290QX
For Reference Only
| Part Number | 290QX |
| PNEDA Part # | 290QX |
| Description | TRANSF TUBE GUITAR AMP POWER |
| Manufacturer | Hammond Manufacturing |
| Unit Price | Request a Quote |
| In Stock | 8,172 |
| Warehouses | Shipped from Hong Kong SAR |
| Estimated Delivery | Apr 6 - Apr 11 (Choose Expedited Shipping) |
| Guarantee | Up to 1 year [PNEDA-Warranty]* |
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Free shipping on orders over $100. PNEDA is willing to provide you with better services.
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290QX Resources
| Brand | Hammond Manufacturing |
| ECAD Module |
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| Mfr. Part Number | 290QX |
| Category | Power › Transformers › Audio Transformers |
| Datasheet |
Payment Method
- Penda is not limited to cash transfers. Checks and bill transfers are also accepted.
- If you need the detailed invoice or tax ID,please email us.
- Some orders may require a minimum amount of $100.00.
- Cheque or cash on delivery, processing may take an additional 3-5 days.
Logistics Mode
- Delivery time: At the same day (Order deadline is 2pm, HK Time).
- Delivery date: usually 2 to 7 working days.
- It is unable to appoint a date of delivery.
- Tracking number will be sent once your order has been shipped.
- It may take up to 24 hours before carriers display the info.
Notes
- Please confirm the specifications of the products when ordering.
- If you have special order instructions,please note it on the ordering pages.
- Registered users can log in to the account to view the order status.
- You can email us to change the order details before shipment.
- Orders cannot be canceled after shipping the packages.
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Our approach is built around proving our clients with three key advantages:
Prompt Responsiveness
Our team responds quickly to your requests, and gets to work immediately to find your parts.
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Our quality-control processes guard against counterfeits while ensuring reliability and performance.
Global Access
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290QX Specifications
| Manufacturer | Hammond Manufacturing |
| Series | 290 |
| Turns Ratio - Primary:Secondary | - |
| Impedance - Primary (Ohms) | - |
| Impedance - Secondary (Ohms) | - |
| DC Resistance (DCR) - Primary | 8.054Ohm, 9.752Ohm |
| DC Resistance (DCR) - Secondary | 166mOhm, 4.776Ohm, 52.25Ohm |
| Transformer Type | - |
| Frequency Range | - |
| Frequency Response | - |
| Voltage - Isolation | 120/240VAC |
| Insertion Loss | - |
| Return Loss | - |
| Power Level | - |
| Operating Temperature | - |
| Approvals | - |
| Mounting Type | Chassis Mount |
| Size / Dimension | 3.375" L x 2.385" W (85.73mm x 60.58mm) |
| Height - Seated (Max) | 2.876" (73.05mm) |
| Termination Style | Solder Lug |
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Manufacturer Hammond Manufacturing Series 125SE Turns Ratio - Primary:Secondary - Impedance - Primary (Ohms) 2.5k ~ 10k Impedance - Secondary (Ohms) 4 ~ 32 DC Resistance (DCR) - Primary 50Ohm DC Resistance (DCR) - Secondary 250mOhm Transformer Type General Purpose Frequency Range 100Hz ~ 15kHz Frequency Response ±1dB Voltage - Isolation 2000V @ 1 Second Insertion Loss - Return Loss - Power Level 25W Operating Temperature - Approvals - Mounting Type Chassis Mount Size / Dimension 4.150" L x 2.880" W (105.41mm x 73.15mm) Height - Seated (Max) 3.460" (87.88mm) Termination Style Solder Lug |
Manufacturer Tamura Series TTC Turns Ratio - Primary:Secondary 1:1 Impedance - Primary (Ohms) 600 Impedance - Secondary (Ohms) 320 DC Resistance (DCR) - Primary 115Ohm DC Resistance (DCR) - Secondary 145Ohm Transformer Type Data/Voice Coupling Frequency Range 200Hz ~ 4kHz Frequency Response ±0.25dB Voltage - Isolation 1875VRMS @ 1 Second Insertion Loss 3.2dB Max @ 1kHz Return Loss 18dB Min @ 200Hz ~ 4kHz Power Level - Operating Temperature - Approvals UL1950, UL60950 Mounting Type Surface Mount Size / Dimension 0.532" L x 0.551" W (13.50mm x 14.00mm) Height - Seated (Max) 0.409" (10.40mm) Termination Style Gull Wing |
Manufacturer Hammond Manufacturing Series 140EX Turns Ratio - Primary:Secondary 1:1, 1:2, 1:4 Impedance - Primary (Ohms) 600, 150/150 Impedance - Secondary (Ohms) 2.4k, 600/600 DC Resistance (DCR) - Primary 58Ohm DC Resistance (DCR) - Secondary 190Ohm Transformer Type - Frequency Range 20Hz ~ 20kHz Frequency Response ±1dB Voltage - Isolation 500Vrms Insertion Loss 0.8dB Typ Return Loss 30dB Typ Power Level 10dB Operating Temperature - Approvals - Mounting Type Chassis Mount Size / Dimension 1.250" Dia (31.75mm) Height - Seated (Max) 1.000" (25.40mm) Termination Style Screw Terminal |
Manufacturer Hammond Manufacturing Series 1750 Turns Ratio - Primary:Secondary 29.19:1 Impedance - Primary (Ohms) 6.95kCT Impedance - Secondary (Ohms) 8 DC Resistance (DCR) - Primary 97.36Ohm, 194.7Ohm DC Resistance (DCR) - Secondary 409mOhm Transformer Type Push-Pull Audiophile, Ultra-Linear - Tube Output Frequency Range 70Hz ~ 15kHz Frequency Response ±1dB Voltage - Isolation - Insertion Loss - Return Loss - Power Level 15W Operating Temperature - Approvals - Mounting Type Chassis Mount Size / Dimension 3.250" L x 1.687" W (82.55mm x 42.85mm) Height - Seated (Max) 2.058" (52.27mm) Termination Style Wire Leads |
