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  • Beolab Penta Recap Parts List?

    Anyone happen to have a packing list or parts list for the recap kits Martin sold for the Penta amps and crossovers? Bonanza doesn’t show anything for sale on his booth and I am interested in using the upgraded parts he indicated in the description for his kits.
    Posted to The Workbench (Forum) by IndyJer on Tue, Dec 8 2020
    Filed under: Beolab penta mk3, Penta, Penta repair service, penta beolab pentamk2 fuse powerlink, beolab penta mk2, Penta 3, parts needed
  • Fixing broken penta 6603

    Hello all, I bought some penta mkI's and one got broken during shipping. Looking for parts and advice while getting these back in good shape and fixed such as what updates or upgrades should be done while in these speakers and where to get everything. There is a black piece between the base and the...
    Posted to The Workbench (Forum) by daptay1527 on Sat, Sep 21 2019
    Filed under: Penta, MK1, beloab penta, mki, parts needed
  • 2019 State of the Art - Penta MKIII restoration

    Hello, I am about to be given a pair of Penta MkIII, photos show that all the foam is rotted. They haven't been used in years. What is the value in going through a full restoration? Is at absolutely unrealistic, or are there still supplies and materials available such that these can be brought back...
    Posted to The Workbench (Forum) by Chris on Tue, Aug 27 2019
    Filed under: Beolab penta mk3, Penta, Penta repair service, re-foaming, speakers, Penta 3
  • Beolab Penta MK2 - learning by doing

    Help needed !! Last month on a peaceful Sunday evening I decided to take on the challenge of recapping my Penta mk2's. Ordered capacitor kits from Martin and took a week to complete the task. I had 50% success with my effort. One speaker worked perfectly fine (until today) and sounded much better...
    Posted to The Workbench (Forum) by dahiyas on Tue, May 14 2019
    Filed under: Penta
  • Penta 3 starting to crackle and pop

    My 1997 P3's have started to crackle and pop when turned on, sometimes with input and sometimes with no input. Rather alarming as can be loud. Original problem sort of went away after changing to a new cable, but came back after. No amount of cable changes will make the pops go away. Can someone...
    Posted to The Workbench (Forum) by Dnihilist on Fri, Dec 14 2018
    Filed under: Beolab penta mk3, Penta, Penta repair service, popping
  • Beolab Penta MK1 Amp Issues

    Hi all, First time poster here at Beoworld! I came into possession of a pair of Penta MK1's (Australian version, 6605?) around 6 months ago and had them refoamed, but have only recently got stuck into their failing amps. I only tried them briefly to check their state, but intended to use Martin's...
    Posted to The Workbench (Forum) by mattjones on Fri, Jan 5 2018
    Filed under: Repair, Penta, Penta repair service, penta 1
  • Beolab Penta MK1 6603- service

    Hello, I recently purchased a pair of Beolab Penta MK1 6603s. One works great, but the amplifier on the second one becomes exceedingly hot when in use. After reading several other posts, the general consensus seems to be that the potentiometer needs to be replaced, along with replacing all of the caps...
    Posted to The Workbench (Forum) by Allen14 on Mon, Feb 29 2016
    Filed under: speaker, Penta, amplifiers, Penta repair service, service, overheating, penta 1
  • Beolab Penta mains hum / buzz noise

    Hi all, Further to my project of upgrading my Beolab Penta IIs, I have completed all the cross-overs, and re-foams. The results are great. I used to think the Penta design had limitations in the tweeter with poor high frequency response but now with the mods I am very happy. One issue remains which was...
    Posted to The Workbench (Forum) by Gavin on Tue, Mar 10 2015
    Filed under: Repair, Penta, hum, buzz
  • Penta Refoam surround sizes.

    Hi all, I'm restoring a pair of Penta IIs. The component upgrades are going well - thanks Martin. I'm now doing the foam surrounds. I ordered a set from GoodHiFi which arrived promptly with good customer service and communication. I have three questions for people who have done this job: Do the...
    Posted to The Workbench (Forum) by Gavin on Thu, Jan 22 2015
    Filed under: speaker, Penta, refoam, Penta repair service, rebuild, repairs
  • Beovox RL140 / Penta Tweeters - Same Model?

    Hi all Just wondered if anyone could clear something for me? I wondered if the tweeters used in the RL140 and Penta Mk1 are the same? I have a Penta tweeter which is marked '25TNF H358' and a RL140 tweeter which is marked '25TNFX H358'. They look identical - aside from the missing 'X'...
    Posted to The Workbench (Forum) by machineage on Sun, Oct 12 2014
    Filed under: Tweeter, Penta, RL140
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