Velleman-Kit K4307 Manual Download Page 8

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10. CONNECTING

Connect the LS-leads in parallel with the loudspeaker or output of the
amplifier.

POWER
METER

SPEAKER

LOUDSPEAKER

AUDIO POWER AMPLIFIER

Summary of Contents for K4307

Page 1: ...systems þ Can also be used with bridged power amplifiers þ Aluminium front panel included for easy panel mounting inside speaker cabinet þ Horizontal or vertical mounting possibility Specifications Scale at 4Ω load in low power mode 0 3 1 2 4 10 20 50 100 200 400W Scale at 4Ω load in high power mode 10 20 40 60 120 200 400 700 1100 2000W Scale at 8Ω load in low power mode 0 15 0 5 1 2 5 10 25 50 1...

Page 2: ... 3 Aranciato Laranja Naranjado Oranssi Orange Orange Orange Orange Orange Orange Oranje 3 4 Giallo Amarelo Amarillo Keltainen Gul Gul Gul Gelb Yellow Jaune Geel 4 5 Verde Verde Verde Vihreä Grön Grøn Grønn Grün Green Vert Groen 5 6 Blu Azul Azul Sininen Blå Blå Blå Blau Blue Blue Blauw 6 7 Viola Violeta Morado Purppura Lila Violet Violet Violet Purple Violet Paars 7 8 Grigio Cinzento Gris Harmaa G...

Page 3: ...the component leads suf ficiently This solder joint results in a bad connection Trim the excess wires up to the level of the sol der Careless assembly will certainly lead to problems Insert the part oriented correctly into its correct holes in the PCB Mount the components in the correct order as stated in this manual Watch out for important remarks The component values in the circuit diagram are f...

Page 4: ...8V q ZD6 27V q ZD7 36V q ZD8 51V 3 W RESISTORS R q R1 470 4 7 1 B q R2 150 1 5 0 B q R3 150 1 5 0 B q R4 150 1 5 0 B q R5 150 1 5 0 B q R6 150 1 5 0 B q R7 150 1 5 0 B q R8 150 1 5 0 B q R9 150 1 5 0 B q R10 150 1 5 0 B q R11 150 1 5 0 B q R12 150K 1 5 4 B 4 PCB PINS q LS q LS 5 TRANSISTORS T q T1 MPSA92 or 2N5401 q T2 MPSA42 or 2N5551 q T3 BC546B q T4 BC546B q T5 BC546B q T6 BC546B q T7 BC546B q ...

Page 5: ...heck the polarity C q C1 47µF 63V q C2 47µF 63V 7 Mode setup Depending on the resistor mounted for R13 a measurement selection can be made The power meter may be set up for low power measurements typical consumer amplifiers or for high power measurement this mode can be used in high power P A systems R q R13 10 1 4W 1 0 0 B for low power mode q R13 1K 1W 1 0 2 B for high power mode ...

Page 6: ...t L 934LSRD 2 q LD4 3mm red low current L 934LSRD 2 q LD5 3mm red low current L 934LSRD 2 q LD6 3mm red low current L 934LSRD 2 q LD7 3mm red low current L 934LSRD 2 q LD8 3mm red low current L 934LSRD 2 q LD9 3mm red low current L 934LSRD 2 q LD10 3mm red low current L 934LSRD 2 Tip For easy mounting at the correct height you can first mount the front panel on the PCB see next point then 1 Insert...

Page 7: ...NK HEAD BOLT FRONT PANEL B Mount the PCB onto the spacers Fix the PCB on the front panel by using two lock washers and nuts Check the LED s position and correct if necessary by heating the sol der points 1 5mm FRONT PANEL LOCK WASHER 15mm PLASTIC SPACER 30mm M3 COUNTERSUNK HEAD BOLT M3 NUT M3 NUT PCB M3 NUT LOCK WASHER PCB C Stick the display window Depending the loudspeaker impedance you have to ...

Page 8: ...___________________________________________________________________________________________________ 8 10 CONNECTING Connect the LS leads in parallel with the loudspeaker or output of the amplifier LS POWER METER SPEAKER LOUDSPEAKER AUDIO POWER AMPLIFIER ...

Page 9: ... b ZD7 P4307 D2 D1 e c b e R1 c b R13 12 DIAGRAM LD1 L 934LSRD R1 470 MPSA92 T1 R12 150K MPSA42 T2 R2 150 D1 BAT85 D2 1N4148 LD2 L 934LSRD D3 1N4148 BC546B T3 R3 150 LD3 L 934LSRD BC546B T4 R4 150 2V4 ZD1 3V9 ZD2 R5 150 BC546B T5 LD4 L 934LSRD 6V8 ZD3 R6 150 BC546B T6 LD5 L 934LSRD 10V ZD4 R7 150 BC546B T7 LD6 L 934LSRD 18V ZD5 R8 150 BC546B T8 LD7 L 934LSRD 27V ZD6 R9 150 BC546B T9 LD8 L 934LSRD ...

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