hifi engine

Manual Library / Castle

Castle Isis

2-Way Standmount Loudspeaker (1997-98)

add a review add a review

Castle Isis


The Castle Isis sets new performance standards for a speaker of its compact dimensions thanks to the use of Castle designed and developed advanced technology drive units.

Smooth high frequency detail is delivered by our 25mm polyamide dome tweeter.

It's shallow horn loading ensures good treble dispersion on and off axis for a wide listening area.


Type: 2 way, 2 driver loudspeaker system

Frequency Response: 60Hz to 20kHz

Recommended Amplifier: 20 to 80W

Impedance: 8Ω

Sensitivity: 87dB

Bass: 1 x 130mm

Tweeter: 1 x 25mm composite soft dome

Enclosure: bass reflex

Dimensions: 350 x 170 x 195mm

Weight: 5.5kg


instruction/owners manual   English -

Related Catalogues


Price List

If you have any problems opening files please read the download FAQ. All files are provided under strict licence and reproduction without prior permission or for financial gain is strictly prohibited.

If you have additional documentation please consider donating a copy to our free archive.


This website is not affiliated with or sponsored by Castle. To purchase Isis spares or accessories, please contact the company via their website or visit an authorised retailer.