Luxman L-580

September
1 9 9 4 september 1994
1 9 9 6 1996

First of the post-Alpine AZDEN period with the L-500, the L-580 is the last of the L-550 series and the last Luxman amp using a Heat-Pipe (and probably the last manufacturer using it at all).

And like the previous L-570 and its L-570X's & L-570Z's versions, the 580 outputs music in pure Class A only.

Differences lie in the looks and absence of the processor loop. Looks mostly : the L-580 is essentially a visually redesigned L-570X's.
The transformer, Heat-Pipe and "ultimate attenuator" are the same but the power-supply was however upped with a stronger 340VA rating so as to allow linearily doubling the output for each speaker resistance.

The circuit is all-DC pure complementary with Duo-ß and Star earthing circuits and, also in are, naturally, a Line-Phase sensor, NF tilt tone control (like a C-1000 or L-308), non-resonant 5-point FRP base, gold-plated terminals & relays, styrol "custom" caps and all one can expect from a "limited edition" Lux amplifier.

There was another "L-580" earlier in Luxman's lineup : an export version of the L-58A with added LED meters (much like an M-120A).
This was however USA-only but two of those 120V units were retrofitted by Lux USA with 220V transformers at the request of Luxman EU (Lux is Luxman is complexman) so there are/were two in Europe as well.


A real L-580 here.

Luxman L-580, image 1 Luxman L-580, image 2
Luxman L-580 specifications
Title Value
Class A power output : 2x 50W (8 Ohm)
2x 60W (6 Ohm)
2x 100W (4 Ohm)
2x 200W (2 Ohm)
THD : 0,01% (8 Ohm)
Inputs : 7x 150mV / 47kOhm (lines)
1x 150mV / 47kOhm (XLR balanced)
1x 2,5mV / 50kOhm (MM)
1x 0,1mV / 100 Ohm (MC)
Outputs : 3x tape rec out
S/N ratio : 86dB (MM, for 5mV input)
74dB (MC, for 250µV input)
108dB (lines)
Frequency response : 20Hz...20Khz (± 0,3dB, MM/MC)
10Hz...100Khz (-1dB, lines)
PC : 270W
Dimensions : 43,8 x 17,6 x 46,7cm
Weight : 30kg.
List price : 380,000¥
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