Marantz Ad-6

1 9 8 1 1981
1 9 8 3 1983

Electronic crossover and later, x-rare, addition to the ESOTEC line, like the MC-1000 or BTL-1...

The Ad-6 was not built by Marantz in Japan but at first by Gekko Laboratory then by Exceltronics in Japan ; there was an Ad-5, too, before the 6, therefore sans Esotec tag but made by Chubuec...

Sony was ruling the market since 1978 with the TA-D88B and ESPRIT TA-D900 later on, with Accuphase and the Pioneer D-23 playing on the remote side (except in Japan) and whatever market space was left.

So the Ad-6, introduced as late as it was, couldn't sell much. In fact it didn't sell at all. Bar a block-diagram in january 1983 and a march 1982 b/w ad, both published in Musen to Jikken (MJ, Japan), the Ad-6 is an x-rare rarity - anyone ever seen this and/or used this crossover ?


A real Ad-6 with the ESOTEC tag, therefore early in the production run, is visible here (Gekko), and an Exceltronics version, sans ESOTEC tag here ; the Ad-5 version (made by "Chubuec") here.

Marantz Ad-6, image 1 Marantz Ad-6, image 2
Marantz Ad-6 specifications
Title Value
L/R Crossovers : 70Hz
90Hz
180Hz
300Hz
500Hz
800Hz
1,2Khz
3,2Khz
5Khz
7Khz
10Khz
Slopes : 6 or 12dB / oct.
Output level switch : 0dB or +6dB
Center channel : 50Hz / OFF / 90Hz (24dB/oct.)
S/N ratio : 100dB (IHF-A)
THD : 0,003% (20Hz...20Khz, at 1,5V output)
Frequency response : 10Hz...100Khz (+0 / -1dB)
Dimensions : 41,6 x 4,45 x 30cm
Weight : 4,8kg.
List price : 99,800¥ (1982)
Marantz Ad-6 : 0 topic
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page online since : may 2007
page updated : march 2010
page type : LGT / KNB
page weight : 148.13 Kb / 0 b

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