Audio transformers - Import export

Product Features: • Output power models from 5 to 1,500 milliwatt level available. • P.C. board mount - square pin type (0.025" square typical). • Bifilar winding technique used on center tapped units for balanced resistive and capacitive characteristics. • Rugged black epoxy potted construction produces a completely sealed unit withstanding severe environmental conditions including those of MIL-T-27 (Grade 5, Class S). • Peak working voltage rating of: 100V. • Referring to figures 1-9, if connection is not used - no pin will exist. 101D

Product Features: • Designed for drop in replacement of original units. • Physically, parts were designed to look similar to original factory units (where possible). • Material used and design specs. were kept as close as possible to the original part to preserve the stock "tone". • Output transformers marked UPGRADE allow for more versatility by added secondary connections that did not exist on the original units.

Product Features: • Designed for push-pull tube output circuits. • Enclosed in a drawn steel case, the transformer is completely potted in epoxy. • Frequency response 30 Hz. to 30 Khz. at full rated power (+/- 1 db max. ref. • 1 Khz) minimum. • Lead connection is via 10 bottom mounted lugs. • All units include 40% screen taps for Ultra-Linear operation (if desired). • Finished in a black powder paint (to match the 300P Series power transformers). • Typical applications - Push-Pull: triode, Ultra-Linear pentode, pentode and tetrode connected audio output.

Product Features: • Pin type, miniature size, P.C. board mount, net weight of only 0.1 oz. • Rugged potted construction produces a completely sealed unit withstanding severe environmental conditions. • Secondary may be used as primary and primary as secondary. • Power level: Minimum frequency range: 300 Hz. to 100 Khz. +/- 0.5 db @ 100 mw. • Frequency range @ +10 dbm is 200 Hz. to 100 Khz. +/- 0.5 db • Frequency range @ +15 dbm is 200 Hz. to 100 Khz. +/- 0.5 db • Frequency range @ +20 dbm is 300 Hz. to 100 Khz. +/- 0.5 db • Frequency measurements with no D.C. current saturation 101D

Product Features: • Designed with nickel alloy cores for high performance and Wide Bandwidth. • Frequency Response: 20 Hz - 20 kHz ±0.35 dB, (ref. @ 1 kHz). • Low distortion at levels up to +27 dBu @ 20 Hz. • Excellent Shielding - Mu Metal Enclosures. • Line Output Transformers are open style (not Mu Metal).

Product Features: • Deep-drawn steel case with tin plated finish, with two convenient 6-32 mounting studs with mounting hardware. • Sealed case and wax potted core internally for stable characteristics and long life. • Wide frequency response +/- 0.5 db max. from 20 Hz. to 20 Khz. (except units over 5K ohms impedance, amy be down 1 db @ 20 Khz.). • Insertion loss of apx. 1 db. • Maximum power level +15 dbm. with specified characteristics, or higher levels with reduced low frequency performance. • Distortion is apx. 1.5% @ 20 Hz. under full power. • Electrostatic shield between pri. and sec. connected to the green lead. • Humbucking construction. • Balanced split windings on pri. and sec. for circuit versatility. Primary may be used as a secondary and vice vera for impedance matching. • Includes mounting hardware. • Lead length: Min. 4". • Shipping weight 0.4 lb. (0.18 kg).

Product Features: • Deep-drawn steel case with tin plated finish, with two convenient 6-32 mounting studs with hardware. • Includes wire leads (minimum length of 4"). • Frequency response +/- 0.5 db max. from 50 Hz. to 15 Khz. • Insertion loss of apx. 1 db. • Maximum power level +15 dbm. (except 841A, 842A and 844A which are +20 dbm) with specified characteristics, or higher levels with reduced low frequency performance. • Electrostatic shield between prim. and sec. • Humbucking construction. • Balanced split windings on pri. and sec. for circuit versatility. Primary may be used as a secondary and vice versa for impedance matching. • Overall dimensions 1.75" (44.5mm) wide x 1.25" (31.8mm) deep x 2.56" (65mm) high max. • Shipping weight 0.5 lbs (0.2 kg).

