LUXMAN CL-1000

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498.000.000 đ

CONTROL AMPLIFIERS

CL-1000

Technology and music in harmony

Kích thước:460 (W) x 166 (H) x 454 (D) mm

Trọng lượng:24.4kg/Cái

Bảo hành:12 tháng

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Từ 1 - 3 ngày
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Đơn hàng trên 20 triệu
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Chi tiết sản phẩm

Introducing the LECUTA transformer coupled attenuator

The heart of any preamplifier is the volume control. If not executed properly, this key circuit element can cause left/right channel imbalances and introduce subtle but tangible distortions at low volume. For this reason, LUXMAN created our acclaimed LECUA attenuator system. Now we’ve refined the concept with LECUTA, the Luxman Electronically Controlled Ultimate Transformer Attenuator.
The front panel volume control is actually a 34-step rotary switch that triggers 34 relays located totally outside the signal path. The relays activate 34 taps on matching left and right transformers. It is these taps that adjust the volume in carefully calibrated steps. Because transformer cores can influence sound quality, we selected FINEMET® core material from Hitachi Metals, Ltd. This has a unique nanocrystal structure for high saturation flux density, high relative permeability and low core loss. So you’ll enjoy rich, detailed, uncompromising sound even at low volume.
※FINEMET is a registered trademark of Hitachi Metals, Ltd.

Classic design

In a design reminiscent of our classic C-1000, the front panel uses the latest precision machining to superpose three thick aluminum layers into one massive, anti-resonant assembly. The aluminum provides a graceful counterpoint to the cabinet, which we cover in natural walnut with a rosewood gloss finish.

Robust vibration countermeasures

External vibration is the enemy of vacuum tube reproduction. For this reason, LUXMAN engineers built an extremely rigid box chassis reinforced by internal partitions. For added protection, brackets which hold circuit boards are isolated from the main chassis by special rubber dampers. The result is supple, nuanced music reproduction.

Alloy terminals and cast iron feet

No detail was too small for LUXMAN engineers to consider. The RCA input and output terminals consist of an alloy that combines the conductivity of copper with the durability of brass. We also matched the massive, anti-resonant chassis to iron isolator feet. These feature a density gradient that diffuses shelf-borne vibration.

JJ Electronic E88CC dual triode vacuum tubes

Through countless hours of listening, LUXMAN evaluated the sonic characteristics of every circuit element. We adopted two-stage P-K NF amplification. The balanced inputs incorporate super permalloy core transformers. Next, the attenuator driver amplifier achieves 6 dB of gain thanks to a JJ Electronic E88CC dual triode vacuum tube. We selected the E88CC for superb reliability, extremely low noise, attractive dynamics and a densely detailed midrange. After LECUTA volume adjustment, the output stage incorporates a second E88CC and independent left/right super permalloy output transformers.
We couple the stages with our own oil capacitors, which greatly improve audio quality. And to minimize the potential degradation caused by resistors in the signal path, the Line Straight mode completely bypasses the tone controls. So audio reproduction is energetic, yet effortless.

Vinyl playback with MM/MC phono preamp

For exceptional analog reproduction, the CL-1000 accommodates both Moving Magnet and Moving Coil cartridges with an audiophile-grade phono preamplifier. Six-position switches on the rear panel enable you to optimize impedance and capacitance.

Super permalloy input / output transformers

Transformers can have a profound impact on vacuum tube sound quality. We chose independent left and right output transformers with high-permeability super permalloy cores. And we applied the same grade of transformers to the independent left and right balanced inputs. The result? Reproduction of outstanding musicality.

Exceptionally stable power supply

When the music reaches a dynamic climax, the power supply must be ready. That’s why we incorporated a highly stable, extremely potent power supply. A large power transformer plus independent left- and right-channel filter capacitors provide immediate power. You get instant dynamic response, excellent left/right separation and high reliability.

