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  • marcok's Avatar
    10-17-2017, 11:53 AM
    marcok started a thread Denon CD player in Digital Sources
    My brother's Denon Cd player does't read these Cds ...
    0 replies | 21 view(s)
  • marcok's Avatar
    10-14-2017, 05:42 PM
    marcok replied to a thread Class D amps in Amps and Preamps
    Infact, if my memory serves me , the first cd players had Butterworth filters and after Philips / Sony and others moved to Bessel filters and...
    20 replies | 276 view(s)
  • marcok's Avatar
    10-14-2017, 02:48 AM
    marcok replied to a thread Class D amps in Amps and Preamps
    Joe , the efficiency is the reason . About 90% . Netfly , I have guessed that the filter is critic and if there is phase distorsion the sound is...
    20 replies | 276 view(s)
  • marcok's Avatar
    10-13-2017, 04:41 PM
    marcok replied to a thread Class D amps in Amps and Preamps
    Last year ( in a sea resort ) I listened to a system composed by amplified horn speakers in conjuction with an Allen and Heath 16 channel mixer ....
    20 replies | 276 view(s)
  • marcok's Avatar
    10-13-2017, 02:39 PM
    marcok started a thread Class D amps in Amps and Preamps
    What do you think about class D amps ? My question is : Why are there not class D amps for hifi ? ( I have seen only one model by Pioneer ) For...
    20 replies | 276 view(s)
  • marcok's Avatar
    10-04-2017, 03:28 AM
    Thank you Joe , Now it's clear ! I have meant to connect this circuit after the rectifier . I apologize for my mistake . Ciao Marco
    21 replies | 351 view(s)
  • marcok's Avatar
    10-03-2017, 07:57 AM
    The LM 78xx and LM 79xx are perfect fixed dc regulators and they are perfect " ripple killers " . Anyway your circuit is not " good " , because caps...
    21 replies | 351 view(s)
  • marcok's Avatar
    09-29-2017, 06:36 AM
    marcok replied to a thread Reel to to reel tapes in Analog Decks
    I think I will buy ( in the future ) the speakers for my father's Yamaha CA 2010 for approx . the same price . A pair of Klipsch Heresy should...
    10 replies | 284 view(s)
  • marcok's Avatar
    09-28-2017, 05:16 AM
    - Bacharach for balacing the sound image - Barbra Streisand for female voice - Deep Purple for high level sound - Beethoven for violin and...
    12 replies | 188 view(s)
  • marcok's Avatar
    09-27-2017, 12:41 PM
    http://www.ebay.it/itm/Diana-Ross-8-Track-Tape-Lot-3-Tapes-Total/122694609920?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2649 Flashed...
    16574 replies | 916979 view(s)
  • marcok's Avatar
    09-24-2017, 01:06 PM
    marcok replied to a thread Reel to to reel tapes in Analog Decks
    It's the truth : a Revox A77 + 10 x 10.5" plastic reel tapes is approx. 700 and with metal reel tapes is 1000 !!! Perhaps it's too expansive for...
    10 replies | 284 view(s)
  • marcok's Avatar
    09-24-2017, 08:12 AM
    marcok replied to a thread Reel to to reel tapes in Analog Decks
    Thank you ! Any way at present iit's only a dream and I want to get infos , because lately I bought an Akai 8 trak recorder , a Tandberg TCD 320...
    10 replies | 284 view(s)
  • marcok's Avatar
    09-24-2017, 04:13 AM
    Hi all , now I would like to buy a RTR deck ( Revox A77) and here in Europe it's very easy to find good units and all the spares , but what about...
    10 replies | 284 view(s)
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About marcok

Basic Information

Age
61
About marcok
Biography:
I am an electronic engineer and I was in involved in
GSM and UMTS systems .
I and my father (87 ) are Bob Carver's fans .
I have a pair of AR9 power by Carver amp and preamp , etc.
and my father a pair of Infininty RSiiB powered by
PL 4000 a Pl 400 , etc.
Ciao
Marco
Location:
Milan Italy
Interests:
Hifi and model railways
Occupation:
Pre retired
Tagline:
I'm very curious about any tech item

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