Luxman L-509u 合併擴音機

Luxman

雙絕緣的... 請問係咩解？
tckl 發表於 2011-8-18 19:50

    呢個係有關電線絕緣既構造,我都係由原裝電源線不能正式進口時才知道有雙絕緣。

有機會的話會向機電工程查詢,再作解答。

louisc

回復 21# Luxman


    請教，509u 和 507u 的 damping factor 和水塘有多少呢?唔該晒。

Luxman

回復 22# louisc

L-507U


    SPECIFICATIONS Continuous effective output
110W + 110W/8O
200W + 200W/4O

Input
4 line systems
Phono 1 system (MM/MC switchable)
2 balanced line inputs

Sound recording input/output
2 line systems

Pre- output and main input
1 system, each

Speaker output
A, B 2 systems

Amplifier version
ODNF 3.0

Output constitution
Bipolar parallel PP

Power transformer
   
Damping factor
   
Harmonic Distortion
  or less
  ( 8O at 1KHz)

or less
  (8O and 20Hz~20KHz)


Input sensitivity/impedance
PHONO (MM)
: 2.5mV/47KO

PHONO (MC)
: 0.3mV/100O

LINE
: 180mV/42KO

BAL. LINE
: 180mV/79KO

MAIN-IN
: 1V/51KO


Output voltage
TAPE: 180mV and PRE-OUT: 1V

Signal-to-Noise Ratio

(IHF-A)
PHONO (MM)
: Above   

PHONO (MC)
: Above

LINE
: Above


Frequency characteristic
PHONO
: 20Hz~20,000Hz (±0.5dB)

LINE
: 20Hz~100KHz (+0dB ~ -3dB)


Controls
Front panell
:  
  Volume and input selector, meter, power switch, monitor switch, [phono] MC switch, REC out switch,  speaker selector, stereo / mono mode selector, bass (±10dB @ 100Hz) & treble (±10dB @ 10kHz) tone controls, subsonic filter (9 Hz) and balance control, line straight switch (tone controls bypass), separate switch (splits the internal preamp from the amplifier) meter light and headphone jack, power on indicator and protection indicator


Rear panel
:
Balanced phase inverter, signal ground and line phase sensor, AC inlet.

Remote Control



Electric power consumption
1.2W (stand-by),  82W (idle),   260W  (rated output)

Dimensions W x H x D
18.3” (467mm) 7” (179) 17.25” (437)

Weight
50 lbs.    (22.5kg) nett.  62 lbs shipping

Luxman

回復  Luxman


    請教，509u 和 507u 的 damping factor 和水塘有多少呢?唔該晒。 ...
louisc 發表於 2011-8-19 21:26

L-509U


    Specifications                          

Continuous Output
120W + 120W/8O  Class AB
240W + 240W/4O

Total Harmonic Distortion
0.003% or less
(8O and 1KHz

0.03% or less
(8O and 20Hz~20KHz)


Input sensitivity/impedance
PHONO (MM)
: 2.5mV/47KO

PHONO (MC)
: 0.3mV/100O

LINE
: 193mV/55KO

BAL.LINE
: 193mV/55KO

MAIN-IN
: 1V/51KO


Output Voltage
TAPE: 193mV and PRE-OUT: 1V

Signal-to-Noise Ratio

(IHF-A)
PHONO (MM)
: Above 91dB

PHONO (MC)
: Above 75dB

LINE
: Above 107dB


Frequency Response
PHONO
: 20Hz~20,000Hz (±0.5dB)

LINE
: 20Hz~100KHz (+0, - 3.0dB)


Controls
Front panel
:
Volume and input selector, power switch, monitor switch, [phono] MC switch, balanced input switch, REC out selector and speaker switch, stereo / mono selector, bass & treble controls and balance control, direct line switch, preamp & amplifier separate switch, headphone jack, power on indicator and protection indicator


Rear panel
:
Signal ground and line phase sensor, AC inlet.



