Ballast / Transformer

Hammond 117F4 - Audio Transformers - Speaker Level - Audio Sound Distribution Line Matching - 70V - 4 Watt - 8 Ohms Voice Coil Impedance - Horizontal, channel bracket, 2-hole (.187" dia.) mounting - Solder lugs, also suitable for slip on jumper connections - Total power requirements of speakers should not exceed the rated power of each transformer or rated power of the amplifier

Hammond 807A - Nominal Impedance : 7.5/30 Ohms Primary / 600/2400 Ohms Secondary - Max. Primary D.C. Unbalanced Current : 1.6 ma.

Notes: Electrostatic shield between primary secondary Single plate requires parallel feed. When operating at impedances below nominal, power capability is lower and the frequency spectrum is shifted downward, conversely, at higher impedances power capability and frequency spectrum will be shifted upward.

Hammond 808A - Nominal Impedance : 50/200 Ohms Primary / 10000/40000 Ohms Secondary - Max. Primary D.C. Unbalanced Current : 0.6 ma.

Notes: Electrostatic shield between primary secondary Single plate requires parallel feed. When operating at impedances below nominal, power capability is lower and the frequency spectrum is shifted downward, conversely, at higher impedances power capability and frequency spectrum will be shifted upward.

Hammond 117E8 - Audio Transformers - Speaker Level - Audio Sound Distribution Line Matching - 70V - 8 Watt - 3.2 Ohms Voice Coil Impedance - Horizontal, channel bracket, 2-hole (.187" dia.) mounting - Solder lugs, also suitable for slip on jumper connections - Total power requirements of speakers should not exceed the rated power of each transformer or rated power of the amplifier

Hammond 809A - Nominal Impedance : 50/200 Ohms Primary / 600/2400 Ohms Secondary - Max. Primary D.C. Unbalanced Current : 0.6 ma.

Notes: Electrostatic shield between primary secondary Single plate requires parallel feed. When operating at impedances below nominal, power capability is lower and the frequency spectrum is shifted downward, conversely, at higher impedances power capability and frequency spectrum will be shifted upward.

Hammond 117F8 - Audio Transformers - Speaker Level - Audio Sound Distribution Line Matching - 70V - 8 Watt - 8 Ohms Voice Coil Impedance - Horizontal, channel bracket, 2-hole (.187" dia.) mounting - Solder lugs, also suitable for slip on jumper connections - Total power requirements of speakers should not exceed the rated power of each transformer or rated power of the amplifier

Hammond 812A - Nominal Impedance : 125/500 (150/600) Ohms Primary / 10K/40K (12K/48K) Ohms Secondary - Max. Primary D.C. Unbalanced Current : 0.4 ma.

Notes: Electrostatic shield between primary secondary Single plate requires parallel feed. When operating at impedances below nominal, power capability is lower and the frequency spectrum is shifted downward, conversely, at higher impedances power capability and frequency spectrum will be shifted upward.

Hammond 117E16 - Audio Transformers - Speaker Level - Audio Sound Distribution Line Matching - 70V - 16 Watt - 3.2 Ohms Voice Coil Impedance - Horizontal, channel bracket, 2-hole (.187" dia.) mounting - Solder lugs, also suitable for slip on jumper connections - Total power requirements of speakers should not exceed the rated power of each transformer or rated power of the amplifier

Hammond 813A - Nominal Impedance : 125/500 (150/600) Ohms Primary / 600/2400 (720/2880) Ohms Secondary - Max. Primary D.C. Unbalanced Current : 0.4 ma.

Notes: Electrostatic shield between primary secondary Single plate requires parallel feed. When operating at impedances below nominal, power capability is lower and the frequency spectrum is shifted downward, conversely, at higher impedances power capability and frequency spectrum will be shifted upward.

Hammond 117F16 - Audio Transformers - Speaker Level - Audio Sound Distribution Line Matching - 70V - 16 Watt - 8 Ohms Voice Coil Impedance - Horizontal, channel bracket, 2-hole (.187" dia.) mounting - Solder lugs, also suitable for slip on jumper connections - Total power requirements of speakers should not exceed the rated power of each transformer or rated power of the amplifier

Hammond 832A - Audio Transformer - Signal Level - Broadcast Quality - Interstage (Ratio 1:2) Application - Nominal Impedance : 5K/20K Ohms Primary / 20K/80K Ohms Secondary

Hammond 117G16 - Audio Transformers - Speaker Level - Audio Sound Distribution Line Matching - 70V - 16 Watt - 16 Ohms Voice Coil Impedance - Horizontal, channel bracket, 2-hole (.187" dia.) mounting - Solder lugs, also suitable for slip on jumper connections - Total power requirements of speakers should not exceed the rated power of each transformer or rated power of the amplifier

Hammond 834A - Audio Transformer - Signal Level - Broadcast Quality - Interstage (Ratio 1:4) Application - Nominal Impedance : 5K/20K Ohms Primary / 10K/40K Ohms Secondary

Hammond 835A - Audio Transformer - Signal Level - Broadcast Quality - Interstage (Ratio 1:1) Application - Nominal Impedance : 10K/40K Ohms Primary / 10K/40K Ohms Secondary

Hammond 117F32 - Audio Transformers - Speaker Level - Audio Sound Distribution Line Matching - 70V - 32 Watt - 8 Ohms Voice Coil Impedance - Horizontal, channel bracket, 2-hole (.187" dia.) mounting - Solder lugs, also suitable for slip on jumper connections - Total power requirements of speakers should not exceed the rated power of each transformer or rated power of the amplifier

Hammond 841A - Audio Transformer - Signal Level - Broadcast Quality - P.P. Plates To Line Application - Nominal Impedance : 5K/20K Ohms Primary / 50/200 Ohms Secondary

Notes:Electrostatic shield between primary secondary Single plate requires parallel feed. When operating at impedances below nominal, power capability is lower and the frequency spectrum is shifted downward, conversely, at higher impedances power capability and frequency spectrum will be shifted upward.

Hammond 117J4 - Audio Transformers - Speaker Level - Audio Sound Distribution Line Matching - 25V - 4 Watt - 3.2 Ohms Voice Coil Impedance - Horizontal, channel bracket, 2-hole (.187" dia.) mounting - Solder lugs, also suitable for slip on jumper connections - Total power requirements of speakers should not exceed the rated power of each transformer or rated power of the amplifier

Hammond 842A - Audio Transformer - Signal Level - Broadcast Quality - P.P. Plates To Line Application - Nominal Impedance : 5K/20K (6K/24K) Ohms Primary / 125/500 (150/600) Ohms Secondary

Notes:Electrostatic shield between primary secondary Single plate requires parallel feed. When operating at impedances below nominal, power capability is lower and the frequency spectrum is shifted downward, conversely, at higher impedances power capability and frequency spectrum will be shifted upward.

Hammond 117K4 - Audio Transformers - Speaker Level - Audio Sound Distribution Line Matching - 25V - 4 Watt - 8 Ohms Voice Coil Impedance - Horizontal, channel bracket, 2-hole (.187" dia.) mounting - Solder lugs, also suitable for slip on jumper connections - Total power requirements of speakers should not exceed the rated power of each transformer or rated power of the amplifier