Project Tube Box DS


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The Project Tube Box DS is a newly developed valve output phono preamplifier, designed to offer a superlative analogue performance, complete with the high fidelity richness and warmth typically loved by vinyl-enthusiast audiophiles. 

The Tube Box DS is fully adjustable to meet the needs of almost every Moving Magnet or Moving Coil phono cartridge on the market. A unique variable impedance dial found on the front place of the unit allows you to match the impedance to your phono cartridge, as well a switchable subsonic filter. The components found within the Tube Box DS have been specifically and carefully selected to an audiophile standard. 

The Tube Box DS provides a solid level of pure dynamic prowess, full transparency, textured and liquid bass, detailed resolution of all audible frequencies, and then tempers these qualities with a blanket of true analogue warmth. 


Tubes  2 x ECC83 (12AX 7A) 
Input Impedance  Stepless 10 Ohm - 1kOhm 
Input Capacitance/Impedance  47, 147, 267, 367pF
Input Gain  Moving Magnet: 40, 50dB
Moving Coil: 60dB 
Noise Floor  82dB (93dB - IEC - A) 
Total Harmonic Distortion  < 0.1% 
De-Emphasis Curves Accuracy 20Hz - 20kHz / Max 0.5dB
Subsonic Filter At 20Hz with 18dB/Octave
Input 1 x Pair of RCA Phono
Output 1 x Pair of RCA Phono
Outboard PSU 18V/1000mA DC
Power Consumption  490mA DC 
Dimensions in mm (Width x Height x Depth)  103 x 72 x 144 (156 incl. sockets) 
Weight  1kg 

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Providing your item is in stock, the order is usually dispatched within 24 hours. Please remember that postage and packing is completely free for orders over £50*. Out of stock items will be dispatched as soon as they become available, out of stock items can take between 4 to 21 days for dispatch.

Deliveries usually take 1-3 working days. The majority of orders are sent via our couriers'; Interlink Express on a next-day-delivery service. Smaller, low value or light-weight items are normally posted using Royal Mail Recorded or Royal Mail Special Delivery.

Once your product has been dispatched, you will be notified via email and sent a unique consignment number, you can use this number at to check the status of your delivery. If you have provided a mobile telephone number, Interlink's Predict service will notify you by text (and email) of a one-hour delivery window. If the window they suggest is inconvenient, you can change the date of delivery to a later one via text or email.

*We ship free of charge to mainland UK addresses, excluding the Scottish Highlands or 'Out-Of-Reach' Scottish locations. Please consult the post-codes below to see if your location falls within this category. If you are still unsure, please contact us on 01432 354921. We also ship to Northern Ireland, Channel Islands, Scilly Isles, Scottish Isles and Scottish Highlands, however delivery to these locations will incur a charge and can only be sent via a 2-day service.

Shipping CostsMainland UK (Next-Day)Offshore/Out-of-reach (2-day)Northern Ireland, Channel Islands, Isle of Man, Scottish Islands, Scilly IslandsRepublic of Ireland (2-day)
Under £50 Orders £7.50 £12.50 £15.00
Over £50 Orders FREE £19.99 £29.99
Surcharge Orders £50.00 £69.99 £79.99
Saturday Delivery £12.99 N/A N/A
Sunday Delivery £12.99 N/A N/A
Saturday by 12 Delivery £35 N/A N/A


Post codes exempt from the free delivery service include:

Scottish Highlands Post Codes: AB30-38, AB41-42, AB44-56, FK17-99, G83, IV1-28, IV30-39, IV52-54, IV63, KW1-14, PA21-33, PA34-40, PH15-26, PH31-41, PH49-50
Islands Post Codes: HS1-9, IV40-51, IV55-56, KA27-28, KW15-17, PA20, PA41-49, PA60-78, PH42-44, ZE1-3
Northern Ireland: All BT postcodes
Channel Islands Post Codes: JE, GY
Scilly Isles Post Codes: TR21, TR22, TR23, TR24, TR25

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