LEBEN CS-660P Valve amplifier 220-230v

220-230v with complete spare sets of tubes. The front volume attenuator has been bypassed, as suggested on Jeff Day's reviews (easily re-soldered). Hardwood sides are unmarked, paint color is in very good condition. Close inspection reveals clearcoat showing minor signs of use - difficult to see or photograph at 1m. A variety of valves can be used by switching two selectors. On the amp is a set of four Russian 6N3C-E / 5881, four Sylvania 6CS7 and one Sylvania 6CJ3. Also included are spares: a set of of Shuguang 350C plus single spare, a set of Tung Sol 6CS7, and a single spare Sylvania 6CJ3. Optionally 350B, KT66, KT88 and 6550A can be used with the valve cage removed. 6L6, EL34 / 6CA7, KT77, 6L6GB can also be used with the cage in place. A LED indicator at the foot of each tube will change its colour and show you which tube is in use. STEREO / MONO SELECTOR SWITCH You can use CS-660P as a monaural power amplifier by changing the selector switch giving an 80W output power (40W x 2 when used as a stereo power amp) FLAT AND WIDE FREQUENCY RESPONSE A wide frequency response from 10Hz to 100KHz (-0dB) caters for digital audio formats such as SACD/HDCD. OTHER FEATURES Twin-triode tube 6CS7 for the first-stage amplification. WBT speaker terminals. Large capacity choke-coil: 400mA Dumper tube 6CJ3 is applied to delay a supply of high voltage (B-Voltage) to output tubes in order to protect output tubes from damage and to increase tube life. All high-end audio grade electrical components (condensors, resistors) Operation indicator lights up when the tubes are warmed up. Wood Side-Panels. TUBES (4) Russian NOS 6N3-CE (5) Shuguang 350C (4) Sylvania 6CS7 (4) Tung Sol 6CS7 (2) Sylvania 6CJ3 OUTPUT POWER - (STEREO/MONO SELECTOR SWITCH) Stereo 40W x 2 (KT-66) at 1KHz. Monaural 80W X 1 (KT-66) at 1KHz. FREQUENCY RESPONSE -10Hz - 180KHz. (-3dB) DISTORTION 0.7%(10W) INPUT SENSITIVITY 1.5V at 40W INPUT IMPEDANCE 100K Ohms. OUTPUT IMPEDANCE 4/6/8/16 Ohms (Selectable) POWER CONSUMPTION 230W Double layer box shipping dimension 31 x 41 x 54 cm 18kg. ADD International Economy Courier (around 5 working days) - Singapore: US$420, UK: US$450, Australia: US$200. Enquire for otheer destinations. Paypal fees, add 4% CS-660P selected by 6-moons as the best amp of 2008. 6moons.com/audioreviews/leben4/amplifier.html 6moons.com/audioreviews/leben6/leben.html