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Mission 710

2-way infinite baffle loudspeaker system

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Mission 710


Type: 2 way, 2 driver loudspeaker system

Frequency Response: 60Hz to 20kHz

Recommended Amplifier: 15 to 80W

Crossover Frequency: 2200Hz

Impedance: 8Ω

Sensitivity: 84dB

Bass: 1 x 210mm plastiflex cone

Tweeter: 1 x 25mm soft dome

Enclosure: infinite baffle

Finish: walnut, teak

Dimensions: 520 x 290 x 260mm

Weight: 11.5kg



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Reviewed Sep 27th, 2015 by Geoffo

Bought these speakers for a drop-down price of around £20 because unfortunately, all the drive units were removed (as were the crossovers and speaker terminals) and so all that was left were empty boxes. However, I saw the potential in the Mission 710's carcasses as they were really well made and even veneered on the inside! I fitted them with the closest replacements I could find, settling for the 210mm polypropylene bass units by Monacor (£45 each) while replacing the tweeters with a couple of Classic Morel 298 1inch silk dome units @ £30 a piece). Crossover networks were ready made ones manufactured and made in the UK by a company called Terralec and they cost me £42 for the pair. They have a 2.5k, 12db (second order) band pass (as opposed to the 710's original 2.2k x/over). I sanded down the cabinets as there were quite a few deep scratches, and painted the back, sides and tops in black, while applying a couple of coats of pillar box red to the front of the boxes (this sets off the driver's nicely from an aesthetic point of view). Adding everything up (including a further 10 quid for a pair of speaker terminals, as well as paint and glue etc), and this 'project' has cost me the best part of £250 if I'm honest. And yet, they sound fantastic and are virtually new speakers in a shell that was made in June 1980 (a date stamp appears on the inside of both cabinets). I can confidently say that the quality of sound that emanates from these faux Mission's more than makes up for the outlay. Who know's, they could even sound better than the original? Geoffo.



re: 710

Nice write up. I've just followed your ideas and replaced my old 710s with Monaco SPH 210s, but used Vifa D27TG-35-06 instead of the Morel tweeters. I haven't changed the crossovers and wondered what Terralec models you used - 2,5khz filters seem fairly difficult to find. Thanks for the write up.

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