Question about Mordaunt Short 906 Rear Speaker

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Mordaunt short 906 tweeters

I need 2 x tweeters for 906 speakers.
Can you help?
Stephen on 07711 628159

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 i have found that partexpress is a good place to replace speakers and much more

Posted on Feb 25, 2009

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Posted on Jan 02, 2017

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Nothing needs fixing but i want to change or get replacement speakers but i am unsure weather i can and which way to go about it if i can

Part numbers of the speakers:


901 GBOXSA125AW01 BH Wooden Box Assembly

902 CPNLSA055AW04 AY Front Panel Assembly

903 TSPC-A694AWZZ AC Label, Specification

904 LHLDZA177AWM1 AQ Super Tweeter Assembly

905 PCUSGA020AWZZ AB Cushion, Foot

906 XEBY730P10000 AA Screw, M3 x10mm

907 XEPY740P16000 AB Screw, M4 X16mm

908 XESY730P10000 AA Screw, M3 x10mm

SP1,2 RSP-ZA236AWZZ BD Woofer

SP3,4 RSP-ZA179AWZZ AR Tweeter
Code first three numbers are layout numbers, then there is the actual part code you can quote. The two letters are a price code which you can ignore and the final bit is the description.


901 GBOXSA070AW01 BG Wooden Box Assembly

902 CPNLSA030AW03 BE Front Panel Assembly

903 HDECQA136AWSB AM Cover, Edge Light

904 HDECQA135AWSB AN Panel, Edge Light

905 PCUSSA013AWZZ AD Port Cushion

906 PCUSGA020AWZZ AB Cushion, Leg

907 XEBY726P10000 AA Screw, M2.6x10mm

909 XMBY740P16000 AC Screw, M4X16mm

910 TSPC-A693AWZZ AC Label, Specification

911 PFLT-A018AWZZ AF Felt A

912 PCUSGA051AWZZ AF Support Cushion

913 PFLT-A020AWZZ AF Felt B

SP1 RSP-ZA077AWZZ BH Speaker
Full service manual here. Free

Apr 27, 2016 | Sharp CD-SW330 Shelf System

1 Answer

Hi, I have a problem with no sound coming from the TWEETER of one of my Wharfedale Diamond 10.1 speaker. The overall sound is very muffled whereas the other speaker is very bright. I have swapped over left...

Check the speaker/s first. If found OK; check and replace the damaged component/s at its audio output section circuit board. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. Surf the site with patience.

Nov 29, 2014 | Audio Players & Recorders

1 Answer

Tweeter no sound but speaker no problem

In the most general, basic sense, I would be assuming that this is just one speaker and not 2 with this problem, or 3 or more.
Only way to get the ball rolling is pull the tweeter from the cabinet, checking to make sure all wires are connected at the tweeter and inside the speaker.
If that is the case, then you would need to determine if this is the tweeters fault, or its crossover (thing that divides the sound into whats right for the woofer and what the tweeter wants).
If you have a multi-meter, you would disconnect the wires from the tweeter, set the meter to ohms and touch a probe to each speaker terminal. No action means burned out tweeter, 100% action means burned out tweeter, a reading slightly less than the rating on the back of the tweeter (for instance an 8 ohm tweeter would show anywhere from 6 to 8 ohms on the meter) means tweeter is good.
If you have no meter then take the tweeter from the good speaker and swap in place of the bad one, making sure you respect + and - connections.Its a little risky this way,since if there is something wrong in the speaker it may hurt the good tweeter..(the meter is the safer bet). If it works, then you need a replacement tweeter, if not the problem is either wire connections inside the speaker, or something is wrong with the crossover.

Nov 03, 2014 | Audio Players & Recorders

1 Answer

Tweeter problem

Since this is a bi-amplified speaker there's only 2 possibilities here:

*Tweeter amp or,
*Tweeter diaphragm.
You can test the diaphragm as a starting point using an ohmmeter to verify tweeter coil impedance, let me know if i can help more.

Mar 21, 2012 | Mackie SRM-450 System

1 Answer

How do I replace the tweeter on Mordaunt Short Avant 906i speakers?

Hi - Just reading your problem with the 906's and removing the front cover to replace the tweeter. Did you ever solve the issue? because I tried today and I can't budge the silver cover once the screws have been removed. My email address is if you can help - thanks

Feb 16, 2012 | Mordaunt Short 906 Rear Speaker

1 Answer

I bought a pair of Mordaunt Short Qviano 1 speakers from Richer Sounds 18 months ago and now find that the tweeter in both units has failed. The amplifier I am using is rated at 70 watts which is within...

Specs refer to UNdistorted sound. Send square waves to any speaker and it will die eventually, perhaps even the amp.

You are more likely to blow up speakers with an under-powered amp pushed to hard than a monster amp running well within its capacity. Distortion percentages rise vertically once the amp's useful range is exceeded. Tweeters are usually the first casualties.

It's tweeter hunting time.

Aug 10, 2011 | Audio Players & Recorders

2 Answers

Diamond 8.4 serie are there 2 way or 3 way


These speakers are 3-way there are 2 woofers and 1 tweeter per speaker. Here are the technical specifications of each speaker:

Two 6.5-inch Kevlar woofers and 1-inch silk-dome tweeter per speaker
86 dB sensitivity
20 to 150 watts recommended power (per channel)
6 ohms impedance
30 to 20,000 Hz frequency response

Please rate my answer if this helps.

Many thanks,


Mar 02, 2011 | Wharfedale Diamond 8.4 Main / Stereo...

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