Audio Quality that fulfills the Dream.
We know the true measurements of the minimum performance standards of quality amplifiers must be of a very high level. However, these figures are not the only requirements. Despite every effort to make amp design a pure science, one amp among many with similar absolute specifications can have, relatively, far better sound quality.
The reason: there are more comprehensive theories of amp design which account for such problems as harmonic, intermodulation, crossover and notch distortions; frequency response; stability; filters; and equilization, as all of them relate to statements of power.
Whatever the scientific theory, Lux conducts the most scrupulous listening test with engineers and musicians in different fields to ensure that Luxman amps sound best apart from what is considered good in brochures.
to
To Lux, sound is not only a science but an art. Listen to the ultimate difference at your nearest audio shop.
LUX does not talk much about specifications, but speaks only what a certain product can offer you, and that is all we can explain about the product. It may not be of much help to those who select the product depending on distortion, frequency response, etc. For LUX specifications are not all. At the same time, extended treble or voluminous bass is just a part of expression. Life is given to a music only when all factors are organically combined for reproduction of sound. The value of a product depends on how much its quality can be enhanced. With the C-05 and M-05, totally uncoloured music reproduction is realized with unprecedented tranquility in sonic background. We ourselves are confident that reproduction full of musicality is now realized beyond the kind of music whether from digital or from analog sources. Needless to say, its superb performance owes much to LUX's refined technology represented by "Duo-β" circuitry.
Ultimate Simplicity—"Single-Stage"—Amp Configuration
It begins with the "Duo-\beta" technology:
How to give a life to music? That might be,
Negative Feedback (NFb) is a circuit device to rather than as a basic element of circuitry. It can, however, cause as many problems can solve. NFb can reduce total harmonic distortion (THD), but at the same time Construction of virings and elimination of same time Construction of the final solution is given to this can solve. (TIM). TIM is more disturbing to the listener (TIM). TIM is more disturbing to the listener and more conductive to listener's intege. A smaller amount of TIM is worse than her to use number of components.
To make the most of this device. LUX then to apply an optimum amount of NFb for a tight bass and full tonal bala
With the C-05 and M-05, such circuit design has been further advanced and reinforced in the form of "Duoβ Circuit/S" by means of "Plus X" power supply and "Single-Stage"
Birth of "Single-Stage" Amp
lems are brought to light as how many of
standardized in such configuration as 1st stage - 2nd stage – output stage. For instance, in the case of equalizer, such high gain as much amount of NFb was needed to improve such static characteristics as distortion, which
made totally independent to prevent adverse effect on the 1st stage. In this way, we
brought about an epoch-making improvement in the following 2 points. The first is a sole earth-referenced amplification circuitry. So modulations of music signals. And also the
employs a stagger to compensate for the Stage" Amp – dramatic improvement in
Single-Stage Amp
| CONVENTIONAL | 1st STAGE | 2nd STAGE | |
|---|---|---|---|
| SINGLE STAGE |
Pure Class "A"
It is a well-known fact that the Class "A"
Recently many manufacturers have been
"Pure Audio" Concept a
most of them are designed under quasi-Class " that is virtually Class "AB" totally different from our genuine Class "A". Here depicted are 2 kinds of waveforms. With
amplified as it is without switching, thus
Summit of Elaboration—Absolutization of Zero (0) Reference Potential
fluctuations of signal current trigger inter ference among music signals, thus causing many evils such as blurred sonic image. The mutual interference among music signals takes place most conspicuously between the other following the fluctuations of input level at the right channel. This is caused by a
With the C-05 and M-05, the common power
Employment of Twin-Monaural Configuration
Both of the C-05 and M-05 feature perfect
Elimination of Theoretical Middle
The theoretical middle point, i.e., "0"-potential exists in between the (+) and (-)
lines at each stage are concentrated on one
Prestige Pre-Amplifier
C-05 Symmetric Push-Pull Circuit -NFB - Output
As digital audio evolves, many of the good the flat amp section in pre-amp that receives and amplifies the output of this DAD, and this amp stage. In this sense, the flat amp may be called the heart of the pre-amp. In designstands for, to create no variation in seend and musicality, was the fundamental control on. On top of that, literally wide dynamic range is quietness at the time of interruption. True wide dynamic range can be procured only with high S/N ratio not only in specifications
The advantage of wide dynamic range lies in
The circuit composition is same as that of the
nd "Duo-\beta" Technology Cre
Symmetric Differential, Cascode Push-Pull Operation with S.E.P.P. Output at All Stages
equalizer amp with symmetric different and unparalleled stability in combination with high-performance operational amp by FET input at the DC servo circuit.
