Douk Audio T14-EQ Phono Preamp Uputstvo za upotrebu

Uvod

The Douk Audio T14-EQ is a compact phono preamplifier designed to enhance the audio signal from your turntable, making it compatible with a wider range of audio systems. It features selectable MM (Moving Magnet) and MC (Moving Coil) modes, RIAA equalization, a built-in headphone amplifier, and tone controls for personalized sound adjustment. This manual provides detailed instructions for setup, operation, and troubleshooting to ensure optimal performance.

Šta je u kutiji

T14-EQ Preamp ×1
USB Cable (Type-C) ×1

Douk Audio T14-EQ Phono Preamp and USB-C cable in packaging — Image: The T14-EQ Phono Preamp and its included USB-C power cable, illustrating the contents of the package.

Karakteristike proizvoda

MM & MC Compatibility: The T14-EQ supports both Moving Magnet (MM) and Moving Coil (MC) cartridges, allowing for versatile use with various turntables. A switch on the bottom of the unit allows selection between these modes. The integrated RIAA circuitry ensures accurate sound reproduction.
Dual Outputs for Speakers & Headphones: Povežite preamp vašem amplifier or powered speakers using the stereo RCA outputs. For private listening, a 3.5mm headphone jack is included, capable of driving headphones with impedances from 16Ω to 200Ω.
Customizable Tone Control: Independent bass and treble knobs provide a ±5dB adjustment range, enabling users to fine-tune the audio output to their preference or to compensate for room acoustics and speaker characteristics.
Ultra-niske performanse buke: Designed with high-quality integrated circuits and a built-in power isolation module, the T14-EQ minimizes background hum and hiss, delivering a clean and detailed audio signal.
Kompaktan i praktičan dizajn: Housed in a durable all-aluminum shell for interference shielding, the unit features gold-plated PCB and RCA terminals for optimal signal integrity. It is powered by a standard 5V USB source, offering flexible power options.

Uputstva za postavljanje

MM/MC Mode Selection: Before connecting, locate the MM/MC switch on the bottom of the T14-EQ unit. Set it to match your turntable's cartridge type (Moving Magnet or Moving Coil). Incorrect selection may result in low volume or distorted sound.
Image: The bottom of the T14-EQ unit, highlighting the MM/MC selector switch. Ensure this switch matches your turntable's cartridge type.
Connect Turntable to PHONO IN: Connect your turntable's RCA output cables to the PHONO IN (red for right, white for left) ports on the rear of the T14-EQ. Ensure a secure connection.
Povežite žicu za uzemljenje: Attach your turntable's ground wire to the ground terminal on the T14-EQ. This helps eliminate hum and noise.
Image: Detail of the PHONO IN RCA jacks and the ground terminal on the rear panel of the T14-EQ, showing where to connect the turntable's audio and ground wires.
Povežite se na Amplifier/Speakers (LINE OUT): Povežite LINE OUT (red for right, white for left) RCA ports of the T14-EQ to an available line-level input on your ampLifier ili aktivni zvučnici.
Image: Close-up of the LINE OUT RCA ports on the T14-EQ, indicating where to connect to an ampLifier ili aktivni zvučnici.
Priključite napajanje: Use the provided USB Type-C cable to connect the DC 5V IN port on the T14-EQ to a 5V USB power source (e.g., a wall charger, computer USB port, or power bank). The power indicator light on the front panel will illuminate.
Image: Detail of the DC 5V IN Type-C power input port on the rear of the T14-EQ.
Povežite slušalice (opciono): If using headphones, plug them into the 3.5mm headphone jack on the front panel. Note that the headphone output has priority; when headphones are connected, the RCA line output will be muted.
Image: The 3.5mm headphone output jack and the power indicator light on the front panel of the T14-EQ.

Rear panel connections of Douk Audio T14-EQ Phono Preamp — Slika: Detaljna view of the rear panel of the T14-EQ, showing the PHONO IN, ground terminal, DC 5V IN (Type-C), and LINE OUT connections.