Electric power consumption

85W (idle)  330W  

Dimensions
18.3” (W) 7” (H) 17.05” (D)

Weight
62.7 lbs. 70 lbs. (shipping)

Luxman

回復  Luxman


    請教，509u 和 507u 的 damping factor 和水塘有多少呢?唔該晒。 ...
louisc 發表於 2011-8-19 21:26

    Measurements were made at 230V AC line voltage with both channels being driven.
Measurements were made on the left channel on the unbalanced inputs in the "line-straight" mode unless otherwise noted.
Input/output polarity
Unbalanced inputs: non-inverting
Balanced inputs: inverting
(note: balanced inputs do invert polarity in the "normal" position of the balanced input phase switch as Luxman has defined pin 3 "hot" for their balanced inputs. This is easily changed by pressing the switch to "reverse.")
Phono inputs: non-inverting
AC line current draw at idle: 1.1A
Input sensitivity for 1W output into 8 ohms, volume at maximum, Lch/Rch
Unbalanced inputs: 17.3mV / 17.3mV
Balanced inputs: 17.5mV / 17.6mV
Input impedance @ 1kHz
Unbalanced inputs: 51k ohms
Balanced inputs: 65k ohms
Phono MM inputs: 46k ohms
Phono MC inputs: 100 ohms
Output impedance at 50Hz: 0.027 ohm
Gain, output voltage divided by input voltage, volume at maximum, Lch/Rch
Unbalanced inputs: 163.6X, 44.3dB / 163.2X, 44.3dB
Balanced inputs: 161.3X, 44.2 dB / 161.1X, 44.1dB
Phono gain, at 1kHz to tape out
MM: 59.8X, 35.5dB
MC: 550.0X, 54.8dB
Phono overload, input voltage at 1kHz at onset of visual distortion
MM: 165.0mV
MC: 21.6mV
Output noise, unbalanced inputs, 8-ohm load, 1k-ohm input termination, Lch/Rch
Volume control at reference position
wideband: 2.1mV, -62.6dBW / 2.1mV, -73.9dBW
A weighted: 0.30mV, -79.5dBW / 0.28mV, -80.1dBW
Volume control full clockwise
wideband: 3.8mV, -57.4dBW / 4.0mV, -57.0dBW
A weighted: 0.20mV, -83.0dBW / 0.23mV, -81.8dBW
Volume control set for 20dB attenuation below reference
wideband: 1.7mV, -64.4dBW / 1.7mV, -64.4dBW
A weighted: 0.18mV, -84.0 dBW / 0.17mV, -84.4dBW
Volume control full counterclockwise
wideband: 1.6mV, -65.0dBW / 1.6mV, -65.0dBW
A weighted: 0.18 mV, -84.0dBW / 0.16mV, -85.0dBW
Output noise, balanced inputs, 8-ohm load, 1k-ohm input termination, Lch/Rch
Volume control at reference position
wideband: 2.1mV, -62.6dBW / 2.1mV, -62.6dBW
A weighted: 0.31mV, -79.2dBW / 0.29mV, -79.8dBW
Volume control full clockwise
wideband: 3.9mV, -57.2dBW / 3.9mV, -57.2dBW
A weighted: 1.1mV, -68.2dBW / 1.1mV, -68.2dBW
Volume control set for 20dB attenuation below reference
wideband: 1.7mV, -64.4dBW / 1.7mV, -64.4dBW
A weighted: 0.20mV, -83.0dBW / 0.17mV, -84.4dBW
Volume control full counterclockwise
wideband: 1.5mV, -65.5dBW / 1.6mV, -65.0dBW
A weighted: 0.17mV, -84.4dBW / 0.15mV, -85.5dBW
Phono-referred-equivalent input noise, Lch/Rch
MM, input 1k-ohm termination resistance
wideband: 5.8uV / 5.6uV
A weighted: 0.27uV / 0.28uV
MC, input 100-ohm termination resistance
wideband: 0.65uV / 0.69uV
A weighted: 0.13uV / 0.12uV

Luxman

回復  Luxman


    請教，509u 和 507u 的 damping factor 和水塘有多少呢?唔該晒。 ...
louisc 發表於 2011-8-19 21:26

    Chart of Damping Factor of L-509U

louisc

回復 26# Luxman


    明白了。那507u chart 有嗎？

Luxman

回復  Luxman


    明白了。那507u chart 有嗎？
louisc 發表於 2011-8-20 12:36

    L-507U的還沒有,但廠方聲稱所有數據(除了相差10W輸出外)只有一丁點分別。

HF88008

用过507F，还不错

bfour

How to remove the small plastic protective cover (inside jumper hole) of speaker terminal ?