Articulator function

Our deep experience in signal path transformers has alerted us to a significant downside: residual magnetic fields in the cores. For this reason, the CL-1000 oscillates and demagnetizes the transformer cores every time you turn the power on. For an even higher degree of sonic purity, you can perform manual demagnetization using the Articulator switch.

Custom capacitors

Because coupling capacitors influence the sound, we use the LUXMAN oil-impregnated capacitors originally developed for our MQ-300 vacuum tube amplifier. These help deliver rich, satisfying music reproduction. In addition, our original low-profile electrolytic capacitors can handle high current despite their small size.

Specifications

Input sensitivity

LINE / BAL.LINE	：	180 mV / 1 V output, 1 kHz, load 50 kΩ
EXT-IN (PHONO)
MM 100 kΩ (38 dB)	：	2.2 mV / 1 V output, 1 kHz, load 50 kΩ
MM 50 kΩ (38 dB)	：	2.2 mV / 1 V output, 1 kHz, load 50 kΩ
MM 33 kΩ (38 dB)	：	2.2 mV / 1 V output, 1 kHz, load 50 kΩ
MC-H 1 kΩ (57 dB)	：	0.26 mV / 1 V output, 1 kHz, load 50 kΩ
MC-M 40 Ω (57 dB)	：	0.26 mV / 1 V output, 1 kHz, load 50 kΩ
MC-L 10 Ω (66 dB)	：	87 μV / 1 V output, 1 kHz, load 50 kΩ

Input impedance

LINE	：	90 kΩ / 1 kHz
BAL.LINE	：	70 kΩ / 1 kHz
EXT-IN (PHONO)
MM	：	100 kΩ, 50 kΩ, 33 kΩ
MC	：	1 kΩ, 40 Ω, 10 Ω

Output impedance

LINE / BAL.LINE　：　1 kΩ / 1 kHz

Frequency response

LINE / BAL.LINE	：	+0.3, -0 dB / 1 V output, 20 Hz to 20 kHz, load 50 kΩ
EXT-IN (PHONO)	：	±0.3 dB / 1 V output, 20 Hz to 20 kHz, load 50 kΩ

Total harmonic distortion

LINE / BAL.LINE	：	0.016 % / 1 V output, 1 kHz, load 50 kΩ
EXT-IN (PHONO)
MM	：	0.3 % / 1 V output, 1 kHz, load 50 kΩ
MC (H, M)	：	0.3 % / 1 V output, 1 kHz, load 50 kΩ
MC (L)	：	0.5 % / 1 V output, 1 kHz, load 50 kΩ

S/N ratio

LINE / BAL.LINE	：	120 dB (IHF-A) / distortion 1%, 1 kHz, load 50 kΩ
EXT-IN (PHONO)
MM	：	108 dB (IHF-A) / distortion 1%, 1 kHz, load 50 kΩ
MC (H, M)	：	92 dB (IHF-A) / distortion 1%, 1 kHz, load 50 kΩ
MC (L)	：	83 dB (IHF-A) / distortion 1%, 1 kHz, load 50 kΩ

Tone control

Max. amount of change	：	±8 dB
Bass turnover frequency	：	150 Hz, 300 Hz, 600 Hz
Treble turnover frequency	：	1.5 kHz, 3 kHz, 6 kHz

Low cut

30 Hz (-6 dB / oct.)

Circuiting system

2-step amplification P-K NF type,
tone control P-G NF type,
phono equalizer NF type

Vacuum tube used

E88CC (manufactured by JJ Electronic / reliable tube) x 6

Power supply

230 V～(50 Hz)/115 V～ (60 Hz)

Power consumption

52 W

Dimensions

460 (W) x 166 (H) x 454 (D) mm
(including 13.5 mm front knob and 14.5 mm rear terminals)

Net weight

24.4kg (main unit)

Accessories

Power cable

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Catalog

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LUXMAN CL-1000

CL-1000