Head Amn
Head amp has the role to amplify low-impedance signals from MC cartridge, and it is not wise to employ FET whose S/N is inferior to that of transistor. Here, compose 1-stage amp of differential cascode configuration small power transistor with heat-sink, which realizes high S/N and powerful driving capa-bility against load. Despite almost 20-time
Equalizer Amp
The symmetric differential, double-cascode FF f the highest Gm exerts 1-stage ampli-ric n with the best load resistance, ensuring compatibility of high S/N ratio and low distortion. The equalizer amp reproduces
Circuitwise, the equalizer amp has the same configuration as the flat-amp based on the idea to combine an ultimate fidelity amp with makes it possible not simply to realize the flatness in frequency response, but to provide ample allowance to NFb load and low impedance at the output. In this way, even Archi
DUO B-CIRCUIT/S
recordists can be reproduced without capacitor totally banishes harmful inter-stage
Power Supply Section
The power supply section is so designed as First a large, circular power transformer ently for the right and left channels, and the
The polarity is strictly controlled at the primary as well as secondary sides of the individually employed at the head-amp and
Aluminium Chassis & Select Compo-
In the case of the C-05, not merely the interaluminium chassis employing double-layer noxious wirings. As to the componentry,
LUXMAN TWIN-MON
1chael-Otto
beim
polarity is controlled even for the film polarity, and non-oxigen copper wires are
elect Componentry
L protect
overheating
warm-up
direct input
BTL
ULTIMATE FIDELITY STEREO COMPONENT
105W under pure Class "A" configuration by
means of fixed bias current. Of late many manufacturers have been intro-ducing so-called class "A" amps, but most of them are virtually of class "AB" operation just to show ostensible high power quite different from our genuine class "A". With the M-05, pure class "A" circuit is operated with abundant application of fixed bias
Exclusive designed, huge heat-sink block and make it possible to take out with ease such
Huge Output under Genuine Class "A" Operation with Perfect Twin-Monaural Configuration
high power as 105W per channel. In fact, the entire capability exceeds 400W + 400W in
In case of the BTL (Duo-Alpha) connection, invertor amp. Such sumptuous system is now made possible as if 2 separate amps were used for one channel.
Amplification Stages
The pre-driver stage is composed by cascode boot-strap differential 1-stage amp by dual FET, while the driver and output stages feature S.E.P.P. system by means of 3-stage
Darlington connection. For the output stage, high-speed power tran-sistors excellent in linearity are arranged in triple push-pull configuration.
Power Supply Section
To support high quality class "A" power, the power supply is placed independently for the right and left channels. The power transformwhose inside is solidified by silicon sand to suppress temperature rise. Needless to say, perfect control is rendered on wirings for both of the primary and secondary sides. 2 large chemical capacitors for audio use are em-ployed in each channel. The constant voltage separate windings on the right and left
Generous Construction
Like the case of the C-05, select componentry is ungrudgingly applied to remove magnetic
Hersteller
SPECIFICATIONS C-05
|
Input Sensitivity
& Impedance |
PHONO-MC 100μV 500Ω/100Ω
PHONO-MM 2mV 50kΩ DAD/LINE/TUNER/MONITOR 150mV 47kΩ |
|---|---|
|
Rated Output Voltage
& Output Impedance |
REC OUT 150mV 100Ω PRE OUT 1.5V (nominal)/ 18V (max.) 39Ω |
|
PHONO Overload
(1kHz, RMS) |
PHONO-MC 12.5mV
PHONO-MM 250mV |
| Frequency Response |
PHONO-MC 20Hz-20kHz (±0.2dB)
PHONO-MM 20Hz-20kHz (±0.2dB) DAD/LINE/TUNER/MONITOR 2Hz-100kHz (±0.5dB) |
|
Total Harmonic
Distortion (20Hz-20kHz, VOL. -30dB, Output 2V) |
PHONO-MC no more than 0.01%
PHONO-MM no more than 0.005% DAD/LINE/TUNER/MONITOR no more than 0.002% |
| 0-0 00 C DIMAN | ||
|---|---|---|
|
Rated I.M.
