
Universal Audio Universal Audio 4-710D (Vacuum Tube/Solid State Blend 4-Channel Preamp) (Official Japanese Product)
Product Condition
Brand New | Unused, as sold. |
---|---|
Mint | Like new, no flaws. |
Excellent | Barely used, very minor wear. |
Very Good | Light wear, fully functional. |
Good | Visible wear, plays fine. |
Fair | Heavy wear, still playable. |
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Description
Description
It is also a front-end device with AD functionality that supports up to 192KHz, making it ideal for recording any source.
This model is also well-suited for modern digital recording environments, and is a completely new type of product that combines Universal Audio's classic design with modern, innovative technology.
■Product Details◆Preamplifier: Equipped with the 710 Twin-Finity mic/line preamp, which has won four TEC awards
Dual-path 285-volt Class A tube/transimpedance solid-state preamp
Phase-coherent tube and solid-state tone blending for a wide range of sounds from creamy to crunchy
-Equipped with a newly designed 1176-style compression circuit for each preamp channel
Ultra-high impedance (2.2MΩ) discrete JFET DI
Backlit VU meters for output and input drive, gain level, and gain reduction
Balanced send/return insert (half-normal wiring)
・48V phantom power
- 75 Hz low-cut filter
・Phase inversion switch
・Mono balance out
AD converter: 8 channels of high-quality 24-bit AD conversion
-Selectable sampling rate up to 192kHz
ADAT optical output, AES/EBU DB-25 connector
- 8-channel soft limiter (all channels switchable)
- Ultra-low jitter clock subsystem
Clip/hold LED indicator
75Ω BNC Word Clock I/O
◆Others ・Anti-pop protection digital output when powered on
・Universal power supply
-High durability with heavy metal body, 2U rack size
■Product specifications
Mic/Line Input/Output Section:
Microphone input impedance: 2KΩ
Line input impedance: 10KΩ
Hi-Z Impedance: 2.2MΩ
Internal output impedance: 600Ω
Gain range (unit): -Infinity to 70dBu
- Microphone gain range: 10 to 60 dBu
Line Gain Range: 10 to 40 dBu Pad: -15 dB
Low-cut filter: 75Hz/-23dB
・Vacuum tube: 12AX7
- Phantom power: 48V
◆AD Department:
Internal clock: 44.1, 48, 88.2, 96, 176.4, 192 kHz
External Word Clock Input: 44.1, 48, 88.2, 96, 176.4, 192 kHz
AD: 44.1-192kHz 24bit/16bit (dithered)
AES/EBU Output: 8 channels, DB-25 connector, single wire
・ADAT output: 2 systems
・44.1 to 48Khz = Port 1, Port 2 (same signal output)
・88.2~96Khz (S/MUX): Port 1 = channel 1-4, Port 2 = channel 5-8
・176.4~192kHz (S/MUX): Port 1 = channel 1-2, Port 2 = channel 3-4
◆Mechanical & Power:
・Maximum power consumption: 160mA@120VAC 20W
・Operating power supply: 100 to 240VAC
◆Size:
Dimensions: 48.2 x 8.9 x 30.5 (W x H x D) cm
・Weight: 5.2kg
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
For orders exceeding Paypal’s transaction limit of 1 million yen, we will provide more details. For secure transactions, items will only be shipped to the address registered in your Paypal account.
Regarding detailed information and contact information to us, please check FAQ.
Please Note
The following information applies to international orders.
■ Condition
Items with “USED” in the product name are pre-owned and will be delivered as shown in the photos. Signs of wear may be present. All items are function-tested by our staff and rechecked before dispatch.
■ Stock
Many products are stocked across Ikebe stores in Japan. As a result, shipment may take several days. In-store sales may also cause items to sell out. If an item is unavailable, we will contact you promptly; in that case, the order will be canceled and any payment will be refunded.
■ Shipping
We ship via FedEx. Shipments are fully insured against damage or loss during transit.
- Asia: 10–20 days (estimated)
- North America & Oceania: 20–30 days (estimated)
Shipping costs are calculated based on the delivery address and confirmed at the time of dispatch.
■ Taxes & Duties
Import duties, taxes, and fees are the buyer’s responsibility and are not included in the item price or shipping cost. These fees are typically collected by the carrier upon delivery or at pickup. Please check with your country’s customs office for details before purchasing.
■ Other
We cannot declare a reduced item value or mark purchases as gifts.
* Warranty
Our product warranty is valid only within Japan.
* Voltage
All electrical products are intended for the Japanese market and are designed for 100 V operation.

About us
Founded in 1975, Ikebe Music is one of Japan's largest general music stores.Thanks to its long history and proven track record, it has earned the trust of musicians and music fans not only in Japan but around the world.
Ikebe Music ships not only within Japan, but also overseas.As a well-known retailer of used musical instruments in Japan, we have a wide selection of used and vintage instruments.
We have a wide variety of unusual and rare instruments, so please take a look.Please note that we do not list new products, as our contracts with our suppliers prohibit international shipping.
About our stores
In Japan, we have about 30 stores in Tokyo (Ikebukuro, Shibuya, Akihabara) and Osaka.
We have just opened our flagship store, IKESHIBU (IKEBE SHIBUYA), in Shibuya, Tokyo, which brings together numerous musical instrument specialty stores and serves as a hub for entertainment culture.
Please be sure to stop by if you are visiting Japan.


About Shipping





We carefully pack every item with protective materials to ensure it arrives safely.
The photos above show an example of how we securely pack a bass guitar for shipping.