The JVC Nivico SRP-473E is a stereo record player designed for automatic operation with a focus on user convenience and sound quality.
Function Description
The SRP-473E is a 2-speed, auto up-stop system stereo record player. Its primary function is to play vinyl records at two standard speeds, 33 1/3 and 45 revolutions per minute (r.p.m.). The "auto up-stop" feature signifies that the pick-up arm automatically lifts and the motor switches off once a record has finished playing, preventing unnecessary wear on the stylus and record. This automatic mechanism is initiated when the pick-up enters the inside turn of the sound groove at the end of the record. The rotating arm pushes a stop plate, which in turn causes a stopper to move, unlocking a gear that then engages with the turntable gear. This rotation drives a slide plate, which lifts the pick-up arm. After the pick-up is fully raised, the slide plate and a switching lever activate a contact, automatically turning off the motor. The pick-up remains in the raised position. To prepare for the next record, pulling the "START" lever repositions the stop plate, making the system ready for another auto-up function. The device also includes a "STOP" lever, which, when pulled, unlocks the gear and causes it to engage with the turntable gear, repeating the auto-up operation, effectively allowing the user to skip over a part of the sound groove or stop playback manually.
Important Technical Specifications
- Type: 2 Speed, auto up-stop system, stereo record player
- Motor: 4 poles synchronous motor
- Turntable Speed: 33 1/3, 45 r.p.m.
- Pick-up: Stable balance type universal tone arm
- Cartridge: Moving magnet type with diamond stylus
- Drive System: Belt drive system
- Stylus Pressure: 2-3 g
- Stylus Name: DT-33H
- Power Source: AC 100~120V, 200~240V 50/60Hz Selectable
- Power Consumption: 50/60Hz 13W
- Dimensions: Height 7 1/4" (18.4 cm), Width 16 3/16" (41.1 cm), Depth 14 9/16" (37 cm)
- Weight: 22 Lbs. (10 kg)
Usage Features
The SRP-473E offers several features designed to enhance user experience:
- Automatic Operation: The auto up-stop system simplifies playback by automatically lifting the pick-up arm and stopping the motor at the end of a record, reducing the need for manual intervention.
- Universal Tone Arm: The stable balance type universal tone arm is designed to accept various cartridges, offering flexibility for users who may wish to upgrade or change their cartridge.
- Selectable Power Source: The device can operate on AC 100~120V or 200~240V at 50/60Hz, making it adaptable to different electrical standards globally. This requires adjusting the voltage changing switch (100~120V / 200~240V) located on the unit.
- Stylus Pressure Adjustment: Users can adjust the stylus pressure to optimize playback and minimize record wear. This involves rotating the main weight to align the stylus tip with the record level, then rotating the dial ring to "O" for calibration, and finally adjusting the main weight to the desired stylus pressure (e.g., 2-3g).
- Manual Stop Function: The "STOP" lever allows users to interrupt playback and activate the auto-up mechanism at any point during a record, providing control over the listening experience.
Maintenance Features
The SRP-473E is designed with user-friendly maintenance in mind:
- Stylus Replacement: The stylus is easily replaceable. A worn stylus, which can cause noise and poor sound, can be removed by pulling it out and a new DT-33H diamond stylus inserted. The DT-33H stylus has an estimated life of 1,000 to 2,000 hours.
- Cartridge Replacement: The tone arm is designed for universal cartridge acceptance. To replace the cartridge, the head is removed by rotating the connector nut counter-clockwise. Users can then replace the cartridge, taking care with wiring polarity. After replacement, stylus pressure adjustment is necessary, with specific recommendations for the original cartridge type (2.5g) or other types requiring full balance and pressure adjustments.
- Motor Pulley Replacement for Cycle Alteration: If the power supply cycle changes (e.g., from 50Hz to 60Hz or vice versa), only the motor pulley needs to be replaced, indicating a straightforward process for adapting to different power frequencies.
- Voltage Adjustment: The voltage select switch (100~120V / 200~240V) allows users to adapt the record player to different regional power voltages by simply resetting the switch.
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