Logitech z906 - replace speakers - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 4 Old 02-22-2020, 10:32 AM - Thread Starter
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Question Logitech z906 - replace speakers

Hi everyone,

Id like to ask you guys a specific question regarding two replacement speakers for my logitech z906.
I need to replace two front satellites as they are missing. Im using this for both home cinema and music / at low to mid volume at most.

The specs for the original logitech speakers might be this (found in another thread here):

Current spec (power fed from the subwoofer)
Satellites: 335 watts RMS (5 x 67 watts per channel {4 ohms at 3.85kHz, at 10% THD})

Driver of satellite spec ( i got these from the internet, the actual driver used in these satellite speakers)

DIAPHRAGM MTL Paper
SURROUND MTL Santoprene
NOMINAL IMPEDANCE 8 W
DCR IMPEDANCE 6 W
SENSITIVITY 1W/1m 88 dB
FREQUENCY RESPONSE 120 - 20K Hz
FREE AIR RESONANCE 120 Hz
VOICE COIL DIAMETER 20 mm
AIR GAP HEIGHT 4 mm
RATED POWER INPUT 15 W
MAXIMUM POWER INPUT 30 W
FORCE FACTOR, BL 3.2 TM
MAGNET WEIGHT (4 oz) 120 g
MOVING MASS 1.45 g
FERROFLUID ENHANCED No
-1
SUSPENSION COMPLIANCE 1106 MN
2
EFFECTIVE PISTON AREA 0.0032 M
X-max 1 mm
Vas 1.6 Litr
Qts 0.63
Qms 6.88
P Qes 0.69


I have figured that its not a good idea to mess around with larger hifi speakers for replacement, so i tried to find some micro hifi ones.
Found a pair of these:

ONKYO D-T05
Type - 2 way bass-reflex
Impedance - 6 Ω
Maximum input power - 30 W
Output sound pressure level - 82 dB/W/m
Frequency response - 55 Hz - 50 kHz
Crossover frequency - 4.5 kHz
Cabinet capacity - 3.4 liter (0.12 cubic feet)
Driver units - 10 cm (3-15/16") Cone Woofer, 2 cm (3/4") Balanced Dome Tweeter
Terminal - Spring Type Color Coded
Other - Magnetic shielding

The original onkyo amps for the speakers were:
Rated output power - 15 watts minimum continuous
All channels: power per channel, 6 ohm loads, 2 channels driven at 1 kHz, with a maximum total harmonic distortion of 10% (FTC)
2ch x 15 W (6 , 1 kHz, 2ch driven)
THD + N (total harmonic distortion + N ) 10 % (Power Rated)



Im not familiar with how the impedance works out with these two way speakers. Is this a good choice?

Thanks a lot!
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post #2 of 4 Old 02-22-2020, 01:14 PM
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If you enjoy your Logitech speakers why not to try to find replacements on an auction site?
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post #3 of 4 Old 02-22-2020, 01:23 PM - Thread Starter
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Its just not worth it, could almost buy a complete used system instead of two speakers. Thats why im looking for alternatives.
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post #4 of 4 Old 02-23-2020, 03:03 AM - Thread Starter
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Is the a chance it is going to work? (a) yes (b) no
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