Audio Note ø22 cm woofer, whats the cutout?

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superlian

Member
Joined 2010
#1
I am doing the router work now but hasnt received the drivers yet.

Does anyone know the coutout and rebate of the 22 cm Audio Note chassis?

Is it standard Seas 8 inch driver?

Ø 220,6 mm
Cutout ø >186,4 = reccomended ø 190
Rebate 5,5 mm
 
#2
Interesting 4 ohm 94dB woofers:

488587d1434334261-classic-monitor-designs-audio-note-seas-alnico-bass-jpg


This is a 215 x 186.4 mm. An older 21 but the same cutout.

Seas P21RE/P H0942-08 Woofer. H0313 2015 remake

A 22 must be SEAS current prestige and Excel standard IMO:

E0045-08S W22NY001

Wouldn't be the end of the world if turns out to be 215 mm. Doesn't matter with woofers. I'd go for it! 🙂
 
#4
If you've ordered the 22, it's odds on to be 220.6mm IMO. Perhaps people buying the smaller 21 chassis have old speakers.

I'd keep the cutout as tight as possible at 187mm. Otherwise the mounting screws or bolts won't have much timber to grip.
 
#7
Thx system7

I will have biwiring terminals. Not because i think such things are neccesary (neither cables).

But i will have the option to crossover active and have a «outboard»passive crossover box.

Since i will use Bliesma 34 mm beryllium tweeter the passive crossover have to be made from scratch. This tweeter are capable to cross as low as 1300 Hz. My target is probably 1600-2000 Hz.
 
#8
I can't understand how people pay 785 pounds for a driver which has no valid datasheet and drawing! from a vendor like Audio Note UK and Peter Qurtrop who is basically a fraud (read here) that exploits other people's effort to make money. how can you trust him to pay for what he offers?
 
#9
These drivers with AlNiCo magnets aren't cheap. Add in silver voicecoils and it is not unreasonable.

For instance the SEAS Exotic is £481:

SEAS Exotic X2-08 W8 8 Ohms Woofer

Tony Gee built a speaker called the Plutone along these lines:

Humble Homemade Hifi - Archive

Simple coil on the J8008 Mk II bass and a CL on the tweeter. But highish 3.5kHz crossover you would think.

The theory is that low mechanical loss, or high Qms, makes for great resolution of detail. Usually means non-metallic formers on the voice coil.
 
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#10
This is the version i bought:

Audio Note Woofers | Hifi Collective

SPKR-002/H - 8 Inch woofer, Hemp Cone, copper voice coil, crossover range - Up to 3kHz, 4 ohm. Avaliable as a 21cm diameter 4 hole fixing OR a 22cm 6 hole fixing type. A direct replacement for the AN-E and AN-J woofer. £181.50+vat+p&p


Alnico is very expensive and i think it is to expensive compared to what you get.

I have personal owned / build: Seas Exotic fullrange, Seas FA22 fullrange, Lowther PM6A Alnico, Lowther PM8A Alnico, Audio Nirvana Super8 Alnico, Tone Tubby Red Alnico 12 inch hemp, Fostex FE208ez, Fostex FE203En-S, Tang Band w8-1808.

I think this AN woofer have a OK price. Compared to Seas FA22 it has wide foam surround and hemp membrane.

Hemp is fascinating. It is smooth.
 
#13
Thanks for your reply. My recent experiemnts with the SEAS FA22RCZ in a transmission line used as a midwoofer is also similar to what you described. As if there is an urgency and things happen very fast. Further experiments are in order for me ... I have always wanted an audionote... but now since you tell me that it sounds pretty much the same as the SEAS FA22RCZ, I will happily continue to experiment with that...

Oon
 
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