1. Киришүү
Thank you for choosing the Gustard Audalytic HP70. This device is a high-performance, fully balanced discrete headphone amplifier and pure preamplifier designed to deliver exceptional audio fidelity. It features a Class A ampөмүр берүү сtage, advanced volume control, and versatile input/output options for a superior listening experience. This manual provides detailed instructions for setup, operation, and maintenance to ensure optimal performance and longevity of your HP70.

Сүрөт 1: Алдыңкы view of the Gustard Audalytic HP70 in silver.
2. Продукт бүтүп калдыview
2.1 алдыңкы панели
The front panel of the HP70 features essential controls and headphone outputs for easy access and operation.

2-сүрөт: Детальдуу view of the HP70 front panel.
- Кубат баскычы: Агрегатты күйгүзүү же өчүрүү үчүн колдонулат.
- Үн баскычы: Controls the output volume. This is an R-2R relay volume control for precise, lossless adjustment.
- 6.35 мм бир учтуу кулакчындын чыгышы: Standard headphone jack for single-ended headphones.
- 4.4mm Balanced (TRS) Headphone Output: Balanced headphone jack for compatible headphones.
2.2 Арткы панель
The rear panel provides all input and output connections for integrating the HP70 into your audio system.
Figure 3: Rear panel connections of the HP70.
- AC Input 115V/230V: Түзмөк үчүн кубат киргизүү.
- Страховка: User-replaceable fuse for power protection.
- DC Power Input (12V-18V): Alternative DC power input.
- LAN киргизүү: Тармак байланышы үчүн.
- USB киргизүү: For connecting to a computer or other digital source.
- Оптикалык киргизүү: Санариптик оптикалык аудио киргизүү.
- Coaxial Input 1 & 2: Digital coaxial audio inputs.
- RCA киргизүүлөрү (сол/оң): Analog RCA stereo inputs.
- XLR Inputs (L/R): Balanced analog XLR stereo inputs.
- Balanced Output XLR (L/R): Balanced analog XLR stereo outputs for preampкөтөрүүчү функция.
- Single-Ended Output RCA (L/R): Analog RCA stereo outputs for preampкөтөрүүчү функция.
- Bluetooth антеннасы: For wireless audio reception.
- TF карта уячасы: For local media playback (if supported by firmware).
2.3 Ички компоненттер
The HP70 features a meticulously designed internal layout, showcasing its fully balanced discrete Class A amplifier architecture and multi-stage томtage жөнгө салуу.
4-сүрөт: Ички view highlighting the discrete Class A ampөмүр берүүчү сtage with power transistors.
5-сүрөт: Ички view detailing the input stage and built-in low-noise power supply.
3. Орнотуу
3.1 Пакеттен чыгаруу
Carefully remove the HP70 and its accessories from the packaging. Ensure all items are present:
- Gustard Audalytic HP70 unit (x1)
- Алыстан башкаруу (x1)
- Колдонуучунун колдонмосу (x1)
- Электр кабели
- Bluetooth антеннасы
3.2 Кубат туташтыруу
- Ensure the HP70 is placed on a stable, level surface with adequate ventilation.
- Connect the provided power cable to the AC input on the rear panel of the HP70.
- Plug the other end of the power cable into a suitable AC power outlet (115V/230V, 50/60Hz).
- Alternatively, a 12V-18V DC power supply can be used with the DC power input.
3.3 Аудио байланыштар
Connect your audio sources and output devices to the HP70 using appropriate cables.
- Киргизүү булактары: Connect your digital sources (e.g., CD player, streamer, computer) to the USB, Optical, or Coaxial inputs. Connect analog sources (e.g., turntable preamplifier, DAC) to the RCA or XLR analog inputs.
- Output Devices (Preamplifier Mode): Электр тармагына туташуу үчүн amplifier or active speakers, use the Balanced XLR or Single-Ended RCA outputs on the rear panel.
- Наушник: Connect your headphones to either the 6.35mm single-ended or 4.4mm balanced (TRS) output on the front panel.
- Bluetooth антеннасы: Screw the provided Bluetooth antenna onto its connector on the rear panel for wireless connectivity.
4. Иштөө нускамалары
4.1 Күйгүзүү/өчүрүү
Press the power button on the front panel to turn the HP70 on or off. The unit will typically display its status or volume level when powered on.
4.2 Үндү башкаруу
Rotate the large knob on the front panel clockwise to increase volume and counter-clockwise to decrease it. The HP70 uses an R-2R relay volume control for precise, lossless adjustment and excellent channel matching.
4.3 Киргизүүнү тандоо
Use the remote control or a dedicated button (if available on the front panel, refer to specific model display) to cycle through the available input sources (USB, Optical, Coaxial 1, Coaxial 2, RCA, XLR, Bluetooth, TF Card).
4.4 Алдын алаampкөтөргүч режими
The HP70 can function as a dedicated pure preamplifier. In this mode, the post-ampөмүр берүү сtage (headphone amplifier) can be disabled. This allows for seamless switching between headphone and speaker listening without needing to disconnect headphones. Refer to the on-screen menu or remote control for options to enable/disable the headphone amplifier section when using the XLR or RCA line outputs.
4.5 Наушник Ampкөтөргүч режими
When headphones are connected to the front panel outputs, the HP70 operates as a powerful headphone amplifier. Ensure the volume is set to a low level before playing audio to protect your hearing.
4.6 Алыстан башкаруу
The included remote control provides convenient access to power, volume, input selection, and other settings. Familiarize yourself with the remote's buttons for full control over the HP70's functions.
