TUBE-03 Mini HiFi Audio Preamplifier 6K4 Vacuum Tube Amplifier Buffer Treble Bass Adjustment RCA Preamp Black Silver EU/UK Plug
Price range: $82.95 through $84.95
- Description
- Size Guide
- Additional information
- Reviews (0)
Description

Overview:
With a wide applied range and practicability, this preamplifier can fit the majority of active speakers and power amplifiers in the market. The replaceable 6K4 vacuum tubes design can optimize the circuit. The audio part and the power part are completely separated, which minimizes the interference to the sound. The timbre is soft and beautiful, sweet and warm, and with powerful bass, penetrating treble. With treble and bass adjustment, single power supply, it’s small and portable, brings you much fun and convenience. Using high-quality aluminum alloy housing with gold-plated connectors, it’s durable and high-performance.
Features:
* With a wide applied range and practicability, it can fit the majority of active speakers and power amplifiers in the market.
* The replaceable 6K4 vacuum tubes design can optimize the circuit.
* The audio part and the power part are completely separated, which minimizes the interference to the sound.
* The timbre is soft and beautiful, sweet and warm, and with powerful bass, penetrating treble.
* With treble and bass adjustment, single power supply, it’s small and portable, brings you much fun and convenience.
* Using high-quality aluminum alloy housing with gold-plated connectors, it’s durable and high-performance.
Specifications:
Model Number: TUBE-03
Tube Model: 6K4
Frequency Response: ±1.5(20Hz-20KHz)
Audio Input Interface: RCA
Audio Output Interface: RCA
RCA Output: 0.9Vrms
SNR: 100dB
THD: 0.03%
Treble Adjustable Range: ±6dB
Bass Adjustable Range: ±10dB
Input Voltage: AC 100-240V, 50/60Hz; DC 12V/1A
Color: Black, Silver (Optional)
Main Item Size: approx. 12 * 9.8 * 3.3cm / 4.72 * 3.85 * 1.29in
Main Item Weight: approx. 318g / 11.21oz
Package Size: approx. 22 * 21 * 7cm / 8.66 * 8.26 * 2.75in
Package Weight: approx. 566g / 19.96oz
Package List:
1 * Preamplifier
1 * Power Adapter
1 * User Manual (English & Chinese)












Many Questions about Dropshipping Services Are As Follows:
1.How many orders can you handle per day?
we are a large company in Shenzhen,China,with a large warehouse that can handle large orders everyday.We send out countless parcels everyday.We can guarantee the order you request.
2.How fast can you process orders?
We will arrange shipment as soon as possible after you pay the order.Priority delivery for dropshipping order
3.Could you ship order without any receipts,invoices and promotional offer inside the package?
Absolutely!No invoices,receipts,promotional offer if you leave notes on the order(if you want,we can provide.)
4.If you need other products?
We can provide most products you need as much as possible1
If you have any other questions,please feel free to contact us.
We are very grateful to cooperate with you.
5.We can support CSV/Excel File Dropshipping.
6.There is no limited stock to fulfill the orders on a daily basis





| size | chest(in.) | waist(in.) | hips(in.) |
|---|---|---|---|
| XS | 34-36 | 27-29 | 34.5-36.5 |
| S | 36-38 | 29-31 | 36.5-38.5 |
| M | 38-40 | 31-33 | 38.5-40.5 |
| L | 40-42 | 33-36 | 40.5-43.5 |
| XL | 42-45 | 36-40 | 43.5-47.5 |
| XXL | 45-48 | 40-44 | 47.5-51.5 |
Additional information
| Weight | 21 lbs |
|---|---|
| Dimensions | 7 in |
| Brand Name | dodocool |
| Maximum Power Per Channel | NO POWER |
| Origin | Mainland China |
| Certification | None |
| Model Number | TUBE-03 |
| Choice | yes |
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