Pld amplifiers user manual pld4.2 — 4 channel, 1600 w amplifi er pld4.3 — 4 channel, 2500 w amplifi er pld4.5 — 4 channel, 5000 w amplifi er td-000368-01-a *td-000368-01*.
2 td-000368-01-a explanation of symbols the term “ warning! ” indicates instructions regarding personal safety. If the instructions are not followed the result may be bodily injury or death. The term “ caution! ” indicates instructions regarding possible damage to physical equipment. If these instru...
3 td-000368-01-a fcc statement note: this equipment has been tested and found to comply with the limits for a class a digital device, pursuant to part 15 of the fcc rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a comm...
4 td-000368-01-a warranty (usa only; other countries, see your dealer or distributor) qsc audio products 3 year limited warranty qsc audio products, llc (”qsc”) guarantees its products to be free from defective material and/or workmanship and will replace defective parts and repair malfunctioning pr...
5 td-000368-01-a introduction built for system integrators, the pld series amplifi ers provide multi-channel amplifi cation with built-in dsp and enough power to drive wide varieties of speaker systems with optimal energy effi ciency. The pld series consists of three light-weight, 2ru, four-channel ...
6 td-000368-01-a features amplifi er front panel — figure 1 — 1 2 3 4 5 6 7 8 11 12 13 14 15 16 9 10 1. Output channels are labeled a, b, c, and d 2. Output channel mute buttons and leds (red) 3. Output channel limiter leds (red) 4. Output channel -10 db below limiter activation leds (blue) 5. Outpu...
7 td-000368-01-a amplifi er control — figure 3 — output home master control -10 -20 lim sel mute a 1 sel mute b 2 sel mute c 3 sel mute d 4 clip sig input enter exit gain off mode • rear power switch is off, the amplifi er is not operable. The power switch is the ac mains disconnect. • the power but...
8 td-000368-01-a pld amplifi er signal flow — figure 4 — a d b c x y input settings output processing gain gain gain gain 1 4 3 2 mute mute mute mute gain / polarity gain / polarity gain / polarity gain / polarity low- pass filter source select sensitivity switch sensitivity switch sensitivity switc...
9 td-000368-01-a menu tree *for qsc line arrays only presets preset wizard preset recall preset save inputs input sensitivity input gain outputs source select processing save speaker load speaker array correction* limiter delay peq crossover utilities display status amp id password lockout about pre...
10 td-000368-01-a installation the following steps are written in the recommended installation order. Mount the pld amplifi er the pld series amplifi ers are designed to be mounted in a standard rack-mount unit. The amplifi ers are 2ru high, the pld4.3 and 4.5 are 381 mm (15 in) deep, the pld4.2 is ...
11 td-000368-01-a inputs connect the audio inputs — figure 10 — — figure 11 — 1 3 2 1 ground 3 negative 2 positive balanced inputs — figure 12 — 1+3 ground 2 positive unbalanced inputs 1 3 2 there are four female xlr connectors labeled 1 through 4 that provide the audio inputs to the pld amplifi ers...
12 td-000368-01-a warning!: when the ac power is on, there is a potential of having dangerous voltage at the output terminals on the rear of the amplifi er. Use caution not to touch these contacts. Turn off the ac mains disconnect switch prior to making any connections. Important: qsc recommends tha...
13 td-000368-01-a — figure 17 — f5: ab c+d f5: ab c+d ab parallel c+d bridged 1 ab 3 c+d the following are electrically the same point a (1+) and b (1+) a (1-) and b (1-) x (2+) and y (1+) x (2-) and y (1-) a b x 2+ 2- c d y 1+ 1- 1- 1+ 1+ 1- = subwoofer = mid range optional — figure 18 — f4: ab cd ...
14 td-000368-01-a — figure 21 — f2: ab c d f2: ab c d ab parallel c single d single 1 ab 3 c 4 d the following are electrically the same point a (1+) and b (1+) a (1-) and b (1-) = subwoofer = full range optional b x a 1+ 1- d y c 1+ 1- 1+ 1- 1+ 1- four-channel confi guration — figure 22 — f1: a b c...
15 td-000368-01-a mode nl4 separate ab parallel abc parallel abcd parallel a ch a 1+ / 1- 1+ / 1- 1+ / 1- 1+ / 1- ch b 2+ / 2- 1 b 1+ / 1- 1+ / 1- 1+ / 1- 1+ / 1- cd parallel c ch c 1+ / 1- 1+ / 1- 1+ / 1- 1+ / 1- ch d 2+ / 2- 1 d 1+ / 1- 1+ / 1- 1+ / 1- a+b bridged c+d bridged ab+cd bridged x 1+ / ...
