For Sale SERVICE & OPERATING MANUAL for the BOGEN Challenger Model CHB 100 Amplifier. Schematic diagram on 11 X 17 center page. Five other regular sized pages with information for tube replacement, balancing output tubes, fuse, microphone and phono input connections, auxiliary power, bass and treble...Power ConsumptionHum and NoiseGain Sensitivity Input Impedance Outputs 4, 8, 16 ohm speaker, 25-volt & 75 volt line Voltage chartQuick disconnect sockets & connectionsRemote controllerRear view diagram of amp with labels. Tone Control Action TUBES: Each tube number is given Dimensions Weight Complete reprint in very good condition. Airmail Shipping No import duties will be charged for this shipment. Combined shipping for multiple purchases: If eBay checkout cart does not work properly, please feel free to purchase more than one item individually. All will be sent in one package and any excess paid for shipping will be refunded to you after shipping.Or, if you wish to purchase more than one item, simply send a message and we will do our best to help you. Protected in a waterproof covering and a well sealed package. Thank you from Canada.

For Sale SERVICE & OPERATING MANUAL for the BOGEN Challenger CHB 50 Amplifier. Amp schematic diagram on an 11 X 17 center page. Five other regular sized pages have information for tubes, modification in power supply circuit, mic and phonograph input connections, output, controls, operation, accessories, installation, if trouble occurs...Power ConsumptionHum and NoiseGain Sensitivity Input & Output Impedance Tone Control Action TUBES: Each tube number is given Dimensions Weight Complete clear reprint in very good condition with five regular size pages and one 11 X 17 schematic page. Airmail Shipping No import duties will be charged for this shipment. Combined shipping for multiple purchases: If eBay checkout cart does not work properly, please feel free to purchase more than one item individually. All will be sent in one package and any excess paid for shipping will be refunded to you after shipping.Or, if you wish to purchase more than one item, simply send a message and we will do our best to help you. Protected in a waterproof covering and a well sealed package. Thank you from Canada.

For Sale SERVICE & OPERATING MANUAL for the BOGEN Challenger Model CHB 100 Amplifier. Schematic diagram is on 11 X 17 center page. Five other regular sized pages with information for tube replacement, balancing output tubes, fuse, microphone and phono input connections, auxiliary power, bass and treble...Power ConsumptionHum and NoiseGain Sensitivity Input Impedance Outputs 4, 8, 16 ohm speaker, 25-volt & 75 volt line Voltage chartQuick disconnect sockets & connectionsRemote controllerRear view diagram of amp with labels. Tone Control Action TUBES: Each tube number is given Dimensions Weight Complete reprint in very good condition. Airmail Shipping No import duties will be charged for this shipment. Combined shipping for multiple purchases: If eBay checkout cart does not work properly, please feel free to purchase more than one item individually. All will be sent in one package and any excess paid for shipping will be refunded to you after shipping.Or, if you wish to purchase more than one item, simply send a message and we will do our best to help you. Protected in a waterproof covering and a well sealed package. Thank you from Canada.

For Sale MANUAL for the BOGEN Challenger CHB20A Amplifier. Amp schematic diagram on an 11 X 17 center page. Six other regular sized pages have information for tubes, modification in power supply circuit, mic and phonograph input connections, output, controls, operation, accessories, installation, if trouble occurs...Power ConsumptionHum and NoiseGain Sensitivity Input & Output Impedance Tone Control Action TUBES: Each tube number is given Dimensions Weight Complete, clear reprint with six regular size pages plus one 11 X 17 schematic page. Airmail ShippingNo customs import duty for this shipment. Protected in a waterproof covering and a well sealed package with a cardboard insert.Thank you from Canada.

For Sale SERVICE & OPERATING MANUAL for the BOGEN Challenger CHB14A Amplifier. Schematic diagram is on 11 X 17 center page. Four other regular sized pages with information for IF TROUBLE OCCURS, tube replacement, fuse, mic and phonograph input connections, output, controls, auxiliary power, operation, bass and treble switches...Power ConsumptionHum and NoiseGain Sensitivity Input Impedance Output Tone Control Action TUBES: Each tube number is given Dimensions Weight Complete, clear reprint in very good condition. Airmail Shipping No import duties will be charged for this shipment. Combined shipping for multiple purchases: If eBay checkout cart does not work properly, please feel free to purchase more than one item individually. All will be sent in one package and any excess paid for shipping will be refunded to you after shipping.Or, if you wish to purchase more than one item, simply send a message and we will do our best to help you. Protected in a waterproof covering and a well sealed package. Thank you from Canada.

For Sale SERVICE & OPERATING MANUAL for a BOGEN Challenger CHA 10 Watt Amplifier. Amp schematic diagram is on an 11 X 17 center page. Four other regular 8.5 x 11sized pages have information for mic and phonograph connections, output, volume and tone controls, operation, specifications, tubes, (each number listed).Power Output Max. Power Power RequirementsFrequency Response Hum and NoiseGain Input & Output Impedance Dimensions Weight Complete reprint in very good condition. Large 11 x 17 center schematic diagram and four 8 1/2 x 11 clear, legible pages. Airmail ShippingNo import duties will be charged for this shipmentProtected in a waterproof covering and a well sealed package with a cardboard insert.Thank you from Canada.

For Sale SERVICE & OPERATING MANUAL for a BOGEN Challenger CHA 10 Watt Amplifier. Amp schematic diagram is on an 11 X 17 center page. Four other regular 8.5 x 11sized pages have information for mic and phonograph connections, output, volume and tone controls, operation, specifications, tubes, (each number listed).Power Output Max. Power Power RequirementsFrequency Response Hum and NoiseGain Input & Output Impedance Dimensions Weight Complete reprint in very good condition. Large 11 x 17 center schematic diagram and four 8 1/2 x 11 clear, legible pages. Airmail ShippingNo import duties will be charged for this shipmentProtected in a waterproof covering and a well sealed package with a cardboard insert.Thank you from Canada.

For Sale SERVICE & OPERATING MANUAL for the Challenger CHA33 /Y Tube Amplifier. Amp schematic diagram on 11 X 17 center page. Three other regular sized pages with information for tubes, tube location diagram, rear panel view labelled diagram , controls, operation, cage removal,..Power RequirementsHum and NoiseGain Sensitivity Input and output Impedance Tone Control Action TUBES: Each tube number is given Dimensions Weight Clear reprint with three regular size printed pages and one larger 11 X 17 schematic center page. Airmail ShippingNo customs import duty for this shipment. Protected in a waterproof covering and a well sealed package with a cardboard insert.Thank you from Canada.

For Sale MANUAL for the BOGEN Challenger CHB20A Amplifier. Amp schematic diagram on an 11 X 17 center page. Six other regular sized pages have information for tubes, modification in power supply circuit, mic and phonograph input connections, output, controls, operation, accessories, installation, if trouble occurs...Power ConsumptionHum and NoiseGain Sensitivity Input & Output Impedance Tone Control Action TUBES: Each tube number is given Dimensions Weight Complete, clear reprint with six regular size pages plus one 11 X 17 schematic page. Airmail ShippingNo customs import duty for this shipment. Protected in a waterproof covering and a well sealed package with a cardboard insert.Thank you from Canada.