The separo KT88 Amplifier is Two specially winded output transformers and One power transformer,** pure hand made, Point to point soldering,Adopt the top-grade aluminium alloy panel with corrosion resistant piate machine case,Use 4×KT88 electron valve for power output. 4×6N8P(6SN7)for preamp stage。 The P88I has a specially wired transformer to match the stale bias with push pull and ultra linear multi-amplification。 The P88I has been adopted with high quality accessory with military grading in order to achieve the perfect sonic performance。No matter the outward appearance and the sonic performance, Separo P88I surpass our competitor with best buy value。 The tonal balance, timbre fidelity, de This amplifier adopt a commonly used valve and easy to exchange and replace. Maintenance is easy and economical,nsity and delicacy sounds like real performance. Truly the best bu。