III Series Amplifier is surely the result of much careful consideration on your part. For our part, we at Gallien-Krueger are pleased that you chose us and are confident that you will be a satisfied customer. In choosing an MB Series product, you own a unit with many unique features, which will allow you to create your own distinct sound.
Safety Information Please read all enclosed safety precautions, before connecting or operating this product. Verify Line Voltage and Amperage Before Use: Your new MicroBass Series amplifier has been factory configured for use with: 120 Volt/60Hz 15 A circuit for USA/Canada. 230 Volt/50Hz 10 A circuit for UK/Australia.
If your MB Series amplifier or combo is missing any items, or if you encounter problems while setting up your new equipment, please contact your local dealer, or us as soon as possible at: Gallien-Krueger, Inc. 2234 Industrial Drive Stockton, CA 95206 phone: (209) 234-7300 fax: (209) 234-8420 Internet: www.gallien-krueger.com...
SPEAKER(S) 1 x 8 ohms 1 x 4 ohms 2 x 8 ohms If you are using a Gallien-Krueger HMS (Horn Management System) compatible speaker cabinet, set the cabinet’s bi-amp switch to Full Range. Initial Front Panel Control Settings: Set all EQ controls and the Boost control to 12 o’clock (The MBS does not have a boost control).
27 Power/Protect LED: The LED is red for five seconds while the amp powers up, then turns blue when the amp is ready. Should the amp experience a fault (over heat, over current) the amp will mute and the LED will switch to red until the condition is corrected.
2 AC Receptacle: The power cord is detachable and plugs in here. 3 Speaker Output: Power amp ¼” jack outputs. It delivers 150W into 4 Ohms or 100W into 8 Ohms. 4 Internal Speaker On/Off Switch (Combo Only):...
Increasing the Contour level will scoop out mid- range frequencies while boosting the highs and lows. The sound is unique to GK and unavailable on any other bass amp. Lower contour settings are recommended for midrange clarity at higher playing levels.
When a power amplifier is pushing a speaker cone and it needs to reproduce a high-power transient like a string slap, the amp must be able to deliver a high current pulse to maintain cone control. If the amplifier can’t do this it simply cuts the transient off, producing an unresponsive less out front sound.
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MicroBass Series amplifier works and the advantages it offers in dialing in ‘your’ sound. We thank you for reading the Owner’s Manual and wish you the best of times! Please send us your comments via the web at www.gallien-krueger.com or email us at sales@gallien.com.
-10dB@600Hz / +10dB@8kHz Presence +13.5dB@2kHz Noise -90db Amplifier Protection: Full short circuit, thermal,& RF protection. Stable into reactive and mismatched loads. Five second muted warm-up. Dimensions (HxWxD): Head 2.5” x 13.75” x 7” Combo 15.5” x 13.75” x 8.5” Weight: Head 10 lbs.
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