(2V Output, SMPTE 60Hz:7kHz=4:1) |
no more than 0.005% | |
|
Signal-to-Noise Ratio
(IHF, A-weighted) |
PHONO-MC better than 80dB
(250µV) PHONO-MM better than 90dB (5mV) DAD/LINE/TUNER/MONITOR better than 110dB (1V) |
|
| Additional Features |
Signal-Off Switch
Warm-Up Indicator |
|
| Dimensions | 460mm(W) × 442mm(D) × 135mm(H) | |
| Weight |
Net 11.0kgs
Gross 13.0kgs |
|
| Optional Accessories |
Rack-Mount Attachments Kit
LM-05C, Wooden Cabinet W-05C |
|
SPECIFICATIONS M-05
| Power Output | O O beim H |
letelel
chael-( |
Det to |
|---|---|---|---|
|
minimum continuous per channel,
both channels driven into 8Ω loads, 20Hz - 20kHz, with no more than 0.008% total harmonic distortion |
Additional Features |
Power Peak Meter with Peak-Hold
Facility (Meter-Off Switch provided) Exclusive Output Terminals for Electrostatic Speaker System |
|
|
Power Output at
BTL (Duo-Alpha) Monaural Connection |
400 watts in class-AB mode minimum
continuous, reserving genuine class-A operation up to 105 watts, driven into 8Ω loads, 20Hz - 20kHz, with no more than 0.008% total harmonic distortion |
Signal-Off Switch
BTL (Duo-Alpha) Monaural Connection Selector Switch Subsonic Filter (15Hz, -6dB/oct.) Direct-In/Att-In Selector Switch |
|
|
Rated I.M. (8Ω,
105W/ch, SMPTE 60Hz:7kHz=4:1) |
no more than 0.008% | Protection Circuitry |
STAND-BY Pre-Heating Facility
DC-Drift Detecting Speaker System |
|
Power Bandwidth
(IHF,-3dB,THD 0.2%) |
5Hz - 60kHz |
Protection Circuit
Current Detecting Amplifier Protec- tion Circuit Heat Sensing Amplifier Protection |
|
| Gain | 32dB | ||
| Frequency Response | 10Hz - 100kHz (+0, -1.5dB) | Circuit | |
|
Signal-to-Noise Ratio
(IHF, A-weighted, |
better than 120dB |
Dimensions
Weight |
460mm(W) × 437mm(D) × 210mm(H)
Net 40.0kgs |
| Input Sensitivity | 750mV | 0 | Gross 44.5kgs |
| Input Impedance |
DIRECT-IN/300kΩ
ATT-IN/45kΩ |
Optional Accessories |
Rack-Mount Attachments Kit
LM-05M, Wooden Cabinet W-05M |
|
Damping Factor
(8Ω, 1kHz) |
180 | *Specifications and apper | ance design subject to change without notice |
*Specifications and apperance design subject to change without notice.
LUX CORPORATION
2-3, 1-Chome, Minami-Yukigaya, Ohta-Ku, Tokyo 145, Japan PHONE: 03-726-6211 TELEX: 2466953 LUXMAN J FACS.:03-728-7609 Printed in Japan
Loading...