Project Tube Box II MM/ MC valve phono stage

Project Tube Box II MM/ MC valve phono stage

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The Project Tube Box II is a dual triode valve MM/ MC phono stage of great quality and outstanding sound quality. Constructed with a dual mono circuit design for best channel separation, having switchable gains to suit both moving magnet and moving coil cartridges and a slectable subsonic filter to reduce the effects of warped records on your loudspeaker cones. Full RIAA equalisation is accurately applied to the signal, whilst gold plated RCA phono sockets ensure a trouble free connection. An external power supply minimises noise and hum pickup. Metal casework shields the delicate phono signals to ensure that it delivers crystal clear sound quality to your amplifier.
Specification Tubes    2 x ECC83 (12AX 7A)
Input impedance, MM    47kohms/120pF
Input impedances, MC    100ohms/120pF
Gain, MM    40dB
Output voltage typically    300mV/1kHz 3mV/1kHz (MM input)
Gain, MC    60dB
Output voltage typically    300mV/1kHz 0,3mV/1kHz (MC input)
Noise floor, MM    84dB (94dB - A weighted)
Noise floor, MC    67dB (75dB - A weighted)
THD, MM    0,05%
THD, MC    0,08%
RIAA-equalisation curve accuracy    20Hz - 20kHz / max. 0,5dB
Subsonic filter    at 18Hz with 18dB/octave
Outboard power supply    16V/1.000mA AC, suitable for your country's mains supply
Power consumption    16V/410mA AC
Dimensions W x H x D (D with sockets)    103 x 76 x 125 (137)mm
Weight    810g without power supply

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


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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