Highend headphone amplifier
Ultimate high-end headphone sound!
Head Box RS is a reference class headphone amplifier with fully balanced tube input stage (double triode 6922) and unbalanced Class A "FET (field effect transistor)" output stage. It has one balanced and one unbalanced input with looped outputs for use with other components.
The volume control consists of a high-precision controller for highest channel equality of the left and right channel.
A special impedance selector switch allows you to set the output impedance in 3 levels (5, 20 and 50 ohms) to allow the best possible match between the amplifier and the headphones. We recommend listening with different switch positions to determine the best sound for your headphones.
An elaborate multistage power supply with four different output voltages guarantees the best possible signal-to-noise ratio and the most accurate reproduction of details, dynamics and sound stage with every dynamic headphone!
- Fully symmetrical double mono construction
- Tube input stage
- Class-A FET output stage
- Selectable output impedance for optimal playback
- Extremely low distortion
- Extremely low noise for maximum dynamics and detail
- 6.3mm jack connection
- Full metal housing in silver or black
- Optional upgradeability: Linear power supply Power Box RS Uni 1 (or 4) for even better sound
|output||350mW at 32 ohms / 60mW at 300 ohms|
|crosstalk||- 58 dB|
|frequency response||30 Hz - 20 kHz / (+ 0.2 dB; -0.05 dB)|
|Total harmonic distortion (IMD||0.17% (XLR in, output impedance 5 ohms, load resistance 32 ohms)|
|Signal to Noise Ratio||99 dBA at full scale|
|Headphone jack||3-pin jack 6.3 mm|
|Level inputs||1 pair of RCA / RCA sockets and 1 pair of XLR sockets|
|High level outputs||1 pair of RCA / RCA sockets and 1 pair of XLR sockets|
|mains connection||Plug-in power supply, 20 V / 3 A DC; 220-240 V, 50 Hz|
|current consumption||1.3 A DC|
|Dimensions W x H x D||206 x 72 x 200 (209) mm|
|mass||2150 g without power supply|
We are still delivering orders as normal. When your order ships you will still receive tracking details. For UK shipments, Our couriers have procedures in place to ensure deliveries are arriving as quickly & safely as possible. Drivers can now sign for your parcels, however will notify you that they have arrived, in order to ensure you receive your parcel. Signing for the parcel has now been stopped temporally for hygiene reasons. Drivers are also working with customer instructions, so you can ask them to leave the parcel in a safe place (doorstep etc...) if you prefer not to come into direct contact with the driver.
There has been no changes to deliveries with Brexit. All deliveries to the UK mainland, Northern Ireland and the Republic of Ireland are operating as normal. No VAT or charges are applicable.
Express Delivery is FREE on all orders over £50. Express Delivery offers delivery in 24-72 hours from time of purchase. We use premium couriers for this service, mainly DPD & Royal Mail. DPD will offer you a one hour window for delivery to make sure someone is at home, or you can reschedule the delivery if no one is around.
Here at Kronos AV, we have vast experience with e-commerce sales. Making sure that your parcel arrives undamaged is a huge priority for us. That’s why at Kronos AV, we only use premium couriers for all our orders. All our parcels are shipped with DPD or Royal Mail and are always sent Signed For to make sure it gets to the right person.
If for any reason your parcel does arrived damaged, please get in touch, and we will be happy to get everything resolved for you. We are always on hand to help!
We can offer very generous trade in offers across the majority of our product range.
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If you have any question, please feel free to call us on 03435236169 or email email@example.com