Uputstvo za upotrebu

Uključivanje/isključivanje i kontrola jačine zvuka: The large knob on the right of the front panel serves as both the power switch and volume control. Rotate it clockwise to turn the unit on and increase volume. Rotate counter-clockwise to decrease volume and turn the unit off.
Image: The volume knob on the front panel of the T14-EQ, which also functions as the power switch.
Adjusting Tone Controls: Koristite BASS i TREBLE knobs to adjust the low and high frequencies of the audio output. Turn clockwise to boost, counter-clockwise to cut. Adjust these to suit your listening preference or room acoustics.
Image: The Bass and Treble adjustment knobs on the front panel of the T14-EQ.
Reprodukcija ploča: Place a record on your turntable, ensure the T14-EQ is powered on, and the volume is set to a low level. Start your turntable and carefully lower the tonearm onto the record. Adjust the volume and tone controls as desired.

Video: This video demonstrates the connection process of the Douk Audio T14-EQ Phono Preamp to a turntable and an amplifier, followed by playing a vinyl record. It shows the physical connections for power, ground, phono input, and line output, as well as the operation of the volume and tone controls.

Održavanje

Keep the unit clean by wiping with a soft, dry cloth.
Avoid exposing the unit to direct sunlight, high temperatures, or humidity.
Ne pokušavajte otvoriti casing or modify the unit, as this will void the warranty and could cause damage.
Osigurajte odgovarajuću ventilaciju oko uređaja tokom rada.

Rješavanje problema

Problem	Mogući uzrok	Rješenje
Nema izlaza zvuka	Unit not powered on; incorrect connections; volume too low; MM/MC switch incorrect; headphones connected.	Ensure power is connected and unit is on. Check all RCA and ground connections. Increase volume. Verify MM/MC switch setting. Disconnect headphones if using RCA output.
Zujanje ili zujanje	Ground wire not connected or loose; ground loop; interference from other electronics.	Ensure turntable ground wire is securely connected to the T14-EQ. Try connecting the ground wire to your amplifier's ground terminal if available. Move the unit away from other electronic devices.
Izobličen zvuk	MM/MC switch incorrect; input signal too strong; faulty cables.	Verify MM/MC switch setting matches your cartridge. Reduce the output level from the turntable if possible (rare). Try different RCA cables.
Headphone output not working	Slušalice nisu u potpunosti priključene; jačina zvuka je preniska.	Ensure headphones are fully inserted into the 3.5mm jack. Increase the volume.

Specifikacije

Broj modela: XX-T14-EQ-US
Težina artikla: 8 unci (otprilike 227 g)
Dimenzije proizvoda: 3.31 x 3.31 x 1.1 inča (približno 84 x 84 x 28 mm)
Kompatibilni uređaji: Active Speaker, Amplifier, Headphone, MM MC Turntable, Record Player
Tip konektora: Phono, RCA
Vrsta materijala: Metal (All-aluminum shell)
Output Wattage: 0.25 Watts (for headphone ampdizalica)
Izvor napajanja: Električni sa kablom (USB 5V)
Boja: Crna

Douk Audio T14-EQ Phono Preamp with dimensions labeled — Image: The Douk Audio T14-EQ Phono Preamp with its compact dimensions (84mm x 84mm x 28mm) clearly indicated.

Sigurnosne informacije

Ne izlažite jedinicu vodi ili vlazi.
Koristite samo navedeno USB napajanje od 5V.
Izbjegavajte postavljanje teških predmeta na jedinicu.
Čuvati van domašaja djece.
Isključite napajanje tokom grmljavine ili kada se uređaj ne koristi duži period.

Garancija i podrška

For warranty information or technical support, please refer to the documentation included with your purchase or contact Douk Audio customer service directly through their official website or the platform where the product was purchased. Please have your model number (T14-EQ) and purchase details ready when contacting support.

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Douk Audio T14-EQ