Gallien-Krueger MB 212-II 500W Bass Combo Amplifier

Get Heavyweight Power In An Ultra-Light Combo - The Gallien-Krueger MB 212-II 500W 2x12---------" Bass Combo Amplifier

The Gallien-Krueger MB 212-II is largest offering in the MB series of Bass Combos. The 2 x 12---------" configuration offers 500 Watts of power while weighing in at only 41lbs.  Its light enough to carry to every gig and powerful enough to rock any stage.

TONE SHAPING

Four band active EQ and contour based on the legendary 800RB provide extensive tone shaping capability

ULTRA PORTABLE PERFORMANCE

Effortless transport to the gig and with 500 watts of power through 2x12 inch speakers you wonËÇ£“»ËÇ£“ºËÇÖ“Š“ï“ç’ú“ï“ç“£“ï“ç’úËÇ£’‹“ï“ç’ú-u0014“ï“ç“ûËÇó“å“ï“ç’úËÇ£’‹“ï“ç’úËÇ£Ë鼓ï“ç’ú“ï“ç“£t come up short very often. Tough vinyl covering protected with metal corners provide lasting protection.

DRIVERS BY GK

Special Neo drivers with 2.5 inch edge wound aluminum voice coils, designed just for this cabinet, manufactured in the GK USA factory.

CONNECTIVITY

Balanced DI with pre/post switch, aux in and headphone output for silent practice plus ---------"chain out---------" to drive GK's MBP powered enclosures.

VARIABLE Q

Inherited from the 800RB, this unique design varies the EQ bandwidth to retain a musical response even at extreme settings.

SWITCH MODE POWER

Extremely lightweight switch mode power supply and power amp delivers 500W to the internal speakers.

PROTECTION

Internal circuitry is always on the alert to problems, indicated at the power switch ring.

ULTRA LIGHT WEIGHT

Plywood construction, aluminum chassis, switch mode power supply and power amp deliver 500W performance in a rugged 41lb package. Each speaker is isolated in it's own chamber eliminating tone robbing standing waves and sound leakage through the cabinet walls

CRITICALLY DAMPED

Gallien-Krueger's design team tuned the ports for optimum performance while coupled to the cabinets specific designed speakers. The ports coupled with a specific jute blend of damping material provides the right amount of damping at the right frequencies, for optimum response.

• Four Band Active EQ
• Ultra Portable Performance
• Custom Speaker Design
• Enhanced Connectivity
• Variable Q
• Switch Mode Power Supply
• Internal Circuit Protection
• Drivers By GK
• Ultra Light Weight
• Critically Damped Construction

OUTPUT POWER

• 500W@4 Ohms
  

INPUT SECTION

• Maximum Input Level 0.6V rms
  
• Input Impedance 1M Ohms
• Direct Output Impedance 500 Ohms
• Aux-in Input Impedance 100K Ohms

EQUALIZER

• Bass +/-10dB@60Hz
  
• Lo-Mid +6dB/-10dB@250Hz
• Hi-Mid +6dB/-10dB@1KHz
• Treble +/-14dB @ 7KHz

VOICING FILTERS

• +2dB@50Hz/-10dB@500Hz/
  
• +3dB @ 7 KHz

NOISE

• 90 dB reference to 500W, 'A' weighted

AMPLIFIER PROTECTION

• Full short circuit, thermal and RF protection. Stable into reactive and mismatched loads. Five second muted warm up
  

We are Chuck Levin's Washington Music Center

Since 1958, Chuck Levin’s Washington Music Center has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.

Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.

Chuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.