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A ciência imersiva do equipamento de áudio trazida até si por {name}

Ariel Cabello

A Pioneer icon: PL-50 with a magnificent burl walnut plinth, a true gem! Spins and locks perfectly at both speeds. Armlift works flawlessly. Technically and optically in beautiful condition. Including the Pioneer JP-505 headshell and tone arm cable. Consider the element a gift since the technical condition can not be guaranteed. It concerns a Japanese import model. Vinyl not included. 


NO RESERVE PRICE. Enjoy the bidding!

Info:

There were 2 types, the PL-50 of the normal version and the PL-50L with the newly developed moving coil system silent lift-up function.

In order to pursue the limit of rotational accuracy, we have adopted an SH rotor type motor in which the rotor support point (bearing) located at the bottom of the motor is moved just below the turntable. By this, we have succeeded in almost matching the position of the center of gravity of the motor with that of the support point.
As a result, the reverse conical motion with the lowest part of the motor shaft as a fulcrum, which occurs due to the slight clearance between the motor shaft and bearing, which could not be prevented by the conventional structure in which the position of the center of gravity and the position of the fulcrum were greatly deviated, is eliminated, and excellent rotational characteristics are secured.
In addition, a quartz PLL DC servo Hall motor with a starting torque of 1.6kg-cm is used to eliminate load fluctuations caused by resistance received by the needle tip from the recording sound groove, and a 330kg-cm DC servo Hall motor is used to eliminate load fluctuations caused by resistance received by the needle tip from the recording sound groove.2A large turntable with a diameter of 31 cm has been adopted.
In the magnetic pole switching mechanism of the motor, three Hall elements developed by Pioneer are used, and other fine parts are finished with micron-order machining accuracy to eliminate minute noise.

A special anti-vibration agent has been applied to the back of the turntable to prevent noise that adversely affects sound quality.

In order to eliminate low-frequency resonance and achieve high sensitivity at the same time, a silicon oil braking tone arm (capable of on/off operation) is adopted.
This is a structure in which a damping fin (ring shape) is submerged in silicon oil injected into the oil cup at the upper part of the arm shaft, and damping is applied. Moreover, by cutting the tip of the fin at 45 degrees, it is designed to simultaneously apply appropriate braking in both horizontal and vertical directions.
As a result, the Q (resonance sharpness) of the low-frequency resonance is reduced, and the mechanical impedance of the tone arm is flattened. In addition, the cross-modulation distortion is greatly improved by the synergistic effect of the mass concentration method that brings the main weight of the arm closer to the rotation axis, and clear reproduction sound is realized in the entire audible band.

The arm base uses a heavy weight arm base made of die cast with a stabilizer effect, and the arm is firmly fixed to suppress partial resonance.

Long type arm with effective length of 250 mm is adopted.

A high-density cabinet with a combination of natural wood (Marble Ebony finish) and 4-layered solid board is adopted, which effectively prevents the cabinet from shaking due to the reaction of the rotational moment of the high torque motor.
The insulator is equipped with a newly developed low-center-of-gravity structure insulator that provides excellent stability against external vibrations such as howling.

By using a damping adjustment adapter sold separately, it becomes a braking level variable arm similar to PL-70, and the braking amount can be adjusted according to the compliance of the cartridge.
When mounting a cartridge with heavy weight (Orthophone SPU-GT type, etc.), it is recommended to use an exchange weight (sold separately).

The PL-50L is equipped with a silent lift-up mechanism that does not produce mechanical sounds.
This is a moving coil system that applies the operation principle of a speaker to the elevation mechanism that moves the arm up and down. It operates without contact with DC voltage.
In addition, the end position of the recording sound groove is detected by non-contact detection using a Hall element Hall element and a magnet inside the arm shaft is adopted, so that no side pressure is generated and sensitivity of the arm is not impaired.


Type Cartridgeless player system
Phono Motor Section
Motor Quartz PLL DC servo Hall motor
Drive system Direct drive
Bearing structure SH / rotor system
Turntable Diameter 31cm
Turntable inertia mass 330kg-cm2(including turntable seats)
Number of revolutions 33 1/3, 45 rpm
Rotational speed change Electronic with short stroke switch
Uneven rotation 0.012% or Less (PL-50L, WRMS/FG Direct Reading Method)
0.013% or Less (PL-50, WRMS/FG Direct Reading Method)
0.023% or Less (WRMS/JIS)
S/N 78 dB or more (DIN-B)
65 dB or More (JIS)
Load variation 0% (Needle Pressure 200g or Less)
Start-up characteristic 1/3 turn or less
Starting torque 1.6kg-cm
Speed detection method All-round integration method FG
Rotational speed deviation Not more than 0.002%
Drift Time drift : 0.00008% / h
Temperature drift : 0.00003% / ° C.
Brake mechanism Pure electronic
Tone Arm Section
Type Oil braking system static balance S-shaped pipe arm
Effective length 250mm
Overhang 14mm
Tracking error + 2.1 °, -1.2 °
Needle pressure adjustment Weight 1 Rotation 1g (0.1g scale)
Applicable Cartridge Dead Weight 4g ~ 13g (when using the attached shell)
Height adjustment range + / - 3 mm
Head shell Aluminum Impact Press Head Shell, Dead Weight 10.5g

Attachment mechanism Quartz lock indicator
Quick stop
Silent Lift Up (Electronic Type, PL-50L Only)
Semiconductors used Quartz : 1
IC:6
Hall element : 4 (3 for PL-50)
LED : 4 (3 for PL-50)
Transistor : 4
Diode : 4
Power 100 V
AC, 50Hz/60Hz
Power consumption PL-50:8W
PL-50L:13W

