The Dayton Audio HTA200 is a 200W Integrated Stereo Hybrid Tube Amplifier designed to deliver the warm, natural sound quality of vacuum tube amplification without the typical size, power consumption, and price of traditional tube amplifiers. It achieves this by combining vacuum tubes in the preamp input section with a modern, power-efficient solid-state Class A/B output power amplifier. The amplifier also includes multiple analog and digital inputs for connecting modern devices like computers, allowing users to enjoy classic tube sound with contemporary sources.
Function Description:
The HTA200 serves as a central hub for audio systems, integrating pre-amplification and power amplification into a single unit. It supports a wide range of audio sources, from traditional turntables to digital streaming via Bluetooth and USB. The hybrid design aims to offer the best of both worlds: the sonic characteristics of tubes and the efficiency and power of solid-state amplification.
Important Technical Specifications:
- Maximum Power Output (Peak): 140W x 2 @ 4 Ohm
- RMS Power Output: 70W x 2 @ 4 Ohm
- Total Gain: 29 dB
- THD+N: <1.5% @ Maximum Rated Output
- Frequency Response: 15 Hz – 20,000 Hz (1 dB)
- Input Sensitivity: 630 mV
- Channel Separation: 53 dB
- Minimum Speaker Impedance: 4 Ohm
- Tone Controls: Bass/Treble, 6 dB/oct @ 200 Hz and 4,000 Hz
- Signal To Noise Ratio: 80 dB
- Digital Inputs: SPDIF LPCM (up to 48 kHz 16 Bit)
- PC-USB: up to 192 kHz 32 Bit
- Bluetooth: 5.0
- Power Requirement (USA): 110V, 60 Hz
- Power Requirement (EC): 220V, 50 Hz
- Standby Power Consumption: 45W
- Preamplifier Tubes: 13P1P x 2, 6H2 x 2, 6A2 x 2
- Stabilivolt Tube: WY3P
- Amplification: Class A/B
- Dimensions (W, H, D): 13-1/8 x 6-1/2 x 12-1/2 in. (333 x 165 x 318 mm)
- Weight: 16.4 lbs. / 7.44 kg
Usage Features:
- Front Panel Controls:
- Power Switch/Indicator: Turns the device on/off, with an amber ring indicating power.
- Meters: Displays audio output levels for left and right channels.
- Display: Shows the currently selected input source.
- Bass Control: Adjusts bass output volume.
- Treble Control: Adjusts treble output volume.
- Headphone Output: 1/4" TRS jack for private listening, which mutes speaker and subwoofer outputs when in use.
- Volume Control: Motorized knob for adjusting overall volume.
- Source Input Selector: Buttons for selecting PHONO, AUX, BT (Bluetooth), OPT (Optical), COAX (Coaxial), and PC-USB inputs. PC-USB is only selectable when a device is connected and powered on.
- Rear Panel Connections:
- Digital (Optical) Input: For connecting digital audio sources.
- Subwoofer Output (SW OUT): Single RCA output for connecting a powered subwoofer or separate subwoofer amplifier. Provides a full-range mono signal, with volume controlled by the front panel knob.
- Bluetooth Antenna: Connection for the supplied Bluetooth antenna to optimize signal strength.
- Ground Terminal: For connecting the ground wire of a turntable.
- AC Voltage Selector Switch: Allows selection between 110V (60Hz) and 220V (50Hz) operation. Requires internal fuse change for 220V.
- PC-USB Input: For direct connection to a computer, functioning as a high-quality USB-DAC.
- Digital (Coaxial) Input: For connecting digital audio sources.
- Line Level (AUX) Input: Standard RCA input for line-level devices.
- Phono Input: Dedicated RCA input with a built-in phono preamp for turntables.
- Speaker Outputs: Binding posts for connecting passive speakers with 2-conductor wire. Not bridgeable.
- AC Power Input: For connecting the main power cable.
- Remote Control:
- Mute: Mutes/unmutes audio output.
- Volume +/-: Adjusts volume, synchronizing with the motorized front panel knob.
- Track Transport Controls: Play/pause, skip forward, and skip backward for Bluetooth input.
- Input Selection: Direct buttons for selecting any of the available inputs.
- Connectivity:
- Phono Preamp: Built-in for direct turntable connection.
- USB-DAC: High-quality USB-DAC for computer connection.
- Bluetooth: Version 5.0 for wireless audio streaming from smart devices.
- Speaker Connections: Supports banana plugs or bare wire.
- Subwoofer Output: Dedicated output for easy subwoofer integration.
- Headphone Output: Front-panel 1/4" TRS jack.
- Aesthetic Features: Warm glow from preamp tubes and front panel controls.
Maintenance Features:
- Safety Information: Important instructions regarding electrical shock risk (do not open cover, refer servicing to qualified personnel), fire/moisture exposure, and proper ventilation (minimum 2 inches clearance).
- Troubleshooting Guide: Comprehensive table addressing common issues such as:
- Unit fails to turn on (power cable, voltage selection, protection circuit).
- Unit turns off suddenly (shorted speaker wire, speaker malfunction).
- No sound (muted output, incorrect input, headphones connected, incorrect cable connections).
- Low volume (playback device volume, reversed speaker polarity).
- Sound output lacks bass (bass knob setting).
- "Humming sound" (no ground connection to turntable).
- Turntable distorted (line out vs. phono input, improper grounding).
- Warranty: 5-year limited warranty covering defects in material and workmanship from the date of purchase from an authorized Dayton Audio dealer. Responsibility is limited to replacement or repair by an authorized technician. Users are advised to register their device on daytonaudio.com.
- Voltage Selector: User-selectable voltage (110V/220V) on the rear panel, requiring an internal fuse change for 220V operation.
- Speaker Wire Connections: Instructions for proper bare wire and banana plug connections to ensure correct polarity and prevent damage.
The HTA200 is designed for ease of use and versatility, allowing users to enjoy a rich audio experience with a blend of classic tube warmth and modern convenience.
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