5. Негизги өзгөчөлүктөрү
- Fully Balanced Discrete Class A Ampөмүр берүүчү: Utilizes 4 pairs of power transistors for ample driving power and superior control. Discrete components allow for precise fine-tuning and enhanced development potential, offering a wider range of sonic characteristics. The post-ampөмүр берүү сtage can be disabled for pure preampкөтөргүчтүн иштеши.
- Preamplifier with Socketed Op-Amps: чейинкиamp section uses two socketed LME49720 dual op-ampс. чейинкиamp output can be disabled for seamless switching between headphone and speaker outputs.
- Fully Balanced Input Stage: Features a single-ended to balanced conversion circuit, allowing RCA inputs to benefit from full balanced drive performance.
- Multi-stage Voltage Регламент: Designed with multiple stages томtage regulation to achieve lower ripple noise and reduced interference, resulting in cleaner audio reproduction.
- R-2R Relay Volume Control: Provides lossless precision adjustment with guaranteed channel matching across all 4 audio paths.
6. Техникалык шарттар
6.1 Жалпы
- Бренд: Fanmusic (Gustard Audalytic)
- Модел: HP70
- Түсү: Silver
- Электр камсыздоо: AC 115V/230V, 50/60Hz or DC 12V-18V
- Энергияны керектөө: <15 Вт
- Өлчөмдөрү (WxDxH): 220 x 170 x 50 mm (excluding protrusions)
- Таза Салмагы: 1.6 кг
- Байланыш технологиясы: RCA, XLR, USB, Optical, Coaxial, Bluetooth, LAN
- Контроллердин түрү: Алыстан башкаруу
- Шайкеш түзмөктөр: Speaker, Tablet, Personal Computer, Smartphone, Ampөмүр, Кулакчын
- Аудио чыгаруу режими: Stereo, Surround (5.1 channel configuration)
Figure 6: Dimensions of the Gustard Audalytic HP70.
6.2 Алдын алаamplifier Analog Output (Rear XLR)
- Жыштык жообу: 20Гц-40кГц (±0.1дБ)
- Ызы-чуунун катышы: 122дБ
- Channel Crossstalk: <-120dB @ 1kHz
- THD+N: <0.0004%
- IMD: <0.0004%
6.3 Наушник Amplifier Output (6.35mm Single-Ended / 4.4mm Balanced)
- Output Impedance (6.35mm): 0.1Ω
- Output Impedance (4.4mm Balanced): 0.2Ω
- Жыштык жообу: 20Гц-40кГц (±0.1дБ)
- Ызы-чуунун катышы: >120дБ
- Channel Crossstalk: -118дБ @ 1кГц
- THD+N: <0.0005% (1kHz, 1000mW into 32Ω)
- IMD: <0.0005% (1000mW into 32Ω)
- Maximum Output Power (Clipping): ≈2000mW (32Ω, balanced)
6.4 Санариптик киргизүү
- RCA Inputs (2 sets): Input Sensitivity: Typical 2Vrms, Maximum 3Vrms; Input Impedance: 20kΩ
- XLR Balanced Input (1 set): Input Sensitivity: Typical +15dBu (5V), Maximum +18dBu (6V); Input Impedance: 10kΩ
7. Техникалык тейлөө
To ensure the longevity and optimal performance of your Gustard Audalytic HP70, follow these maintenance guidelines:
- Тазалоо: Use a soft, dry cloth to wipe the exterior of the unit. Avoid using liquid cleaners, aerosols, or solvents, as these may damage the finish or internal components.
- Вентиляция: Ensure the unit has adequate ventilation. Do not block the ventilation openings. Avoid placing the unit in enclosed spaces or on soft surfaces that may impede airflow.
- Курчап турган чөйрө: Operate the HP70 in a clean, dry environment, away from direct sunlight, heat sources, excessive dust, and moisture.
- Колдонулбаганда өчүрүү: If the unit will not be used for an extended period, it is recommended to power it off and disconnect it from the power outlet.
8. Кыйынчылыктарды
If you encounter issues with your HP70, refer to the following common troubleshooting steps:
- Кубат жок:
- Электр кабели бирдикке да, розеткага да бекем туташтырылганын текшериңиз.
- Электр розеткасынын иштешин текшериңиз.
- Арткы панелдеги сактагычты текшериңиз. Эгер күйүп кетсе, аны ошол эле түрдөгү жана рейтингдеги сактагыч менен алмаштырыңыз.
- Үн жок:
- Туура киргизүү булагы тандалганын текшериңиз.
- Check all audio cable connections (inputs and outputs) for secure fit.
- Increase the volume level on the HP70 and your source device.
- If using preamplifier outputs, ensure your power amplifier or active speakers are powered on and functioning correctly.
- If using headphones, ensure they are properly plugged into the correct jack and are functional.
- Бурмаланган үн:
- Check if the input signal level is too high, causing clipping. Reduce the output volume from your source device.
- Бардык кабелдердин жакшы абалда экенин жана туура туташтырылганын текшериңиз.
- Test with a different audio source or headphones/speakers to isolate the issue.
- Алыстан башкаруу иштебейт:
- Пульттун батареяларын текшерип, алмаштырыңыз.
- Ensure there are no obstructions between the remote and the HP70's IR receiver.
Бул кадамдарды жасагандан кийин көйгөй чечилбесе, кардарларды колдоо кызматына кайрылыңыз.
9. Кепилдик жана колдоо
9.1 Кепилдик маалыматы
The Gustard Audalytic HP70 comes with a 1 жылдык кепилдик from the date of purchase, covering manufacturing defects. This warranty does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear. Please retain your proof of purchase for warranty claims.
9.2 Кардарларды колдоо
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact the seller or authorized distributor. For products purchased via Amazon, the seller is SHENZHENAUDIO. Please refer to your purchase documentation for specific contact details.