16 td-000368-01-a pld 4.5 — total power: 5000w 8 load 4 load 2 load confi guration a b c d a b c d a b c d 4 ch (a b c d) 1150 1150 1150 1150 1250 1250 1250 1250 625 625 625 625 3 ch (ab c d) 1200 1150 1150 2250 1250 1250 2100 625 625 3 ch (a+b c d) 2250 1150 1150 1150 1250 1250 625 625 625 2 ch (ab...
17 td-000368-01-a step 2 — select output channel for speaker assignment outputs speakers save assign assign assign output: a d c b imped: 8.0 8.0 8.0 8.0 spkr: - - - - - - - - - - - - - - - - assign power: 625 625 625 625 loudspeaker assignment is optional, you can assign a loudspeaker to one or mor...
18 td-000368-01-a create new preset from an existing preset to create a preset from an existing preset, recall the preset with the desired output confi guration, modify the input parameters, output parameters, then save the preset. In addition, you can save the preset as you are going thru the creat...
19 td-000368-01-a set up the inputs note: changes made to input levels are in real time. Home > inputs > input sens > enter step 1 — select input sensitivity f1: a b c d inputs > input sens input sens +14 dbu press enter to confirm input 1 scroll to select (+14 or +4 dbu) (the background turns to gr...
20 td-000368-01-a loudspeaker processing the speaker processing section allows you to make adjustments to the crossover, eq, delay, limiter, and qsc array details for each output channel. In addition, you can load a pre-defi ned loudspeaker then make any adjustments needed, and save the changes as a...
21 td-000368-01-a home > outputs > spkr proc > crossover > gain/pol > gain > enter step 2 — set the crossover gain and polarity gain -5.5 db gn/pol f1: a b c d polarity pol + output a 20 db -60 db + gain -100 to +20 db – scroll to select (gain or polarity) turn to adjust parameter enter to edit, pre...
22 td-000368-01-a limiter home > outputs > spkr proc > limiter > enter step 1 — set the limiter mode f1: a b c d output a turn to select the mode for the limiter to confirm setting, press enter type med auto spkrpwr 200w spkrimp 8.0 auto adv off to edit the limiter mode, press enter home > outputs >...
23 td-000368-01-a array correction note: you must have a qsc line array loaded in order to access the array correction parameters. Home > outputs > spkr proc > array > enter step 1 — set splay angle and number of boxes in the array f1: a b c d output a boxes # 4 ac angle 15.0 angle: 0.0˚ to 90.0˚ bo...
24 td-000368-01-a save the preset after modifying the inputs and outputs for all channels, save the current settings as one of the 50 user-defi ned presets (u1: thru u50:). Each of the user presets, by default, is the same as factory preset f1: confi g a b c d, so when you save the preset you are "o...
25 td-000368-01-a utilities home > utilities > status > enter step 1 — check the amplifi er's health utility - status amp total run time: 22:37:48 hrs hardware: v12 firmware: v1.0.22 dc status: ok vrail 1: 148v vrail 2: -150v temperature: ch1 & ch3: 27c ch2 & ch3: 29c power supply: 24c temperature (...
26 td-000368-01-a qsc audio ap-5102 ap-5122 ap-5122m foh ap-5122m mon ap-5152 gp118-sw gp212-sw gp218-sw s8t s10t s12 wl118-sw wl-2102 wl212-sw wl218-sw b52 lx1515v3 lx18v3 mx1515 mx18s cerwin-vega (cv) el-36c ts-42 ev elx112 elx115 elx215 tx2152 tx2181 jbl jrx112m jrx115 jrx118s jrx125 mrx515 mrx51...
27 td-000368-01-a specifi cations pld4.2 pld4.3 pld4.5 4 ch. Continuous 1 8 4 2 400 watts 400 watts 325 watts 625 watts 625 watts 625 watts 1150 watts 1250 watts 625 watts 2 ch. Continuous 1 8 4 2 800 watts 800 watts 650 watts 1250 watts 1200 watts 1200 watts 2250 watts 2250 watts 2100 watts 1 ch. C...
28 td-000368-01-a heat loss charts btu/hr kcal/hr idle pld 4.3 225 57 pld 4.5 286 72 load per channel 8 Ω 4 Ω 2 Ω btu/hr kcal/hr btu/hr kcal/hr btu/hr kcal/hr 1/8th power pld 4.3 684 172 794 200 1040 262 pld 4.5 811 204 1144 288 1124 283 1/3rd power pld 4.3 983 248 1261 318 1869 470.988 pld 4.5 881 ...
Mailing address: qsc audio products, llc 1675 macarthur boulevard costa mesa, ca 92626-1468 usa telephone numbers: main number: (714) 754-6175 sales & marketing: (714) 957-7100 or toll free (usa only) (800) 854-4079 customer service: (714) 957-7150 or toll free (usa only) (800) 772-2834 facsimile nu...
