6TRUTH B2031P/B2030P User Manual

3.Application

3.1 Connection

Power amp

TRUTH B2031P/B2030P

TRUTH B2031P/B2030P

L

R

Fig. 3.1: Connecting an amplifier

Please follow these steps to connect your TRUTHs to a power amp: Loosen the plus screw (red ring with a “+”) and the minus screw (black ring with a “-”). Now insert the plus cord of the speaker cable connecting the amp to your TRUTH into the plus opening. Then, connect the minus cable into the minus opening. Tighten the screws. Do the same to connect the other TRUTH.

◊Make sure that all connections are done properly. Speaker cables are color-coded to help avoid confusion. You’ll know that the signal is inverted (i.e. you’ve mixed up the connections) when you notice that bass frequencies are getting lost and when the stereo characteristic of the signal is majorly worse.

◊Always make sure that bare wire ends never touch the open end of another speaker cable, speaker connectors or metal parts of your amp.

3.1.1 The truth about speaker cables

Carefully approach the choice of what cables you use. Which cables you use can have a major influence on your sound. Cables of various lengths and diameters affect the resistance value—causing a loss in power.

On the other hand, that doesn’t mean that you should be buying high-end cables that cost as much as your speakers. Simply use the following rule of thumb: Whenever possible, use cables with large diameters (gauge) and keep the cable length to a minimum. The screw clamps on your TRUTH can accept cable thickness of up to 7 mm² (9 AWG).

3.1.2 Amp

The power rating of the amp you use should be roughly twice the load capacity of your TRUTH. Consequently, the B2030P should be operated with an amp with a load capacity of 2 x 200 Watts, and the B2031P with an amp with a load capacity of 2 x 300 Watts.

Also, you should keep in mind the impedance of your TRUTH in order to guarantee optimal power delivery. The B2031P’s impedance is 4 Ω, whereas the B2030P’s

is 8 Ω. Use an amp whose power rating roughly corresponds to the values recommended in the table. The impedance should correspond to the values listed in the table:

TRUTH

 

Amp power rating

B2030P

 

200 W into 8 Ohm

 

B2031P

 

300 W into 4 Ohm

 

 

 

Tab. 3.1: Recommended amp power ratings

Of course, you can use amps with higher power ratings. However, make sure not to exceed the load capacity of your TRUTH. Damage to speaker components caused by exceeding their load capacity is not covered by the warranty.

3.1.3 Protecting your TRUTHs

To ensure that your B2030P/B2031P last for years to come, you should definitely keep the following in mind:

•Always turn the volume down on your amp before switching it on or off

•When powering your equipment up/down, the amp should always be the last one to be powered up and the first one to be powered down. This way, you avoid loud crackling noise that occurs when you turn studio equipment on or off

•Always make sure your audio signal level is optimally set. Avoid overdriving your amp

•Do not push your studio monitors beyond their physical limitations.

Even though your TRUTH has sufficient power overhead, you can still damage it if you drive it too much or crank the volume all the way up for longer periods of time

3.2 Speaker placement suggestions

Since the sound of a speaker depends to a great extent from its surroundings, placing your TRUTH correctly is very important. Please try to follow these suggestions through. Your efforts will be rewarded with better sound and higher resolution.

Both speakers are built identically. There is no need to concern yourself with which speaker should be placed left and which speaker should be placed right. Place the TRUTHs on a flat and stable surface, if possible use a dedicated speaker stand. In this way, the speaker is acoustically decoupled and won’t induce vibrations in nearby objects, which would affect the bass response. If you cannot use a stand, put the TRUTHs on spikes or damping foam material. Another aspect is the distance between speaker and wall: keep the speaker away from the wall, as this would emphasize the bass response, particularly in corners, where two walls form an angle.