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Thread: The System

  1. #351
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 45,403
    I'm Geoff.

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    Quote Originally Posted by Made in 1968 View Post
    Disgusting
    Don't even ask about speakers!
    The word is 'valves' in this country, not tubes. Tubes are what Smarties come in!

  2. #352
    Join Date: Sep 2009

    Location: Bournemouth

    Posts: 4,898
    I'm Dan.

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    Hi Guys

    Upon switching on my LA Audio A30 valve amplifier this morning one of the valves from the right channel was not lighting up so i swapped it for another EL 84 and still the same problem still no light beginning to think its the amp that has the fault swapped for the other good valves to still no joy? We bit down in the dumps about this - any thoughts on repair?
    This Weeks Lash Up
    LA Audio A30 EL84 Valve Amplifier
    Wharfedale Dovedale III Loudspeakers
    Pioneer PDS 505 Precision CD Player

    TV
    Topping TP 30 MK2 T Amplifier
    Tandberg Fasett Speakers
    Sky Q Mini Box & - Panasonic Viera "26 TV

  3. #353
    Join Date: Nov 2011

    Location: Seaton, Devon, UK

    Posts: 7,693
    I'm Adrian.

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    Quote Originally Posted by dantheman91 View Post
    Hi Guys

    Upon switching on my LA Audio A30 valve amplifier this morning one of the valves from the right channel was not lighting up so i swapped it for another EL 84 and still the same problem still no light beginning to think its the amp that has the fault swapped for the other good valves to still no joy? We bit down in the dumps about this - any thoughts on repair?
    I had the same on the pre-amp side of on of my valve amps and it turned out to be a failed capacitor on the heater circuit, luckily no damage to anything else. I was advised that it is not always a good idea to power them up with a failed valve or circuit in case it overloads elsewhere, but you should be OK. The repair hopefully will be relatively cheap on parts.
    Listening is the act of aural discrimination and dissemination of sound, and accepting you get it wrong sometimes.

    Analog Inputs:
    Pro-Ject Signature 10 TT & arm
    Benz Micro LP-S, Michel Cusis MC, Goldring 2500 and Ortofon Rondo Blue cartridges
    Hitachi FT5500 mk2 Tuner

    Digital:-
    Sony 3d blu-Ray for CDs to Caiman SEG
    RaspberryPi/HifiBerry Digi to Beresford Caiman SEG DAC
    Buffalo NAS Drive

    Amplification:-
    LFD MMC special phono stage & Rothwell MCX SUT
    ALLNIC T1500 MKII SET 300B amp
    Schiit MAGNI 3 Heresy amp

    Output:
    Wilson Benesch Vector speakers
    KLH Ultimate One Headphones

    Cables:
    Furutech AG-12-R4 High Performance Phono Cable
    Eccose Conductor CA1
    Belden 8402 with Switchcraft 3502A Audiophile High-End RCA
    Chord Epic speaker leads, & signature links


    I think I am nearing audio nirvana, but donít tell anyone.

  4. #354
    Join Date: Jan 2020

    Location: South Yorkshire

    Posts: 2,683
    I'm Andre.

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    Going by the origin of the amp id be changing all the caps.

  5. #355
    Join Date: Sep 2009

    Location: Bournemouth

    Posts: 4,898
    I'm Dan.

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    Quote Originally Posted by Made in 1968 View Post
    Going by the origin of the amp id be changing all the caps.
    Will be booked in for replacement caps sometime in the future back to solid state
    This Weeks Lash Up
    LA Audio A30 EL84 Valve Amplifier
    Wharfedale Dovedale III Loudspeakers
    Pioneer PDS 505 Precision CD Player

    TV
    Topping TP 30 MK2 T Amplifier
    Tandberg Fasett Speakers
    Sky Q Mini Box & - Panasonic Viera "26 TV

  6. #356
    Join Date: Jan 2020

    Location: South Yorkshire

    Posts: 2,683
    I'm Andre.

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    Not cost much Dan only a handful i suspect there are on the board. Get some decent long life jobbies put in.

  7. #357
    Join Date: Sep 2009

    Location: Bournemouth

    Posts: 4,898
    I'm Dan.

    Default

    Quote Originally Posted by Made in 1968 View Post
    Not cost much Dan only a handful i suspect there are on the board. Get some decent long life jobbies put in.
    Will do thanks for advice bud
    This Weeks Lash Up
    LA Audio A30 EL84 Valve Amplifier
    Wharfedale Dovedale III Loudspeakers
    Pioneer PDS 505 Precision CD Player

    TV
    Topping TP 30 MK2 T Amplifier
    Tandberg Fasett Speakers
    Sky Q Mini Box & - Panasonic Viera "26 TV

  8. #358
    Join Date: Sep 2009

    Location: Bournemouth

    Posts: 4,898
    I'm Dan.

    Default

    Quote Originally Posted by AJSki2fly View Post
    I had the same on the pre-amp side of on of my valve amps and it turned out to be a failed capacitor on the heater circuit, luckily no damage to anything else. I was advised that it is not always a good idea to power them up with a failed valve or circuit in case it overloads elsewhere, but you should be OK. The repair hopefully will be relatively cheap on parts.
    Cheers Ade
    This Weeks Lash Up
    LA Audio A30 EL84 Valve Amplifier
    Wharfedale Dovedale III Loudspeakers
    Pioneer PDS 505 Precision CD Player

    TV
    Topping TP 30 MK2 T Amplifier
    Tandberg Fasett Speakers
    Sky Q Mini Box & - Panasonic Viera "26 TV

  9. #359
    Join Date: Jun 2015

    Location: London/Durham

    Posts: 4,371
    I'm Lawrence.

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    Quote Originally Posted by Made in 1968 View Post
    Going by the origin of the amp id be changing all the caps.
    Are you saying Jerry drove his amps hard?

  10. #360
    Join Date: Jan 2020

    Location: South Yorkshire

    Posts: 2,683
    I'm Andre.

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    No im saying where it was manufactured.

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