CHASSIS: Zinc plated 16 gauge cold rolled steel.   Top,bottom and cover are 16 gauge cold rolled steel,   brass plaque logo on front cover and a Positive   Ground symbol on the top cover.   The chassis is satin Iron Glimmer powder coat.   Black wrinkle powder coat on top, bottom and cover.   Rubber feet. OUTPUT CIRCUIT:Negative cathode power supply,   grounded autoformer plate circuit.(pat. pend.)   Fixed bias with reactance drive. OUTPUT AUTOFORMER: Custom manufactured for Moth Audio Corporation. TUBES: Two 300B (User supplied) Two 6AN4 driver (Included) LINE CORD: 16 gauge, 3 conductor IEC cord. VOLUME CONTROL: Alps potentiometer. POWER OUTPUT: 10 watts per channel both channels   driven. TOTAL HARMONIC DISTORTION: Less than 1% 40 - 20 kHz @ 1 watt. FREQUENCY RESPONSE: (-3dB points at 1 watt) 15Hz - 40 kHz. INPUT SENSITIVITY: 300 mV for 1 watt out INPUT IMPEDANCE: 100 K ohms. OUTPUT: 6 ohms. CARDAS: Speaker jacks. Hand wired point to point for all signal circuits. OVERALL NEGATIVE FEEDBACK: None HUM & NOISE: 1 mV peak full bandwidth. TEST MEASUREMENTS: Made with Sino 300B-99 output tubes. POWER REQUIREMENTS: (100, 120, 230, VAC 50/60Hz) 150 Watts DIMENSIONS: 9 1/2" H x 8 1/4" W x 17" L WEIGHT: 40 Lbs. RECOMMENDED SPEAKER SENSITIVITY : 92 dB or better. WARRANTY: All components carry a 3 year parts and labor warranty. Tubes carry the manufacturers' warranties. Shipping and handling is not included.