

Turntable Details
Drive
Direct
Motor
DC
Wow & Flutter %
Rumble [dB]
Speed
33, 45, 78
Dimensions [mm]
Platter Material
Platter Diameter [mm]
332
Total Weight [kg]
Tonearm
Year Built
11.00
Platter Weight [kg]
Plinth Material
Price
Additional information
The American Audio HTD-4.5 turntable is a professional-grade direct-drive turntable designed for DJs and vinyl enthusiasts. It features a robust build and a variety of functionalities that cater to both live performances and home use. Here’s a detailed overview of its specifications and features.
Drive System
Motor: The HTD-4.5 is powered by a high-torque direct drive motor with a torque rating of 4.5 kg/cm, significantly higher than the industry standard of 1.7 kg/cm. This provides rapid start-up times and consistent speed stability.
Platter
Material: The platter is constructed from durable materials to minimize vibrations, ensuring stable playback.
Diameter: The platter has a diameter of 332 mm, suitable for holding vinyl records securely.
Speed and Control
Speeds: The turntable supports three speeds: 33 RPM, 45 RPM, and 78 RPM.
Pitch Control: It features an adjustable pitch control with ranges of ±10%, ±20%, and ±50%, allowing for fine-tuning of playback speed.
Quartz Lock: The turntable includes a quartz lock function that maintains pitch stability at 0% adjustment, ensuring accurate playback.
Tonearm
Type: The HTD-4.5 features a metal S-shaped tonearm, which enhances tracking accuracy.
Adjustments:Height Adjustment: Allows users to set the tonearm height for optimal alignment with the record surface.
Anti-Skate Control: Helps prevent skipping by applying inward force to the tonearm.
Counterweight: Adjustable counterweight ensures proper stylus pressure for different cartridges.
Audio Performance
Wow and Flutter: The turntable boasts low wow and flutter ratings, ensuring minimal speed variation during playback.
Signal-to-Noise Ratio: The signal-to-noise ratio exceeds typical standards, contributing to clear audio output.
Dimensions and Weight
Dimensions: The turntable measures approximately 13.75" x 17.75" x 3.5" (about 349 x 451 x 89 mm).
Weight: It weighs around 29 lbs (13.2 kg), providing stability during operation.
Additional Features
Dual Start/Stop Buttons: Conveniently placed for easy access, especially useful in battle-style setups.
Stylus Target Light: Illuminates the record surface for better visibility in low-light conditions.
Adjustable Starting/Braking Speeds: Users can customize how quickly the platter starts and stops, enhancing performance flexibility.
Reverse Play Functionality: Allows records to be played in reverse for creative mixing techniques.
Connectivity
The HTD-4.5 includes standard RCA outputs for connecting to mixers or amplifiers, along with a ground terminal to prevent hum and noise.