Product Features: • Rugged black epoxy potted case with 9 pin connections (.025" square by 0.5" long). • Frequency response minimum @ 0 dbm +/- 1 db max. (+/- 0.5 db is typical) of 30 Hz. to 30 Khz., except 560Q which is 30 Hz. to 15 Khz. • Higher signal levels possible with reduced low frequency performance. • Insert loss of 1 db maximum. • Electrostatic shield between primary and secondary connected to core and brought out to pin "SH". • Humbucking construction. • Balanced split windings on pri. and sec. for circuit versatility. • Primaries and secondaries can be reversed for impedance matching. • Overall dimensions 1.64" (41.7mm) x 1.33" (33.8mm) x 0.85" (21.6mm) high max. • Shipping weight 4 oz. (0.1 kg).

Product Features: • Pin type (0.25" length and 0.025" square), P.C. board mount. • Economical, open type, horizontal bracket construction. • Includes clinching lugs for extra mounting strength. • Frequency response 200 Hz. - 15 Khz. (+/- 1 db, ref. @ 1 Khz.). • Total distortion approximately 2% for drivers and 1% for outputs at 200 Hz., decreasing at higher frequencies. • Insertion loss less than 1/2 db. • Bifilar wound for balanced capacitive and resistance characteristics, on pin bobbins for standard 2" grid pin spacing. • Insulation test 250V rms. • Net weight: 0.6 oz. (148 Series) and 1.0 oz. (149 Series).

Product Features: • Pin type (0.25" length and 0.025" square), P.C. board mount. • Economical, open type, horizontal bracket construction. 149 Series includes clinching lugs for extra mounting strength. • Frequency response 200 Hz. - 15 Khz. (+/- 1 db, ref. @ 1 Khz.). • Total distortion approximately 2% for drivers and 1% for outputs at 200 Hz., decreasing at higher frequencies. • Insertion loss less than 1/2 db. • Bifilar wound for balanced capacitive and resistance characteristics, on pin bobbins for standard 0.2" grid pin spacing. • Insulation test 250V rms. • Net weight: 0.6 oz. (148 Series) and 1.0 oz. (149 Series).

Product Features: • Applications: Driver, Input, Interstage, Isolation. • 100mW power level at 200Hz. - 15kHz. • Pin type (0.0375" x .02"), P.C. board mount. • Economical, open type construction. • Frequency response 200 Hz. - 15 Khz. (+/- 1 db, ref. @ 1 Khz.). • Total distortion less than 0.5% for outputs at 200 Hz., decreasing at higher frequencies. • Insertion loss less than 1/2 db. • Bifilar wound for balanced capacitive and resistance characteristics, on pin bobbins for standard 0.187" grid pin spacing. • Insulation test 1500V rms, • Net weight: 0.5 oz.

Product Features: • Pin type (0.25" length and 0.035" diameter), P.C. board mount. • Low profile, open type construction. • Frequency response 200 Hz. - 50 Khz. (+/- 1 db, ref. @ 1 Khz.). • Net weight 0.6 oz.

Product Features: • Studio grade frequency response: 20 Hz. - 20 Khz. (+/- 1 db, ref. @ 1 Khz.) minimum. • Excellent frequency response utilizing a 80% nickel core providing high permeability combined with low losses. • Designed for maximum bandwidth, lowest distortion at +10 dbm power level. • Plated steel cans. • Adjustable height case bracket. • Net weight 3 oz.

Product Features: • Designed for driver use ONLY in single ended tube output amplifiers. These units replace coupling capacitor circuits for improved sound. • Closed style with minimum 8" long leads. • All models use bifilar wound windings for exceptional coupling and bandwidth. • Minimum frequency response 20 Hz. - 20 Khz (+/- 1 db max. ref. 1 Khz.). • The core is gapped to support the specified D.C. bias current. • Maximum working voltage - 400 VDC. • Units are Hi-Pot tested at 1,000 VDC. • Core uses Hi grade silicone laminations (29M6). • Units weight - 3 lbs. 2 oz.

