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    Pl400 noise come up

    I try push hard PL400 this afternoon for about 45 minutes with a 2 cooler fan on the back 8 fin flow to cool down . Suddenly it is make a noise and i can see a meter needle is on middle . I just disconnect speaker cable out and then turn off power amp. Let amp cool down and then i turn it on...
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    PL400 series 2 led meter issue

    Anyone can help me fix a led meter on my pl400 series 2 ? It is suddenly stop moving on left channel. Sound output is still fine. Hope someone in here can help me out.
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    Phase LInear 400 series 2 led meter issue

    I just had an issue with led indicate meter on my pl400 series 2 this morning. The left channel led in dictate just sty on zero but. Right channel is still moving clipping normal. Anyone can help me to fix it ? Many thank
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    PL400 RIGHT CHANNEL OUTPUT IS -66 V ?

    I got an issue with right channel is -66 v and left is -21 mv . Bias value on left is 0.31v and right is 0.35 v . What can i check out on this problem ?
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    Power short on filter capacitor , what can I do ?

    Had been change all output transistor and I just had this problem . I definitely need help from expert. Here is photo below when I take a measure capacitor filter
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    phase linear transistor rca40412 replace

    I need help to looking for a transistor replace for rca40412 transitor on pl400 series 2.many thank
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    BIAS ADJUST POT MOUSER PART NUMBER

    ANYONE IN HERE KNOW A PART NUMBER FOR R20 SIDE ADJUST TRIM POT ON PL400 PLEASE LET ME KNOW. I was definitely need one to replace
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    PL400 ISSUE WITH OUTPUT DC OFFSET

    I need help to solve this issue before bring my PL400 back to life after blow fuse. everything is fine but I still have an issue with output on 1 channel . I check out put 1 channel is 67v and other one is 19v . I had been check Q1 and Q2 . ALSO I had been replace new Q3 and Q4. stuck on this...
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    PCB 14B PL400 re-cap part on mouser

    Hi , i need to recapping some transistor on my board from Q1 to Q10 but i dont know a part number to order on mouser. Anyone can help me out ?
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    central semiconductor replace for PL400

    I need a part number mouser for Q5 40327 central semiconductor . Anykne know what is a part number is ????
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    MEDIC ...replace output transistor pl400 had problem on DBT

    I had replace all my output transistor and try to do a DBT. When i turn on power to do test light is bright so it is mean still short electrical on amplifer. Anyone can help me out this problem?
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    phase linear 4000 preamplifier output issue

    Hi , anyone in here ever have an issue like this case before ? My preamp was working fine then it is jo sound come up. I check and clean all socket board with contact cleaner. After i just clean up all the board socket with contact cleaning a sound coming back but it's not full output sound. I...
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    WTB PL400 POWER TRANFORMER FOR DUAL PRIMARY VOLTAGES

    I would like to buy a dual primary transformer voltage for PL400 power amplifier. I am leave in Australia. Please let me know if you are have any available for sell. Thank you
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    phase linear 400 voltages change

    Just bought a power amplifier with dual primary voltage on it but I'm not a electrician so i need help from expert here to solve a problem out. I got a schematics services manual but still not sure how to change a voltage line follow by a schematics. I got a current PL400 and compare to this...
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    power amplifier PL400 and Pre-amplifier 2000 from TMZ2

    Thank you for your time for packing and send it to me. Everything is great and power amplifier is give me a greater sound than PL400 current power amplifier i was use now. I was asking for help to change a voltage from 110v to 220v. Thank alot tony .
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    WTB : trim meter for PL400 series 1

    I would like to buy a trim vu meter for PL400 series 1. If any members here have 1 please let me know. Thank you
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