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TUBE DRIVER MA4100 - page 1
OWNERS MANUAL MA4100 Congratulations Endpanel Layout Features & Specifications Endpanel Layout Installation Troubleshooting Wiring Troubleshooting Power / Ground Troubleshooting Connections Troubleshooting Connections System Diagrams Inputs & Connections Block diagram Inputs W arranty CONTENTS (click on a topic to view) ...
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TUBE DRIVER MA4100 - page 2
The extended use of a high powered audio system may result in hearing loss or damage. While TUBE DRIVER systems are capable of "Concer t Le v el" volumes with incredible accuracy , they are also designed for you to enjoy at more reasonable levels all of the sonic subtleties created by musicians. Please observe all local sound ordinances. ...
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TUBE DRIVER MA4100 - page 3
1 Power Bandwidth: 5 Hz -50 KHz T otal Harmonic Distortion: 0.2% or less (A-weighted) Input T opology: Balanced Differential Input Sensitivity: 500mV - 12 volts RMS Input Impedance: 10K Ohms Output Impedance: 2 - 16 Ohms, bridged 4 - 32 Ohms MA4100 100 WRMS x 4 @ 4 Ohms per channel 200 WRMS x 4 @ 2 Ohms per channel 400 WRMS x 2 @ 4 Ohms bridged MA4 ...
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TUBE DRIVER MA4100 - page 4
Recommended Fuse Rating f o r M A 4100 i s 1 0 0 Amps Y ou will need to install an in-line fuse or circuit breaker in the po wer wire within 18” of the battery . This fuse or cir cuit breaker protects y our vehic le from fire in case the po wer wire shor ts to the vehic le body . If you are only using one amplifier , use the recommended fuse rati ...
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TUBE DRIVER MA4100 - page 5
3 W arning! Y ou can mount the MA4100 in any position, even upside-down. However , yo u must maintain pr oper airflo w . Do not install your MA4100 under carpets or enclose it behind airtight panels. In trunk-mounted applications, be sure to provide venting for air circulation. Let the amplifier breathe . Without adequate air circulation, your T ub ...
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TUBE DRIVER MA4100 - page 6
4 W arning! T o prevent a short to ground, disconnect the negative (-) terminal of the system’s battery before you begin. If the power cable shorts to ground, current will continue to flow until the short is opened, the main fuse blows, the battery explodes, or the wire melts. Reconnect the terminal onl y after you make all connections. Gr oundin ...
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TUBE DRIVER MA4100 - page 7
5 Follow these simple instructions and ref er to the diagram belo w to make y our speaker connections: • Using at least 16 gauge wire, run wire from the speakers to the amplifier(s) using the same precautions that you followed for running the power , ground, and remote wires • Cut off excess wire • Use wire strippers to strip 1/4 inch of insu ...
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TUBE DRIVER MA4100 - page 8
6 Y ou can operate each pair of channels in both stereo and mono (3 channel or tri- mode) at the same time by using highpass filters (bass blockers) on the higher frequency stereo channels, and a lowpass filter (coil) on the subwoofers. The frequencies of the chosen highpass and lowpass filters must not overlap (allow the mids and highs to play the ...
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TUBE DRIVER MA4100 - page 9
7 Input Jac ks The MA4100 includes both RCA and Mini-Din (balanced) inputs. The supplied RCA connections allow you to use the MA4100 with other brands of audio gear . Our Diff erential RCA inputs provide a dramatic impro v ement in noise reduction ov er standard RCA input types. Our fully balanced Mini-DIN connection system f eatures high signal v ...
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TUBE DRIVER MA4100 - page 10
8 Input Gain Contr ols There are two Input Gain Controls located on the end panel under the RCA input jacks. These are not v olume controls! These controls match the output signal voltage of the source unit to the amplifier inputs. By turning the controls clockwise (to the right), the inputs of the amplifier become more sensitive and will allow a w ...
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TUBE DRIVER MA4100 - page 11
HANDCRAFTED IN THE USA By Precision Power POWER CONNECT POWER W ARM UP 9 P o wer Side 1 3 2 1. PO WER A red light indicates that the amplifiier is turned on (After warm-up sequence). 2. W ARM UP A red light indicated that the tubes are warming up. (Refer to Pg. 4; Remote T urn-on) 3. PO WER / GROUND After you have securely connected your power and ...
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TUBE DRIVER MA4100 - page 12
10 Input/Contr ol Side L- L+ REM R+ R- L- L+ R+ R- FRONT SPEAKER OUTPUTS REAR SPEAKER OUTPUTS FRONT GAIN REAR GAIN FRONT INPUTS L R REAR INPUTS L R BALANCED INPUTS FRONT REAR DIN/RCA DIN/RCA -12dB -12dB H A N D C R A F T E D I N T H E U S A B y P r e c i s i o n P o w e r 8 9 10 11 12 17 5 4 3 26 1. -12dB For use with high level inputs (4V up to 12 ...
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TUBE DRIVER MA4100 - page 13
Do you have 12V at the amplifier ’s connections? 11 No Sound Is the W ARM UP LED illuminated? YES NO YES The warm up cycle can take up to 40 sec., Is there sound after that? NO Y ou’re done Is there signal on the RCA ’s? YES NO Does the amp remote (REM) have 12V? Check all connections. Repair as needed YES NO Check main system fuse. Did that ...
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TUBE DRIVER MA4100 - page 14
12 No Sound in One Channel YES Reverse the left and right inputs. Check the pre-amp (RCA/Mini-Din) cables for open connections and make corrections. Did you find open connections? NO Y ou’re done SOUND IS NO W IN... Opposite Channel Problem is in the speaker or speaker wire of the silent channel. Check speaker leads for pinched, shorted, or open ...
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TUBE DRIVER MA4100 - page 15
Noises While the Engine is On Alternator whine: This noise changes in frequency with engine RPM. Check for: . Excessive input le vel setting on the amplifier . High resistance in cab ling or corroded and/or loose connections . P olarity of the input cab les If the problem persists, check the whines and pops chec klist below . Tic ks/buzz: This nois ...
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TUBE DRIVER MA4100 - page 16
Check each side of the amplifier independently to see if the distortion is only on one channel. Is that the case? 14 Noises While the Engine is On or Off System hiss: Distortion: Distortion is garbled sounding music. This can often be caused by a shorted speaker wire. Symptoms of this include no sound in one channel and severe distortion in the oth ...
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TUBE DRIVER MA4100 - page 17
15 eject VOLUME BASS TREBL E RIGHT LEFT BALANCE TR ACK REVERSE FOWARD 1 2 3 4 8 7 6 5 PPI MAR KET ING DPT Trk 1 Preamp/Equalizer Source Unit Sub Passive Crossover Passive Crossover Tweeter Tweeter MidRange Passive Crossover Passive Crossover Tweeter MidRange Passive Crossover Tweeter MidRange MidRange FRONT CHANNELS FRONT CHANNELS REAR CHANNELS REA ...
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TUBE DRIVER MA4100 - page 18
AMP RCA Rear Right Input DIF. RCA Rear Left Input INPUT ATTENUATION AMP RCA Front Right Input Left Left Right Right RCA Front Left Input MINI-DIN Front Input MINI-DIN Rear Input DIF. Front gain Rear gain Front Rear BALANCED/RCA Switch BALANCED/RCA Switch 16 B A CK T O CONTENTS ...
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TUBE DRIVER MA4100 - page 19
Three-Y ear Limited U .S.A. W arranty This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. TUBE DRIVER warrants its products to be free from defects in materials and workmanship under normal use and service for a period of three (3) years from the date of original purchase when the unit i ...
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