Product Features: • Designed for general purpose or replacement use (not Hi-Fi), in single ended, tube output circuits. • Frequency response: 100 Hz. - 15 Khz at full rated power (+/- 1 db max. - ref. 1 Khz). • Open style with minimum 12" long primary and secondary leads. • All sizes use butt stacked cores (using 29M6 steel) with an air gap, reduce • D.C. core saturation. • Primary impedance range from 2,500 to 10,000 Ohms. • Secondary impedance range from 4 to 32 Ohms.

Product Features: • Designed for general purpose or replacement use in push-pull tube output circuits. • Frequency response: 150 Hz. - 15 Khz. (+/- 1 db max. ref. 1 Khz.). • Open style with minimum 10" long primary and secondary leads.

Product Features: • Designed for general purpose or replacement use in push-pull tube output circuits. • Frequency response: 150 Hz. - 15 Khz. (+/- 1db max. ref. 1 Khz.). • Open style with minimum 5" long primary leads, secondary solder lugs for convenient secondary connections.

Product Features: • Large core area for excellent low frequency response. • Manufactured with high quality 29M6 laminations (for low distortion). • Concentric wound for excellent coupling. • Isolation type transformer (i.e. separate primary and secondary). • Primary: 600 Ohms (using 6" wire leads). • Secondary: 8 Ohms with a 4 Ohm center tap (using solder logs). • Power: Rated at 12 watts. • Frequency response: 30 Hz. - 20 Khz. (+/- 1 db @ Full Power - 1 Khz. Reference). • Weight: 1 Pound, 4 Oz. • Mounting: 2 Hole bracket mount - on 2 and 13/16" mounting hole centers.

Product Features: • Suitable for driving from solid state amplifiers where isolated windings are not required or can be used with the "Classic" 1600 tube output transformers to provide a 25V or 70V line output. • 8 or 16 Ohm input, 25V or 70V line output. • Frequency response 50 Hz. to 10 Khz. at full ratings. • Leads 6" long minimum. • Can be reversed for operation at high power speaker locations.

Product Features: • Couple 3.2, 8 or 16 Ohm speakers to 25 or 70 volt line outputs of amplifiers. • Up to 5 power tap levels available (except 117F2 which has 4). • Primary taps marked in watt (no calculation necessary), to match speaker power. • Frequency response 100 Hz. to 9 Khz. (1 db. reference @ 1 Khz.). • Insertion loss less than 2 db. • Distortion is less than 1.25" @ 100 Hz. at maximum power. • Horizontal, channel bracket, 2-hole (.187" dia.) mounting. • All models have 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.

Product Features: • Perfect for audio input, line matching, isolation or output transformer applications. • 2 Watt (+/- 1.5 db, 300Hz. - 50 kHz.). • Epoxy potted in an attractive black moulded case, Pin type P.C. board mount (min. 0.187" length). • In some models where no center tap is required (on secondary), pin No. 5 is omitted. • Power level ratings are maximum at lowest frequency rating. • Power can be increased slightly at higher frequencies. • Will withstand soldering for 10 sec. @ 260°C, ambient temp. 85°C max.

Product Features: • Perfect for audio input, line matching, isolation or output transformer applications. • 500 milliwatt (+/- 1.5 db, 300 Hz. - 50 kHz.). • Epoxy potted in an attractive black moulded case, Pin type P.C. board mount (min. 0.187" length). • In some models where no center tap is required (on secondary), pin No. 5 is omitted. • Power level ratings are maximum at lowest frequency ratings. • Power can be increased slightly at higher frequencies. • Will withstand soldering for 10 sec. @ 260°C, ambient temp. 85°C max.

