walshy Posted October 3, 2021 Share Posted October 3, 2021 (edited) Handbox R400 in great condition. Amazing little hand built amp from Poland. The price includes next day U.K. postage. Selling as I just prefer my Ashdown, is just perfect! Handbox info- The Handbox R-400: incredible tone in a hand-made, no-compromise head.''' Simple to use, compact and lightweight, we created and refined the R-400 in collaboration with working musicians, using a wide range of active & passive basses. PREAMP: The preamp utilises three 12AX7 (ECC83) tubes. Unlike the starved-plate designs of most common hybrid heads, it's pure tube with no silicon diodes, getting you even closer to the sound of a full-tube head. POWER SECTION: We use a classic A/B power supply based on an efficient toroidal transformer and large capacity electrolytic capacitors, delivering a powerful 400W into a 4ohm load. An optical limiter ensures you're always running within safe limits, and the R-400's on-board fan is thermally managed and controlled to ensure the amp runs smoothly at high volumes. Edited October 3, 2021 by walshy 2 Link to comment Share on other sites More sharing options...
Berserker Posted October 3, 2021 Share Posted October 3, 2021 PM sent Link to comment Share on other sites More sharing options...
pbasspecial Posted October 3, 2021 Share Posted October 3, 2021 That was quick! Link to comment Share on other sites More sharing options...
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