push Terminals
  • Large Ceramic Magnet
  • Heavy Duty Fabric Spider
  • Light Weight Copper Coated Coil For A More Musical Response

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) 3.28
Le(mH) 0.073
L2(mH) 0.541
R2(Ohm) 3.00
Cmes(uF) 486.96
Lces(mH) 7.01
Res(Ohm) 52.90
fs(Hz) 86.2
Mms (g) 31.672
MMd (g) 24.388
Rms(kg/s) 1.230
Cms(mm/N) 0.108
Kms(N/mm) 9.28
BL (T m) 8.065
Lambda s 0.070
Qtp 0.821
Qms 13.944
Qes 0.865
Qts 0.814
Vas (Ltr) 18.2939
n0(%) 1.301
Lm(dB) 93.34
Lnom(dB) 94.20
rmse Z(%) 2.55
rmse Hx(%) 1.02
Sd(cm2) 346.36
SPL (db/1Wm) 94.2
Xmax Single Way Total (mm) 1.9