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This combo has a power output of 300W when connecting the internal speakers, which have a total impedance of 8 Ohms. The minimum load when connecting the external speakers must be 4 Ohms, at which you get a power output of 500W.
Compared to its predecessor, the fourth model is equipped with, for example, a dual-band limiter that allows a faster response with better dynamics, a mute switch or a switch for equalization modes (Flat, Scooped, Footswitchable).
To adjust the volume of the sound, there are Gain and Master potentiometers, with Gain setting the signal level before entering the preamp, and Master setting the overall volume. Equalization of the sound is done via four controls, namely Bass, Mid Low, Mid High and High. All these potentiometers have a range of +/- 16dB at a given frequency, which is 68 Hz for Bass, 360 Hz for Mid Low, 800 Hz for Mid High and 10 kHz for High. It's really no problem to set up any quality sound you want. For even more versatility, you'll also find an "Old School Filter," which you can use to attenuate the high frequencies for a nicely rounded sound.
The rear panel of the unit houses the speaker-out outputs, both in the form of a 6.3 Jack and a Speakon-Combo from Neutrik. It is possible to use either just the internal speakers or just the external box, and it is also possible to combine both. Next to it is a pre/post-EQ line-out with Ground-Lift switch, and below that is an unbalanced tuner-out for connecting a tuner, but any other device not requiring a balanced signal can be plugged into it. The last elements are the parallel effects loop input and output, and on the top you'll also find the footswitch input.
Looking at the cabinet of this machine, you will find that there is a 15" speaker that is made by B&C and contains a neodymium magnet, for optimal sound projection there is a 1" piezo tweeter and a bass reflex located on the back of the machine. The frequency range is 45 to 18,000 Hz, the crossover is set at 3.5 kHz, and the speaker sensitivity is 99 dB SPL.
The Markbass CMD 151P IV is therefore the ideal companion for musicians demanding great sound without compromise. This beast is truly guaranteed to make you heard.
Specifications
- Power Output: 300 W
- Speaker: 1x 15 "
- Controls: Gain, Low, Middle Low, Middle High, High, Old School, Line Out, Master
- Limiter: Yes
- Compressor: No
- External Speaker Cabinet Output Port: Yes
- DI Output: Yes
- Effects Loop: Yes
- Headphone Output Port: No
- MP3/Line In: No
- Battery Operated: No
- Bluetooth: No
- Integrated Tuner: No
- Tweeter: Yes
- Dimensions: 480 x 464 x 464 mm
- Weight: 18.5 kg
- Country of Production: Indonesia