Product Features: • Perfect for audio input, line matching, isolation or output transformer applications. • 150 milliwatt (+/- 1.5 db, 300 Hz. - 50 kHz.). • Epoxy potted in an attractive black moulded case, Pin type P.C. board mount (min. 0.187" length). • In some models where no center tap is required (on secondary), Pin No. 5 is omitted. • Power level ratings are maximum at lowest frequency ratings. • Power can be increased slightly at higher frequencies (except 107X). • Will withstand soldering for 10 sec. @ 260°C, ambient temp. 85°C max.

Product Features: • Output power models from 5 to 1,500 milliwatt level available. • P.C. board mount - square pin type (0.025" square typical). • Bifilar winding technique used on center tapped units for balanced resistive and capacitive characteristics. • Rugged black epoxy potted construction produces a completely sealed unit withstanding severe environmental conditions including those of MIL-T-27 (Grade, 5 Class S). • Peak working voltage rating of: 200V. • Referring to figures 1-9, if connection is not used - no pin will exist.

Product Features: • Output power models from 5 to 1,500 milliwatt level available. • P.C. board mount - square pin type (0.025" square typical). • Bifilar winding technique used on center tapped units for balanced resistive and capacitive characteristics. • Rugged black epoxy potted construction produces a completely sealed unit withstanding severe environmental conditions including those of MIL-T-27 (Grade 5, Class S). • Peak working voltage rating of: 200V. • Referring to figures 1-9, if connection is not used - no pin will exist.

Product Features: • "Over designed" for high fidelity, single ended, Class-A, tube output circuits (triode, tetrode or pentode tubes). • Enclosed (shielded), four slot, chassis Type "X" mounting. • Frequency response at least 20 Hz. to 20 Khz. at full rated power (+/- 1 db max., ref. 1 Khz). • Insulated flexible leads 8" min. • For maximum versatility, all units (except the 1642SE and 1638SEA do NOT include this screen tap as they were designed principally for high impedance triode tubes. • High quality laminations, (M6) grain oriented silicon steel. • Core is gapped to reduce core saturation in Class-A tube amplifier circuits.

Product Features: • Designed for push-pull tube output circuits. • Units are designed to provide ample "headroom" at bass frequencies (note the weight of each transformer). • All models have a secondary tapped fro 4, 8 or 16 ohm outputs. • Enclosed (Shielded), 4 slot, above chassis Type "X" mounting. • Manufactured with plastic coil forms for coil support and insulation. • Frequency response 30 Hz. to 30 Khz. at full rated power (+/- 1 db max. - ref. 1 Khz.) minimum. • Insulated flexible leads 8" min. • All units (except the 1650G) include 40% screen taps for Ultra-Linear operation (if desired). • Typical applications - Push-Pull: triode, Ultra-Linear pentode, pentode and tetrode connected audio output. The 1650G does NOT have primary screen taps and will not support "Ultra Linear" applications.

Product Features: • Designed for push-pull tube output circuits. • Enclosed (shielded), 4 slot, above chassis Type "X" mounting. • Frequency response 30 Hz. to 30 Khz. at full rated power (+/- 1 db max. - ref. 1 Khz.) minimum. • Insulated flexible leads 8" min. • Manufactured with plastic coil forms for coil support and insulation. • Typical applications - Push-Pull: triode, Ultra-Linear pentode, pentode and tetrode connected audio output. • Due to the unique interleaving of the windings BOTH secondary windings must be engaged to meet specifications.

Product Features: • Small, economical, open, two hole horizontal bracket mount. • Insulated, colour coded flexible leads, 4" long minimum (143, 144 and 145 Series) or 3" long minimum (146 Series). • Frequency response 150 Hz. to 15 Khz. (+/- 1 db, reference 1000 Hz.). • When operating at impedances below nominal, power capability and the frequency spectrum are proportionately lower, conversely, at higher impedances power capability and frequency spectrum will be proportionately higher. • Net weight: 0.5 oz. (143, 144, 146 Series) and 1.4 oz. (145 Series).