Auto tuba driver GRS 10SW 4HE

[Kenny Qoala]

Is this acceptable?

Product Details
Brand GRS
Model 10SW-4HE
Part Number 292-818
UPC 848864070476
Unit of Measure Each
Weight 10.6
Product Specifications
Nominal Diameter 10"
Bolt Circle Diameter 9.64
Power Handling (RMS) 200 Watts
Power Handling (MAX) 400 Watts
Impedance 4Ω
Frequency Response 26 to 500Hz
Sensitivity 87.5dB 2.83V/1m
Voice Coil Diameter 2"
Thiele-Small Parameters
Resonant Frequency (Fs) 25.2Hz
DC Resistance (Re) 3.8Ω
Voice Coil Inductance (Le) 3mH
Mechanical Q (Qms) 4
Electromagnetic Q (Qes) 0.57
Total Q (Qts) 0.5
Compliance Equivalent Volume (Vas) 2.14ft³
Mechanical Compliance of Suspension (Cms) 0.36mm/N
BL Product (BL) 10.8T·m
Diaphragm Mass Inc. Airload (Mms) 110.7g
Maximum Linear Excursion (Xmax) 11mm
Surface Area of Cone (Sd) 346.4cm²
Materials of Construction
Cone Material Coated Paper
Surround Material Rubber
Voice Coil Wire Material Copper
Voice Coil Former Aluminum
Basket / Frame Material Steel
Magnet Material Ferrite
Mounting Information
Overall Outside Diameter 10.11"
Baffle Cutout Diameter 9.18"
Depth 5.15"
# Mounting Holes 8
Parts Express Staff Recommended Enclosure Volume
Sealed Volume 1ft³
Sealed F3 43Hz
Vented Volume 2ft³
Vented F3 25Hz

[Kenny Qoala]

Fs are a little low and Vas is high. But I wonder. It is a shame the mighty MCM is so expensive now. This changes things. Is this 10 our new go to?
https://www.parts-express.com/GRS-10SW- ... MZnrl8dfcw

[Bill Fitzmaurice]

Fs is too low. Recommended tens are the Dayton DCS 255-4 and LS10-44, Ciare HS251 and PowerBass S-1004.

[Kenny Qoala]

Thank you sir!