Series iii owners manual mb150e mb150s mb150e/112 mb150s/112.
2 microbass-iii series congratulations your purchase of a new gallien-krueger microbass- 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 confi- dent that you will be a satisfied customer....
3 microbass-iii series safety information please read all enclosed safety precautions, be- fore connecting or operating this product. Verify line voltage and amperage before use: your new microbass series amplifier has been fac- tory configured for use with: 120 volt/60hz 15 a circuit for usa/canada...
4 microbass-iii series 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...
5 microbass-iii series setup & maintenance setup: to insure proper operation and to avoid potential safety hazards, place the unit on a firm, level surface. Do not plug or unplug the instrument or speaker cable while the amplifier power is on. Rack-mounting this unit is not recommended. Heat & venti...
6 microbass-iii series front panel controls 1 balanced direct out (mbs only): an electroni- cally balanced low z output. This is permanently set to pre-eq. 2 ground/lift (mbs only): this switch disconnects the ground on the balanced, xlr output to eliminate hum and buzz when connecting to equipment ...
7 microbass-iii series rear panel controls 1 power on/off switch: press in to turn the amplifier on, out to turn it off. Power/protect led is on when the amplifier is on. 2 ac receptacle: the power cord is detachable and plugs in here. 3 speaker output: power amp ¼” jack outputs. It delivers 150w in...
8 microbass-iii series sample settings pop fuzz tone limiter on reggae limiter on acoustic upright walking bass slap limiter on.
9 microbass-iii series sound advice input volume vs. Output level: the input volume adjusts the signal as it enters the preamp section. Changes to it will have an impact on the send jack, boost control, and the direct output if it is set to post mode. Depending on the output signal from your bass, s...
10 microbass-iii series tech talk mb series overview: the mb series is a flexible, state-of-the-art bass am- plifier, designed to deliver maximum performance, and be simple to operate. This is accomplished through a few, very important features: · high current capability for better speaker control. ...
11 microbass-iii series low noise operation: the mb-iii series uses a high gain, high headroom, low noise input stage. It has such a large dynamic range (60v p-p) that very few instruments can over- drive it. Even most basses with “active” electronics do not need to use the -14db input pad. The bene...
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. Combo 26 lbs. Power requirements: u.S.A./canada 120v/60hz 325w(full...
