GAT S2 "2 x 6922 vacuum tube line-stage 100-step level and balance Gain: 25 db Maximum output: 20 vrms Frequency response: 2 Hz to more than 100Khz"	ET7 S2 "Gain: 25 db Maximum output: 20 vrms Output impedance: 100 ohms Frequency response: 2 Hz to more than 100Khz Tube complement: 1 x 6922"
ET6 "1 x 6922 tube optional phono stage 25 db gain 20 Vrms Maximum output 2 Hz to more than 100Khz frequency response"	ET6 SE "boasts CJD Teflon capacitors and metal foil resistors in critical circuit applications 1 x 6922 tube optional phono stage 25 db gain 20 Vrms Maximum output 2 Hz to more than 100Khz frequency response"
ET5 "1 x 6922 vacuum tube line-stage Microprocessor-controlled relays level control Gain: 25 db Maximum output: 20 vrms Frequency response: 2 Hz to more than 100Khz"	ET3 SE "Boasts CJD Teflon capacitors, upgraded metal foil resistors Upgraded machined input/output connectors Gain: 54 db Maximum output: 20 Vrms Frequency response: 2 Hz to more than 100Khz"
ET3 "1 x 6922 vacuum tube line-stage Optional phono stage Gain: 25 db Maximum output: 20 Vrms Frequency response: 2 Hz to more than 100Khz"