UMII-18 requires a custom woofer cutout in all our 18" cabs. Please contact us if you intend to use this woofer!
21-Inch Cube, Roundover Series, Flat Packs (2-PACK)

21-Inch Cube, Roundover Series, Flat Packs (2-PACK)

Regular price $1,359.00 $699.00 Sale

ATTENTION:

Shipping is now automatically calculated in the shopping cart for drivers, amplifiers, and single pallet orders to residential addresses in the USA.

If ordering multiple pallets, shipping to a business address, and/or for orders to Canada, please send an email to sales@gsgad.com for a shipping quote and/or shipping discount coupon.

In your email, please include:
1. The products that you intend to purchase
2. Your full shipping address
3. If it is a business address, does the business have a loading dock or forklift 

Shipping to a business address WITHOUT a loading dock or forklift will typically be $50 lower than residential shipping.

Shipping to a business address WITH a loading dock or forklift will typically be $100 lower than residential shipping. 

All GSG flat packs ARE AVAILABLE for local pickup. No freight charges!

ASSEMBLY REQUIRED (Assembly Instructions)

ADDITIONAL HARDWARE IS REQUIRED (Shopping List)

TECHNICAL SPECIFICATIONS

Line-up:

21-inch "Roundover Series" Flat Packs

Model:

21-inch Cube

Design:

GSG fully-interlocking brace design (patent pending), recessed driver, and accommodation for both terminal cup and Speakon connections. 
Bass-reflex (aka front-ported)

Tuning:

19Hz

Finish:

Unfinished MDF panels

Hardware:

Not included - see shopping list

Output:

>127dB @ 70Hz 

Rec. Driver:

21” pro-audio driver (SAN214.50, NSW6021-6, 21SW152-4, 21DS115-4)

Rec. Power:

2,000-5,000 watts+ depending on amp/driver combination

Dimensions:

28.50” wide, 23.50” deep, 32.50” tall
(72.4cm x 59.7cm x 82.6cm) assembled

Weight:

Approx. 120 lbs. each flat pack; total shipping weight including packing and pallet approximately 275 lbs.

Warranty:

1 Year limited warranty against manufacturing and material defects.  Please inspect your cabinet carefully prior to assembly as no returns can be accepted once assembly (glue up) has begun.  Customer is responsible for return shipping and restocking fee.

Protective High Pass

High Pass Filter:
12dB / octave Butterworth @18-20 Hz

Rec. EQ:

Parametric EQ:
Freq=20Hz, Q=0.7, Gain=+10dB

Overall Level Adjustment:
Gain= -10dB

Phase:
180 deg (NX and iNuke amps)