Weight 15kg

Bom - Número de artigos: 1 - Incluindo: Gira-discos - Sem extras

Pioneer - PL-50 Gira-discos

Equipamento de áudio

Preço de reserva

Sem preço de reserva

Comprar agora

Orçamento

Até

Data de fim

quinta-feira

domingo

quarta-feira

hoje

terça-feira

segunda-feira

29 maio

amanhã

30 maio

Localização

Holanda

Itália

Bélgica

Alemanha

Japão

França

Espanha

Romênia

Dinamarca

Portugal

Polônia

Áustria

Hungria

Hong Kong

Reino Unido

Suíça

Grécia

Croácia

Finlândia

Irlanda

Letônia

Suécia

Marca

Bang & Olufsen

Sony

Bose

Technics

Philips

Pioneer

Marantz

Denon

Akai

Yamaha

Harman Kardon

Bower & Wilkins

Sansui

Kenwood

Grundig

Luxman

Onkyo

Revox

Panasonic

Dual

Thorens

Objeto

Conjunto de colunas

Conjunto de Hi-Fi

Leitor de CD

Coluna

Gira-discos

Amplificador integrado de estado sólido

Recetor estéreo de estado sólido

Leitor de cassetes de áudio

Rádio

Leitor gravador de cassetes

Recetor multi-canal de estado sólido

Conjunto estéreo

Rádio a válvulas

Cassete de áudio

Componente de áudio

Auscultadores

Conjunto de colunas subwoofer

Amplificador de áudio

Sintonizador

Amplificador de estado sólido

Amplificador de potência de estado sólido

Walkman

Conjunto de altifalantes ativos

Gravador de rolo 18 cm

País de origem

Estados Unidos

Vários países

Material

Alumínio

Plástico

Metal

Estado

excelente estado

Muito bom

Como novo

Perfeito e Selado (M&S)

Diversos estados

Excelente (EX)

Muito Bom Mais (VG+)

Razoável / Imperfeito

Razoável e Imperfeito

Perfeito (M)

Bom estado - usado com pequenos sinais de envelhecimento e manchas

Quase Perfeito (NM)

Como novo - não foi utilizado

Excelente estado - muito pouco usado com sinais mínimos de envelhecimento e desgaste

Extras

Sem extras

Cabo de ligação

Controlo remoto

+ Artigo adicional (ver descrição)

Caixa

Manual do utilizador original

Fonte de alimentação

Adaptador elétrico

Renovado

Mala

Sem cabos

Brochuras

Filtro anti-pop

Suporte de choque para microfone

Mala de transporte

Período

1990-2000

Depois de 2020

2000-2010

Género

Clássica

Amarelo

Testado e a funcionar.

Testado e a funcionar/jogável

Não testado

Testado e a funcionar

1900-2000

Depois de 2000

1400-1900

Editora discográfica

HMV (His Masters Voice

Unknown label

Various labels

Pressionando

Prensagem desconhecida

Criador

Livio Castiglioni

Japan & Related

Various Original Soundtracks

Luigi Caccia Dominioni

Franco Albini

A. Dekker

Dieter Rams

Richard Sapper

Michael Young

excelente estado - Número de artigos: 1 - Incluindo: Coluna - Mala

Brionvega Michael Young - TS 217 Coluna

Muito bom - Número de artigos: 1 - Incluindo: Conjunto de Hi-Fi - Fonte de alimentação, Controlo remoto

Sony - FH-919CD Conjunto de Hi-Fi - Vários modelos

Muito bom - Número de artigos: 1 - Incluindo: Sem extras

Sonora Sonorette 50 - Iconic 1950s French Design Green Marble Finish Rádio

excelente estado - Número de artigos: 1 - Incluindo: Recetor estéreo de estado sólido - Cabo de ligação

Yamaha - RX-V480 Recetor estéreo de estado sólido

excelente estado - Número de artigos: 1 - Incluindo: Sem extras

Made in P.R.C. Brevetti Ducati - Ducati RR 3404  - Miniature Rádio

Bom - Número de artigos: 3 - Incluindo: Conjunto de Hi-Fi - Brochuras

Technics - ST-X302L / SL-PJ28A / SU-X102 Nova Classe A Conjunto de Hi-Fi - Vários modelos

Bumper Radio - 54312 Rádio

Bom - Número de artigos: 1 - Incluindo: + Artigo adicional (ver descrição)

Sony - PS-2350 Gira-discos

Muito bom - Número de artigos: 1 - Incluindo: + Artigo adicional (ver descrição)

Radio-Marine - Technifrance Navitech Rádio

excelente estado - Número de artigos: 1 - Incluindo: Cabo de ligação

Technics - RS-B608R Dual Motor  DBX HXPRO Leitor de cassetes de áudio

excelente estado - Número de artigos: 1 - Incluindo: Mala, Adaptador elétrico, Cabo de ligação, + Artigo adicional (ver descrição)

Sony - TCS-350 Walkman

excelente estado - Número de artigos: 1 - Incluindo: Auscultadores - Caixa

Richard Orlinski - Kong Auscultadores

Muito bom - Número de artigos: 1 - Incluindo: Cabo de ligação, + Artigo adicional (ver descrição)

Audio sonic - TBS-8900 Boombox Rádio portátil

Bom - Número de artigos: 1 - Incluindo: Recetor estéreo de estado sólido - Sem extras

Kenwood - KR-2400 Recetor estéreo de estado sólido

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