CHASSIS: Zinc plated 18 gauge cold rolled steel.   Top and bottom are 18 gauge cold rolled steel,   brass plaque logo on top plate.   The chassis is satin Iron Glimmer powder coat.   Black wrinkle powder coat on top and bottom.   Machined aluminum feet with rubber inserts.   Glass port holes are Pyrex glass with machined   aluminum rings. OUTPUT TRANSFORMERS: Custom manufactured for Moth Audio Corporation. User selectable: 2,4,8 & 16 Ohms. TUBES: Output optional. One 5U4G Rectifier Tube "Svetlana" Pair 6F6 Jan Phillips One 6SL7 Sovtek LINE CORD: 16 gauge, 3 conductor IEC cord. VOLUME CONTROL: Alps potentiometer. SELECTOR SWITCH: Three input with coin silver contacts. POWER OUTPUT: 10 watts, 5% THD @ 1kHz. TOTAL HARMONIC DISTORTION: Less than 1% 40 - 20 kHz @ 1 watt. POWER SUPPLY: Is a low-flux leakage design using toroidal power transformers as well as toroidal inductors. FREQUENCY RESPONSE: (-3dB points at 1 watt) 15Hz - 50 kHz. INPUT SENSITIVITY: 300 mV for 1 watt out INPUT IMPEDANCE: 100 K ohms. OUTPUT: 2,4,8 & 16 ohms. User select. CARDAS: Speaker jacks. Hand wired point to point for all signal circuits. OVERALL NEGATIVE FEEDBACK: None HUM & NOISE: .5 mV full bandwidth. TEST MEASUREMENTS: Made with Sino 300B-99 output tubes. POWER REQUIREMENTS: 110 - 125 VAC 60Hz (210 - 250 VAC 50Hz) 150 Watts DIMENSIONS: 4" H x 14 1/4" W x 15 ½" 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.