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Thread: Balanced DCB1

  1. #11
    Join Date: Nov 2017

    Location: Godalming, Surrey, UK

    Posts: 42
    I'm Dominic.

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    H
    Quote Originally Posted by grog View Post
    awesome looking build, what was the incentive to go balanced?
    i have the same board running SE, with a relay stepped attenuator,
    if it's for non audio and low power, i use these, https://cpc.farnell.com/myrra/47152/...reg/dp/TF01429
    Thanks for suggestion, they look perfect.
    Going balanced was partly just curiosity. My mono blocks are next to the speakers with the other components off to one side. It all worked ok, but did need 4.5m long interconnect cables and I wondered if these might work better balanced.

  2. #12
    Join Date: Jan 2009

    Location: Essex

    Posts: 22,562
    I'm openingabottleofwine.

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    Quote Originally Posted by Domg View Post
    H
    Thanks for suggestion, they look perfect.
    Going balanced was partly just curiosity. My mono blocks are next to the speakers with the other components off to one side. It all worked ok, but did need 4.5m long interconnect cables and I wondered if these might work better balanced.
    I use a pair of monoblock power amplifiers, each located directly behind the speakers (so the speaker cables are about 30cm in length). The monoblocks have balanced-line inputs and are connected to the preamplifier (which has true dual differential balanced outputs) via 15m of balanced-line cable running under the floor.

    Works for me, so I would recommend you try it out in your system Dominic.
    Barry

  3. #13
    Join Date: Apr 2016

    Location: Bishops Stortford

    Posts: 909
    I'm Chris.

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    Quote Originally Posted by Macca View Post
    A preamplifier.
    With no overall gain?
    SW1X Universal Music Server UMS I Signature with Power Supply Unit PSU I Signature
    SW1X USB II
    SW1X DAC III Special
    SW1X Open Baffle Speakers containing both vintage and modern alnico drivers and paper cones. All silver wired and crossover-less where possible - 4" vintage Siemens Klangfilm tweeters, 8" Supravox 215 RTF64 vintage midrange drivers and vintage 15" Altec VOTT 416 bass drivers
    Hi fi Collective twin mono ladder stepped attenuator, with Charcroft Z-foil and silver wired.
    DRD 45 single ended, 45 triode, monoblocks,
    Silver mains cables, interconnects and speaker cables by SW1X

  4. #14
    Join Date: Nov 2010

    Location: Yorkshire

    Posts: 8,185
    I'm AnDreW.

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    Amazing build quality. Just goes to show what can be done in your garden shed!!!!
    SS

    CD Teac VRDS25X(Audiotuned) DAC Caiman SEG+15V PSU+Dorado DECK 1210 Mat Crystal Audio Mods MN Base/Bearing/Platter+Ebony armboard Feet Isonoe/Ebony PSU Paul Hynes SR7EHD-27XL/DCSXL Ag DC lead/3 Stage Regs/Recap PCB+No Pitch/Strobe/Light ARM SME V(Kondo Ag Rewire&Tags) MC Cadenza Black FGS CABLES Arm Yannis SPD-4 IC Yannis 222 Litz+Ag bullets Power WAR PRE ATC SCA2 SPEAKERS ATC 50ASL STANDS Atacama PHONO Sugden Masterclass PA4 SUT Ortofon ST80SE POWER PSAudio P10

    VALVE

    PRE
    Croft Epoch(Modified) AMP Sondex S100 (Modified) SPEAKERS Tannoy 15"MG+RFC Warwick cabs+ Reference XO DECKS Garrard301/401 (Bastin) Mat Teunto Bearings 301/401(Bastin) Plinth Moldovan/Bastin Arms 3009/3012(Ikeda Ag wired) SME V 12 PSU Eagle+Tachometer MC Ag Meister v2 / Royall N SPU's CABLES Arm Yannis 420.5 Litz+ Speaker 10mm Cu + WBT-0681 Ag IC Oyaide FTVS-510 AgWBT 0110Ag Phonostage Paradise(4 Box Modded) / EAR 834 Clone (modded)

    REAL SOUND


    PRE Radford SC25 (Mullard ECC83/82) POWER RADFORD STA25 Renaissance (Electroharmonix EL34) SPEAKERS Celestion Ditton 15 (Duelund Rewired/Jantzen Recapped) CABLES Speaker - Duelund AWG 12IC - Belden 8402+Switchcraft RCA



  5. #15
    Join Date: Aug 2009

    Location: Staffordshire, England

    Posts: 27,496
    I'm Martin.

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    Quote Originally Posted by bumpy View Post
    With no overall gain?
    Yes, zero gain. Which granted means it isn't technically a pre-amplifier, it's a buffer. But it's the common terminology.
    Current Lash Up:

    *Oppo BDT-101CI* Nelson Pass DCB1 / Krell KSA100 mkII * JM Lab Electra 926 *


    'You fool! To think that your ape-brain could contain the full knowledge of the Krell!'

  6. #16
    Join Date: Jun 2015

    Location: London/Durham

    Posts: 3,856
    I'm Lawrence.

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    Quote Originally Posted by Macca View Post
    Yes, zero gain. Which granted means it isn't technically a pre-amplifier, it's a buffer. But it's the common terminology.
    I'd probably strictly call it an attenuated buffer. Or a buffered attenuator

  7. #17
    Join Date: Aug 2009

    Location: Staffordshire, England

    Posts: 27,496
    I'm Martin.

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    Well whatever it is it's an outstanding bit of kit. The best 'Thing that goes in front of the power amplifier and lets you change the volume' I've ever had.
    Current Lash Up:

    *Oppo BDT-101CI* Nelson Pass DCB1 / Krell KSA100 mkII * JM Lab Electra 926 *


    'You fool! To think that your ape-brain could contain the full knowledge of the Krell!'

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