Technics New Generation Grand Class Turntable - SL-1300G

Description

Turntable with a Hi-Fi design featuring ΔΣ-Drive, a new motor drive technology that delivers high rotational accuracy and low vibration. The turntable’s new motor, three-layer platter, and high-rigidity chassis ensure even higher sound quality.

Coreless Direct Drive Motor Achieving Stable Rotation

In the SL-1300G, the use of a coreless direct-drive motor with no iron core eliminates uneven rotation of the turntable known as cogging. Also, the twin-rotor construction reduces the bearing load while maintaining high torque, and reduces minute vibrations during rotation. Furthermore, the SL 1300G’s motor was redesigned to eliminate subtle vibrations that could affect sound quality. To improve rigidity, the same reinforcement pattern as the Reference Class SL-1000R/SP 10R was used for the coil mounting base.

Motor-Drive System, ΔΣ Drive (Delta Sigma Drive)

Unlock a realm of audio precision with the ΔΣ-Drive – a state-of-the-art system harnessing Technics’ expertise in PWM signal processing. In addition to reducing harmonics, the drive suppresses vibrations from the motor for smoother, more accurate rotation, ensuring a rich reproduction of the music. 

Three-layered turntable platter

 

The turntable has a three-layered construction with a rigidly combined brass and aluminium die-cast platter. With a deadening rubber covering its entire rear surface to eliminate unnecessary resonance, thereby achieving high rigidity and vibration damping. This delivers smooth rotational stability and inertial mass surpassing the SP-10MK2, the direct-drive turntable standard used by broadcast stations worldwide, as well as having more than twice the inertial mass of the SL-1200MK5.

 

Two-layered Cabinet Construction

 

The SL-1300G ensures high rigidity by using a body with a two-layered construction that solidly unifies the BMC and the aluminium die-cast chassis. Reinforcing ribs have been added between the motor/tone arm on the top panel. This improves rigidity and vibration damping characteristics

 

High-level Balance Adjustment

 

When the weight distribution of the turntable is uneven, excess vibration or noise occurs during rotation, which causes degradation in sound quality. Therefore, the balance of the turntable is adjusted at the factory by using specialized high-precision balance adjustment equipment for each and every item after the turntable is assembled. Turntables that have undergone adjustment are labelled with a sticker reading “BALANCED” to indicate that adjustment has been done.

 

Low-Noise Switching Circuit

 

Use of a high-speed switching power supply ensures a stable supply capacity and less ripple and humming. Applying a switching power supply to a turntable eliminates the need for a large transformer and countermeasures for the ensuing mechanical vibrations. A switching frequency of above 100 kHz limits the impact of noise on the music playback bandwidth.

 

Current Injection Active Noise Cancelling

 

 

This technology combines a noise detection device with an error amplifier. It detects residual noise in the power supply and applies an inverse phase current to remove noise components. It removes low frequency noise more effectively than a regulator to ensure a more ideal power supply.

 

 

Tonearm Achieving High Initial-Motion Sensitivity

 

The tonearm, a crucial component for precise reading, tracks the record's rotation. Inherited from Technics, it employs a lightweight, rigid aluminium pipe in the traditional static-balance universal Sshape. Featuring a gimbal suspension and high-precision bearing, it achieves high initial-motion sensitivity through manual assembly by skilled artisans. This meticulous construction ensures accurate tracing of record grooves. Plus, it includes an auxiliary weight, providing flexibility for a variety of pickup cartridges.

Specs

Category	Specification	Details
Turntable Section	Type	Direct Drive
	Turntable Speeds	33-1/3, 45 and 78 rpm (78.26 rpm when set to 78 rpm)
	Starting Torque	0.32 N·m (3.3 kgf·cm)
	Build-up Characteristics	0.7 s from standstill to 33-1/3 rpm
	Braking System	Electronic brake
	Wow and Flutter	0.025% W.R.M.S.
	Turntable Platter	Brass and aluminium die-cast combined, Diameter: 332 mm, Weight: Approx. 3.6 kg (including rubber sheet)
Tonearm Section	Type	Static Balance
	Effective Length	230 mm (9-1/16")
	Overhang	15 mm (19/32")
	Tracking Error Angle	Within 2° 32' (outer groove of 30 cm record), Within 0° 32' (inner groove of 30 cm record)
	Offset Angle	22°
	Arm-height Adjustment Range	0 – 6 mm
	Stylus Pressure Adjustment Range	0 – 4 g (Direct Reading)
	Head Shell Weight	Approx. 7.6 g
	Applicable Cartridge Weight Range (without auxiliary weight)	5.6 – 12.0 g; 14.3 – 20.7 g (including head shell)
	Cartridge Mounting Dimension	12.7 mm (1/2") interval
	Head Shell Terminal Lug	1.2 mmφ 4-pin terminal lug
General	Power Supply	AC 110–240 V, 60 Hz
	Power Consumption	8 W
	Dimensions (W × H × D)	453 × 173 × 372 mm
	Weight	Approx. 13 kg
	Accessories	Turntable, Turntable sheet, Dust cover, EP record adaptor, Balance weight, Auxiliary weight, Head shell, Overhang gauge, Screw set for cartridge, PHONO cable, PHONO earth lead, AC mains lead, Screw set for turntable, Owner's Manual